151 software engineer jobs found

Embedded Software Engineer | 6-Month Contract (Outside IR35) | Cambridge Location: Cambridge, UK Contract Type: 6 months (Outside IR35) Rate: Competitive (DOE) Security Clearance: SC Clearance required About the Role We are working with a leading UK defence and security technology consultancy, engaged in developing cutting-edge solutions that protect the UK from emerging technological and cyber threats. As an Embedded Software Engineer, you’ll work alongside a multi-disciplinary team of scientists and engineers to design, develop, test, and deliver prototype solutions. This is a hands-on, technically challenging role where your work will have real-world impact. Responsibilities: Develop embedded software for high-tech systems, primarily in C (Linux environment) Collaborate with teams on design, prototyping, and full product lifecycle development Debug and optimise software and hardware interfaces Contribute to technical problem-solving and innovative solutionsRequired...

Guidance & Control Software Engineer (Interception Systems) Location: North London - Hybrid Type: Contract - Outside IR35 Rate: Starting at £50 per hour DOE About the Role Our client develops advanced autonomous weapon and interception technologies designed for high-speed target engagement in contested environments. The programme centres on a vision-guided one-way aerial system capable of autonomously detecting, tracking, and intercepting manoeuvring objects. The software architecture combines real-time perception with predictive guidance and control. This role will be central to the development of the onboard flight and guidance stack, implementing estimation, tracking and control algorithms in performance-critical C++ code. The engineer will work closely with perception, simulation and hardware teams to ensure reliable terminal behaviour under real-world conditions. The Guidance & Control Software Engineer position suits an engineer with experience in missile...

I'm looking for an experienced AI Engineer to join an exciting, fast‑growing AI start‑up on a 6‑month contract. This is a great opportunity to work on cutting‑edge AI products and play a key role in designing, building and deploying real‑world AI systems. Tech Requirements We are looking for someone with strong commercial experience in: AI Engineering – designing, building and deploying AI systems TypeScript Node.js Python AWS CloudDesirables Prior AI start‑up experience Ability to thrive in fast‑moving, high‑growth environmentsContract Details 6‑month initial contract Outside IR35 Fully remote (must be based in the UK) Must have full right to work in the UK

Senior Engine Control Software Engineer Location: Hethel, UK Contract: Inside IR35 | 3 Month Contract Role Summary The Senior Engine Control Software Engineer will play a pivotal role within a high-performance powertrain environment, leading the design and delivery of embedded control software for next-generation V6 and V8 turbocharged engines and transmission platforms. This Senior Engine Control Software Engineer position focuses on robust, production-level ECU software, ensuring quality, compliance, and performance across demanding operating conditions. Role & Responsibilities Lead development of embedded engine control software for advanced propulsion systems Implement control and diagnostic software for new engine and transmission features using C/C++ Collaborate with Controls Design Engineers, Systems Engineers, and Architects to define and align software and functional architectures Develop, test, and maintain production-level ECU software ensuring MISRA compliance...

Location: Stevenage OR Bristol (fully onsite) Duration: 12 month contract Rate: £65ph UMB (Inside IR35) Role details: Our client, a leading consultancy in the defence and aerospace sector, is currently seeking a C# Software Engineer to join their dynamic team. This is a contract position available in either Stevenage or Bristol, with an initial duration of 12 months and the potential for extension. Key Responsibilities: The role supports the development of the world's most advanced defence systems from concept through to in-service support and training, utilising a range of simulation technologies such as digital twins and emulators. Collaborating with Project Leads and Simulation Architects, you will design and develop simulation components representing an end-to-end weapon system in a synthetic environment using C#, C++, and integration simulations, adhering to industry standards. You will be a part of a heterogeneous agile development team consisting of engineers from...

Job Title: SC Cleared Senior Software Engineer Location: Farnborough, Malvern or Portsmouth Duration: 6 months with possible extension Rate: Up to £820 per day via an approved umbrella company Must be willing and eligible to go through the SC Clearance process Are you a talented and motivated Software Engineer with a passion for delivering innovative solutions? Our client, a reputable organisation supporting maritime test and evaluation facilities, is hiring for a Senior Software Engineer to join their dynamic engineering team. This is an exciting opportunity to work on modernising critical systems and contribute to cutting-edge projects in a collaborative environment. What you'll be doing: Supporting the maintenance and development of new systems to enhance maritime test and evaluation capabilities. Designing, developing, integrating, testing, and delivering complex real-time software solutions. Leading technical tasks and collaborating effectively with stakeholders,...

World Class Defence Organisation is currently looking to recruit 5x C# / C++ Software Engineer subcontractors on an initial 12 month contract.  Desktop C# is the expertise the department are looking for; with some experience with C++ but doesn’t need to be overly extensive. Job Title: C# / C++ Software Engineer Rate: £65.00 per hour Overtime Rate: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Location: Stevenage or Bristol (depending on your preference) Hybrid / Remote working: The role will be a hybrid role of 3 or 4 days per week onsite Contract: 37 Hours per week Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) C# / C++ Software Engineer Job Description: WSSE are integral in the development of weapon systems and system architectures, and as a result we have developed a capability supporting developments across the full product life cycle.   The team integrate real products, models...

World Class Defence Organisation is currently looking to recruit 5x C# / C++ Software Engineer subcontractors on an initial 12 month contract.  Desktop C# is the expertise the department are looking for; with some experience with C++ but doesn’t need to be overly extensive. Job Title: C# / C++ Software Engineer Rate: £65.00 per hour Overtime Rate: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Location: Stevenage or Bristol (depending on your preference) Hybrid / Remote working: The role will be a hybrid role of 3 or 4 days per week onsite Contract: 37 Hours per week Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) C# / C++ Software Engineer Job Description: WSSE are integral in the development of weapon systems and system architectures, and as a result we have developed a capability supporting developments across the full product life cycle.   The team integrate real products, models...

World Class Defence Organisation is currently looking to recruit a Java Software Engineer subcontractor on an initial 12 month contract.     Job Title: Java Software Engineer Rate: £65.00 per hour Location: Bristol Hybrid / Remote working: The role will be onsite – a compressed 4 day week (Monday to Thursday is fine) Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)                                                                                                                                           Interview Process: One stage Video Interview Java Software Engineer Job Description: The team, at the Bristol facility, develop solutions for the next generation of Air Defence Systems; developing evolving products whilst maintaining their enviable reputation for safety, performance and dependability. This...

I'm recruiting for a small business in Cheltenham who are looking for an Embedded Software Contractor on a 3 month contract (outside IR35). The work is based around Zephyr RTOS on Nordic chips. Previous experience (in-depth!) is needed for this. ** Work can be done remotely after an initial period of 3-4 days on-site. Also may require on-site visits to Cheltenham throughout depending on project progression. ** ROLE: Embedded Software Engineer LOCATION: Remote (Cheltenham) RATE: up to £60ph DURATION: 3 months Skills required for the Embedded SW Engineer: * C * Zephyr RTOS * Nordic chips * Linux If you're interested, please apply below or get in touch with any questions Cheers, Nathan

World Class Defence Organisation based in Bristol is currently looking to recruit 2x Embedded ADA Software Engineer subcontractors on an initial 12 month contract.  The role will likely be required to be onsite, but it can be worked on a 4-day week basis.   Essential - ADA, Background in safety critical software. Desirable - Linux, Doors, Dimensions, UML, Mascot etc.   Contract Duration: 12 Months initially and then ongoing. Hourly Rate: £68.00ph (Umbrella).   Overtime rate: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’   Embedded ADA Software Engineer Job Description: We work on technology that is at the forefront of European missile system design, delivering safe, secure, and reliable products to our customers. The System software department covers all aspects of command and control software (C2) for both land and maritime missile systems. We are expanding the Sea Viper and Sea Ceptor missile C2 team for the development of the next generation of...

Software Engineer (Java) SC Clearance Required Certain Advantage are hiring for a Software Engineer based in Portsmouth. This role is on an initial 12-month contract and is required to be onsite 3 days a week.   Your responsibilities: Contribute across the full software development lifecycle, including design, development, testing, and deployment. Design software solutions using UML/SysML and contribute to technical architecture within a microservices environment. Develop high-quality Java applications using Spring Boot, Spring Framework and related technologies. Implement and maintain RESTful web services over HTTPS within distributed systems. Write and maintain automated tests, ensuring quality and reliability are built into the solution from the outset. Participate in Agile ceremonies including sprint planning, estimation, reviews and retrospectives. Collaborate closely with team members and wider stakeholders to design, implement and test new product features. Contribute...

World Class Defence Organisation is currently looking to recruit a Java Software Engineer subcontractor on an initial 12 month contract.    Job Title: Java Software Engineer Rate: £65.00 per hour Location: Bristol Hybrid / Remote working: The role will be onsite – a compressed 4 day week (Monday to Thursday is fine) Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)   Java Software Engineer Job Description: The team, at the Bristol facility, develop solutions for the next generation of Air Defence Systems; developing evolving products whilst maintaining their enviable reputation for safety, performance and dependability. This is a very hands-on role and requires the continued design and development of new and evolving software tools and architectures, and the instantiations for future products. Perfect...

World Class Defence Organisation based in Bristol is currently looking to recruit an Algorithm Software Engineer on an initial 6 month contract, with very likely extension.  The role will be onsite 4 days per week.  A 4 day working week is OK (Monday to Thursday).   Rate: £65.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bristol Hybrid / Remote working: The role will be onsite 4 days per week. A 4 day working week is OK (Monday to Thursday). Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Job Description: Work alongside algorithm engineers and technical expert to transcode a large, complex legacy algorithm codebase from ADA to Matlab As part of a wider team, define, distribute and review core activities to enable efficient completion of the transcoding within project...

World Class Defence Organisation based in Bristol is currently looking to recruit a C++ Software Engineer subcontractor on an initial 6 month contract, with very likely extension.  The role will be onsite 4 days per week.  A 4 day working week is OK (Monday to Thursday).   Rate: £65.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bristol Hybrid / Remote working: The role will be onsite 4 days per week. A 4 day working week is OK (Monday to Thursday). Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Job Description: The company are a world leader in missile and missile systems looking for a highly capable and adaptable to join our Development Facility in Bristol. Join the growing dynamic Software team in Bristol in developing the latest mission-critical defence systems....

World Class Defence Organisation is currently looking to recruit 5x Embedded Software V&V Engineer subcontractors on an initial 6 month contract.  Skills in C, C++ or ADA are beneficial.  A defence or aerospace industry background would also be great.   Rate: £70.00 per hour Location: Stevenage or Bristol, depending on your preference. Hybrid / Remote working: Full time on site (occasional work from home day) (The company are happy with a 4 day week) Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Interview process: 1 stage video interview   Embedded Software V&V Engineer Job Description:   The department create the complex, highly reliable real-time software that powers missile systems and their components, ensuring that they provide the performance and functionality our users require when they...

World Class Defence Organisation is currently looking to recruit 5x Embedded Software V&V Engineer subcontractors on an initial 6 month contract.  Skills in C, C++ or ADA are beneficial.  A defence or aerospace industry background would also be great.   Rate: £70.00 per hour Location: Stevenage or Bristol, depending on your preference. Hybrid / Remote working: Full time on site (occasional work from home day) (The company are happy with a 4 day week) Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Interview process: 1 stage video interview   Embedded Software V&V Engineer Job Description:   The department create the complex, highly reliable real-time software that powers missile systems and their components, ensuring that they provide the performance and functionality our users require when they...

Our client, a large Aerospace and Defence supplier is looking for a Project Engineer to join them on a contract basis at their site in Stevenage. Due to the nature of the role, applicants must hold the sole British nationality and be eligible to achieve full SC Clearance ahead of starting. 12-month initial contract. £50 p/h Umbrella, inside IR35. 4-5 days per week onsite in Stevenage.Overview of department: WSSE are integral in the development of weapon systems and system architectures, and as a result we have developed a capability supporting developments across the full product life cycle. The team integrate real products, models and synthetic environments to provide visualisations, demonstrations, verification & validation as well as training capability and support. Responsibilities: The role is to support the delivery of integration tools to customers acting as the liaison between WSSE and Manufacturing Working with Project Leads and development teams to understand the...

Are you an experienced C++ Developer based in Belfast who is now looking for a new challenge? If so, this is the role for you.  Contract day rate on application Belfast About the Role: You’ll be an experienced C++ Developer and will be working on our core platform, which serves as a crucial component in the operations of top-tier companies. This role requires a skilled individual with a deep understanding of high-performance, low-latency applications, who can contribute effectively to a wider development team while demonstrating independence and ownership of key projects. In this role as a C++ Software Engineer, you will be responsible for designing, developing, and supporting high-throughput, low-latency applications. You will collaborate with a wider team to develop new features and maintain existing systems, while optimising performance and troubleshooting issues in a Linux/Unix environment. Additionally, you will apply strong coding practices to ensure the delivery of...

DV Cleared Senior Software Engineer Aldermaston - Onsite 12-month contract | Outside IR35 Are you a DV cleared Software Engineer who can take full ownership of software delivery on site? Do you enjoy building Siemens PLC solutions from scratch in secure, regulated environments? Looking for a long-term contract with a strong on-site engineering focus? What's in it for you ·£650 to £750 per day ·Outside IR35 ·12-month contract ·4-5 days onsite per week ·Work on high-security, technically challenging projects What will you be doing? ·Designing, developing and programming Siemens PLC systems from scratch ·Leading all software activities on an assigned project ·Configuring Siemens PLCs, HMIs and associated networks ·Producing on-site test documentation and supporting FATs and SATs ·Carrying out on-site testing and commissioning of PLC systems ·Acting as the technical interface with the client during delivery ·Providing technical leadership, mentoring and support to other engineers...