Senior JavaScript Engineer (Backend / Node.js)
Passa · London
Job description
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 optimise scalable backend services and APIs that power 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.
- Optimise performance, reliability, logging and observability of backend systems.
- Collaborate with frontend, DevOps, product and data teams to deliver end‑to‑end solutions.
- Manage deployments, CI/CD pipelines and cloud resources.
- Mentor junior engineers and champion backend engineering best practices.
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.
- Strong understanding of databases such as PostgreSQL, MySQL, MongoDB and Redis.
- Experience with message queues (Kafka, RabbitMQ, SQS) and container orchestration (Docker, Kubernetes, ECS).
Required skills
- JavaScript
- TypeScript
- Node.js
- Express.js
- Fastify
- NestJS
- RESTful APIs
- GraphQL
- PostgreSQL
- MySQL
- MongoDB
- Redis
- Kafka
- RabbitMQ
- SQS
- Docker
- Kubernetes
- AWS ECS
- OAuth2
- JWT
- RBAC
- AWS
- GCP
- Azure
- AWS Lambda
- Google Cloud Functions
- Prometheus
- Grafana
- Datadog
- OpenTelemetry
- Jest
- Mocha
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Published 3 hours ago
Expires 1 month from now
3 views · 0 interested
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Passa
London