Вакансии

Location: Remote - EMEA Workplace: Remote ABOUT US Launched in 2019, Constructor is an AI-first e-commerce search and discovery platform that helps shoppers find the right products at the right time and enables leading global e-commerce brands to drive meaningful revenue and conversion gains. ABOUT THE ROLE The ML Infrastructure team builds and operates the shared backend services and platform capabilities that Constructor's ML and product teams rely on to develop, deploy, and run machine learning at scale - from model serving (including LLMs) to the specialized storages and data pipelines behind it. We are a service team by nature: our roadmap is shaped by the needs of product teams, and we succeed when they can move faster with less friction. We're looking for a Senior Backend Engineer who is comfortable with, and motivated by this dynamic, and who will take end-to-end ownership of core services. In the near and mid-term, our focus areas include: - Making ML workloads easy to run, scale, and operate for every team - Providing self-service, configurable infrastructure components to ML and product teams - Owning and evolving core ML services and related pipelines with a high bar for reliability and performance CHALLENGES YOU WILL TACKLE - Design, build, and operate high-load distributed backend services that power the company's ML infrastructure - Take end-to-end ownership of core ML services and related data pipelines: from design and implementation to deployment, observability, and continuous improvement - Partner with ML and product teams to understand their needs and turn them into reliable, reusable platform capabilities - Make and defend technical decisions: evaluate trade-offs, design first, and own the outcome - Be responsible for what you and your team do REQUIREMENTS - 5+ years of professional experience in backend or platform engineering - Extensive Python knowledge (our primary language) - Hands-on experience developing on a public cloud (AWS, GCP, or Azure) or with self-managed Kubernetes - AWS is our primary platform, but we're not limited to it - Experience designing and building distributed, high-load services and APIs - Strong knowledge of data structures, algorithms, and their trade-offs - Design-driven engineering mindset: we're a coding-assistant-friendly environment and expect you to use modern AI tools - but you lead with system design and a strong understanding of their applicability and trade-offs - Ownership and proactivity: you can't close your eyes to problems, but are ready to solve them and take responsibility for outcomes - You are friendly and willing to help your teammates & others NICE TO HAVE: - Experience with Rust (or C/C++/Go) - a strong plus - Experience developing or contributing to ML platforms or ML infrastructure - a strong plus - Experience setting up and operating any vector database (Qdrant, Milvus, Weaviate, OpenSearch, pgvector, etc.) - a strong plus - Experience with model serving / inference infrastructure, including LLMs - Experience with Infrastructure as Code (Terraform or similar) BENEFITS - 🏝️ Unlimited vacation time - we strongly encourage all of our employees take at least 3 weeks per year - 🌎 Fully remote team - choose where you live - 🛋️ Work from home stipend! We want you to have the resources you need to set up your home office - 💻 Apple laptops provided for new employees - 🧑‍🎓 Training and development budget for every employee, refreshed each year - 👪 Maternity & Paternity leave for qualified employees - 🧠 Work with smart people who will help you grow and make a meaningful impact - 💵 Base salary: $80k–$120k USD, depending on knowledge, skills, experience, and interview results - 📈 Stock options - offered in addition to the base salary - 🎉 Regular team offsites to connect and collaborate DIVERSITY, EQUITY, AND INCLUSION AT CONSTRUCTOR At Constructor.io http://Constructor.io we are committed to cultivating a work environment that is diverse, equitable, and inclusive. As an equal opportunity employer, we welcome individuals of all backgrounds and provide equal opportunities to all applicants regardless of their education, diversity of opinion, race, color, religion, gender, gender expression, sexual orientation, national origin, genetics, disability, age, veteran status or affiliation in any other protected group. Studies have shown that women and people of color may be less likely to apply for jobs unless they meet every one of the qualifications listed. Our primary interest is in finding the best candidate for the job. We encourage you to apply even if you don’t meet all of our listed qualifications. How we handle your data. By submitting this application, you acknowledge that Constructor will collect and process the personal data you provide for the purpose of evaluating your candidacy for this role. If you are not selected, we will retain your data for a limited period as described in our Recruitment Privacy Notice https://constructor.com/recruitment-privacy-notice. After that period your data will be deleted or anonymized.

Задачи: — Функционально и интеграционно тестировать микросервисы — Покрывать автотестами новый функционал и беклог автоматизации — Поддерживать, дорабатывать существующие фреймворки тестирования микросервисов и разрабатывать их с нуля — Активно участвовать в жизни команды: планировать, разбирать и оценивать беклог, вносить свой вклад в ретроспективы и демо Требования: — Умение тестировать (теория тестирования, составление тест-кейсов, структурный подход к планированию тестирования) — Знание Linux (уверенная работа с CLI, логами, процессами, сетевыми утилитами) — Знание SQL (понимание индексов, транзакций, агрегаций, фильтрации, работы с тестовыми данными) — Уверенное знание Python (понимание принципов построения автотестового фреймворка, опыт разработки и отладки скриптов, понимание основ ООП) — Понимание как работает HTTP и что такое REST API, gRPC (Protobuf, HTTP-коды, headers, auth, idempotency, retries, timeouts) — Уверенная работа с Docker и docker-compose (сборка образов, запуск контейнеров, написание compose-файлов) — Опыт работы с Kubernetes и kubectl (понимание подов, сервисов, деплойментов, чтение логов) — Опыт написания автотестов в стеке python + pytest + allure + xdist — Знание git (checkout, branch, commit, push, pull, rebase, merge) — Опыт работы с Jenkins / GitLab CI Условия: — Официальное трудоустройство. Мы - аккредитованная IT компания! — Уютный и современный офис в шаговой доступности от станций метро Дмитровская, Савеловская, рядом с Флаконом и Хлебозаводом — Гибридный формат работы и помощь с релокейтом в Москву из регионов России при необходимости — Предоставление современной рабочей техники, дополнительный монитор и многое другое для комфортной работы — Заботу о здоровье: возможность получать консультации психолога, юриста, финансового консультанта и специалиста по ЗОЖ, а после испытательного срока - ДМС (со стоматологией) и страховку для выезда за рубеж — Поддержку в обмене знаниями и идеями: поощряем выступления на митапах и помогаем с подготовкой докладов — Бесплатную подписку на сервис корпоративных скидок и предложений BestBenefits, а также доступ к онлайн-библиотеке издательства «МИФ»

Location: Ho Chi Minh City, Vietnam Top 3 Reasons To Join Us Competitive Salary International Environment Working on the latest tech for the Insurtech Market Leader About Us At CoverGo, our mission is to empower all insurance companies to make insurance 100% digital and accessible to everyone. We are a leading global no-code insurance platform for health, life, and P&C We’re the winner of the Insurtech of the Year in all of Asia and other awards globally We work with insurance enterprise clients such as AXA, Bupa, MSIG, Dai-ichi, Bank of China Group Insurance, and many more We're an international, diverse team of over 120 people with 30 nationalities and team members working remotely from all over the world We are fully funded and backed by reputable VC funds and strategic institutional investors We have a global presence in Asia, EMEA and the Americas We’ve grown our annualized revenue by over 30x since January 2021 We’re constantly working towards making CoverGo a workplace that you love coming to. We deeply believe that bringing together a diversity of thoughts, expressions, and perspectives is key to building the best culture for equally diverse communities all over the world Requirements What You Will Do Design, implement and maintain new features and functionalities for the SAAS platform, understanding the requirements of insurance businesses and translating them into scalable and efficient software solutions Work on both the front-end and back-end of the application, demonstrating expertise in various technologies, frameworks, and programming languages Work collaboratively with product, design, engineering teams, and UX designers to understand end-user requirements, use cases, and technical concepts, translating them into a cohesive and effective solution while ensuring a seamless user experience. Optimize the performance of the application to handle large amounts of data and high user traffic, delivering a smooth user experience Participate in code reviews and enforce best coding practices, while also writing and executing unit tests and integration tests to maintain code quality Investigate and promptly fix bugs to maintain the reliability of the platform Ensure security and compliance by following best practices for securing web applications and adhering to relevant regulations in handling sensitive customer data Stay up-to-date with the latest technologies, frameworks, and best practices to ensure we remain competitive and innovative Design the platform with scalability and flexibility in mind, accommodating new features and changes as the number of clients and users grows Provide mentorship to junior developers, aiding in their technical growth and effective contribution to the team's goals What We Need Proven experience 4 years as a Full Stack Engineer, working on complex SAAS applications Strong technical background with proficiency in back-end technologies, such as .NET Core, C#, GraphQL, MongoDB, Docker Proficiency in front-end technologies such as Javascript, Vue.js and/or React.js Familiarity with cloud platforms like AWS, Azure, or Google Cloud for building scalable applications Experience with microservices and/or clean architecture Thorough understanding and practical experience with Test-Driven Development (TDD) to ensure robust and well-tested code Experience with unit, integration and function testing using front-end and back-end testing libraries Proficiency in Domain-Driven Design (DDD) principles to create a maintainable and modular architecture that aligns with business domains In-depth knowledge of web security best practices and experience in ensuring compliance with industry regulations Demonstrated experience in performance optimization for high-traffic web applications Experience with container technologies like docker and good understanding of cloud infrastructure and solutions. Experience with agile development methodologies and collaborating with cross-functional teams Excellent problem-solving skills and a proactive approach to troubleshooting and bug fixing Strong communication skills to effectively interact with both technical and non-technical team members with diverse backgrounds A passion for staying updated with the latest trends, technologies, and best practices in software development Why You'll Love Working Here Competitive renumeration package International Environment 13th month salary 15 days annual leave, 10 sick leave Annual Performance Bonus Company activities and events Learning and development plan CoverGo Company Video By submitting your application, you confirm that you have read, understood, and accepted the content of CoverGo’s Privacy Notice and you consent to the processing of your data as part of this application.

Ищу сильного инженера, который умеет строить AI-продукты. Компания: одна из крупнейших продуктовых компаний Казахстана. Проект: масштабный B2B-продукт. Команда: сильная команда. Возможности: возможность напрямую влиять на развитие AI-направления.

Сейчас ищут Junior Frontend-разработчика с навыками React и TypeScript, а также Junior Backend-разработчика с навыками Node.js и TypeScript. В приоритете — недавние выпускники ВУЗов IT- и инженерных специальностей, которые действительно заинтересованы в разработке, готовы много учиться и хотят быстро расти. Локация: за пределами РФ.

Location: Singapore About the Company Our client is a stealth AI startup backed by one of Southeast Asia's leading technology companies and is currently building its global founding team. The company is developing an AI-native communication platform designed to simplify everyday tasks by integrating AI directly into conversations. Instead of switching between multiple applications, users can plan, organize, compare, research, and complete tasks within a single intelligent assistant. Serving a market of billions of users still relying on traditional productivity tools, the platform focuses on delivering reliable AI workflows, persistent context, multi-step reasoning, and seamless task execution. The mission is to create an AI assistant that significantly improves productivity while making everyday work simpler and more intuitive. About the Role Our client is seeking a AI Backend Engineer to build and operate the backend infrastructure that powers AI-driven experiences across its products. The role focuses on owning the inference and orchestration layer that sits between AI models and end users, ensuring every interaction is fast, reliable, scalable, and cost-efficient. Working closely with engineering and AI teams, this position will play a key role in designing production-grade backend services, optimizing system performance, and delivering robust AI-powered features across mobile and desktop platforms. Key Responsibilities Build, maintain, and operate backend systems that power AI-enabled features in production. Design and implement AI inference pipelines, orchestration layers, and service architectures around AI models. Develop scalable, high-performance APIs that integrate seamlessly with frontend applications and machine learning systems. Optimize system performance by improving inference latency, throughput, caching, batching, and streaming capabilities. Own production operations, including monitoring, logging, alerting, and incident response. Troubleshoot and resolve issues within distributed systems to ensure service reliability and stability. Continuously improve backend architecture and production systems based on operational insights and real-world usage. Collaborate with cross-functional teams to deliver reliable, scalable, and high-quality AI-powered solutions. Requirements Strong backend engineering experience in production environments. Proven experience building and operating high-throughput, low-latency backend services. Experience designing scalable APIs and distributed systems. Familiarity with AI inference patterns, including Large Language Models (LLMs), embeddings, and multimodal AI systems. Strong debugging and troubleshooting skills within distributed production environments. Demonstrated ability to deliver production-ready solutions while iterating based on real-world system performance. Excellent analytical, problem-solving, and collaboration skills. Technical Skills Experience with the following technologies is preferred: Python Node.js PyTorch OpenAI, Anthropic, or open-source Large Language Models (LLMs) SQL and NoSQL databases Kubernetes Docker

Location: Stockholm Our Campaigns and Rewards team in Stockholm is growing and we are now looking for a Backend Engineering Team Lead to join! Campaigns and Rewards at Betsson Group ensures our customers come back for more. It’s all about loyalty. We provide a world class customer experience beyond the game play, featuring Tournaments, Dynamic personalized campaigns and much more! The Wow As a Team Lead at Betsson Group , you will lead a team of talented people and take overall responsibility for team performance. As the Team Lead, you will take an active role in driving the delivery of your team and promoting a healthy team spirit and culture. You will also participate as a developer in designing and developing next generation Engagement products for the iGaming industry. A taster of what you will be involved with: People management, mentoring and coaching developers, taking part in recruiting and onboarding, performance reviews, personal development planning and 1-to-1’s. Close collaboration with Product Managers, Architects, and Stakeholders to understand and implement business requirements. Software development according to modern best practices and principles. Taking part in the decision-making process for design or improvement of application architecture, solution development, architecture, and code review. What we are looking for Experience in software development for more than 5 years Experience of managing teams of software engineers Strong leadership and communication skills Agile mindset, business goals orientation Excellent knowledge and experience in C#, .NET Framework, and .NET Core WHAT DOES OUR TECH STACK LOOK LIKE? At Betsson, we pride ourselves on adaptability and keeping up with the latest technologies. Our current tech stack looks like this: C#, .NET Framework, .NET Core, AWS, Kubernetes, Docker PostgreSQL, MSSQL, Redis, Couchbase Apache Kafka, RabbitMQ Prometheus, Loki, Grafana GitHub Challenge accepted? By submitting your application, you understand that your personal data will be processed as set out in our Privacy Policy Please submit your CV in English.

LLM, AI Agents, RAG, Backend, Архитектура, Team Leadership.

Задачи: — Разработка и поддержка backend на Python с использованием Django и Django Rest Framework. — Создание REST API, работа с Django ORM, миграциями и админ интерфейсом. — Настройка и поддержка AWS сервисов: S3, RDS, SNS, SQS, CloudFront, CloudFormation. — Реализация OAuth потоков аутентификации. — Использование AI инструментов и LLM. — Работа с Celery (версии 4.x/5.x) и брокерами сообщений Redis или RabbitMQ. — Использование Docker (Dockerfile, docker-compose) и базовые знания CI/CD (GitHub Actions или аналогичные). — Работа с SQL и реляционными базами данных, предпочтительно PostgreSQL. — Использование Git, проведение Pull/Merge Requests, Code Reviews, Git Flow. Требования: — Опыт работы с Python не менее 5 лет. — Опыт работы с Django, Django REST Framework. — Знание PostgreSQL. — Опыт работы с Django ORM моделями. — Знание архитектурных паттернов RESTful API. — Опыт работы с брокерами сообщений Redis или RabbitMQ. — Опыт работы с кэшированием Redis. — Опыт работы с инструментами мониторинга Sentry (желательно Pytest, Flake8, Bandit, wemake-python-styleguide). — Опыт работы с AI инструментами (OpenAI, Claude, RAG / Knowledge Base Tools, Zapier, Make.com). — Профессиональное владение английским языком. Желательно: — Опыт DevOps: настройка и поддержка AWS сервисов. — Опыт настройки и поддержки CI/CD пайплайнов (GitHub Actions или аналогичные). — Знание платежных шлюзов Mollie, Stripe, PayPal и подобных. — Опыт настройки и оптимизации Sentry, логирования и мониторинга. — Опыт тестирования и работы с инструментами качества кода: Pytest, Flake8, Bandit, wemake-python-styleguide. — Опыт работы с интернационализацией и внешними интеграциями (CRM, API). — Базовые знания Vue.js или опыт взаимодействия с фронтендом на Vue. — Использование feature flags с django-waffle и продвинутых админ плагинов (CKEditor, image-cropping, sortable2). — Знание Poetry, Fabric, Django Channels. — Опыт обработки PDF и изображений (PyMuPDF, Pillow, heif-image-plugin). Условия: — Полностью удалённая работа с гибким графиком. — Конкурентная оплата, полная занятость или фриланс, в зависимости от опыта. — Возможности профессионального роста и долгосрочного сотрудничества.

Location: Cyprus; Georgia; Poland; Spain; Serbia; Portugal We are looking for a Lead FullStack Engineer with strong backend expertise to help us build reliable, scalable, and high-quality products. You will lead a small engineering team consisting of 3 engineers and 2 QA specialists. This is a hands-on role requiring deep involvement in architecture, complex technical challenges, and production development. We expect you to actively leverage AI tools to improve engineering quality and development velocity. Responsibilities Design and develop scalable backend services and APIs. Drive architecture decisions and ensure high engineering standards. Write production-ready code and actively use AI tools to accelerate development. Solve complex technical challenges and improve system reliability. Lead code reviews and maintain code quality across the team. Mentor engineers and help increase team productivity. Collaborate closely with Product, Design, and QA teams. Continuously improve development processes and engineering practices. Requirements 7+ years of software engineering experience. Strong commercial experience with Node.js and TypeScript. Experience designing scalable architectures and distributed systems. Solid understanding of PostgreSQL, Redis, REST APIs, and asynchronous patterns. Experience with Docker and CI/CD pipelines. Experience leading engineers and driving technical decisions. Strong hands-on approach and willingness to stay close to the code. Experience using AI tools such as Cursor, GitHub Copilot, Claude Code, or similar in daily development. English B2/C1. Nice to Have Experience with React or Angular. Experience with RabbitMQ, Kubernetes, and GitOps. Experience with Web3 or blockchain products. Experience integrating LLM APIs and AI capabilities into products Benefits Professional growth: support for courses, conferences, and English learning (up to 100% coverage). Work-life fit: remote or hybrid format with flexible hours across international teams. Paid leave: up to 20 vacation days +  8 company holidays + 5 personal days per year Recognition programs: structured performance reviews and team awards. Team culture: retreats in international locations (for example, company apartments in Cyprus).

Задачи: — Писать кастомные парсеры под соц сети, медиахостинги и маркетплейсы — Реализовывать сервисы на Python — Разрабатывать и поддерживать сервисы для сбора данных Требования: — Опыт разработки и поддержки высоконагруженных парсеров/scrapers от 3х лет — Python от 3х лет — Понимание типов различных прокси-серверов (ротация прокси, мониторинг качества), принципов работы CAPTCHA — Работа с rate limiting — Playwright — AsyncIO, aiohttp/httpx — Опыт reverse engineering внутренних API веб- и мобильных приложений — Опыт работы с базами данных (PostgreSQL / ClickHouse / Redis) — Отличное понимание HTTP/TCP, работы CDN, REST API, GraphQL, антибот-систем и методов их обхода Будет плюсом: — Опыт разработки парсеров для площадок: Instagram, YouTube, Tik Tok, Trip Advisor, Spotify, X, Flickr, LinkedIn, Reddit и аналогичные — Опыт работы с Grafana/Prometheus — Kubernetes — Kafka/RabbitMQ Условия: — Проектная занятость с гибким форматом работы — Прямая коммуникация с техническим руководством без бюрократии — Возможность вырасти в полноценную техническую роль внутри компании

Задачи: • Анализ требований и подготовка тестовой документации (test cases, checklists); • Поддержка и актуализация продуктовой документации; • Ручное тестирование backend-компонентов и микросервисов; • Тестирование REST API и других типов API с использованием Postman, Swagger; • Проверка работы client-server архитектуры: от обработки запросов до сохранения данных; • Анализ логов и диагностика проблем через Kibana, Grafana; • Работа с базами данных, написание SQL-запросов для проверки данных и воспроизведения дефектов; • Чёткое и понятное описание багов для быстрого воспроизведения и исправления; • Взаимодействие с разработчиками, аналитиками и другими stakeholders; • Участие в релизном процессе и обеспечении release readiness. Требования: • Коммерческий опыт в QA от 4 лет; • Опыт работы с backend и frontend testing; • Уверенный опыт тестирования API; • Практический опыт работы с Postman и Swagger; • Опыт работы с логами и monitoring tools (Kibana, Grafana); • Практический опыт написания SQL-запросов; • Владение разговорным русским или украинским — обязательно. Будет плюсом: • Опыт работы с платёжными системами или fintech-продуктами; • Опыт запуска или поддержки automated tests (Java). Условия: • Конкурентная оплата в евро (2000–3500€ net) без задержек; • Реальное влияние на качество и развитие платформы, рост вместе с компанией; • Работа над сложным продуктом в regulated payments environment.

Обязанности: • Доработка и дальнейшее поддержание работы существующего центра мониторинга (отслеживание нахождения спецтехники). • Внедрение новых идей по развитию центра мониторинга (ИИ и прочие инструменты), в целях обеспечения безопасности спецтехники, своевременного реагирования на ситуации по угону, краже спецтехники. Требования: • Python • FastAPI • REST API • MySQL • Docker • Docker-compose • Linux • Kubernetes • Работа в GitLab и с CI/CD механизмами • Уровень Senior • Опыт работы с геоданными и поставщиками услуг телематики Цезарь, Виалон. Условия: • Возможности для профессионального, финансового и карьерного развития. • Официальное оформление по ТК, полный соц. пакет. • На территории БЦ столовая, обеды для сотрудников частично оплачивает Компания. • Предоставляется охраняемая парковка за счет компании.

Основные направления: — Продуктизация ML-моделей и пайплайнов — Интеграция моделей в backend и бизнес-контуры — Разработка API и сервисов для ML — Работа со стримингом данных (Kafka) — Участие в RnD и пилотировании новых ML-решений Обязанности: — Продуктизация и внедрение ML-моделей в production — Рефакторинг кода от DS-команд под production-стандарты — Разработка backend-сервисов и REST API для ML-решений — Интеграция сервисов через Kafka и микросервисную архитектуру — Участие в построении и развитии ML-пайплайнов — Взаимодействие с DS, MLOps и аналитиками — Участие в архитектурных решениях и RnD-задачах Требования: — Опыт разработки на Python от 3–4 лет — Обязательно высшее образование (законченное) — Опыт работы с ML-проектами (CV, NLP, RAG) — Опыт разработки REST API (FastAPI / Flask) — Опыт работы с Kafka — Понимание микросервисной архитектуры и сетевого взаимодействия — Базовое понимание Kubernetes — Опыт работы с SQL на среднем уровне — Умение работать с кодом Data Science и адаптировать его под production Будет плюсом: — Опыт работы с Airflow — Опыт работы с Hadoop / Spark Условия: -ДМС со стоматологией -Компенсация фитнеса -Скидки на курсы английского (Skyeng) и в кино -Индексация зарплаты -Современная техника для работы -IT-аккредитация

О ПРОЕКТЕ Match Systems создает мощные экосистемы для криптоплатежей и передовые AML-комплексы (анализ и трекинг транзакций). Мы работаем на острие технологий, помогая делать блокчейн прозрачным и безопасным. ВАШИ КЛЮЧЕВЫЕ ВЫЗОВЫ — Highload Engine: Проектирование и развитие сверхнагруженных backend-сервисов на Python. — Optimization: Поиск и устранение узких мест в производительности систем. — Scalability: Масштабирование архитектуры для обработки огромных массивов данных. — Quality: Проведение Code Review и внедрение культуры тестирования (Unit, Integration). — Cross-Team: Синхронизация с командами для внедрения надежных решений. ЧТО МЫ ЖДЕМ ОТ ВАС — Solid Experience: 7+ лет в разработке на Python. — FastAPI Pro: Глубокие знания и опыт работы с фреймворком. — Asynchronous Master: Экспертное владение asyncio, threading, multiprocessing. Вы понимаете влияние GIL и знаете, когда выбрать I/O-bound или CPU-bound подход. — Messaging: Уверенная работа с Kafka и RabbitMQ (понимание разницы между FIFO/LIFO и Pub/Sub). — Protocols: Опыт разработки RESTful API, работа с gRPC и RPC. — Database Skills: Владение PostgreSQL и мастерство использования ORM. — Domain: Опыт в Crypto / Blockchain или разработке торговых ботов будет вашим преимуществом. ПОЧЕМУ ЭТО КРУТО? — Global Presence: Возможность работать из любой точки мира или наших хабов (Дубай, Сингапур). — Complex Tasks: Реальные вызовы в одной из самых востребованных ниш (AML и блокчейн-безопасность). — Hardcore Team: Работа в команде топовых экспертов отрасли. — Growth: Профессиональный рост в среде, где технологии меняются каждый день.

Location: Batumi, Georgia; Tbilisi, Georgia; Belgrade, Serbia; Bucuresti, Romania; Sofia, Bulgaria; Budapest, Hungary; Miskolc, Hungary; Aya Napa, Cyprus; Limassol, Cyprus; Nicosia, Cyprus; Paphos, Cyprus; Pilsen, Czechia; Praha, Czechia; Zagreb, Croatia; Riga, Latvia; Vilnius, Lithuania; Krakow, Poland; Krosno, Poland; Lublin, Poland; Poland; Poznan, Poland; Porto, Portugal; Lisbon, Portugal; Erevan, Armenia; Antalya, Türkiye Workplace: remote At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking a Senior Backend Developer to join one of our clients ' team. If you're looking for an exciting opportunity to grow in a innovative environment, this could be the perfect fit for you. Key Responsibilities: Design, develop, and maintain scalable backend services using Node.js Build and manage API integrations and external system connections Work with Azure cloud infrastructure for deployment and scaling Implement and manage event-driven systems, including geolocation-based features Develop and optimize push notification orchestration systems Contribute to DevOps processes, including CI/CD, monitoring, and infrastructure improvements Ensure system reliability, performance, and security Collaborate with cross-functional teams (product, hardware, and software) Make independent architectural decisions and drive technical solutions Requirements: Senior-level experience in backend development with strong expertise in Node.js Solid experience with DevOps practices and cloud environments (preferably Azure) Proven experience with API development and system integrations Experience with event-driven architectures Strong understanding of scalable system design Ability to work independently and take ownership of solutions Good communication skills and conversational English Nice to Have Experience in healthcare projects or familiarity with healthcare regulations Knowledge of geolocation-based systems Experience with push notification systems at scale Exposure to hardware + software integrated environments

Location: USA Workplace: Remote Moonshot is the “Robinhood for DeFi”—an iOS and Android app that lets anyone trade cryptocurrencies on-chain through a user-friendly interface. Since our launch in July 2024, we’ve attracted 2M+ users. Our mission: Make moonshots possible for everyone. Our vision: Make a world where life-changing financial outcomes are within everyone's reach. Everyone on our team is both a decision-maker and an implementer—united by a sense of urgency and driven by the conviction that our work can transform global finance. If you thrive on curiosity, welcome tough challenges, and aspire to leave a meaningful mark on the world, Moonshot is the place for you. You’ll run toward the hardest problems alongside high-caliber teammates who consistently push each other to excel and who share your dedication to shaping the future of decentralized finance. This role is full-time, preferably located in NYC. Open to remote for the right candidate. THE OPPORTUNITY As a Staff Backend & Platform Engineer at Moonshot, you’ll own some of the most critical systems in our stack: identity and access, funds movement and ledgering, and the blockchain infrastructure that powers our on-chain trading. This role is similar to staff engineers at leading crypto wallets and exchanges who own authentication stacks, key management, and high-scale financial backends. You’ll design, build, and operate systems that must be both highly reliable and extremely secure, enabling product teams to move quickly on a solid foundation. WHAT YOU’LL DO - Design, build, and operate Identity & Access Management services: - Authentication flows, sessions, device trust. - Authorization and entitlements (roles, permissions, policies). - Security controls such as MFA and key management (working with security teams). - Own financial operations systems: - Transfers and payments orchestration. - Ledgering and reconciliation flows. - Limits, risk controls, and transactional correctness. - Build and maintain blockchain infrastructure: - Node and RPC management. - Transaction submission, monitoring, and retry logic. - Indexing and streaming of on-chain data into internal services and data stores. - Define and uphold reliability and observability standards: - SLOs and error budgets for core services. - Dashboards, alerts, runbooks, and incident management practices. - Lead large, cross-functional technical projects from design through rollout, collaborating with Product, Security, and Ops. - Mentor and guide other engineers, contributing to engineering standards, design reviews, and documentation. - Stay close to industry best practices in auth, key management, and secure infrastructure for crypto and trading. WHAT WE LOOK FOR IN YOU - 5–12+ years of backend or product or platform engineering, including experience with high-scale, high-availability systems in fintech, crypto, or similar domains. - Deep expertise in at least one of: - Identity & access / security engineering - Financial systems / ledgering / payments - Blockchain infrastructure / on-chain data - Strong experience designing and operating distributed systems (datastores, queues, streaming, background workers). - Track record driving architecture decisions and seeing them through implementation and adoption. - Strong operational mindset: monitoring, on-call, incident response, and postmortems. - Excellent collaboration skills, especially with Product, Security, and Ops. NICE TO HAVES - Experience with Flutter, React Native, React, Headless CRMs - Experience with Go, Rust, Solana - Experience with Google Cloud or Amazon Web Services - Experience with crypto wallets, exchanges, or onchain protocols including DeFi, L2s, ZK - Exposure to data warehousing and analytics for financial reporting. - Contributions to open-source projects. LOCATION - NYC preferred (with periodic in-person sprints). - Remote-friendly within the United States and Canada; travel ~1wk/quarter COMPENSATION & PACKAGE - Competitive salary and meaningful equity. - 5% 401(k) match. - Health benefits with employer-covered premiums, plus life insurance coverage. - One-time office setup stipend. - Flexible PTO.

Location: USA Workplace: Remote Moonshot is the “Robinhood for DeFi”—an iOS and Android app that lets anyone trade cryptocurrencies on-chain through a user-friendly interface. Since our launch in July 2024, we’ve attracted 2M+ users. Our mission: Make moonshots possible for everyone. Our vision: Make a world where life-changing financial outcomes are within everyone's reach. Everyone on our team is both a decision-maker and an implementer—united by a sense of urgency and driven by the conviction that our work can transform global finance. If you thrive on curiosity, welcome tough challenges, and aspire to leave a meaningful mark on the world, Moonshot is the place for you. You’ll run toward the hardest problems alongside high-caliber teammates who consistently push each other to excel and who share your dedication to shaping the future of decentralized finance. This role is full-time, preferably located in NYC. Open to remote for the right candidate. THE OPPORTUNITY As a Senior Backend & Platform Engineer at Moonshot, you’ll own some of the most critical systems in our stack: identity and access, funds movement and ledgering, and the blockchain infrastructure that powers our on-chain trading. This role is similar to staff engineers at leading crypto wallets and exchanges who own authentication stacks, key management, and high-scale financial backends. You’ll design, build, and operate systems that must be both highly reliable and extremely secure, enabling product teams to move quickly on a solid foundation. WHAT YOU’LL DO - Design, build, and operate Identity & Access Management services: - Authentication flows, sessions, device trust. - Authorization and entitlements (roles, permissions, policies). - Security controls such as MFA and key management (working with security teams). - Own financial operations systems: - Transfers and payments orchestration. - Ledgering and reconciliation flows. - Limits, risk controls, and transactional correctness. - Build and maintain blockchain infrastructure: - Node and RPC management. - Transaction submission, monitoring, and retry logic. - Indexing and streaming of on-chain data into internal services and data stores. - Define and uphold reliability and observability standards: - SLOs and error budgets for core services. - Dashboards, alerts, runbooks, and incident management practices. - Lead large, cross-functional technical projects from design through rollout, collaborating with Product, Security, and Ops. - Mentor and guide other engineers, contributing to engineering standards, design reviews, and documentation. - Stay close to industry best practices in auth, key management, and secure infrastructure for crypto and trading. WHAT WE LOOK FOR IN YOU - 5–12+ years of backend or product or platform engineering, including experience with high-scale, high-availability systems in fintech, crypto, or similar domains. - Deep expertise in at least one of: - Identity & access / security engineering - Financial systems / ledgering / payments - Blockchain infrastructure / on-chain data - Strong experience designing and operating distributed systems (datastores, queues, streaming, background workers). - Track record driving architecture decisions and seeing them through implementation and adoption. - Strong operational mindset: monitoring, on-call, incident response, and postmortems. - Excellent collaboration skills, especially with Product, Security, and Ops. NICE TO HAVES - Experience with Flutter, React Native, React, Headless CRMs - Experience with Go, Rust, Solana - Experience with Google Cloud or Amazon Web Services - Experience with crypto wallets, exchanges, or onchain protocols including DeFi, L2s, ZK - Exposure to data warehousing and analytics for financial reporting. - Contributions to open-source projects. LOCATION - NYC preferred (with periodic in-person sprints). - Remote-friendly within the United States and Canada; travel ~1wk/quarter COMPENSATION & PACKAGE - Competitive salary and meaningful equity. - 5% 401(k) match. - Health benefits with employer-covered premiums, plus life insurance coverage. - One-time office setup stipend. - Flexible PTO.