26,989 Backend jobs
Server-side engineering roles — APIs, services, databases and backend systems.
Python Backend Engineer for High-Performance FinTech
Backend Python engineer at Hunter Bond in London building robust, scalable backend systems and Python APIs for trading and operations. Day to day involves working on distributed services, data pipelines, and high-uptime applications alongside traders and engineers in a fintech setting.
Backend Engineer (Python) for TimeKeeper Platform
Backend engineer strengthening the TimeKeeper platform at Bright Software Group in Leamington Spa, working primarily in Python (Flask) to build services, APIs and data models, with automated testing, code review and infrastructure work using AWS, Terraform and Redis.
Backend Engineer – Python, AWS, Microservices | Hybrid
Mid-senior backend engineer at eFinancialCareers in Central London designing scalable Python services and cloud-native applications on AWS in a microservices environment. Day to day includes architecture work, code reviews, and mentoring peers, with hybrid working and a strong pension and benefits package.
Cloud Security Backend Engineer (Go/Java) – Hybrid
Backend engineer at Ocho in Belfast owning the end-to-end backend lifecycle for an enterprise cloud security platform, working in Go/Java alongside DevOps and Security teams. Hybrid role with three onsite days per week in Belfast.
Staff Backend Engineer
Staff Backend Engineer at Altium in Cambridge designing, building and maintaining the federated Altium Platform API, gateway service, SDKs and developer center that help customers adopt its electronics-design platform. Services are built with C# (preferred), Python and Go, alongside cloud, Kubernetes and REST/GraphQL.
Backend Engineer, Global Platform (Hybrid)
Backend Software Engineer on SevenRooms' DashOS platform (now part of DoorDash), based in London (hybrid). You'll own end-to-end features for high-performance, highly available services powering restaurant reservations, guest CRM, and omnichannel experiences, using Python as the primary language and Rust for performance-critical components.
ICC Systems Software Engineer (Backend/Frontend) – NATO Secret
Builds Integrated Command and Control (ICC) defense capability for NATO-related work packages: designing data schemas, developing server-side logic, modernizing legacy code, and turning UI/UX designs into responsive web apps. Core stack is Java, Python, SQL, Linux, Git and CI/CD; NATO Secret clearance is required.
Senior Backend Engineer - Node.js/TypeScript, AWS
Medior/Senior backend developer (hired via Doghouse Recruitment for a media client in Hilversum) who designs, builds, and maintains backend services powering multimedia features on high-traffic platforms. Core stack: Node.js, TypeScript, and a fully serverless AWS environment.
Lead Backend Engineer, Service Standards
Lead Backend Engineer on Vinted's Service Standards team, defining how backend services are built, deployed, and operated at scale. Day to day: set architectural direction and best practices, guide engineers across domains, and work with platform and observability teams to improve developer experience and reliability.
Software Engineer, Back-End (Superhuman Mail) - Latin America
We are only able to consider candidates based in Argentina, Brazil, and Mexico . For candidates based in these countries, Superhuman offers a fully remote working model for this particular role on the Mail team. This…
Senior Avaloq Developer — Java Backend & Kafka (Hybrid)
Senior Avaloq developer role in Zürich: parameterize and extend the Avaloq core banking platform for investments and pensions, develop Java backends and Kafka interfaces, and support ongoing operations in an agile DevOps team using Scrum/SAFe. Hybrid work within Switzerland.
Java Backend Developer - Global Growth & Impact
Decskill, a Portuguese IT consultancy with 10+ years of experience, seeks a Java Backend Developer for its Lisbon/Porto teams to design and implement backend services using Java, Spring Boot, and Oracle SQL, while contributing to architecture, testing, DevOps practices, and production support in an international context.
Java backend developer in enterprise applications
Decskill, a Portugal-based IT consulting firm, is hiring a Java backend developer to design, develop, test, deploy, and support enterprise applications for client projects. The core stack includes Java, Spring Boot, Oracle SQL, Linux/shell scripting, DevOps/CI-CD, and automated testing in Agile teams.
Senior Backend Developer Java (AEM)
Senior Java backend developer in Lisbon (hybrid) building and evolving large institutional websites and platforms integrated with Adobe Experience Manager and Adobe Target. Work covers SOAP/REST APIs, microservices and cloud SaaS architecture, plus AI-assisted development using tools like GitHub Copilot.
Java backend developer in automotive IoT
Java backend developer (L2/L3) at IT consultancy Decskill, building and operating cloud-native microservices for automotive IoT — near-vehicle services for trucks — using Spring Boot/Kotlin, RESTful APIs, event streaming (Kafka/MQTT), containers/serverless and AWS, with end-to-end agile DevOps ownership.
Java/Scala Backend Developer w/FR
Backend developer at IT consultancy Aubay Portugal, building and evolving critical systems for large banking, insurance, telecom and energy clients. Day to day: Scala/Play and Java REST backend services with some React/Angular, testing, code reviews, CI/CD and Kubernetes/Docker deployments in an Agile Scrum team; hybrid from Lisbon.
Java Backend Developer (Junior/Mid) – Hybrid Lisbon, Global Team
Junior/mid Java Backend Developer at act digital in Lisbon (hybrid), building and maintaining Java microservices and RESTful/GraphQL APIs for Checkout, MyAccount, and ODR Processing systems in a luxury retail context, alongside senior engineers with a structured upskilling program.