Senior Java/Kotlin Developer

🪐 Discover our galaxy

Join the Future of Work ! Malt is Europe's leading freelance marketplace, connecting over 1,000,000 talented freelancers with 100,000+ companies. Founded in 2013, we're transforming how work gets done through our tech-powered, human-centered platform. What makes us different:

• A diverse team of 600 Malters across 6 European countries
• A culture that champions equality (50% of our Comex are women) and inclusive growth
• Backed by top investors including ISAI, Serena Capital, Eurazeo Growth, Goldman Sachs, and BPI
• A mission to give everyone the freedom to work differently

Ready to help shape the future of work? Your next chapter starts here! 🪐

Key responsibilities ✨: Collaborative Product Leadership: You'll establish a strong partnership with Product Managers and Designers to translate user needs into innovative technical reality. You thrive in the creative process, confidently challenging ideas and co-creating elegant solutions that directly solve end-users problems. Take the lead : You’ll own your features end-to-end. From first sketch to release (and beyond). You’re empowered to make decisions and trusted to do what’s right for the product. Build smart, ship fast : We deploy to production around 70 times a week. You’ll help us keep that rhythm by balancing speed, quality, and business impact. Be a partner : You bring strong opinions, backed by experience, and you’re not afraid to challenge the status quo when it makes sense. AI-Augmented Craft: You are curious about (or already using) tools like Cursor, Gemini or Claude Code . You see AI as a pair-programming partner that accelerates delivery while you maintain the "human-in-the-loop" for quality and strategy. Knowledge Multiplier: As a senior, you’ll help the team navigate this new AI landscape. You’ll share best practices on prompt engineering, AI-driven refactoring, and maintaining a high "quality bar" in an automated world.

Our Tech Stack: Frontend : TypeScript, Vue.js, Nuxt, Internal Design System , Stencil.js Backend: Kotlin, Java Spring Boot, Gradle, PostgreSQL, MongoDB, Elasticsearch, RabbitMQ, Redis Platform : Google Cloud Platform, Kubernetes, Terraform, ArgoCD, Gitlab CI The AI Toolkit : We empower our devs with modern AI coding assistants and are building internal workflows and investigating as many uses as possible (docs, unit tests, migrations) Data : BigQuery, dbt, Looker, Spark, Python

About you 🧑‍🚀: Bring 6+ years of professional software development experience, including a first role within a product company (SaaS, fintech, marketplace, etc.) Demonstrate deep proficiency in Java or Kotlin , with confidence in navigating complex backend architectures, APIs, and data models. Product-First Champion : You think beyond the code, driven by curiosity about the user's "why." You proactively propose improvements and champion end-to-end feature ownership from conception to delivery. Pragmatic Architect : You drive architectural decisions, lev