19 of 19 Contract Software Engineer Jobs in London

Robotics Software Engineer Outside IR35 Contract Location: London Hybrid/Remote Duration: 3 months Day Rate: Competitive Sector: Robotics & Automation Opportunity Overview An innovative robotics and automation business is looking for a Robotics Software Engineer to join its engineering team on an initial 3-month contract. … work across a modern ROS 2 Jazzy robotics software stack, developing and deploying software that controls industrial robotic systems used in real-world manufacturing environments. This is an opportunity for a strong software engineer with practical robotics exposure to work alongside robotics developers, controls engineers ...

Robotics Software Engineer – Outside IR35 Contract Location: London – Hybrid/Remote Duration: 3 months Day Rate: Competitive Sector: Robotics & Automation Opportunity Overview An innovative robotics and automation business is looking for a Robotics Software Engineer to join its engineering team on an initial 3-month contract. … work across a modern ROS 2 Jazzy robotics software stack, developing and deploying software that controls industrial robotic systems used in real-world manufacturing environments. This is an opportunity for a strong software engineer with practical robotics exposure to work alongside robotics developers, controls engineers ...

Software Development Engineer Hounslow (Hybrid - 50% of the time on site) 12 Month Contract Up to £430 p/d Umbrella Rate - Inside IR35 Would you like your code to sit inside the software that gets aircraft away on time? This Software Development Engineer contract … with a team building mission-critical airline operations software, from load optimisation and weight and balance to regulatory-compliant load sheets. You'll build Java microservices with an Angular and TypeScript front end, working with Product Managers, Technical Business Analysts, Architects and Quality Engineers in Agile teams. Kafka ...

Cleared Software Engineer Central London (3 days onsite) | Defence Sector We are seeking an experienced Software Engineer with active SC Clearance to join a high-profile defence programme delivering critical technology solutions that support national security and operational capability. You'll work as part … skilled engineering team designing, developing and maintaining secure, scalable software systems within complex, mission-critical environments. Key Requirements: Active SC Clearance (essential) Strong software development experience (Java, Python, C# or similar) Experience working in Agile environments Knowledge of cloud technologies (AWS, Azure or GCP) Understanding of secure coding ...

Contract C# Software Engineer Near Wimbledon 6-month contract Software Engineer role developing C# Windows applications that interface with hardware. This role is inside IR35 and requires on-site work 3 days per week (full time for the first few weeks). C# Software Engineer ...

Software Engineer (SI) Duration: 6-month contract Location: New Malden – Occasional travel to Broad Oak Full time on-site, 37hrs per week The opportunity We are looking for a Software Engineer to develop and maintain a range of products that shape and bring together software … help evaluate emerging technologies for potential introduction into a competitive product portfolio. What you'll be doing • Implement fixes and functional updates to software products in line with project priorities. • Carry out complex technical analyses and investigations, evaluate technical options, and prepare reports with recommendations to resolve problems ...

Full Stack Software Engineer £500/day - Outside IR35 - 6-Month Contract - Active SC Clearance Required - Remote-First The Opportunity We're seeking an experienced Full Stack Software Engineer to join a major digital transformation programme focused on modernising critical public services through the delivery … enjoy building products from the ground up, thrive in evolving delivery environments and are excited by the potential of AI to enhance software delivery, this role could be an excellent fit. Responsibilities Design, build and maintain modern digital services across front-end and back-end components. Develop secure, scalable ...

Senior KDB+/q Software Engineer Prime Brokerage Risk & Margining | Inside IR35 | £730 per day (Umbrella) | London Hybrid We're currently looking for an experienced Senior KDB+/q Software Engineer to join a leading financial services organisation on an initial 13-week contract . This … role will suit a hands-on engineer with deep expertise in KDB+/q development , real-time data platforms, and Prime Brokerage post-trade risk and margining environments. Working within a high-performing engineering team, you'll be responsible for the development, optimisation, support and enhancement of business-critical ...

client BAE Systems, a leading organisation in the defence and security sector, is seeking a Software Engineer to support the Shared Infrastructure (SI) Common Console solution. Based in New Malden with occasional visits to Portsmouth, the role will involve software engineering, systems investigations, development, integration and formal … requirements Participate in requirements capture, implementation, integration and testing on local target rigs Contribute to acceptance testing, operational investigations and the resolution of complex software and systems issues Work collaboratively within large, complex, multi-project and distributed teams Follow all relevant health, safety and environmental procedures and report hazards ...

Contract Software Engineers C# & C++ (Linux) Near Wimbledon, London | 6 months | Inside IR35 Were hiring two separate contract engineers to work on hardware-integrated software projects: Contract C# Software Engineer (Windows) C#/.NET Windows desktop applications (Windows Forms) Multi-threaded & networked applications TCP/… Hardware/physical product interfacing On-site 3 days per week (initially full-time on-site) Contract C++ Linux Software Engineer (Embedded) Strong C++ on Linux Embedded software experience Networking (TCP/IP, UDP) Build systems (OpenEmbedded/BitBake desirable) Hybrid working once up to speed ...

Title: Lead Software Engineer Location: Hybrid 40% onsite in London, Manchester, Birmingham, Cardiff or Northeast Duration: 12 months IR35: Inside IR35 Overview Our client is seeking experienced Lead Software Engineers to design, build and support secure, scalable digital services within a government environment. The role will focus … delivering resilient software solutions that support export control and regulatory systems, while providing technical leadership across agile delivery teams. Essential Skills & Experience Strong commercial experience with Python and Django Proven ability to design and deliver complex systems end-to-end Experience leading engineering delivery within agile teams Strong stakeholder ...

Description A Tier 1 Global Investment Bank are looking for a Software Engineer to join their eTrading Team to assist in building quality software so Traders are able to work as effiecently as possible. This role with involve a lot of cross collaboration with the trade floor ...

Software Engineer - High-Performance Java/Low Latency Role Type: Contract (Inside IR35) Location: London, UK (Hybrid - 3 days per week in-office) Overview We are looking for a specialist High-Performance Java Engineer to join our team in London, focusing on the expansion of Agency Liquidity … concurrent systems for agency liquidity expansion. Perform fine-grained JVM tuning, garbage collection (GC) optimization, and memory profiling to achieve ultra-low response times. Engineer low-level Java solutions utilizing JNI, Java Unsafe, or JNR-FFI for high-frequency processing. Collaborate across cross-functional engineering and risk teams ...

Malden – Occasional travel to Portsmouth 3-4 days a week onsite Rate: £53.51 per hour - Inside IR35 The Opportunity We are seeking a Software Engineer with strong VMWare experience to join the Shared Infrastructure (SI) Common Console team. Reporting to the SI Console Technical Lead, you will undertake … hands-on rig activity and technical investigations. • Evaluate emerging technologies and their potential introduction into the product portfolio. What You'll Bring • A strong software engineering background. • Experience of working within formal testing, ideally during acceptance testing, including rig-based testing and investigations. • Strong analytical and diagnostic skills, with ...

Lead Software Developer £525/day Inside IR35 | Remote | Active SC Clearance Required Contract until 31st March 2027 + likely extension We're looking for an experienced Lead Software Developer to join a high-profile programme delivering scalable, cloud-based solutions within a secure environment. This … applications, APIs, and cloud-native services, whilst mentoring developers and promoting engineering best practice. Key Responsibilities Lead the design and development of robust, scalable software solutions Drive technical decision-making and provide guidance to development teams Develop and maintain RESTful APIs and microservices Build and support cloud-native applications ...

Contract Software Engineers - C# & C++ (Linux) Near Wimbledon, London 6 months Inside IR35 We're hiring two separate contract engineers to work on hardware-integrated software projects: Contract C# Software Engineer (Windows) C#/.NET Windows desktop applications (Windows Forms) Multi-threaded & networked applications TCP/ ...

opportunity to join a world class Investment Management business. Send your CV for more info! We are seeking a highly experienced Senior Full Stack Engineer to contribute to the design, development and optimisation of front office applications. This role works closely with the front office, as such the role … development, test, and production environments on schedule. Provides follow up production support. Submits change control requests and documents Provides subject matter expertise in software development methodology and development architecture standards. Mentors and trains staff with less experience. Resolves elevated issues and recommends enterprise-wide improvements Participates in design, code ...

Back-End Engineer Location: Remote Start Date: ASAP Contract Duration: Initial end March 2027, with potential extension to July 2027 Rate: £440pd - £500pd (Inside IR35) Security Clearance: Active SC required Role Overview: As a Back-End Engineer, you will join the External Interfaces and Common Components domain, working ...

Required Skills Frontend React.js REST API troubleshooting JavaScript/TypeScript basics Backend Python FastAPI REST APIs Postman/Swagger Cloud AWS (EC2, Lambda, S3, CloudWatch, API Gateway, IAM) Support Incident & ticket management (ServiceNow/Jira ...