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# Software Engineer - Front

- **Company:** sunday
- **Location:** Paris, France (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Software Engineering, Software Factory, Working Model 2D, Backend, Agentic-AI, Kotlin, Front End Software Development, Software Coding
- **Published:** October 17, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=b19c3d1684dcd492

## About the Role

* Several years of full-stack development experience, with strong hands-on expertise in Kotlin on the backend and React.js on the frontend.
 * Proven experience deploying and operating high-load services in production.
 * Hands-on experience writing code with AI agents or AI-assisted development tools.
 * The ability to reason about architecture, reliability, and technical trade-offs.
 * Strong business acumen: you understand the impact of your decisions and know how to prioritize what truly matters.
 * Fluency in both French and English, spoken and written.

What will set you apart:

 * Strong ownership: you tackle problems head-on rather than waiting for permission.
 * An entrepreneurial mindset, strong adaptability, and a willingness to thrive in ambiguous environments.
 * Independent thinking: you know how to reframe problems and find simple, original, evidence-based solutions.
 * A strong focus on impact, with the ability to make clear trade-offs and apply the 80/20 principle.
 * Positive energy, a collaborative mindset, and a desire to help the entire team succeed beyond your own scope.
 * Intellectual curiosity, the ability to learn quickly, and a genuine desire to keep improving.

## Description

You will report to Nicolas and join the Tech team. You will take ownership of complex technical challenges, make the right trade-offs between speed, simplicity, and robustness, and directly contribute to building services capable of handling high loads., * Design and deliver high-quality full-stack features, from Kotlin backend services to React.js frontend applications.

 * Write code using AI agents and help build a true agentic software factory.
 * Take ownership of complex topics related to software design, architecture, and service reliability.
 * Design solutions capable of running in production at scale.
 * Continuously improve development practices and Engineering team efficiency through agentic AI.
 * Make pragmatic technical decisions, taking business impact, simplicity, and execution speed into account.
 * Share your standards, learnings, and technical convictions to help the team grow.