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описание
Founded in 2019, Utorg builds infrastructure for stablecoin payments, including on- and off-ramps, self-custodial wallets, and crypto cards. Its app serves over 2 million users across 130+ countries, while its B2B payment rails support more than 2,100 platforms.
задачи
Own backend architecture across two large-scale microservice platforms, covering system design, API contracts, data flow, and inter-service communication
Lead complex integrations with payment providers, card issuers, blockchain networks, and third-party APIs, and take responsibility for their production reliability
Drive performance and scalability by identifying bottlenecks, designing caching strategies, optimizing database queries, and supporting growing load
Shape technical direction by making architectural decisions, evaluating trade-offs, and influencing engineering standards
Build and improve AI-powered processes that automate operational and development workflows
Maintain and extend React-based admin dashboards used by internal teams, spending approximately 20% of the time on back-office frontends
Own features end-to-end, from planning and architectural design to implementation, testing, production monitoring, and iterative improvement
Collaborate with Product, QA, and cross-functional teams; produce technical documentation, participate in code reviews, and share knowledge
Take part in a shared on-call rotation, roughly one week per month
Drive complex integrations, own architectural and technical decisions, influence the platform’s technical direction, and partially offload decision-making from the Tech Lead
Participate in planning and architectural code reviews, propose improvements, and make architectural decisions within the assigned scope
требования
5+ Years of production backend development experience, with TypeScript/Node.js as the primary stack
2+ Years of production experience with NestJS, including modules, providers, middleware, guards, interceptors, and microservice architecture with custom transports
Production blockchain experience involving on-chain transactions, multiple networks, and real user funds
Understanding of HD wallets (BIP32/BIP39), smart contracts, ABI, ERC-20/SPL tokens, and account-based and UTXO models; experience with ethers.js, viem, and solana/web3.js
Experience using AI tools such as Claude, Copilot, and Cursor in daily work, and optimizing business or organizational processes with AI/LLMs
Deep PostgreSQL expertise, including schema design, indexing, query optimization, zero-downtime migrations, and the database-per-service pattern
Hands-on microservices experience, including RPC and pub/sub communication, message brokers, idempotency, eventual consistency, and saga/outbox patterns
System design experience, including service decomposition, API contracts, data flow architecture, and capacity planning; able to explain architectural decisions
Production experience building and maintaining complex integrations with third-party APIs, payment systems, or similar external services, including retries, circuit breakers, and graceful degradation
Performance engineering experience with profiling, caching strategies, load analysis, and bottleneck identification
Strong testing discipline, including Jest unit tests, integration tests with real databases, and microservice testing
Security-conscious approach to code that may handle real user funds
Skilled in technical research, evaluating trade-offs, testing hypotheses, and making data-driven architectural decisions
English proficiency at Upper-Intermediate
Fluent in Russian
Technically strong, with an architectural mindset and the ability to consider data flows, failure modes, and long-term maintainability
Able to defend technical decisions and explain trade-offs to engineers and stakeholders
Proactive problem-solver who identifies issues and proposes solutions independently
Product-driven, focused on shipping features and solving user problems
Self-motivated and responsible, comfortable in small teams, autonomous work, and owning the development process
Инфраструктурный финтех-провайдер из ЕС с лицензией виртуальных валют, обеспечивает обмен фиатных валют на крипту (on/off-ramp) через удобный интерфейс и API. Предлагает KYC за 3 минуты, защиту PCI DSS, криптокарту и некастодиальные кошельки для пользователей и бизнеса.
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