Back-end Developer · Mid / Senior

Novatraqr; Paris; On-site; EUR 45,000 - 70,000; Full time

Job summary

Novatraqr Sàrl is looking for a skilled back-end developer to design, evolve, and operate distributed event-driven systems using AWS serverless technologies. The role involves developing robust back-end services and building APIs on a Node.js, NestJS, and TypeScript foundation.

Key responsibilities include ensuring system reliability and scalability while contributing to code quality. Strong experience in Node.js and AWS, with knowledge of the finance or life insurance sector, is highly appreciated.

Qualifications

• Strong back-end experience with Node.js.
• Good command of TypeScript and NestJS.
• Production experience on AWS, ideally serverless.

Responsibilities

• Develop robust back-end services in Node.js / NestJS / TypeScript.
• Design micro-service and event-driven serverless architectures on AWS.
• Build APIs and async processing (Lambda, API Gateway, SQS, EventBridge).
• Ensure reliability, scalability, resilience and observability.

Skills

Node.js

TypeScript

NestJS

AWS

Event-driven architecture

Job description

Design, evolve and operate distributed event-driven systems on AWS serverless, on demanding micro-service architectures.

Stack: AWS Lambda, SQS, EventBridge, API Gateway and Cognito, on a Node.js / NestJS / TypeScript foundation.

Missions

• Develop robust back-end services in Node.js / NestJS / TypeScript.
• Design micro-service and event-driven serverless architectures on AWS.
• Build APIs and async processing (Lambda, API Gateway, SQS, EventBridge).
• Ensure reliability, scalability, resilience and observability.
• Contribute to code quality and participate in production incident resolution.
• Push proposals on performance, costs and maintainability.

Profil

• Strong back-end experience with Node.js.
• Good TypeScript and NestJS command.
• Production experience on AWS, ideally serverless.
• Solid grasp of distributed architectures (event-sourcing, eventual consistency, observability).
• Finance / life insurance sector knowledge appreciated.