Backend Engineer

pJoin a fintech scale-up that just raised €10 million in Series A funding, with a proven product, strong market momentum, and a front-row seat to shaping the future of compliance. /ppAt Harmoney, you'll work on a product trusted by organizations such as Belfius, Baloise, AG Insurance, and Swiss Life. More importantly, you'll join a team that's ambitious, supportive, and genuinely enjoys building great things together. /ppAs a Backend Engineer, you'll design, build, and evolve the cloud-native services that power our platform. You'll work on complex engineering challenges, collaborate closely with Product and fellow engineers, and have the autonomy to shape scalable solutions from design through deployment. /ppYou'll play a key role in building the foundation of our platform. /ppFrom designing secure APIs and scalable backend services to improving performance and code quality, you'll help create software that thousands of professionals rely on every day. You'll also contribute to architectural decisions, code reviews, and AI-powered development workflows. /ph3What you'll do /h3ulliDesign, build, and maintain scalable backend services using Java /liliDevelop secure REST APIs and cloud-native features /liliTranslate product requirements into clean, maintainable software /liliDesign and optimise database models and SQL queries /liliPerform code reviews and contribute to engineering best practices /liliCollaborate closely with Product and Engineering to deliver high-quality features /liliLeverage AI tools to improve development speed, quality, and efficiency /liliContinuously improve the performance, scalability, and reliability of our platform /li /ulh3You'll thrive in this role if you... /h3ulliHave 3+ years of experience building enterprise applications in Java /liliHave strong experience with relational databases and SQL /li liKnow how to design and build secure REST APIs /liliEnjoy real ownership and autonomy from day one /liliEnjoy solving complex technical challenges and thinking about scalability /liliAre a collaborative engineer who enjoys sharing knowledge through code reviews /liliCommunicate clearly and enjoy working closely with teammates /li /ulh3Nice to have /h3ulliFluency in Dutch is a plus /liliExperience with Quarkus or similar modern Java frameworks /liliFamiliarity with frontend technologies such as Angular /liliExperience working with cloud-native architectures or distributed systems /liliExperience using AI tools to improve software development workflows /liliA flat, down-to-earth culture with approachable leadership, real ownership, and plenty of room to make an impact /liliAn intellectually challenging environment where you work with a modern tech stack and solve complex, real-world problems /liliBecome part of a warm, inclusive, and energetic team that enjoys learning from each other /liliGreat package: competitive salary + a wide range of benefits including company car/mobility budget, net allowance, pension plan, hospitalisation group insurance, meal eco vouchers, smartphone budget, phone subscription and 32 days of annual leave /liliFlexible remote working based on trust, open communication and client/company/team needs /liliLong-term freelance collaboration also possible /li /ul