Role SnapshotPosition Senior Node.js Developer (Senior Backend Engineer) Experience 6–7 years in backend development; 4+ years in Node.js Location Jaipur or Lucknow (work from office) Employment type Full-time, permanent Department Technology
- Backend Engineering Reports to CTO Team Mentors mid-level backend developers Notice period Immediate to 30 days preferred Compensation Competitive, based on experience and interview performance About ToTheMoon Technologies Pvt LtdToTheMoon Technologies Pvt Ltd is an FIU-IND registered Indian cryptocurrency exchange, operating since 2021 and headquartered in Jaipur. We help Indian users buy, sell and trade digital assets securely, and offer OTC on-ramp and off-ramp services.

About the Role
You will own the backend services that run the exchange: order flow, wallets, deposits and withdrawals, payments, and internal tools. These systems move real customer funds, so reliability, security and throughput come first. As a senior engineer, you will set engineering standards, lead design decisions, handle production incidents, and mentor mid-level developers.

Key Responsibilities
· Design, build and maintain scalable Node.js services (REST and WebSocket) for order flow, market data, wallets, payments and internal tools.
· Build correct, high-throughput money-movement logic: balance ledgers, deposits, withdrawals and settlements, using idempotency, atomic transactions and reconciliation.
· Design schemas and optimise queries on MySQL/PostgreSQL at scale: indexing, partitioning, transactions, replication and slow-query tuning.
· Use Redis in production for caching, pub/sub, queues, rate limiting and sessions.
· Build event-driven pipelines with Kafka, RabbitMQ or BullMQ, with retries, dead-letter queues and back-pressure.
· Integrate with blockchain nodes and RPC providers,



liquidity partners, payment gateways and KYC vendors.
· Apply security by design: OWASP Top 10, secrets management, API authentication, rate limiting, audit logging and access control.
· Own observability: structured logs, metrics, tracing, dashboards and alerts; lead incident response and blameless post-mortems.
· Set engineering standards through code reviews, design docs, testing practices and CI/CD.
· Mentor mid-level developers and work with front-end, DevOps, product, compliance and security teams. Must-Have Skills
· 6–7 years of backend development, including 4+ years in Node.js with Express, Fastify or NestJS.
· Deep MySQL or PostgreSQL knowledge: indexing, transactions and isolation levels, replication, and slow-query tuning.
· Redis in production: clustering, persistence (RDB/AOF), Streams and BullMQ.
· Message queues: Kafka, RabbitMQ or BullMQ.
· Docker, Linux and Nginx (reverse proxy, load balancing, TLS).
· Security: OWASP practices, secrets management, idempotent APIs and audit logging.
· REST and WebSocket API design for high-concurrency, low-latency systems.
· Experience running and debugging production systems: monitoring, on-call and incident handling.
· Proven experience leading code reviews and mentoring developers.
· Strong ownership, transparent written communication and sound engineering judgement. Good to Have
· Experience on a crypto exchange, fintech, payments or trading platform.
· Blockchain RPC integration (EVM chains, Bitcoin, Tron, Solana): deposit detection, confirmations and withdrawal broadcasting.
· Kubernetes and cloud platforms (AWS or GCP).
· TypeScript across backend services.
· Matching-engine, order-book or market-data system design.
· Observability tools: Prometheus, Grafana, ELK/OpenSearch, OpenTelemetry.

📌 Senior Node Js Developer (Lucknow)
🏢 Amrevx
📍 Lucknow