ppbE-Frontiers /b – We help top tech talent find opportunities in leading product and scale‑up companies across Europe. We make sure candidates have a great experience and get the information they need to make the best career decisions. /p pWe are currently working with a bfast‑growing international fintech /b, seeking a bSenior Backend Engineer /b to join their core systems team. This is a key role where you’ll work on the platform’s multi‑currency accounting and FX systems – the backbone of the product. /p h3What you’ll do: /h3 ul liDevelop and maintain scalable, reliable backend systems that power key financial operations. /li liDesign new services and improve existing ones, tackling both microservices and legacy code. /li liCollaborate with product and engineering teams to deliver initiatives end-to-end. /li liMentor colleagues and contribute to the overall technical growth of the team. /li liTake full ownership of the services you build,



from development to maintenance. /li /ul h3What they offer: /h3 ul liCompetitive salary and performance-based bonus /li liPrivate health insurance /li liBudget for training and certifications /li liOpen‑source‑friendly culture /li liHybrid model: 4 days in the office, 1 remote /li /ul h3Your profile: /h3 ul liStrong experience building complex backend systems (Python preferred, other OOP languages also welcome) /li liExperience in fintech, banking, or regulated environments is highly valued /li liComfortable working with legacy code and improving it over time /li liStrong knowledge of APIs, integration, monitoring, and alerting /li liExcellent communication skills in English (international team) /li liOwnership mindset and responsibility over production systems /li /ul /p #J-18808-Ljbffr

📌 Senior Backend Engineer (Python or OOP) (Madrid)
🏢 E-Frontiers
📍 Madrid