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Mobile Tech People

Senior Backend Developer – Node.js, NestJS, Express

Mobile Tech People

. Analyze business requirements and contribute to the design of technical solutions .

Posted 10/18/2026contractParis • FranceSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive expertise in backend JavaScript development, focusing on performance, maintainability, and software quality. Proficient in Agile methodologies and capable of independently designing and implementing technical solutions.

Highest-signal resume keywords
Backend JavaScript DevelopmentNode.jsNestJSDockerAgile Methodologies

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Object-Oriented ArchitectureSOLID PrinciplesDesign PatternsUnit TestingIntegration TestingTDDCode RefactoringPerformance OptimizationTechnical DocumentationAsynchronous Processing
Soft Skills
Knowledge SharingIndependent WorkCollaboration
Tools & Technologies
ExpressRabbitMQVarnishRedisMemcachedGitJestVitest
Industry Keywords
Digital MediaWeb ApplicationsSoftware Quality

Tech Stack

Tools & technologies
DockerJavaScriptJestNode.jsRabbitMQRedis

About the role

Key responsibilities & impact
  • Analyze business requirements and contribute to the design of technical solutions
  • Design and develop new backend features
  • Provide corrective and evolutionary maintenance for existing applications
  • Refactor and optimize code for quality, readability, and performance
  • Develop and maintain unit and integration tests
  • Participate in code reviews and improve best practices
  • Write technical documentation and share knowledge
  • Participate in Agile ceremonies
  • Work within a digital and media company on web applications with demanding performance, maintainability, and software quality requirements

Requirements

What you’ll need
  • More than 5 years of significant experience in comparable backend development
  • Proven technical expertise in backend JavaScript
  • Ability to work independently on existing applications and new features
  • Strong commitment to software quality, performance, and maintainability
  • Ability to work in an Agile team and share knowledge
  • Node.js 24, NestJS, Express 4+
  • RabbitMQ and asynchronous processing
  • Varnish: shared caching, TTL, Purge/Ban, invalidation
  • Redis, Memcached, or equivalent solutions
  • Object-oriented architecture, SOLID principles, and design patterns
  • Clean Architecture or Hexagonal Architecture
  • Jest / Vitest, unit testing, integration testing, and TDD
  • Docker and Git