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Разрабатывать высокопроизводительные сервисы на GO. Опыт разработки от 3-х лет на Golang;

Location: United States (Remote) Workplace: Remote ABOUT ONEPAY OnePay is the consumer fintech trusted by millions of Americans to make money better. Our financial system is broken. High fees, low rates, and too few ways to actually grow your money. We’re fixing it. And we’re moving fast. We’re an all-in-one financial services platform that brings together banking, high-yield savings, credit cards, point-of-sale lending, investing, and crypto in one place. We also partner with employers, HCM providers, gig platforms, and others to deliver embedded financial services to millions of employees and frontline workers. We’re backed by Walmart, the world’s largest retailer, and Ribbit Capital, one of fintech’s most respected investors, giving us rare scale, distribution, and the opportunity to build something truly category-defining. But what really sets OnePay apart is how we move. Our customers don’t have time to wait… and neither do we. This place moves fast, and we’re looking for people who are: - Ready to run - Hungry and driven by urgency - Exceptional at what they do, with low ego - Comfortable operating in motion THE ROLE As a Backend Engineer on the Credit Card team at OnePay, your work will directly shape the infrastructure behind our co-branded credit card product, holding the same bar for trust, security, and reliability as the rest of our financial ecosystem. You will: - Design and build backend services that power our co-branded credit card product and its integrations with partner systems - Architect APIs and event-driven systems that handle sensitive financial data securely at scale - Partner with risk, compliance, and platform teams to ensure new features meet regulatory and security requirements - Own reliability and performance for systems processing real-time credit transactions - Drive technical decisions on system design, balancing scalability, security, and speed of delivery - Mentor other engineers and raise the bar on code quality, testing, and operational practices across the team YOU BRING - 3+ years of professional experience in backend or distributed systems development - Experience building and operating production-grade APIs and microservices in a regulated or high-compliance environment (fintech, payments, banking, or similar) - Proficiency in Node.js or similar modern backend frameworks (TypeScript, NestJS, Go, or Java) - Familiarity with cloud-native architecture (Kubernetes, AWS) and event-driven or microservice-based systems - Strong understanding of data security, PCI compliance, or similar standards protecting sensitive financial data - Strong communication and collaboration skills across product, risk, and platform teams - Drive and proactivity - everyone here is a builder and executor TOOLS WE USE We use Typescript front to back, with node and NestJS frameworks for server code and React Native for our iOS, Android, and Web clients. We run on a highly distributed cloud-native stack with Kubernetes and AWS, and scale and resiliency are at the heart of everything we build. We also embrace agentic development, so engineers have their choice of a variety of models and agent harnesses, including Claude Code, Cursor, Codex, and more to fit their workflow. While you don't need experience with our exact stack, familiarity with modern software engineering practices will help you ramp up quickly. WHAT WE OFFER - Competitive base salary, stock options, and health benefits from Day 1 - 401(k) plan with company match - Remote-friendly (US), flexible time off (FTO), and opportunities for growth - A high-growth, mission-driven, inclusive culture where your work has real impact STANDARD INTERVIEW PROCESS Our process varies by role. Most candidates go through: - AI-assisted initial screen - Interview with Talent Partner - Technical or Hiring Manager Interview - Team Interview - Executive Interview - Offer! EQUAL EMPLOYMENT OPPORTUNITY To build technology and products that are used and loved by people and solve real-world problems, we need to build a team with many different perspectives and experiences. We are an equal opportunity employer. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We encourage candidates from all backgrounds to apply. Applicants in need of special assistance or accommodation during the interview process or in accessing our website may contact us at talent@onepay.com.

— Разработка и поддержка высокопроизводительного программного обеспечения на языке Golang для блокчейн-проектов. — Участие в проектировании и архитектуре блокчейн-решений.

Собес на Python-разработчика в VK: час лайвкодинга и SQL под камеру.

Требования: Базовое знание Java (Core, ООП, коллекции) на уровне, достаточном для написания и поддержки автотестов. Опыт работы с Git, знание основных команд и работа с ветками.

Location: London, United Kingdom - Deliveroo Our Global Structure Deliveroo is now part of DoorDash, bringing together teams with even greater reach, scale, and ambition. Depending on your role, you may collaborate with teammates, systems, and leaders across DoorDash and Wolt. Together, we’re unlocking new possibilities as one global team. Senior Software Engineer Join us in our mission to transform the way people shop and eat, where impact, innovation and growth drive everything we do. Our Engineering teams tackle complex technical challenges across a global, three-sided marketplace, building and scaling systems that serve millions of customers, riders and partners every day. From real-time logistics to resilient infrastructure and marketplace optimisation, we design, build and operate technology that powers Deliveroo’s growth at scale. In November 2023 we launched our non-food retail offering, Deliveroo ‘Shopping’, where we work with large and small merchants. We oversee all operations within the grocery and retail ecosystem, ensuring stores are equipped to receive and efficiently process orders. Our solutions empower stores to manage orders seamlessly through multiple channels, including our in-house app, API integration, and devices pre-installed with our software. Additionally, we provide tools to maintain and update product catalogs, ensuring accurate inventory for consumers. The technology we’ve developed enables our partners to pick the correct items swiftly while keeping inventory data current, optimizing both efficiency and accuracy. We’re looking for a Senior Software Engineer to join our London (Hybrid - 3 days from the office) team. In this role, you’ll help us improve code structure and architecture while leading team project planning to maximise efficiency and reliability across our production systems. Get to know our Engineering team — what drives us, how we work, and what you can expect. What You’ll Be Doing Here’s what your day-to-day might look like: Drive Technical Excellence: Improve code structure and architecture across your team’s remit, developing, releasing and running large-scale web applications whilst transitioning our monolithic codebase to a microservice-based architecture Lead Project Planning: Foresee dependencies and risks, partnering closely with Product and Design to ensure smooth delivery of complex features, whilst defining the backend architecture and tech stack for a product area Optimise Operations: Improve performance, reliability, scalability and security for our backend systems Collaborate & Influence: Build relationships across global engineering teams to identify collaboration opportunities and influence the wider technical roadmap. Mentor & Hire: Support the personal growth of your colleagues through technical guidance and take an active role in conducting engineering interviews to scale our team. What You’ll Need to Thrive Our ideal candidate will bring strong expertise in some of these areas and curiosity to grow in others: Proficiency in using AI coding tools (e.g., Claude Code, Codex, Cursor) in the full software development lifecycle, including designing, generating code, testing, monitoring and releasing software Strong Engineering Principles: Deep pride in writing readable, well-designed, and well-tested software. Backend Expertise: Significant experience building web-based applications (we use Go, Ruby/Rails, Python, Scala, and Rust). Data Proficiency: Practical experience with relational databases (PostgreSQL, MySQL) and "NoSQL" backends like Redis, DynamoDB, or ElasticSearch. Systems at Scale: Proven ability to manage web architecture at scale (handling 20krpm and above). Technical Leadership: Experience breaking down large pieces of work and guiding implementation choices for a team of engineers. Why Join Us? At Deliveroo, you’ll do work that matters—solving real-world problems in a three-sided marketplace that’s constantly evolving. We’re food lovers, problem solvers, community organisers, proud parents, and more, brought together by a shared drive to make things better. Working here you can expect to: 🔧 Solve meaningful problems at real scale Work on a complex, always-on marketplace that impacts millions every day. 🌱 See your impact, fast Ship, test and improve ideas quickly in a low-hierarchy, high-ownership environment. 🧠 Grow through challenge and ownership Take on big, ambiguous problems and accelerate your career with strong support. 🌎 A culture built for builders High standards, collaboration, flexible working and continuous learning. 💰 Share in the success you help create Competitive salary and equity options, so you’re rewarded for the impact you make. ➡️ Want a deeper look at how we build? Check out our Tech Blog . We aim to create a fair process that lets your skills shine—our interview typically includes 3-4 stages. Explore our Engineering Interview Guide here to help you feel confident at each stage. Diversity, Equity and Inclusion At Deliveroo, we know that a great workplace reflects the world around us and that true diversity and inclusion make us stronger, more creative, and better at what we do. We’re committed to fostering an environment where everyone can do their best work and feel they belong. We believe in equality of opportunity and welcome candidates from all backgrounds regardless of age, gender, ethnicity, disability, sexual orientation, gender identity, socio-economic background, religion, or belief. If you have a disability or long-term health condition and need support to apply for one of our roles, or require any reasonable adjustments during the recruitment process, you’ll have the opportunity to let us know once you’ve submitted your application. We’ll share details on how to request support so we can ensure you have a fair and equitable experience. If you’re excited about making a real impact in a fast-moving marketplace and growing your career alongside ambitious, supportive teams, we’d love to hear from you! Beware of recruitment scams: DASH Brands will never ask you to pay money or share sensitive financial information during hiring — learn more about DASH Brands' legitimate recruiting process at careersatdoordash.com/recruitment-scam-awareness .

• Oliy texnik ma'lumot (Dasturiy injiniring, Kompyuter ilmlari (Computer Science) yoki shunga o'xshash yo'nalishlar); • Go dasturlash tilini yaxshi bilish;

Задачи: — Отвечать за полный цикл разработки: дизайн, продакшн и поддержка системы — Работать с международной iGaming-платформой, включающей 50+ .NET-сервисов — Улучшать систему раунд за раундом, выявлять и исправлять потенциальные проблемы Требования: — 5+ лет продакшн-опыта на C#/.NET — Опыт работы с распределёнными системами под реальной нагрузкой — Глубокие знания SQL Server — AI-native: опыт работы с Claude Code или аналогичными инструментами — Привычка постоянно улучшать систему Условия: — Полная удалённая работа (кроме России) — Гибкий график — Работа по B2B — Оплата AI-тулинга (Claude Code и другие ускоряющие инструменты) — Большая команда — Возможность роста до техлида или владельца домена — Процесс отбора: интро-звонок, техническое интервью 1,5 часа, оффер

Роль предполагает полноценное участие в команде разработки.

Нам нужен Junior Python developer, который включится в разработку интеграций платежного шлюза - будет добавлять новую функциональность, интегрировать с различными банками и платежными инструментами. 🌸Разрабатывать и поддерживать backend: писать чистый, эффективный код и тесты;

– Отличные знания и опыт разработки на Python. – Хорошие знания и практический опыт с одним из фреймворков (FastAPI / Django / Flask).

— Python’da kamida 2 yillik tijoriy dasturlash tajribasi; — Python’ni yaxshi bilish;

Опытного специалиста, которому предстоит заниматься разработкой высоконагруженных, распределенных сервисов на Golang. уверенные знания языка программирования Go от 5 лет;

-Разрабатывать микросервисы на Java и Spring Boot. -Проектировать REST API и интеграции с внешними системами.

Наличие высшего профессионального образования в области ИТ. - Опыт работы в роли разработчика C# от 1,5 лет.

Уверенное владение C#: типы и их размещение в памяти, generics, LINQ, async/await и модель асинхронности, работа с исключениями, IDisposable и управление ресурсами. Понимание платформы .NET: устройство CLR, сборка мусора и её поколения, отличия .NET Framework от .NET (Core), понимание того, как устроена публикация и запуск приложения.

О компании и команде Компания IT_One — стратегический партнер по цифровизации российского бизнеса и государственных органов. Команда реализует крупнейшие проекты цифровой трансформации. В компании более 2500 сотрудников, офисы в Москве, Санкт-Петербурге и Омске. Задачи: — Проектирование чистой архитектуры приложений — Глубокий рефакторинг существующей кодовой базы — Оптимизация производительности на стыке PHP, MSSQL и очередей сообщений — Обеспечение технологического качества продукта ВЗР Требования: 1. Архитектурные навыки и культура кода (экспертный уровень): — Глубокое понимание и практическое применение паттернов и принципов: GoF, SOLID, DRY, KISS, YAGNI — Уверенные навыки декомпозиции монолитов, устранения технического долга и рефакторинга сложного кода без нарушения бизнес-логики — Умение писать легко поддерживаемый и тестируемый код — Опыт проектирования систем с использованием DDD, CQRS и Hexagonal Architecture 2. Backend стек (PHP и фреймворки): — PHP 8.x: глубокие знания движка PHP — Фундаментальное понимание управления памятью в PHP (Zval, Garbage Collection, подсчет ссылок, memory leaks в долгоживущих процессах, оптимизация потребления памяти при обработке сложных массивов данных) — Экспертное владение Symfony 7.4+ и Laravel, понимание внутреннего устройства контейнеров зависимостей (DI), жизненного цикла запроса, работы с Event Component, пакетами и кастомными Artisan/Console командами 3. Работа с данными и СУБД (уровень T-Shaped / DBA-like): — Глубокие знания T-SQL и MS SQL Server: написание сложных, оптимизированных запросов, хранимых процедур, триггеров и обобщенных табличных выражений (CTE) — Оптимизация производительности БД: понимание принципов построения и работы индексов (кластеризованные, некластеризованные, покрывающие, фильтруемые) — Профайлинг и анализ: чтение и анализ планов выполнения запросов, выявление узких мест (Table Scan, Index Scan vs Seek), борьба с взаимными блокировками (Deadlocks), оптимизация уровней изолированности транзакций 4. Асинхронное взаимодействие и DevOps стек: — Apache Kafka: опыт построения событийной архитектуры (EDA), понимание работы продюсеров/консьюмеров, гарантированной доставки сообщений (At-least-once, Exactly-once), идемпотентности обработчиков, работы с партициями и репликацией — Docker и Kubernetes: уверенное владение контейнеризацией, понимание принципов работы приложений в Kubernetes (поды, сервисы, деплойменты, конфигурация маппинга памяти и CPU, чтение логов, механика liveness/readiness probes для PHP-FPM и Kafka-воркеров) 5. Тестирование и инструменты: — Покрытие кода качественными тестами (PHPUnit) — Понимание разницы между Unit, Integration и E2E тестами — Навыки написания mock-объектов — Опыт работы с инструментами анализа производительности и утечек памяти (Blackfire, Xdebug, Profiler) Условия: — Официальное трудоустройство по ТК РФ в аккредитованную IT компанию, белая заработная плата — ДМС после испытательного срока — Удаленная работа на территории РФ — Корпоративное обучение и сертификация, возможности профессионального развития и карьерного роста — Внутренние профессиональные сообщества и митапы для обмена опытом — Программа корпоративных скидок и привилегий (Best Benefits) — Доступ к спортивной платформе FitStars — Совместные активности и мероприятия (вечера настольных игр, random coffee, книжный, шахматный клубы, беговой клуб в летний сезон) и другие well-being активности

-разработка и поддержка микросервисов на Go. -участие в проектировании архитектуры новых сервисов и микросервисных систем.