1 to 25 of 205 Contract Software Engineering Jobs in the UK

Software Engineering Lead - Digital Engineering Location: Reading - Hybrid (minimum 50% onsite) Rate: £70-£80 per hour, Inside IR35 Contract: 6-month rolling contract Clearance: Active SC clearance mandatory; DV clearance highly desirable Eligibility: Sole UK Nationals only The Opportunity We are looking for an experienced Project Engineer … Digital Engineering/Software Engineering to support the technical delivery of complex Software Factory projects across sensitive MOD, Defence and aerospace programmes . This is a hands-on technical delivery role, acting as the key interface between engineering teams and Delivery Management. You will coordinate ...

Enterprise Architect (Digital Engineering/Software Engineering) Location: Reading, Berkshire Rate: Up to £91.75/hour Security clearance: Active SC is mandatory Overview We're recruiting for an Enterprise Architect to support digital engineering and software engineering activities across sensitive Ministry of Defence … aerospace programmes . This contract role will focus on integrating a Software Factory solution within a wider Digital Engineering environment-enabling secure, compliant delivery across the full lifecycle, including Digital Thread and Digital Twin outcomes. What you'll be doing Own and maintain high-level and low-level ...

Software Engineer - Strategic Engineering, Cyber Security Location: Sheffield (3 days per week onsite mandatory) Contract End Date: 22 September 2027 Rate: £411 per day via Umbrella company About the Role An exciting opportunity has arisen for a talented Software Engineer to join a Strategic Engineering team … within Cyber Security. This role is ideal for a strong software engineer who enjoys building production-grade applications, backend services, APIs, developer tooling, and automation solutions that support enterprise-scale cyber security and data platforms. This is a software engineering-focused position with significant hands-on development ...

Principal/Senior Software Engineer x2 Inside IR35 Contract Rate: up to £800/day Location: Remote/London Duration: 6 months initially Description: The opportunity This is a contract engagement supporting a major Information Security AI transformation, a large programme that is modernising and automating the security operating … good degree of autonomy to deliver a defined set of outcomes across complex and current problems in AI security. You will collaborate with software and solution architects to define target architectures, coordinate the workloads of software engineers, and remain hands-on throughout the development lifecycle. The role will ...

Enterprise Architect (Digital Engineering/Software Engineering) Location: Reading, Berkshire Rate: Up to £91.75/hour Security clearance: Active SC is mandatory Overview We're recruiting for an Enterprise Architect to support digital engineering and software engineering activities across sensitive Ministry of Defence … aerospace programmes . This contract role will focus on integrating a Software Factory solution within a wider Digital Engineering environment-enabling secure, compliant delivery across the full lifecycle, including Digital Thread and Digital Twin outcomes. What you'll be doing Own and maintain high-level and low-level ...

Software/Platform Engineer, DV Cleared Contract: Initial Contract Day Rate: Up to £650 per day IR35: Inside IR35 Locations: London, Cheltenham, Ipswich or Manchester Working Pattern: 5 days per week onsite Security Clearance: Current DV Clearance essential About the Role We are recruiting for multiple DV Cleared Software and Platform Engineers to join specialist engineering teams delivering highly secure and technically challenging solutions within a national security environment. There are multiple opportunities available across different technical disciplines and seniority levels, so we are interested in speaking with engineers from a range of software, platform, DevOps ...

Enterprise Architect (Digital Engineering/Software Engineering) Location: Reading, Berkshire Rate: Up to £91.75/hour Security clearance: Active SC is mandatory Overview We're recruiting for an Enterprise Architect to support digital engineering and software engineering activities across sensitive Ministry of Defence ...

Technical Delivery Manager Digital Software Engineering Reading HQ 3-4 days a week onsite **Active SC Clearance is mandatory** Up to £80.55 p/h Inside IR35 Im currently looking for an experienced security cleared Technical Delivery Manager to support the technical delivery of software engineering and digital engineering projects within a highly regulated UK Defence & Aerospace environment. This is a great opportunity for someone who can bridge the gap between engineering teams and project/delivery management, providing technical leadership, coordinating engineering activity and driving projects through to successful delivery. What ...

Join a world-renowned aerospace and defence organisation as a Senior Software Engineer onsite in New Malden onsite full time onsite Would you like to join a global aerospace and defence organisation? Do you want to work as part of an organisation protecting people and maintaining maximum national security … drive for greater success, this advanced manufacturing business is currently searching for a Senior Software Engineer to add to their talented, hardworking team in New Malden on a 12 month contract. Striving for innovation and creativity you can ensure no two days will be the same. Senior Software ...

Engineer to support a major AI-enabled digital transformation programme within a large international organisation. The organisation is adopting an agentic-first approach to software engineering and wants to move from individual experimentation towards a scalable, secure and maintainable enterprise model for AI-assisted development. Experienced engineering teams are already exploring agentic development. This role will establish what good looks like across the wider organisation, introducing the engineering standards, governance, security controls, evaluation frameworks, operating models and knowledge-sharing practices required to deploy agentic AI at scale. This is not a purely strategic or governance ...

Contract: Tech Lead/Software Engineering Manager - Backend (TypeScript/Java, AWS) Location: London - 1x Day Per Week Onsite Rate: £750 per day via Umbrella Programme: Greenfield Middle-Office Transformation Length: 6 months initial + further extensions (long term programme) A leading UK wealth and investment platform … hiring a Tech Lead/Engineering Manager for a backend engineering team working on its core wealth services. The business looks after more than £100bn of assets for over a million investors, and this team plays a central part in a major transformation of those services. This ...

firmware is robust, safe, and meets all system requirements. This spans the entire validation spectrum, from Model-in-the-Loop (MiL) and Software-in-the-Loop (SiL) to deep, hands-on testing on Hardware-in-the-Loop (HiL) simulators. Success in this role is measured by the reliability … coverage, establish automated regression pipelines, and provide the rigorous verification evidence required by ISO 26262. You will work as a core partner alongside BMS software developers, base software engineers, and systems engineers to catch defects early and clear the software for production release. --- Key Responsibilities: Define, develop ...

Lead Java Developer 12 Month Duration 60% on site - Manchester, Leeds or Birmingham Inside IR35 As a Lead Software Engineer you will be an expert in your field, skilled in multiple disciplines, a role model in software craftsmanship and have proven experience in the design, development and support … software products. Responsible for defining medium to long term strategies for product lines, defining guidelines for the Engineering community and leading their adoption across teams in order to deliver quality software products.You will lead the design of complex software products that make up citizen services ...

discussed with suitable candidates Company Join a well-established financial markets organisation investing in the development and modernisation of its core technology platforms. The engineering team builds and supports business-critical applications and data services, with a strong emphasis on reliability, scalability, automation and engineering quality. Role … looking for a Platform & Data Engineer for a 6-month contract. You will work across software engineering, data and platform technologies, helping design, build and improve systems that operate at scale. You will be responsible for: Designing and developing backend applications, services and data-driven platforms. Building ...

currently supporting a product-focused organisation that is investing heavily in modern software engineering practices, including AI-assisted development and spec-driven engineering. They're looking for a Full Stack Software Engineer to join a highly collaborative team where engineers are encouraged to influence technical decisions, contribute … architecture discussions, and help shape how software is built. This is an environment where engineering judgement is valued, ownership is encouraged, and teams are focused on delivering meaningful outcomes rather than simply completing tasks. This role would suit an engineer who enjoys working across the full software ...

Cheltenham. Role Type: 6 Months Contract and Hybrid role. About the Role We are seeking a Senior Platform & Automation Engineer who combines strong software engineering fundamentals with deep infrastructure-as-code (IaC) expertise. You will own and evolve our core infrastructure, driving automation across our entire technical stack … unified CI/CD pipelines. This role requires a developer background (strong Python) to ensure our infrastructure code and automation workflows adhere to modern software design standards. Key Responsibilities Infrastructure as Code: Design, build, and maintain scalable infrastructure using Terraform and Ansible . Automation & Scripting: Develop custom automation tools ...

Senior Mobile Engineering Manager 24 month contract Inside IR35 – Paying up to £58 per hour via umbrella. Location: Hybrid – 3 days per week in office in London or Sussex We are seeking an experienced, Senior Engineering Manager to lead the implementation of the mobile application service layer (Backend … Frontend) for a next-generation iOS and Android travel application. You will provide leadership, engineering direction, and deep technical expertise while remaining actively engaged in the delivery of software solutions. You will work closely with engineering teams to design, develop, test, troubleshoot, deploy, document, and support ...

than an integration role . You will design and implement sophisticated AI systems from the ground up, make architecture-level decisions, write production-quality software and own features through to deployment. The focus is on turning rapidly evolving AI capabilities into reliable, scalable systems that deliver measurable value … system reliability. Take end-to-end ownership of technical workstreams, from architecture and implementation through to deployment. Make systems-level design decisions and establish engineering patterns for other developers to follow. Produce clear technical documentation and knowledge transfer to ensure the systems you build can be maintained and extended ...

observability capabilities to understand model performance, agent behaviour and failure modes. Take end-to-end ownership of technical workstreams, from architecture through deployment. Establish engineering patterns and technical direction for other engineers. Produce clear technical documentation and knowledge transfer to ensure systems can be maintained beyond the engagement. What … Looking For You'll ideally have: 6+ years of professional software engineering experience , with several years working on LLM-based, generative AI or agentic systems. A strong track record operating at Senior, Lead or equivalent engineering level. Commercial experience building multi-agent or agentic AI systems ...

planning, drafting, evidence ingestion, validation, and compliance checks across complex clinical content workflows. The role sits at the intersection of applied AI, NLP, software engineering, and cloud architecture. We are looking for someone who can go beyond proof-of-concept LLM applications and engineer robust AI capabilities that … ingestion, provenance, and traceability across AI-generated clinical content. Work with structured and unstructured information to support accurate and reusable authoring workflows. Production AI Engineering Engineer AI/ML capabilities for production use rather than prototype-only or API-wrapper solutions. Build maintainable Python-based services and components with ...

Engineering Manager - Java, AWS Location: Hybrid - London/2 Days Per Week Duration: 6 months + Intention to extend Day rate: Up to £750 - Inside IR35 Start date: ASAP We're seeking an experienced Software Engineering Manager to lead a high-performing backend engineering team delivering … secure, scalable and resilient solutions while supporting and mentoring engineers to reach their full potential. Key Responsibilities Lead and develop a team of software engineers. Drive Agile delivery across multiple workstreams. Collaborate with Product, Architecture and business stakeholders. Own prioritisation, capacity planning and delivery outcomes. Champion engineering best ...

client is seeking a Principal Embedded Software Engineer to join its engineering team, developing low-level embedded software for electrification applications including battery management, power conversion and electric vehicle control systems. This Contract role offers the opportunity to provide technical leadership while delivering robust software for high-integrity, real-time systems. Key Responsibilities: Lead the design, implementation and testing of embedded software platforms for real-time microcontroller systems Develop low-level and application-level software using C, C++ and assembly Design modular, scalable and reusable software components, including device drivers, communication ...

Inside IR35) 6 Month Contract Remote Working | Occasional Travel to London We're looking for a Principal Developer to join a major engineering programme delivering large-scale, cloud-native systems within AWS. This is a hands-on technical leadership role suited to an experienced engineer who enjoys remaining close … direction across multiple teams. Collaborating with architects, security specialists and senior stakeholders. Acting as a technical authority, supporting complex technical decision-making. Driving engineering standards, quality assurance and best practice. Contributing to architecture, solution design and technical governance. Supporting production services, incident management and live operations. Ensuring solutions ...

Contract: Tech Lead/Software Engineering Manager - Backend (TypeScript/Java, AWS) Location: London - 1x Day Per Week Onsite Rate: £750 per day via Umbrella Programme: Greenfield Middle-Office Transformation Length: 6 months initial + further extensions (long term programme) A leading UK wealth and investment platform … hiring a Tech Lead/Engineering Manager for a backend engineering team working click apply for full job details ...

C++/QT Software Engineer (SC Cleared) 12 Months initial contract On site in Bristol 5 Days per week £481 Pay per day (Inside IR35) ***Please note - Due to the nature of the role and the client, the selected candidate MUST HAVE ACTIVE SC clearance and be a Sole … British National *** Overview My client, in the defence sector are looking for an experienced C++/Qt Software Engineer to join a team developing software solutions for the next generation of Air Defence Systems. You will be responsible for developing a new software Console product to replace ...