Бэкенд вакансии

What you’ll do Design, build, and evolve customer-facing backend services and public APIs by understanding how different Chainguard products and customer segments use shared platform capabilities, and ensuring APIs and services work well for all of them. Create technical design documents and drive your own design plans with clarity and confidence.

About Airship: Airship is a technology company providing a platform for managing omnichannel customer experience, trusted by leading brands like Alaska Airlines, BBC, and The Home Depot. Their platform enables seamless, unified customer experiences across multiple channels including apps, websites, email, SMS, and wallets, using a no-code, AI-powered system designed for non-technical teams. About the Role: As a Backend Java Engineer, you will design, develop, and support distributed systems that combine scale with high reliability. You will work on low-latency services processing continuous event streams and supporting analytical workloads across terabytes of data. The backend infrastructure runs on Google Cloud Platform, using Java-based microservices and SQL and NoSQL databases. You will join a core engineering team shaping Airship’s technical foundations and engineering practices. Tasks: — Design data schemas and take ownership of data semantics — Maintain, improve, and scale Java APIs and distributed services — Investigate performance issues using server metrics, application data, and system behavior — Improve reliability, testability, and maintainability of backend systems — Partner with product and engineering teams on technical design and implementation — Help define technical standards across teams — Lead and own large-scale releases and technical projects — Use AI as a technical assistant to draft development plans and investigate problems or bugs — Critically assess AI-generated suggestions for accuracy, security, and suitability Requirements: — At least three years of experience designing, operating, and maintaining distributed systems — Professional fluency in spoken and written French (required) — Strong Java development skills — Experience with unit testing, code reviews, documentation, and Git-based version control — Experience leading significant releases or technical projects — Familiarity with continuous integration and continuous delivery practices — Strong written and verbal communication skills — Collaborative and pragmatic approach to software development — Commitment to building reliable, maintainable, and testable systems Preferred: — Experience troubleshooting and improving JVM performance — Experience with Google Cloud Platform — Knowledge of distributed NoSQL databases or key-value stores — Strong Linux administration fundamentals Work Location & Travel Requirements: — Remote work allowed, specifically candidates must live in France or the United Kingdom and have the existing right to work there — Up to 10% travel may be required based on business needs or manager requests Compensation: — Starting pay varies based on skills, experience, market demands, and location — All offers include stock options Benefits & Perks: — Medical insurance options for employees and dependents — Flexible time off, paid holidays, parental leave, and volunteer time off — Employer-subsidized mental health and wellness programs — Digital-first work environment with monthly stipend for remote work — Mentorship and growth opportunities AI in Recruiting: — AI tools are used as decision-support only — Human review of AI-generated recommendations is conducted — No applicant is rejected solely based on AI output — Candidates may request human review or opt out of AI evaluation Hiring Commitment: — Airship is committed to diversity and equal employment opportunities — Employment decisions are made irrespective of protected characteristics — Fair Chance laws compliance for applicants with criminal histories Candidates affirm the truthfulness of their application and understand that false information may lead to dismissal.

👀 Задача: Запустить собственный VPN-сервис для пользователей из России. Необходимо: настроить VPN-сервер на Ubuntu 24.04 LTS с европейским VPS;

проектировать и реализовывать backend слой агентной платформы. разрабатывать обёртки и сервисы для запуска и управления AI агентами.

разработка бэкенда на Python в рамках проекта ГигаПульс.

разработка back-end части автоматизированной системы с учетом требований безопасности, отказоустойчивости, времени отклика и т.п.

Проектировать и разрабатывать масштабируемые backend-сервисы на Go. Проектировать схемы данных, шину событий и API (gRPC, REST) для межсервисного взаимодействия.

Поддержка и доработка существующих SQL-запросов, хранимых процедур и функций. Разработка новых SQL-запросов, процедур и функций в соответствии с бизнес-требованиями.

Обеспечивать качество (Testing), писать и актуализировать unit- и интеграционные тесты для наших AI-продуктов, повышая общую надежность системы; Поддерживать актуальность (регулярно мониторить и обновлять версии библиотек, устранять уязвимости в зависимостях);

Задачи: — Разрабатывать и оптимизировать биллинг и HTTP API; — Делать интеграции с платёжными сервисами, сервисами поставщиков, бухгалтерии, сервисами электронного документооборота и регуляторов; — Производить рефакторинг старого кода; — Писать автотесты и документацию. Требования: — Опыт коммерческой разработки на Java от 5 лет, уверенное программирование на Java 21+Spring; — Опыт работы с многопоточностью, включая задачи с многопоточным доступом к данным в памяти и построение асинхронных обработок запросов; — Опыт работы с gRPC, RabbitMQ; — Опыт работы с PostgreSQL, свободное владение SQL для написания и оптимизации сложных запросов к БД PostgreSQL 18; — Опыт разработки сетевых приложений, понимание работы протокола HTTP. Будет плюсом: — Опыт работы с Redis, RabbitMQ, golang, python, s3, Docker, уверенная работа в Linux. Условия: — Работа в продуктовой компании с технически сложным и востребованным продуктом для бизнеса; — Гибкое начало рабочего дня; — Работа в аккредитованной IT-компании; — Одна из двух льгот на выбор за счет компании (ДМС (Лучи) или корпоративное обучение английскому/испанскому языку до 2-х раз в неделю); — Корпоративные скидки от BestBenefits; — Возможность гибридного графика, офис в Москве рядом с метро Тульская; — Современные и удобные инструменты, софт и оборудование для работы. Процесс найма: 1. Скрининг с HR (40 минут); 2. Техническое задание; 3. Техническое интервью (90 минут); 4. Оффер.

Location: Remote - US About LaunchDarkly Engineering LaunchDarkly helps engineering organizations ship software and AI with speed, safety, and control. Our platform gives teams the confidence to release gradually, target experiences to the right audiences, learn through experimentation, understand what is happening in production, and respond quickly when risk appears. Our engineers build the systems, services, SDKs, developer tools, cloud infrastructure, and product experiences that make this possible. The work spans high-scale distributed systems, reliable data and event pipelines, intuitive enterprise workflows, and AI-powered capabilities that help teams manage the next generation of software delivery. LaunchDarkly’s SDKs are used in systems that perform trillions of feature flag evaluations each day, giving our engineering work a direct connection to the reliability and customer experience of software around the world. As the company grows, we are expanding beyond traditional feature management into experimentation, observability, and AgentControl—helping customers control more of the software and AI lifecycle. That creates an unusually broad set of technical challenges, visible customer impact, and room for engineers to shape what comes next. We believe in the power of teams. We work with humility, openness, curiosity, and care; we value clear communication, thoughtful technical judgment, inclusive collaboration, and a strong sense of ownership. We encourage people to apply even when they do not meet every qualification listed below. We are interested in the experience, perspective, and potential you would bring to the role. About the Job As a Software Engineer on LaunchDarkly’s SDK team, you will build the primary touchpoint that our customers interact with on a daily basis. You’ll work with multiple technologies across our 35+ SDKs while enabling customers of all kinds to feature flag their code. When working on our SDKs, you’d be contributing to much more than thin client wrappers. Our SDKs are feature-rich agents with strong emphases on performance, concurrency, and resiliency -- all while following idiomatic practices for their tech stack. LaunchDarkly serves trillions of feature flags daily to customers all around the globe, and every flag is handled by our SDKs. This team has a major impact not only on our company, but on our customers (and their customers). We are growing fast and we need your help writing the next chapter in our story. Responsibilities: Contribute to development for SDKs in supported platforms : Implement new features and improvements to meet customer performance and resiliency requirements Keep up to date with the latest development practices Collaborate with our engineering and product teams to drive the implementation and release of major features Actively maintain our open-source repositories Identify areas of improvement and advocate for best practices Have an active voice in shaping both technology and product decisions Basic Qualifications: Demonstrable experience building libraries and packages used by other developers Polyglot background with an ability to context switch between languages quickly 5+ years experience with at least two of the following: .NET/Go/Ruby/Python/NodeJS/Java Experience with the following is a plus: C++/Erlang/Haskell/Lua AI SDKs Observability SDKs Mobile development Strong computer science fundamentals Committed to working in a communicative, collaborative environment Self‐starter and problem solver, willing to solve difficult problems and work independently when necessary Strong testing background: experience building unit, integration, load tests, and benchmarks Experience writing production-ready code with emphasis on quality and maintainability Experience contributing to open-source software Logistics: This is a remote role, with opportunities to visit the office in the Bay Area, California, for team offsites The SDK team is spread between Eastern and Pacific time zones Highlights: You will work collaboratively with a team of highly experienced engineers who are amazing at the craft of engineering and building SDKs Your contributions will be publicly visible as the SDK team develops LaunchDarkly’s open-source SDKs in public LaunchDarkly uses our own SDKs. You will have opportunities working with the other teams within LaunchDarkly In this role, you can learn about many programming languages and frameworks You will have opportunities to strongly influence roadmap and prioritization Pay: Target pay ranges based on Geographic Zones* for Level 3: Zone 1: San Francisco/Bay Area or NYC Metropolitan Area, Boston, Seattle - $171,200 - $235,400** Zone 2: Irvine, LA, Monterey, Santa Barbara, Santa Rosa, Austin, Portland, Philadelphia, Chicago - $154,100 - $211,860 ** Zone 3: All other US locations - $ 145,500 - $200,090 ** LaunchDarkly operates from a place of high trust and transparency; we are happy to state the pay range for our open roles to best align with your needs. Exact compensation may vary based on skills, experience, and location. *Within the United States, our geographic pay zones are defined by counties surrounding major metropolitan areas. **Restricted Stock Units (RSUs), health, vision, and dental insurance, and mental health benefits in addition to salary. About LaunchDarkly: Modern software delivery was supposed to be the foundation for a thriving digital business but reality has proven otherwise. Slow, inefficient development cycles, costly outages, and fragmented customer experiences are preventing developers from building their best software. The LaunchDarkly platform helps developers innovate on new features faster while protecting them with a safety valve to instantly rewind when things go wrong. Developers can target product experiences to any customer segment and maximize the business impact of every feature. And by gradually rolling out new application components, they escape nightmare "big-bang" technology migrations. The LaunchDarkly platform was built to guide engineers to the next frontier of DevOps by: Improving the velocity and stability of software releases, without the fear of end customer outages Delivering targeted experiences by easily personalizing features to customer cohorts Maximizing the business impact of every feature through the ability to experiment and optimize Coordinating the release and optimization of software to provide consistent experiences across mobile platforms and device types Improving the effectiveness and productivity of engineering teams, by providing insights into engineering cadence and stability At LaunchDarkly, we believe in the power of teams. We're building a team that is humble, open, collaborative, respectful and kind. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, gender identity, sexual orientation, age, marital status, veteran status, or disability status. LD invites any applicant to review our written Affirmative Action Plan. To do so, contact People Ops at hr@launchdarkly.com . Do you need a disability accommodation? Fill out this accommodations request form and someone from our People Operations team will contact you for assistance. Your safety matters to us. To protect yourself from potential scams, LaunchDarkly recruiters will only contact you from @ launchdarkly.com email addresses or via LinkedIn from "Verified Recruiter" accounts. Be cautious of emails from other domains.  Legitimate LaunchDarkly recruiters will never ask for money, fees, or banking information before making a job offer. LaunchDarkly will never make a job offer without conducting a formal interview process. Our interview process does not involve asking detailed questions by email. If you are ever unsure about a communication that you receive, don't click any links—visit Careers | LaunchDarkly directly for confirmed job openings and links to apply. Please notify us of any fraudulent representation by sending an email to careers@launchdarkly.com .

Kraken is looking for a Software Engineer II Rust Pro to build reliable, high-performance trading, payment, and crypto services.

-разработка программных модулей системы анализа трафика сетей связи широкополосного доступа. -знание языков C и С++ и применение принципов ООП/ООД при разработке ПО.

Location: Russia; Moscow; Perm Workplace: remote ABOUT US Xsolla is a global commerce company with robust tools and services to help developers solve the inherent challenges of the video game industry. From indie to AAA, companies partner with Xsolla to help them fund, distribute, market, and monetize their games. Grounded in the belief in the future of video games, Xsolla is resolute in the mission to bring opportunities together, and continually make new resources available to creators. Headquartered and incorporated in Los Angeles, California, Xsolla operates as the merchant of record and has helped over 1,500+ game developers to reach more players and grow their businesses around the world. With more paths to profits and ways to win, developers have all the things needed to enjoy the game. For more information, visit xsolla.com. The role THE ROLE We are hiring a Senior Backend Engineer for two platform products: Xsolla ID is the identity and authentication platform behind sign-in, account management and SSO across Xsolla products. Xsolla ZK is Web3 wallet infrastructure: smart wallets and account abstraction on a zkSync-based L2. Both products sit on users' most sensitive flows, logging in and signing transactions, and other Xsolla teams build on top of them. WHAT YOU WILL OWN The backend services of your product area end to end: design, implementation, release and production operation, including on-call Architecture across services: service boundaries, integration contracts and data ownership. You make these decisions and justify them in writing Reliability and security of critical flows: SLOs, failure handling, protection of user data and credentials Service performance and cost under load WHAT YOU WILL DO Design and build services and APIs (REST, gRPC) for authentication, account management and wallet operations Define service boundaries and integration contracts with other Xsolla teams Design data models and storage; optimize schemas and queries Build event-driven and asynchronous workflows Own observability: metrics, logs, tracing and alerting, and act on what production tells you Take part in on-call, incident response and post-mortems Improve the engineering environment: CI/CD, infrastructure-as-code, testing Review code Set up and maintain AI tooling in the repositories (Claude Code, Codex, Cursor: rules, context, harness) so the team uses it effectively Responsibilities Language and platform 5+ years of commercial backend development Go: idiomatic code, concurrency (goroutines, channels, context and cancellation), memory and performance profiling (pprof) Data Relational databases (PostgreSQL, MySQL): schema design, indexes, query plans, transactions and isolation levels, safe migrations Caching (Redis): when to cache, invalidation, consistency trade-offs Distributed systems Service architecture and distributed-systems trade-offs: consistency, availability, idempotency, retries, failure modes Asynchronous messaging and event-driven design (Kafka, RabbitMQ or NATS): delivery guarantees, ordering, reprocessing APIs Designing REST and gRPC APIs: versioning, backward compatibility, contract documentation (OpenAPI / Swagger, Protobuf) Security and identity Application security: common vulnerability classes (OWASP Top 10), secrets management, safe handling of user data OAuth 2.0 / OIDC from the server side: flows, tokens, sessions Operations Containers and orchestration (Docker, Kubernetes) at the level of deploying and debugging your own services Observability (we use Datadog; experience with Prometheus, Grafana, ELK / Graylog or OpenTelemetry also counts): metrics, logs, tracing and alerting; diagnosing incidents in production Engineering practices Testing: unit, integration, contract Git, CI/CD (GitLab CI or similar) AI-assisted engineering Daily hands-on use of AI coding tools (Claude Code, Codex, Cursor) for development and review, including configuring them for a repository English Reading technical documentation in English Nice to Have Web3 backend experience: blockchain integration, wallet infrastructure, account abstraction High-load systems Cloud platforms (GCP, AWS or Azure) and infrastructure-as-code NoSQL databases (MongoDB or similar) Domain experience in gaming, e-commerce, fintech or payments HOW WE WORK Decisions in writing. Significant technical decisions are written up as an RFC or ADR that lays out the options and trade-offs. We discuss the document, not a blank whiteboard. AI is part of everyday engineering. We use AI coding tools for development and review, and we treat configuring them for a codebase as real engineering work. HOW WE HIRE Intro call. Your background, your motivation and the role. Technical interview. Built directly on the What you will own and Required sections above. We won't ask about anything this posting doesn't promise. Bar raiser. An engineer from outside the hiring team checks that you raise the overall engineering bar. THE TEAM You will work alongside product managers, designers, backend and frontend engineers, QA and DevOps. BENEFITS We are passionate about fostering a supportive environment for our team, so we prioritize the physical, mental, and emotional well-being of our employees and their families through a comprehensive Benefits Program. This includes medical, dental, and vision, PTO, and a personalized career roadmap for each employee. By investing in professional development through training and educational opportunities, we ensure that our team thrives both personally and professionally. Together, we're not just building a business; we're cultivating a community that values creativity, collaboration, and the transformative power of play. EMPLOYMENT DETAILS Location: Remote Employment Type: Full-time Schedule: 10:00–19:00 (flexible) Contract: Employment agreement (entity or EOR arranged per candidate location) EQUAL EMPLOYMENT STATEMENT Xsolla is dedicated to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, language, sexual orientation, national origin, genetics, political beliefs, disability, age, marital status, social background or other characteristics. We are committed to compliance with all fair employment practices regarding citizenship and immigration status. CONTACT If you have questions regarding our hiring practices, please contact careers@xsolla.com. For more vacancies, visit xsolla.com/careers.

Проектировать архитектуру сервисов и микросервисов, выбирать подходящие паттерны и подходы. Писать высокопроизводительный, безопасный и поддерживаемый код на Go с учётом особенностей конкурентности (горутины, каналы, примитивы синхронизации).

Опыт разработки на C# от 3-х лет. Владение C# и .NET на уровне middle-разработчика и выше.

• Глубокие знания Java Core, опыт разработки микросервисов на Spring. • Навыки решения backend-задач, принятия архитектурных решений и оптимизации процессов разработки.

- Проектирование и разработка устойчивых пайплайнов взаимодействия с внешними веб-системами (headless browsers, HTTP, fingerprinting, сессии). - Работа с прокси-инфраструктурой: ротация, мониторинг качества, обработка ограничений.