Own the End-to-End Lifecycle: Design, build, test, and operate mission-critical consumer features—from technical design to production—using Java, Spring Boot, and PostgreSQL.
Build & Scale High-Impact Features: Develop and maintain core user functionalities such as BNPL ("Pay in 3"), Gift Cards, Mobile Top-ups, and Personal IBAN transfers.
Enhance Payments Mechanics: Improve the backend logic and reliability of budget mechanisms and scheduled top-ups, ensuring payment mechanics are clear and scalable.
Master a Modern Tech Stack: Take ownership of our AWS-based infrastructure (EC2/ECS, S3, Lambda, Kinesis) and drive architectural improvements across microservices.
Work in an AI-Powered Environment: Leverage AI tools daily to write and optimize code, speed up root cause analysis, and generate documentation to raise engineering efficiency.
Solve Complex & Ambiguous Problems: Turn vague user needs into scalable technical solutions, balancing delivery speed with technical quality and maintainability.
Collaborate & Lead Quality: Work cross-functionally with Product and UX/UI teams while contributing to code reviews and refactoring initiatives to promote best practices.
Drive System Reliability: Debug complex issues across services and investigate production incidents to continuously improve system health.

Experience: You have at least 3 years of experience as a Backend Engineer in fast-paced environments, with a strong track record of building and maintaining scalable microservices.
Technical Foundations: Solid expertise in Java & Spring Boot, with exposure to cloud environments (AWS is a plus) and relational databases.
User Focus: You care deeply about performance, reliability, and clean business logic to ensure a high-quality product.
Teamwork and Communication: You excel at cross-functional collaboration and can communicate complex technical ideas clearly to both technical and non-technical peers.
Language proficiency: You are passionate about FinTech and/or startup environments and are fluent in English.

❤️ Health (Private insurance for you and your family, psychological support with Serenis, mental health workshops)
💰 Financial resources (Stock Option Plan, Meal vouchers, Relocation support if you're moving countries)
⚙️ Growth and development (Professional development programs, Internal mobility, Language courses with Preply)
🌱 Flexibility (Unlimited PTO, Hybrid working policy*, Flexible working hours)
👨‍👩‍👧 Family (Enhanced parental leave, Additional leave for child sickness)

Software Engineer, Backend – Consumer Features

Key skills