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Metyis Logo Metyis · IT - Software Development

Senior Fullstack Engineer

France, Paris · Job Posted February 24, 2026
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Job Description

The next step of your career starts here, where you can bring your own unique mix of skills and perspectives to a fast-growing team. Metyis is a global and forward-thinking firm operating across a wide range of industries, developing and delivering AI & Data, Digital Commerce, Marketing & Design solutions and Advisory services. At Metyis, our long-term partnership model brings long-lasting impact and growth to our business partners and clients through extensive execution capabilities. With our team, you can experience a collaborative environment with highly skilled multidisciplinary experts, where everyone has room to build bigger and bolder ideas. Being part of Metyis means you can speak your mind and be creative with your knowledge. Imagine the things you can achieve with a team that encourages you to be the best version of yourself. We are Metyis. Partners for Impact.

Job Responsibility

  • Design, develop, test, review and deploy software following best practices for coding, documentation, testing, data privacy, and security
  • Optimize existing code for performance, reliability, and scalability
  • Debug and troubleshoot issues and provide technical support as needed
  • Mentor and provide technical guidance to other developers, fostering a culture of knowledge sharing and continuous learning
  • Research and evaluate new technologies and trends to improve existing software or create new solutions
  • Design software architecture adapted to each project (APIs, web apps and mobile apps)

Requirements

  • From 3 to 8 years of backend development using Python, JavaScript/TypeScript,SQL
  • From 3 to 8 years of frontend development using modern stacks
  • Strong knowledge of cloud technology (Azure, AWS, or GCP)
  • Experience with test-driven development and testing frameworks
  • Experience with REST and GraphQL APIs
  • Strong knowledge of software design patterns & principles, functional programming, and object-oriented programming
  • Strong ability to write clean, maintainable and scalable code
  • Experience with asynchronous communication technologies such as Kafka, RabbitMQ, Redis Pub/Sub, or similar message brokers
  • Experience with containerization and orchestration technologies such as Docker or Kubernetes
  • Experience working on projects managed with infrastructure as code
  • Fluent in French and advanced English
  • Experience with GitHub
  • Experience with agile methodologies such as Scrum or Kanban
  • Excellent communication, collaboration, and problem-solving skills

Nice to have

  • Experience with No-SQL databases such as MongoDB ,CassandraDB
  • Experience in generative AI tools (Claude Code, Cursor, GitHub Copilot, etc.)

What we offer

Competitive salary and benefits package, including training, mentorship, and travel opportunities

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