1 to 25 of 44 Contract Software Engineering Jobs in London

Outside IR35 London - Hybrid (2/3 days a week in the office) A leading UK financial services provider is seeking a highly experienced Software Engineering Manager on a 3 month contract to lead multiple squads within their retail engineering function. This role will be pivotal … coding, you will provide technical guidance, architectural insight, and oversight, ensuring solutions are scalable, maintainable, and delivered to high standards. Key Responsibilities: Lead multiple engineering squads, providing technical direction and oversight Drive delivery accountability, unblock issues, and manage dependencies across teams Collaborate with Product Owners, IT leadership, and business ...

About The Role FDM is a global business and technology consultancy seeking a Senior Software Engineer to work for our client within the defence and national security technology sector. This is initially a 12-month contract with very good prospects to extend and will be a hybrid role based … experience in backend development using C# and the .NET ecosystem Frontend development experience using React or a similar modern JavaScript framework Solid understanding of software engineering fundamentals and agile delivery practices Experience working in live production environments, ideally within regulated, government or secure systems Eligibility for BPSS clearance ...

Digital & AI Strategy Manager in assessing feasibility of new data source integrations as the roadmap evolves. Experience * Master's degree in Computer Science, Data Engineering, Software Engineering, or a related technical field. * Professional certifications in Azure, Databricks preferred * Training or background in energy systems, renewable energy, offshore … wind or BESS technologies is a strong plus. * 4-7 years of hands-on data engineering experience in a cloud environment. * Demonstrated experience delivering production pipelines on Databricks and Azure (ADLS Gen2, ADF or equivalent). * Proven ability to implement Medallion architecture or equivalent layered data modelling patterns. * Experience ...

Infrastructure as Code (IaC) for automated environment provisioning Supporting containerised platforms and orchestration to improve scalability and resilience Embedding security and compliance controls into engineering workflows (DevSecOps) Driving observability improvements across monitoring, logging and alerting Advising engineering teams on DevOps best practice and helping remove delivery bottlenecks Essential … experience Typically 5-10+ years in DevOps/systems engineering/software engineering Strong hands-on Infrastructure as Code (IaC) (e.g., Terraform , Ansible , CloudFormation ) Containers & orchestration: Docker + Kubernetes Cloud platform depth: AWS/Azure/GCP (networking, compute, storage, security) CI/CD tooling: Jenkins ...

leading organisation undergoing major investment in its data and engineering capabilities is looking for a Senior Automation QA Engineer to strengthen quality across complex, distributed systems. This role sits at the intersection of software engineering and data engineering, supporting the delivery of high quality services … resilience of data pipelines and backend services. This is a hands on role suited to someone who enjoys ownership, technical depth, and influencing engineering best practice. Essential Skills & Experience Strong background in automation testing for microservices based architectures. Hands on experience building automation frameworks using Java or similar languages. ...

leading organisation undergoing major investment in its data and engineering capabilities is looking for a Senior Automation QA Engineer to strengthen quality across complex, distributed systems. This role sits at the intersection of software engineering and data engineering, supporting the delivery of high‑quality services … resilience of data pipelines and backend services. This is a hands‑on role suited to someone who enjoys ownership, technical depth, and influencing engineering best practice. Essential Skills & Experience Strong background in automation testing for microservices‑based architectures. Hands‑on experience building automation frameworks using Java or similar languages. ...

Developer Experience (DevEx) Engineer Location: London We're looking for a DevEx Engineer to boost the productivity, efficiency and overall experience of our engineering teams. You'll design tools, enhance workflows and champion best practices to ensure developers can build, test and ship software faster and more reliably. … doing Building internal tools, services and libraries to streamline developer workflows Optimising CI/CD pipelines for speed, reliability and simplicity Identifying engineering pain points and automating manual processes Improving developer documentation, onboarding guides and internal wikis Championing best practices in testing, code quality and deployment Monitoring build times ...

days per week (Tues + Wed) Start: ASAP My new client is looking for a highly skilled Senior Java Engineer to join their engineering team. The ideal candidate combines deep technical expertise with strong engineering discipline, independent problem-solving ability, and a commitment to building robust, scalable systems. … will work across modern cloud-native architectures, contribute to API and microservices development, and help drive best practices across the engineering organisation. Key Responsibilities Design, develop, and maintain high-quality Java applications using Spring Boot. Build and optimise RESTful APIs and contribute to GraphQL service development. Develop cloud-native ...

IR35 | London | 3 days on site | 6 month contract We are seeking a highly skilled Telemetry & Observability Engineer to join a large-scale enterprise engineering environment focused on improving system reliability, visibility, and operational intelligence across complex distributed platforms. This role is ideal for a hands-on engineer … will be responsible for building and evolving telemetry pipelines and observability infrastructure across a distributed, cloud-native environment. Working closely with network, platform, and software engineering teams, you will help embed observability into engineering workflows and CI/CD processes. Key Responsibilities Design and implement scalable pipelines ...

will act as the escalation point for critical production issues across trading and risk systems. The role focuses on deep incident diagnosis, partnering with engineering for fixes and reliability improvements, and building the tooling, runbooks, and documentation that enable L1/L2 teams to resolve issues faster . … Responsibilities Own L3 escalations end-to-end: triage, root cause analysis, remediation, and post-incident follow-up with engineering and stakeholders. Partner with product and engineering to improve reliability, operability, and supportability of applications, including logging, metrics, and alert quality. Develop scripts, runbooks, diagnostics, and quality-of-life ...

define and deliver new features. Ensure optimal performance, quality, and reliability across backend services. Diagnose and resolve performance bottlenecks and defects. Follow best-practice engineering standards, design patterns, and architectural principles. Apply Test-Driven Development (TDD) in day-to-day development. Use static code analysis tools such as SonarQube … enhance productivity in coding and system design. Required Skills & Experience 8+ years ' experience in Java backend development (Java 17+). Degree in Computer Science, Software Engineering, or related field. Strong expertise in Java + Spring Boot/Spring Data/Spring Cloud . Excellent SQL knowledge and experience ...

experience is not mandatory if the candidate can demonstrate the ability to pick it up quickly. Solid understanding of algorithms, data structures, and core software engineering principles. Proven architecture and system design capability, including ability to decompose problems and articulate design rationale. Experience building and supporting production systems … assisted development environment (e.g. GitHub Copilot) and reviewing generated output critically. Strong communication skills and the ability to collaborate effectively within distributed engineering teams. Minimum of 4+ years’ experience in backend software development using Java within an enterprise or regulated environment. About Us FDM is an award-winning ...

infrastructure. Mentor junior developers, sharing your expertise and helping them grow their skills. What You Bring: Educational Background: University graduate level in Software Engineering, Data Science, Computer Science, or related fields. Essential Skills: - Proficient in Microsoft Power BI, including Power Query and DAX. - Strong experience in data modelling ...

Group IT function within a well established UK business is restructuring its software engineering team and needs an experienced Development Lead to drive that change. This is a transformation contract, not a maintenance role. You will come in, assess the current teams structure and capability, then redesign … works, not just what it builds. That means assessing current ways of working, leading the adoption of AI development tools across the team, setting engineering standards, and acting as the bridge between technical delivery and senior business stakeholders. You will still be hands on where needed during the transition ...

project efforts across business areas Participate in on-call rotation to support platform reliability Required Qualifications, Capabilities, and Skills: Formal training or certification on software engineering concepts and advanced applied experience Hands-on experience with AWS and infrastructure as code ( Terraform ) Understanding of AWS networking concepts Analytical ...

IR35 My SC Cleared customer is seeking a highly skilled Azure DevOps/Platform Engineer with deep, hands-on experience in Azure-native engineering and advanced Infrastructure as Code (IaC) practices. This role is ideal for someone who operates at the intersection of DevOps and Software Engineering … mindset to infrastructure design, automation, and testing. Key Skills & Experience from the Azure DevOps Engineer: Active SC Clearance ideal/lapsed considered Advanced Azure Engineering Strong experience designing for high availability Deep understanding of Azure-native services and architecture patterns Infrastructure as Code (IaC) Expert-level proficiency with Terraform ...

located in the Platform Developer Experience (PDX) tribe within the Platform Mission. The PDX Studio oversees and owns the infrastructure that cuts across all engineering disciplines. What you'll do Execute on future VCS infrastructure strategy that is able to serve 3000+ engineers doing 100's of thousands … beyond Support with Operational tasks keeping our systems healthy and uptodate Develop and maintain our GHES(GitHub Enterprise Server) instance to enable develop software more efficiently Drive the automation and improvements to our GHES instance across our current technical stacks. Collaborate with Infrastructure teams across the company to ensure ...

located in the Platform Developer Experience (PDX) tribe within the Platform Mission. The PDX Studio oversees and owns the infrastructure that cuts across all engineering disciplines. What you'll do Execute on future VCS infrastructure strategy that is able to serve 3000+ engineers doing 100's of thousands … beyond Support with Operational tasks keeping our systems healthy and uptodate Develop and maintain our GHES(GitHub Enterprise Server) instance to enable develop software more efficiently Drive the automation and improvements to our GHES instance across our current technical stacks. Collaborate with Infrastructure teams across the company to ensure ...

Knights in Shining Armour'. We are looking for a Full Stack Technical Lead, proficient in AWS, Typescript and Node - amongst other modern software engineering skills to support the business on a huge project for a public sector client. This project is in build phase, and we require ...

Role Purpose The Software Engineer will work as a hands-on individual contributor within a delivery team, responsible for developing high-quality software solutions. The role involves contributing to and, at times, leading design and engineering decisions, while delivering medium to high complexity work with minimal supervision. … Responsibilities Act as a hands-on software engineer, with significant time spent designing, building, testing, and maintaining software solutions. Deliver medium to high complexity engineering tasks independently and effectively. Contribute to architecture, design, and engineering decisions across the team (aligned to ARIX levels ...

Software Engineer - Active SC, Java, Microservices Up to £550 per day (Inside IR35) London/Remote 6 months My client is an instantly recognisable consultancy who require a strong Software Engineer with Active Security Clearance (SC) and with deep expertise in Java (Spring Boot) to join a large … scale, business-critical microservices programme.Key Requirements: Proven experience working as a Java Software Engineer on large microservice architectures Active Security Clearance (SC) Strong capability building scalable RESTful APIs and backend services in Java (Spring Boot): Postgres (or other relational SQL databases) with solid understanding of schema design ...

month contract Active SC required Remote with occasional travel to London for client meetings only - expensable We are looking for experienced fullstack Java Software Engineers to support projects across UK Government and Law Enforcement. You'll work in multidisciplinary teams delivering secure, reliable and scalable systems. The role … hands-on and focused on building high quality software using modern engineering practices. What you'll do You'll design, build and maintain Java based microservices, applying test driven development and following established engineering standards. You'll work with technologies including Java, Spring Boot, Postgres, Kafka, Docker ...

543.48 GBP/day on Inside IR35 on Umbrella We are urgently seeking a highly technical Test Lead to parachute into a fast-paced Software Engineering team. If you thrive in containerized environments and excel at pushing systems to their limits, we want to hear from you. Skills ...

backend-focused, with some opportunity to contribute minor front-end enhancements where required. Role: Senior .Net Backend Developer, Senior .Net Developer, .Net Core Developer, Software Engineer, Contract .Net Developer, Lead .Net Developer Location: Fully Remote – 100% work from home Day rate: £400 per day outside IR35 Duration: initial ...

client is seeking to recruit a Fullstack Software Engineer on an initial 12 month contract based in London. It is hybrid and will require 2x days onsite per week. Key responsibilities Front end implementation for a React application Visualizing and interacting with scientific data and workflow progression Integration …/ML components with frontend, backend, data and compute infrastructure Responsible for high quality software implementations according to best practices, including automated test suites and documentation Develop, measure, and monitor key metrics for all tools and services and consistently seek to iterate on and improve them Participate in code ...