Passa
Senior JavaScript Engineer (Backend / Node.js)
Get notified of more jobs like this · No spam, ever
How your CV stacks up
Upload your CV to see how well it fits this job role
?%
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. The ideal candidate is experienced in distributed systems, cloud architecture, and modern JavaScript tooling, with a strong emphasis on performance, reliability, and security.
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.
Reasons to use Rodeo
Start with a chat, not a search bar
Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.
It searches the market for you
Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
Must-have capabilities
- 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.
Nice-to-have capabilities
Get help with your application
Your very own career expert that helps elevate your application to the next level.
- Experience with TypeScript at scale.
- Hands-on knowledge of cloud platforms (AWS, GCP, or Azure).
- Experience with serverless technologies (AWS Lambda, Cloud Functions).
- Familiarity with monitoring tools like Prometheus, Grafana, Datadog, or OpenTelemetry.
- Background in high-throughput or low-latency systems.
- Experience implementing automated testing using Jest, Mocha, or similar frameworks.
- Excellent problem-solving and debugging skills.
- Strong communication and cross-functional collaboration abilities.
- Leadership mindset and ability to influence technical decisions.
- High ownership, accountability, and attention to detail.
- Ability to thrive in fast-paced and evolving environments.
How to Apply
Click apply and complete your profile to be considered.
Passa Link: https://joinpassa.com/roles/3a6ea43642e75e28
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
Jessica, London
Skills
Location