backend software engineer

Your mission Build the backbone of intelligent energy systems. You'll develop backend systems that turn complex optimization algorithms into reliable, real-time decisions for industrial energy systems. From the core APIs of our optimization platform to integrations with energy management systems, you make sure our platform runs fast, stable and reliable....

About the Run & Grow:Run & Grow is where SumUp builds the platforms and capabilities that help merchants discover, join, use, and continue growing with our products. The tribe brings together engineering, product, design, and revenue operations teams around two connected goals: helping SumUp serve and retain merchants, and accelerating acquisition,...

DEINE MISSIONWe're building the next-generation backend that powers Germany's largest reusable-packaging network - a circular-economy deposit-return system live for almost 20.000 partner. It's a two-track hybrid modernisation (brown and greenfield), cloud-native, event-driven TypeScript platform that runs real-world operational logistics: partners,...

About MaesnWant to join a growing European startup early and be part of an epic journey?At Maesn we build software for other software companies. We provide an integration platform that lets B2B software companies add integrations to their platforms in hours and days instead of weeks and months. Our customers love us because we are innovative, quick, friendly...

Deine Rolle in einem Satz Du entwickelst und betreust die Backend-Services unserer Python-basierten IoT-Plattform, gestaltest Datenbankschemas und Qualitätsstandards mit und arbeitest eng mit den Produktteams zusammen. Deine Rolle bei uns Du übernimmst Verantwortung für Services und Schnittstellen unserer Plattform: vom sauberen Schema-Design in...

IntroDo you love traveling and are you ready for new challenges in an ambitious, fast-growing and committed company? Then you've come to the right place!Start your career with us as:Backend Engineer (m/f/x)  Your responsibilitiesTravelcircus is seeking an experienced (4+ years) Backend Engineer (m/f/x) to join the development team. We're looking for...

Deine Rolle in einem SatzDu entwickelst und betreust die Backend-Services unserer Python-basierten IoT-Plattform, gestaltest Datenbankschemas und Qualitätsstandards mit und arbeitest eng mit den Produktteams zusammen.Deine Rolle bei unsDu übernimmst Verantwortung für Services und Schnittstellen unserer Plattform: vom sauberen Schema-Design in PostgreSQL...

At SumUp, we empower small businesses with simple, affordable tools to start, run, and grow. Our Global Bank teams build the financial services that help merchants manage their money and keep their businesses moving. For merchants, a transfer should feel simple. Behind that experience is a complex network of payment schemes, banks, providers, messages,...

StellenbeschreibungEntwicklung der Recommendation Engine hinter den Homepage-, Produkt- und Outfit-Seiten von ABOUT YOU mit Node.js/TypeScriptBereitstellung offline trainierter ML-Modelle wie Matrix Factorization, Brand Similarity und Image Embeddings in Black-Friday-Skalierung über Valkey, DynamoDB und OpenSearchKonzeption und Umsetzung von...

Erfahrung: 3+ Jahre Praxis in der Backend-Entwicklung, idealerweise mit Go. Alternativ fundierte Kenntnisse in Java/Kotlin oder C# – mit Bereitschaft, Go zu lernen.Tech Stack:Go: Module, Error Handling, Goroutine-Lifecycle-Management, Context-Propagation, golangci-lintAPIs: REST (OpenAPI 3.x) und RabbitMQ/AsyncAPI; gRPC-Kenntnisse von VorteilContainer &...

Our mission and customers: We are creating the freedom for SMEs to succeed by delivering Europe's leading finance workspace with banking at its core, augmented by financial tools. We are proud to be rated 4.8 on Trustpilot, based on 55,000+ reviews. Our culture puts customer satisfaction at the core of what we do, as proven by our Net Promoter Score of 75...

About Maesn Want to join a growing European startup early and be part of an epic journey? At Maesn we build software for other software companies. We provide an integration platform that lets B2B software companies add integrations to their platforms in hours and days instead of weeks and months. Our customers love us because we are innovative, quick,...

Was Sie erwartet: • Verantwortung für unsere Datenplattform (Databricks), Pipelines, Kataloge und Berechtigungen, Deployment, Betrieb und Kosten • Bereitstellung von Maschinen- und Sensordaten für Analysen, das Kundenportal sowie weitere angebundene Unternehmenssysteme • Mitarbeit im Team an Messaging und Streaming (NATS, Kafka) sowie an der...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Staff Backend Engineer, Money Movement based in Germany. As a Staff Backend Engineer, you will lead the design and development of a new trust accounting platform that enables property managers to manage financial records and...

Als einer der größten Banken-IT-Dienstleister und Digitalisierungspartner Europas sind wir der Treiber der Digitalisierung innerhalb der Sparkassen-Finanzgruppe. Mit über 5.000 Mitarbeitenden an 3 Standorten machen wir digitales Banking von heute leistungsfähig und entwickeln smarte Finanz-Services von morgen. Dabei bieten wir ein breites...

About the team:You’ll join one of the teams within SumUp’s Identity Lifecycle Mission, working on some of the most critical building blocks behind the merchant journey, from onboarding and identity verification to KYC/KYB, regulatory data collection, and managing customer identity throughout the entire lifecycle.Today, many of these capabilities live...

Erfahrung: 3+ Jahre Praxis in der Backend-Entwicklung, idealerweise mit Go. Alternativ fundierte Kenntnisse in Java/Kotlin oder C# – mit Bereitschaft, Go zu lernen.Tech Stack:Go: Module, Error Handling, Goroutine-Lifecycle-Management, Context-Propagation, golangci-lintAPIs: REST (OpenAPI 3.x) und RabbitMQ/AsyncAPI; gRPC-Kenntnisse von VorteilContainer &...

Senior Backend Engineer, Shopping AgentsSage AI Labs · Berlin · Full-time · [Remote]About usSage AI Labs is building the infrastructure that lets AI agents transact on the open web. It is one of the few genuinely unsolved problems left in commerce, and whoever solves it sets the defaults everyone else builds on top of.The company was founded by Sebastian...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Backend Engineer - Payments & Fintech based in Germany.This is a high-impact backend engineering role focused on rebuilding and scaling the financial systems at the heart of a rapidly growing global platform. You will own...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Staff Backend Engineer, Money Movement based in Germany. As a Staff Backend Engineer, you will lead the design and development of a new trust accounting platform that enables property managers to manage financial records and funds...