Job
Core
Design and implement high-load backend systems, APIs, and microservices handling massive traffic and real-time data for third-party integrations.
Role type
Senior backend engineer (Node.js, high-load systems)
Builds
Scalable in-house platform with real-time data processing and reporting systems
Domain
Fintech / High-load distributed systems
Deliverable
production ML models | product features
Required skills
Node.js, TypeScript, RESTful APIs, GraphQL, WebSocket, MySQL, MongoDB, Redis, NATS, Kafka, Docker, Kubernetes, AWS/Azure, Prometheus, Grafana, ELK stack
Preferred skills
Agentic development tools (Claude Code), reusable AI tooling, verification discipline
Technologies
Express.js, Fastify, GraphQL, WebSocket, MySQL, MongoDB, Redis, Valkey, NATS, Apache Kafka, Prometheus, Grafana, ELK, Docker, Kubernetes, AWS, Azure
Responsibilities
Design and implement high-load applications, build robust APIs and microservices, optimize application performance, develop third-party integrations, participate in full development lifecycle
Seniority
Senior, hands-on IC
