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Contract (outside IR35) SRE/DevOps engineer role via Venn Group, hybrid with 4 days on-site in 'the West' (UK) and 1 day from home. You automate, monitor and improve service reliability on AWS/Kubernetes, contribute to CI/CD and join on-call. Active eDV security clearance and UK nationality are mandatory.
Senior backend engineer on Aalyria's Spacetime team building a cloud-native platform that orchestrates 5G NTN (satellite) and Direct-to-Cell services, coordinating satellite operators with terrestrial networks. Day-to-day is distributed systems design in C++, Go, and Java using gRPC and Protocol Buffers, deployed on Kubernetes.
Sivara GmbH is hiring a backend engineer in Welwyn Garden City (hybrid) to design Java services with Spring Boot and take ownership of production systems' reliability. The role demands several years of Java experience, strong DevOps skills, and cloud familiarity, primarily with Microsoft Azure.
DevOps engineer at Iglu.com who designs, secures and automates the company's AWS cloud infrastructure, owning projects end-to-end from discovery to production. Core stack includes EC2, ECS/Fargate, S3, RDS, Snyk CSPM, TeamCity/Octopus Deploy CI/CD, and Terraform or CloudFormation.
Full Stack Developer building cloud-native applications for multi-agent (AI agent) systems — scalable backends, APIs and microservices, plus animated, chat-driven frontends. Core stack spans JavaScript/TypeScript, React/Vue, Node.js and Python frameworks on AWS/GCP/Azure with Docker, Kubernetes and Terraform.
Senior contract DevOps engineer supporting a large-scale Azure data platform for a UK public-sector programme: building CI/CD pipelines and toolchains, developing Azure Data Factory/Synapse/Data Lake services, and provisioning infra with Terraform. SC clearance required; role aligned to Newcastle or Leeds.
Network DevOps Engineer at MBDA UK's Digital Networks team, modernising network management through automated tooling: designing and maintaining Python software, CI/CD pipelines and Ansible playbooks to manage physical and virtual networks at scale. Hybrid role (2-3 days on-site) in Stevenage with salary up to £55,000 plus bonus.
Design, build, and maintain scalable Java-based backend systems for fintech products, developing REST APIs and microservices for payments, treasury, and transactions using Spring Boot and PostgreSQL. The role emphasizes clean code and TDD in a hyper-growth startup, working from the London office 3–4 days per week.
Backend Software Engineer building robust APIs and services for secure, mission-critical national security systems, with the opportunity to shape architecture. Works across the full backend stack in Java, Python, C++, C#, or Go from UK locations; active eDV clearance is required.
Senior backend engineer at Origin8tive in Cheltenham (DV clearance required) designing, building, and maintaining high-performance backend software in Java and C++ on Linux. The role involves working directly with customers, mentoring juniors, and driving code quality, automation, and testing practices.
Hands-on DevOps engineer who designs, secures and automates Iglu's AWS cloud estate (EC2, ECS, Fargate, S3, RDS), builds out Control Tower/Landing Zones, runs CSPM with Snyk, and supports TeamCity/Octopus Deploy CI/CD, working in a lean Ops & Security team on a hybrid basis from Wimbledon or Portsmouth.
Senior hands-on DevOps engineer at UBDS Group's consulting arm Rayo: designs, builds and operates secure AWS cloud infrastructure, CI/CD pipelines (GitLab/GitHub), Terraform IaC and Kubernetes/EKS workloads for public-sector and regulated clients, while mentoring engineers and setting engineering standards.
Senior DevOps engineer (SC clearance required) supporting a large-scale Azure data platform for a major public-sector programme: building CI/CD pipelines, developing Azure Data Factory/Synapse/Data Lake services, and provisioning infrastructure with Terraform. Contract role, inside IR35, aligned to Newcastle or Leeds.
Backend engineer at Duffel in London building the systems that search, price, book and service flights through airline distribution channels. Day to day is complex domain modelling and integration work, based hybrid from the Shoreditch / Liverpool Street office.
Kallidus is hiring a .NET backend engineer to design, build, and maintain scalable REST API services for large-scale SaaS applications. The role uses ASP.NET Core, Azure, SQL Server, and CI/CD in an Agile team, working hybrid (2 days in office) from the Bristol HQ or Lisbon AI Hub.
Lead Backend Engineer at Ocho People in Belfast, building and owning services end to end for a cloud security platform — architecture, deployment, monitoring and production optimisation — using Golang or Java on AWS/GCP/Azure with Kubernetes and Docker.
Lead backend engineer building and owning cloud-native services end to end in Golang and Java for a fast-growing cloud security startup in Northern Ireland. Day-to-day involves design, deployment, and reliability work on data-intensive distributed systems using Kubernetes, Docker, eBPF, and AWS/GCP/Azure.
Fully remote (UK-based) Java developer role designing, building, and maintaining Java applications and scalable microservices. Core stack is Java 8/11/17, Spring Boot, and RESTful APIs, with cloud deployment and modern CI/CD practices.
Backend developer building the core of a high-growth real-time messaging platform — distributed systems, low-latency Pub/Sub, state synchronisation and AI communication infrastructure — mostly remote with monthly meetups at a North London office. Core stack: Go and/or Node.js, with Kafka/RabbitMQ/NATS experience a plus.
CDL Software is hiring an intermediate Java engineer in Manchester (hybrid) to design, build and maintain Java applications across APIs and microservices, applying DevOps practices and AI-driven approaches while owning features end-to-end with Product and Platform teams.
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