Software Engineer Java

Software Engineer Java – Mirakl Labs

As a Software Engineer Java in the Mirakl Labs product teams, your main mission is to design, develop and deploy new business features proposed by the Product Manager. You will implement these features across all layers of our applications, from interfaces (UI or REST API) through the business layer to the creation of database schemas and scripts. You are a key player in ensuring both the business consistency of the product and its technical stability.

Responsibilities

• Build, test, and ship to production through continuous delivery.
• Harness AI‑powered tools like Claude Code, Codex, and Cursor to move faster.
• Join design sessions alongside a team of 5 developers, the Product Manager, and UX/UI designers.
• Shape technical decisions that drive the product forward.
• Sharpen code quality through reviews and pair programming.
• Own what you build—monitor and debug production issues end to end.
• Take part in stand‑ups, sprint reviews, and retrospectives.
• Help define the next quarter's labs roadmap.
• Drive continuous improvement in how the team develops software.
• Track the real‑world impact of your features: business cycles, adoption, usage.

Qualifications

• At least 5 years of experience with Java and Spring.
• Genuine curiosity and pragmatism about AI, believing it’s reshaping how developers work.
• Eager to work on web‑scale challenges and distributed architectures.
• Deep care for clean, well‑crafted code.
• Desire for a real voice in technical decisions, not just a seat at the table.
• Thrives in fast‑paced, demanding environments where growth happens weekly.
• Hungry to learn and sharpen craft.
• Fluent in French and comfortable working in professional English.

Tech Stack

Java 21 (planned migration to 25), Spring Boot, Kafka, React/Redux, PostgreSQL, Elasticsearch, Go, Docker, Kubernetes, AWS, Google Cloud.

Location & Contract

Permanent contract, based in Paris, with up to one day of remote work per week. 95% of our tech teams are based in France and 99% speak French.