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Senior .NET Backend Engineer — Cloud Microservices
Senior engineer at 8x8 designing and building high-throughput RESTful APIs and backend microservices for a global messaging platform — optimizing performance, writing unit/integration tests, and aligning requirements with product teams. Core stack: C#/.NET Core, cloud, CI/CD, and distributed systems.
Software Engineer Backend And API Services Architect
Software Engineer at General Milling Corporation (Philippines) managing the full SDLC — designing, developing, and maintaining scalable backend services and APIs using Java, REST/SOAP web services, and relational and NoSQL databases. Suited to candidates with 1–3 years' experience and strong OOP and design-pattern fundamentals.
Staff Backend Engineer - Cloud Alerting Lead (Remote UK)
Staff backend engineer on Grafana Labs' Alerting squad, scaling alerting infrastructure and integrating it with Grafana Cloud across two products, with emphasis on reliability and performance. Fully remote within the UK and includes on-call duties; salary GBP 103,958–124,750.
Contract Senior Java Backend Engineer | Spring Boot, Hybrid (Telford)
6-month contract role for a senior Java backend engineer in Telford (hybrid, 2 days onsite), redeveloping legacy systems with a focus on backend Java services, test coverage, and reliable delivery. Core stack is Java with Spring Boot; JUnit is highly desirable, with bonus credit for JPA, AWS, GitLab, and OpenAPI.
Senior Backend Engineer: Java/Kotlin, Spring Boot & Kafka
Senior backend engineer at Cisco ThousandEyes building and scaling Java/Kotlin Spring Boot services with Kafka to ingest, analyze, and store endpoint data in distributed, event-driven architectures, including cloud networking work and on-call incident response.
Remote .NET Backend Engineer | APIs & Microservices
Mid-level .NET back-end engineer designing, building, and maintaining server-side applications and microservices for OneOcean's maritime software products, implementing RESTful and GraphQL APIs with Clean Architecture and EF Core in an Agile team. Remote within the UK.
Senior Backend Engineer | Java/Spring in Azure Cloud
Kura is hiring a Senior Backend Engineer for an Agri-tech Software Lab to design, build, and evolve Spring-based backend services deployed in Azure. The role involves architecture decisions (microservices vs modular monoliths), cloud-native delivery, and collaborating with data and platform teams on scalable integrations.
Lead Go Backend Engineer - Microservices, Hybrid London
Design, build and maintain scalable Go backend systems used by millions of users, working on RESTful APIs, microservices and distributed systems with product and engineering teams. Hybrid role in Central London (one office visit every two weeks) paying around £75,000 plus benefits.
Senior Lead Backend Engineer - Global KYC & Onboarding
Staff Backend Engineer (IC4) at Wise on the Global KYC & Onboarding squad: shaping architecture for verification services, refactoring microservices, and improving automation and reliability of a configuration-driven onboarding platform, while mentoring engineers in a globally distributed, cross-functional team.
Senior Backend Engineer (PHP/Python) — Scalable SaaS
Senior backend engineer in Leeds owning and evolving scalable PHP/Python services: designing and leading API development, driving architectural decisions, mentoring engineers, and working with product and QA to deliver high-impact SaaS platform features.
Staff Backend Engineer — Platform API & SDKs
Altium is hiring a Staff Backend Engineer in Cambridge, UK to design, implement and maintain its federated Platform API and gateway services, building APIs, SDKs and MCP servers that enable automation and access for users and AI clients across its electronics-industry platform.
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.