Senior Backend JavaScript Engineer (Node.js)

About the role

We are looking for a highly skilled Senior JavaScript Engineer with strong backend expertise in Node.js to join our engineering team. You will design, develop, and optimize scalable backend services and APIs powering mission-critical applications.

Key responsibilities

• Architect, build, and maintain scalable backend services using Node.js and modern frameworks.
• Design and implement RESTful and/or GraphQL APIs with clean, maintainable code.
• Optimize backend performance, reliability, logging, and observability.
• Collaborate with frontend, DevOps, product, and data teams to deliver complete solutions.
• Write and maintain technical documentation, perform code reviews, and enforce coding standards.
• Manage deployments, CI/CD pipelines, and cloud resources as needed.
• Mentor junior engineers and drive backend engineering best practices.
• Participate in architectural discussions and contribute to long-term system strategy.

Required profile

• 7+ years of professional experience building backend systems with JavaScript or TypeScript.
• Advanced expertise in Node.js, asynchronous programming, and event-driven architecture.
• Experience with Express.js, Fastify, NestJS, or similar backend frameworks.
• Strong understanding of databases (PostgreSQL, MySQL, MongoDB, Redis, etc.).
• Experience with message queues and event-driven patterns (Kafka, RabbitMQ, SQS, etc.).
• Knowledge of containerization and orchestration (Docker, Kubernetes, ECS).
• Solid understanding of authentication/authorization patterns (OAuth2, JWT, RBAC).
• Experience with distributed systems, microservices, and API versioning.

Required skills

• Node.js
• Express.js
• Fastify
• NestJS
• JavaScript
• TypeScript
• PostgreSQL
• MySQL
• MongoDB
• Redis
• Kafka
• RabbitMQ
• AWS SQS
• Docker
• Kubernetes
• AWS ECS
• OAuth2
• JWT
• RBAC
• GraphQL
• CI/CD
• AWS
• GCP
• Azure
• Prometheus
• Grafana
• Datadog
• OpenTelemetry
• Jest
• Mocha