Senior Backend Engineer

Join the Sleep Fitness Movement At Eight Sleep, we’re on a mission to fuel human potential through optimal sleep. As the world’s first sleep fitness company, we’re redefining what it means to be well-rested and building the most advanced hardware, software, and AI technology to make it possible. Our products power peak mental, physical, and emotional...

Satispay is seeking a Backend Engineer in the Core Team to build and maintain the backbone of our payment platform. You’ll contribute to sensitive systems and help scale services across product teams.You will work with Java/Spring Boot, focus on reliability, and collaborate on risk, fraud, and bank integrations in an AI-powered environment. Hybrid work is...

Satispay is seeking a Lead Backend Engineer for the Consumer Growth team. You will shape technical direction, own complex services, and collaborate across teams to deliver scalable payments, identity, loyalty, and engagement features.You will mentor engineers, drive high engineering standards, and own end‑to‑end delivery from design through production,...

Job-ID: 4a6f f2-4854-b038-3fba8302f9cfLocation: Stockholm; MilanSalary: - SEKType: Full timePosted: Contact: You'll Do Develop, operate and maintain Klarna's shared Kafka clusters — ~150 nodes, 60 MiB/s ingestion, 120 MiB/s output, 125 TiB stored. Lead the design and implementation of core data streaming systems using Kafka, AWS, Iceberg, ECS, and...

Moneyfarm is seeking a Senior Backend Engineer to own complex backend services in the Partners B2B platform. You will design, implement, and deploy API integrations with partner banks and other providers, while guiding technical streams and architectural decisions. You will collaborate with Product, Design, and Business teams, mentoring junior engineers and...

Qonto is seeking a Backend Engineer in Milan to build financial infrastructure for 600,000+ SMEs across Europe. You'll design, implement, and maintain scalable services that process real transactions in real time with high reliability.You will co-own service architecture, mentor engineers, and drive continuous improvement. Our stack includes Go, Ruby,...

Eight Sleep in Milano is seeking an experienced Senior Software Engineer to help expand product features and scale distributed systems across embedded, ML, mobile, and BI. We value design, implementation, and support of scalable backend services to enhance the member experience.You will work on data pipelines, distributed systems, and cloud-based services...

MotorK Ultra, an elite unit within MotorK, is assembling exceptional engineers across Europe to tackle genuinely hard problems. We prize independence, rapid execution, and a strong AI-driven approach as we scale automotive SaaS workloads for 10,000+ dealerships.We offer a hybrid setup, a base salary starting around €80,000/year, and extensive leave and...

Duferco's Corporate Innovation Team seeks an experienced backend engineer to design and build scalable Python services, specialize in FastAPI, and own data and analytics pipelines. You will work across energy, trading, logistics, and other domains, delivering AI-enabled automation and robust backend infrastructure.We value ownership, fast iteration,...