Middle Full-Stack Engineer (Node.js+React)
Remote · Poland or Ukraine
Job Summary
Middle Full-Stack Engineer (Node.js+React) for a London-based fintech startup client. Responsibilities include delivering end-to-end features across frontend and backend, ensuring security, performance, and scalability, driving technical decisions, refining requirements, and collaborating with stakeholders. Skills required: strong JavaScript/TypeScript with React/Next.js, Backend with Node.js and databases (MariaDB/MySQL, DynamoDB, MSSQL, ElasticSearch), GraphQL, AWS (Lambda), microservices, CI/CD, QA/testing, observability tools (Datadog, Prometheus), and comfort working independently with client-side stakeholders. Nice-to-have: fintech/credit platforms experience, distributed systems, multi-threading, and performance/scalability focus in financial systems. Offering flexible working format (remote, office-based, or hybrid) with salary and career-growth opportunities.
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