8,615 Senior Backend jobs
Senior backend engineering roles owning server-side systems and APIs.
Senior TypeScript/Node Backend Engineer (AWS) — Remote UK
Build and scale backend services in TypeScript and Node.js on AWS for an ecommerce-focused customer experience platform. A fully remote UK senior role with emphasis on backend/platform engineering; React is a nice-to-have.
Senior Java Backend Engineer - GCP Microservices, Hybrid
Contract Java backend role (6+ months, hybrid with 2 days a week in the Manchester office) building cloud-native solutions: Spring Boot microservices on GCP with Kafka, Docker/Kubernetes, and CI/CD in an Agile team.
Senior Backend Developer
Senior backend developer at Cresset, a scientific software company, building drug-discovery cloud services, REST APIs and web applications in Python (FastAPI, Django) deployed with Docker on AWS. Day-to-day involves owning projects, making architectural decisions, mentoring developers and collaborating with DevOps in a hybrid role in Melbourn, UK.
Senior Backend Developer - AI-Driven Cloud Services
Senior Backend Developer at Cresset building drug discovery cloud services, REST APIs and web applications with Python (FastAPI, Django). The role owns complex projects, guides architecture, works with DevOps in a hybrid setting, and emphasizes testing, CI/CD, documentation, mentoring and stakeholder communication.
Senior Backend Java Developer — Hybrid, Finance Tech
Backend Java developer on Citi's Technology team in Belfast, contributing to development activities and end-to-end lifecycle ownership across the bank's finance systems. Hybrid role (up to 2 days from home), open at AVP to SVP level.
Senior Backend Engineer – Real Estate Tech, Flexible Hours
Senior backend engineer at Walker & Dunlop shaping its Loan Origination and Servicing platform: designing, implementing, and maintaining scalable, high-performance backend services and workflows. Core stack is Python, FastAPI, Vue.js, and containerized deployments on AWS, with flexible hours.
Senior AI-Driven Backend Engineer (Remote)
Senior backend engineer at TriFact365, a fast-growing FinTech that automates invoice processing for thousands of European businesses. You advance the cloud back-end, use AI agents to boost output, and critically review AI results within a DevOps-driven team.
Senior PHP Laravel Backend Engineer – Hybrid & Remote
Backend engineer building and improving a scalable platform that automates legal claims at Ngage IT in Amsterdam, working in a small team with freedom over technical choices and architecture. Core stack: PHP 8.5, Laravel, Redis, MySQL on AWS, deployed via CI/CD in GitHub Actions.
Senior Backend Engineer - Health Tech (Kotlin/Python)
Senior backend engineer building cloud-native services in Kotlin and Python for Evondos's medication management platform. Owns features end-to-end—from development and code review to production monitoring—within an international Scrum team, working hybrid from the Zoetermeer office with colleagues in Finland.
Senior Backend Engineer – Domain‑Driven ROB Platform
Nederlandse Spoorwegen (the Dutch national railway) is hiring a senior backend engineer to help rebuild its Regie Op Berichten (ROB) platform. Day to day you model a complex domain and build microservices with hexagonal architecture, tests and ops instrumentation in a DevOps team, using Azure resources like Service Bus and Cosmos DB.
Senior Java Backend Engineer - Payments
Senior Java backend engineer role focused on payments, based in the Netherlands. The posting body contains no substantive detail, so day-to-day responsibilities and the tech stack beyond Java are not specified.
Senior Backend Engineer - Domain-Driven Microservices
Impact Vandaag seeks a senior backend developer to rebuild the Regie op Berichten (ROB) platform for Dutch railway operator NS in Utrecht. Day to day: building C#/.NET microservices, designing REST APIs, and implementing domain events with Azure Service Bus in a DevOps team focused on quality, observability, and recoverability.
Senior Blockchain Backend Engineer
Senior backend engineer at Avance Consulting in Amsterdam designing and building enterprise-grade Java/Kotlin (Spring Boot) APIs and microservices for digital asset products. Day to day: agile cross-functional work on blockchain platform integrations and SaaS solutions with a focus on security, reliability, and scalability.
Senior .NET Backend Developer – Hybrid, Microservices
Sterksen is seconding (detachering) a senior .NET backend developer to a client team in Utrecht, hybrid. Day to day: designing, building and maintaining cloud-native microservices with .NET, OpenShift and Azure DevOps in a DevOps team, integrating with external parties while upholding privacy and security standards.
Senior Backend Developer – Domein-Driven Berichtensysteem
Backend developer at Nederlandse Spoorwegen (Dutch national railway) building domain-driven C#/.NET microservices for ROB, a multichannel messaging service for employees. Involves Azure Service Bus integration, guarding bounded contexts, testing, and working in a DevOps culture with CI/CD.