Senior Backend Engineer — Remote, Node.js & AWS

Jobgether; France; Remote; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Health insurance

Well‑being support

Sports benefits

Learning budget

Paid vacation

Paid sick leave

Public holidays

Remote working

Integrated team experience

Long-term collaboration

Team connection

Job summary

Jobgether is seeking a Senior Backend Engineer in France to strengthen our backend infrastructure for a mobile-first platform. You will own complex technical challenges, developing scalable services with Node.js, NestJS, TypeScript, and AWS, and building resilient APIs supporting a growing user base.

Work closely with Product and QA, contribute to real-time features via WebSockets, and drive observability and test coverage.

Qualifications

• 5+ years of backend development experience in Node.js.
• Strong TypeScript proficiency.
• Experience building APIs with NestJS using GraphQL/REST.
• Knowledge of event‑driven architectures and NoSQL databases.
• Hands-on AWS experience (ECS, DynamoDB, SQS).
• Experience with real-time features via WebSockets.
• Familiarity with observability tools (Sentry, Datadog, CloudWatch).
• Fluent English and collaboration skills.

Responsibilities

• Design, develop, and deploy scalable backend services using cloud-first architectures.
• Investigate and troubleshoot complex backend issues and define resolution paths.
• Optimize performance, reliability, and data integrity at scale.
• Build well-documented APIs with NestJS, GraphQL, and REST.
• Develop real-time features with WebSockets.
• Collaborate with Product and QA to deliver high-quality features.
• Write unit and integration tests for code quality.
• Apply observability and monitoring to improve resilience.

Skills

Node.js

TypeScript

NestJS

GraphQL

REST API

WebSockets

AWS

Distributed systems

Observability

Unit testing

Tools

Terraform

Apollo

Firebase

CloudWatch

Job description

Jobgether is seeking a Senior Backend Engineer in France to strengthen our backend infrastructure for a mobile-first platform. You will own complex technical challenges, developing scalable services with Node.js, NestJS, TypeScript, and AWS, and building resilient APIs supporting a growing user base.

Work closely with Product and QA, contribute to real-time features via WebSockets, and drive observability and test coverage.