Senior Software Engineer - Pricing & Availability (Node/React/.Net) We're supporting a high-traffic global travel and E-commerce platform in its search for a Senior Software Engineer to strengthen its pricing and availability systems. This is a hands-on contract role focused on improving the performance, reliability and scalability of a complex transactional platform processing millions of customer searches across multiple international markets. What you'll be working on: Building and improving pricing, quote-caching and availability services Designing resilient APIs and integration patterns...  more ->

5 Days Onsite. Inside IR-35 Role. Rate: 400 - 450/day Inside IR - 35. Job Description: As a Senior Software Engineer in Enterprise Platforms, you will be part of an agile team building and evolving platform services, integrations, and data-enabled solutions that support enterprise communication data and regulatory controls. You will design, develop, and operate secure, reliable, and scalable systems that power business controls, analytics, reporting, and AI/ML use cases. You will partner closely with domain teams, platform engineering, and operations to deliver production-grade services and...  more ->

AI Engineer Software Engineering background is required London, UK | Hybrid - 3 days in office - 12-month contract (Inside IR35) Daily rate: £700 - £950 p/d inside IR35 We are seeking a I Engineer with Software Engineering background to join a fast-moving team working across AI platform engineering and direct collaboration with the Investment Team. The role is split approximately 60/40 between platform engineering and business-facing AI delivery, focusing on building and deploying production-grade AI solutions. We are looking for someone who writes clean, production-quality code and can turn...  more ->

A leading IT Consultancy is seeking a Software Engineer Java 11 on a contract basis to work for a leading Financial Services client. You will be required to work onsite at the clients office in West Sussex 3 times per week. Please DO NOT apply unless you can commit to this. The Software Engineer Java 11 must have the following skills/experience: Hands on Java application design, software development and automated testing (Java 11 and higher). Intermediate knowledge of basic infrastructure technologies and components. Familiarity with application containers based on spring, Vert.X or...  more ->

World Class Defence Organisation is currently looking to recruit an Embedded Software Engineer subcontractor on an initial 6 month contract. Rate: £60.00 per hour Location: Portsmouth Hybrid/Remote working: 2 days per week remote working Duration: 6 months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Embedded Software Engineer Job Description: The role of Embedded Software Engineer is required due to increased demand for the work of our Advanced Developments Group (ADG). The ADG are a small team of highly innovative, enthusiastic engineers...  more ->

Full Stack Software Engineer (AI/ML Platform) Location: London (Hybrid/On-site as needed) Rate: Up to £650 per day Contract: Outside IR35 Positions: 2 roles available We're working with a fast-growing AI scale-up in London that's building next-generation machine learning platforms used at serious scale. They're looking for two experienced Full Stack Software Engineers to help design, build, and scale production-grade AI-driven systems. This is a hands-on contract role at the intersection of modern Front End engineering, Back End systems, and applied machine learning. What you'll be working on...  more ->

On behalf of National Crime Agency (NCA), we are looking for a Senior Software Developer (Inside IR35) for a 12 month contract. Hybrid working based in either London, Bristol, Birmingham or Warrington. Overview The NCA is seeking an experienced Senior Software Developer to support a high profile programme within the National Cyber Crime Unit (NCCU) focused on disrupting the online facilitation of Organised Crime through AI and innovative technical capabilities. Working within a multidisciplinary technical team, you will help build, enhance and scale software capabilities that support...  more ->

Software Engineer - Production Automation & CI/CD Location: London Contract: September 2026 - March 2027 Pay rate: £55 per hour PAYE The opportunity We are seeking an experienced Software Engineer to build and maintain the automation that keeps a large-scale user-generated content application healthy in production. The application operates as one product across multiple platforms, running natively on VR headsets and through cloud streaming on mobile and PC. Working alongside the runtime and Keep the Lights On team, you will reduce manual operational and on-call work through automation. You...  more ->

Contract LabVIEW Software Engineer Rate: Up to £55 per hour - Outside IR35 Contract length: 3 months initially Location: Gatwick - Hybrid We're recruiting on behalf of a client for a Contract LabVIEW Software Engineer to review, improve and productionise an existing final test application for a thermal management controller product click apply for full job details more ->

SC - Lead Software Engineer Hybrid 2 x PW in either London, Manchester, Birmingham, Cardiff or Northeast (Darlington) Role Overview: We are seeking an experienced SC Lead Software Engineer within strong capabilites in Python & Django for a leading public sector organisation to support the design, development, and continuous improvement of secure, user-centred digital services. Working within a large-scale Agile environment, you will be responsible for designing, building, and maintaining scalable software solutions using Python and Django, while providing technical leadership across...  more ->

AI SOFTWARE ENGINEER - DV CLEARED BRAND NEW OUTSIDE IR35 CONTRACT OPPORTUNITY AVAILABLE WITH A LEADING NATIONAL SECURITY CONSULTANCY FOR AN AI SOFTWARE ENGINEER Contract opportunity for an AI Software Engineer Outside IR35 Day rate up to £650 Hybrid role - London Must hold active UKSV DV clearance To apply please email or call WHO WE ARE? We are working with a specialist consultancy delivering cutting-edge AI and software solutions into the UK National Security and Defence sector. Due to continued growth and the expansion of several mission-critical programmes, we are looking for an...  more ->

A company that specialise in electro-mechanical systems for the Automotive/EV industry is seeking to recruit a Cyber Security Software Engineer to work on a contract based in Surrey that is initially scheduled for 6 months The Role This position will involve implementation, integration and validation of security foundations click apply for full job details more ->

We're supporting a high-profile UK Government digital programme and are looking for Senior Python Developers and Technical Leads with strong Python & Django expertise to join a multidisciplinary agile team delivering secure, user-focused digital services. The Role You'll play a key role in designing, developing and supporting scalable Back End services used within a secure government environment. Technical Leads will also provide technical guidance, mentor engineers and help shape architecture and engineering best practices while remaining hands-on. What You'll Be Doing Develop secure,...  more ->

Software Engineering Manager - Java, Javascript, Cloud Up to £850 per day (Inside IR35) London/Hybrid (3 days onsite) 6 months This is a contract resource, so all candidates must come from a contracting background.My client is an instantly recognisable firm who are urgently recruiting for a Software Engineering Manager with experience of leading, coaching and managing large teams of Software Engineers. This role will oversee the Development teams of Engineers who are tasked with the Development and maintenance of Technology products.You will bring a passion for technology and deep technical...  more ->