1 to 25 of 68 Contract Software Engineer Jobs in the UK excluding London

CONTRACT SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW CONTRACT JOB OPPORTUNITY AVAILABLE WITHIN A LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Contract job opportunity for a Senior Software Engineer Globally leading defence/cyber security company £500 - £750 per day (inside and outside IR35 roles available) London based organisation in … an easily accessible location Contract Senior Software Engineer To apply please call or email WHO WE ARE? We are recruiting multiple contract Senior Software Engineers to work with various clients in London ranging from R&D companies, Multi-National Consultancies to SME's and product based companies. Due to the nature of the work these clients do … you must hold enhanced DV Security Clearance. WHAT WILL THE SENIOR SOFTWARE ENGINEER BE DOING? As a Senior Software Engineer, you will work with an experienced agile team to design and deliver packages of bespoke work, work development teams and liaise with customers. You will work through the entire software development life cycle from requirements More ❯

PLC Software Engineer Security Cleared - Siemens Berkshire Contract Outside IR35 - £55hr 6 month contract Samuel Frank is recruiting for a Siemens PLC Software Engineer who has current DV level security clearance to work on site in Berkshire for at least 6 months. Key aspects to the PLC Software Engineer position include; The successful PLC … Software Engineer will be responsible for updating, modifying and configuring existing Siemens TIA Portal PLC software and HMIs on the clients site Carry out Siemens PLC software installation, testing and commissioning Knowledge of Siemens SCALANCE or Siemens Network Switches ideal, not essential Experience of writing on-site test documentation Youll need to be a British passport … holder and have lived in the UK for at least the last 5 years and have current DV level security clearance If youre an experienced Siemens PLC Software Engineer and have the required level of security clearance, but youre not available for another 4-6 weeks, that could work. Whilst the preference is for someone to start asap More ❯

PLC Software Engineer Security Cleared - Siemens Berkshire Contract Outside IR35 - £55hr 6 month contract Samuel Frank is recruiting for a Siemens PLC Software Engineer who has current DV level security clearance to work on site in Berkshire for at least 6 months. Key aspects to the PLC Software Engineer position include; The successful PLC … Software Engineer will be responsible for updating, modifying and configuring existing Siemens TIA Portal PLC software and HMIs on the client s site Carry out Siemens PLC software installation, testing and commissioning Knowledge of Siemens SCALANCE or Siemens Network Switches ideal, not essential Experience of writing on-site test documentation You ll need to be a … passport holder and have lived in the UK for at least the last 5 years and have current DV level security clearance If you re an experienced Siemens PLC Software Engineer and have the required level of security clearance, but you re not available for another 4-6 weeks, that could work. Whilst the preference is for someone More ❯

PLC Software Engineer – Security Cleared - Siemens – Berkshire – Contract – Outside IR35 - £55hr – 6 month contract Samuel Frank is recruiting for a Siemens PLC Software Engineer who has current DV level security clearance to work on site in Berkshire for at least 6 months. Key aspects to the PLC Software Engineer position include; The successful PLC … Software Engineer will be responsible for updating, modifying and configuring existing Siemens TIA Portal PLC software and HMIs on the client’s site Carry out Siemens PLC software installation, testing and commissioning Knowledge of Siemens SCALANCE or Siemens Network Switches – ideal, not essential Experience of writing on-site test documentation You’ll need to be a … passport holder and have lived in the UK for at least the last 5 years and have current DV level security clearance If you’re an experienced Siemens PLC Software Engineer and have the required level of security clearance, but you’re not available for another 4-6 weeks, that could work. Whilst the preference is for someone More ❯

Outside IR35 Software Engineer My market leading client has a superb new opening for an experienced hardware-oriented Software Engineer to join them on an initial 6 month contract. This role is Outside IR35. Due to the nature of hardware requirements it will involve 3 days a week on-site in Cambridge; 2 days a week … working from home. Candidates must have at least 5 years Python development experience, working on highly numerical software with associated libraries (i.e. NumPy, SciPy etc). Previous experience working on instrumentation or control-based-software working with large amounts of sensor data is essential. Ideally candidates will also have a physics background that they can apply to their … engineering. Market rates. Please send an up-to-date CV if interested for more details. python developer, software engineer, software developer, hardware engineer, mathematics, physics, physicist, numpy, scipy, control, systems egineer, instrumentation, software engineering g2 Recruitment are committed to equality of opportunity for all applications from individuals are encouraged regardless of age, disability, sex, gender More ❯

PLC Software Engineer Security Cleared - Siemens Berkshire Contract Outside IR35 - £55hr 6 month contract Samuel Frank is recruiting for a Siemens PLC Software Engineer who has current DV level security clearance to work on site in Berkshire for at least 6 months. Key aspects to the PLC Software Engineer position include; The successful PLC … Software Engineer will be responsible for updating, mo click apply for full job details More ❯

Role - Software Engineer, C/C++ Location - Hybrid, Home and onsite in Fareham Contract - 6 months Rate - £475 to £525 per day Start - ASAP This role has been deemed Inside IR35. You must hold active SC Clearance to be eleigible for this role. The Opportunity We are working in partnership with a leading defence systems integrator to recruit … a Software Engineer for an exciting, long-term programme of international work. This role offers the chance to join a highly skilled team delivering cutting-edge software solutions across complex and challenging projects. If you're looking to develop your career in a dynamic environment where no two projects are the same, this is an excellent opportunity. … The Role As a Software Engineer, you'll play a key part in the full software development lifecycle – from design and development through to testing, integration, and deployment. You'll work within a collaborative Agile team, contributing to solutions that solve a wide variety of technical challenges while ensuring quality, performance, and reliability. Key responsibilities include: Designing More ❯

Senior Software Engineer Location: Edinburgh (Hybrid) Contract: 6 Months (Initial) IR35 Status: Inside IR35 Our client, a leading organisation within the financial services sector, is seeking a highly motivated and experienced Senior Software Engineer to join their team on a 6-month initial contract. This role offers the opportunity to work on high-impact systems within … a secure, high-availability environment, supporting the development of services hosted on Public Cloud platforms. Youll bring strong software engineering expertise, coupled with DevOps proficiency across AWS and GCP, to design and implement resilient frontend clients, backend services, infrastructure automation, and cloud-native solutions. Key Responsibilities Design, develop and maintain secure, performant backend REST API services and frontend clients … Support live systems, conduct root cause analysis, and deliver solutions for incidents and performance bottlenecks. Skills & Experience Bachelors/Masters in Computer Science or equivalent experience. 5+ years in software engineering with experience in large-scale distributed systems. Proficient in Python and GoLang. Strong background in cloud technologies (AWS and/or GCP), networking, IAM, and cost optimisation. Hands More ❯

Job Title: Embedded Software Engineer - Power Location: Lichfield Term: 6 Month Initial IR35: INSIDE Hourly Rate: £DOE Key Skills: Embedded Software, Engineering, C++, Python, Microcontrollers, DSPs, MATLAB, Simulink, DOORS, Requirements Management, Aerospace, Electronics, Testing The Role: Are you an embedded controls specialist with a passion for tackling complex engineering challenges? We're looking for a highly skilled … Embedded Software Engineer to join our dynamic project team on a contract basis. You'll be the go-to expert driving the design, implementation, and verification of cutting-edge embedded software applications across multiple high-profile programmes. What are we looking for in our next Embedded Software Engineer? Take the lead as the embedded technical … industry standards. Drive re-use and standardisation across projects, maximising efficiency and value. Qualifications/Experience: A BEng/MEng or MSc/PhD in Electrical, Electronic, Systems, or Software Engineering. A proven background delivering embedded software/firmware in one or more regulated industries (automotive, aerospace, defence, nuclear, etc.). Proficiency in embedded C/C++ and More ❯

note that this a 24 months Fixed Term Contract Want to use your coding skills in a meaningful way whilst working from home? BPAS are looking for an enthusiastic Software Engineer with Microsoft SQL, C# and JavaScript programming skills to play a key role in the full system development lifecycle from idea to delivery. As a Software Engineer, you will directly contribute to making a real difference at BPAS. Youll be valued for your contribution in a small, friendly, highly skilled IT team that supports an organisation with ambitious plans for the future. This is a remote, full-time role (36 hours per week, Monday to Friday). A detailed working pattern is available below. … About You: We are looking for a confident and articulate software engineer with solid hands-on experience in a similar role. You'll be technically adept in Microsoft SQL, JavaScript and jQuery/Angular, C#, .Net with good working knowledge of Visual Studio, SQL Server Management Studio and Subversion, Git or similar. You will have an ability to More ❯

Software Engineer - Azure DevOps | Glasgow (5 days a week) | 6-month contract | £500-£650 (DOE) (Inside IR35) Location: Glasgow, 5 days a week Duration: 6-months Rate: £500 - £650 p/day We're looking for a Software Engineer with strong experience in DevOps and cloud-native development , ideally within a financial services or large enterprise … Business in relation to this vacancy. To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website. Software Engineer - Azure DevOps | Glasgow (5 days a week) | 6-month contract | £500-£650 (DOE) (Inside IR35) Oscar Associates (UK) Limited is acting as an Employment Business in relation More ❯

On behalf of the Met Office, we are looking for a Scientific Software Engineer (Python) (Inside IR35) for a 6 month contract based hybrid in Exeter once every 3 weeks. Are you an experienced Software Engineer with experience and knowledge within a mathematical, physical or computational science or related discipline? This role may be of interest … the organisation and cloud platforms, and supporting the creation of curated datasets for use in further analysis and research. Your key duties Your work will include a variety of software development, IT system development and quality assurance related activities, including: . Plan, design and develop operational data services exploiting cloud computing technologies to efficiently produce forecasts and contribute to … and ensure that forecast services fully meet their needs Essential Qualifications, Skills and Abilities: . Experience and knowledge in a mathematical, physical or computational science or related discipline . Software development: Experience of leading significant scientific software developments and maintaining scientific software applications across multiple or complex platforms and solving complex software coding problems in Python. More ❯

A well-established business is looking for an accomplished Software Engineer with expert Python skills to join its organisation. Please note, this role is Outside IR35. The company embraces hybrid and flexible working so you will be able to work fully remotely, with occasional visits (perhaps once per month) to the office in London. Web, software, and … AI-enabled technology are fundamental to the success of the business so you must have proven experience of developing great software in Python and an interest in adopting cutting-edge technology.In order to be suitable for this Lead Software Engineer role you must be an accomplished developer with a passion for technology and desire to mentor a … role of significant responsibility, you will be both a Lead Developer and guide 2 in-house developers and an offshore team. You will act as a technical authority on software written in Python, lead architectural discussions, code, ensure technical quality and deliver complex software projects. You will also partner with key stakeholders to drive forward technological innovation and More ❯

A well-established business is looking for an accomplished Software Engineer with expert Python skills to join its organisation. Please note, this role is Outside IR35. The company embraces hybrid and flexible working so you will be able to work fully remotely, with occasional visits (perhaps once per month) to the office in London. Web, software, and … AI-enabled technology are fundamental to the success of the business so you must have proven experience of developing great software in Python and an interest in adopting cutting-edge technology. In order to be suitable for this Lead Software Engineer role you must be an accomplished developer with a passion for technology and desire to mentor … role of significant responsibility, you will be both a Lead Developer and guide 2 in-house developers and an offshore team. You will act as a technical authority on software written in Python, lead architectural discussions, code, ensure technical quality and deliver complex software projects. You will also partner with key stakeholders to drive forward technological innovation and More ❯

Software Engineer | 6 Month Contract (OIR35) | Bristol | £350-450 p/day We're looking for a versatile Software Engineer to join a leading Bristol-based business, delivering high-quality solutions for clients across finance, e-commerce, and technology. This is a hands-on role where you'll work across the full stack. Back-end services … applications using JavaScript, React, Node.js, and TypeScript. Location: Bristol (On-site) Contract: 6 Months (OIR35) Rate: £350-450 p/day Start date: ASAP Key Responsibilities: Build and maintain software using C#/.NET, Python, JavaScript, React, Node.js, and TypeScript Develop and optimise APIs, services, and integration layers. Deliver end-to-end features across back-end, front-end, and … TypeScript, and modern full-stack development. Experience with SQL/NoSQL databases (PostgreSQL, MongoDB, SQL Server). Familiarity with cloud environments (AWS, Azure, or GCP). Solid grounding in software engineering best practices - testing, design patterns, version control (Git). Agile team experience with strong communication and collaboration skills. If this sounds like you, appy now for immediate consideration. More ❯

World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a C++ Software Engineer subcontractor on an initial 12 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). Candidates with a strong C++ Software Engineering/Embedded … Software Engineer background ideally from the Defence/Aerospace industry would be suitable for this position. Rate: £67.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at time and a quarter Location: Stevenage Hybrid/Remote working: The role will be onsite 4 days per week. A 4 day working … 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: By embracing the latest software technologies and methods the Development Simulation software department delivers exceptional software solutions for non-production based test systems that meet the unique requirements of the prime software More ❯

World Class Defence Organisation is currently looking to recruit 3x C#/C++ Software Engineer subcontractors on an initial 12 month contract. Job Title: C#/C++ Software Engineer Rate: £65.00 per hour Location: Stevenage Hybrid/Remote working: The role will be a hybrid role of 3 or 4 days per week onsite. The role … 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) 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 … work as part of a heterogeneous agile development team, made up of mixed discipline engineers working in synergy to develop simulations and representations of real equipment. Our approach to software development includes Configuration control Continuous Integration Continuous Delivery or Deployment. Unit testing and test driven development. Skillset/experience required: Proficient in C#/C++ Microsoft Visual Studio, Eclipse More ❯

World Class Defence Organisation is currently looking to recruit 3x C#/C++ Software Engineer subcontractors on an initial 12 month contract. Job Title: C#/C++ Software Engineer Rate: £65.00 per hour Location: Stevenage Hybrid/Remote working: The role will be a hybrid role of 3 or 4 days per week onsite. The role … 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) 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 … work as part of a heterogeneous agile development team, made up of mixed discipline engineers working in synergy to develop simulations and representations of real equipment. Our approach to software development includes Configuration control Continuous Integration Continuous Delivery or Deployment. Unit testing and test driven development. Skillset/experience required: Proficient in C#/C++ Microsoft Visual Studio, Eclipse More ❯

Contract Software Engineer/Lead Developer - Expert The Role We're looking for an exceptional Software Engineer/Back-End Developer - a true 'super dev' - with proven Design Patterns expertise and a deep understanding of software engineering/development. This is a high-level contract role, suitable for someone operating at a Principal Engineer or Lead Engineer level. You'll join a small, highly skilled team building a new platform driven by innovative algorithms, clever data structures, and design patterns-based architecture. Working closely with the Head of Architecture, you'll take abstract concepts and requirements, distil them, and deliver high-quality, elegant solutions. This is a role for someone who thrives … based. Rate: circa £680 per day (inside IR35) Duration: 6 months initially Start: ASAP September 2025 Key Responsibilities Lead the back-end development of a new platform. Apply advanced software engineering/development and design patterns Translate abstract concepts into working, production-ready solutions. Employ Test-Driven Development (TDD) and SOLID principles. Build robust, scalable algorithms and efficient data More ❯

This is a fantastic opportunity to work as a Lead Software Engineer, requiring 1 day per every other week on site in Bristol city centre, inside IR35. The key experience required for this Lead Software Engineer role is: React Node Jenkins Terraform If you do have the relevant experience for this Lead Software Engineer More ❯

Software Engineer - Azure/.NET Core (Contract) Location: Remote with occasional day on site Contract Type: 9-12 months (with potential extension) Start Date: November 2025 Rate: up to £425/day IR35: Outside We're seeking a Software Engineer to join a project team rebuilding a critical customer-facing application for our client. You'll More ❯

Senior Python Engineer - Contract Opportunity long term 5 Days in office Cambridge Our client is seeking a contract software engineer to support and enhance the software and systems used in their data collection lab located in Cambridge, UK. The role involves building software that interfaces with cutting-edge prototype devices and integrating them into a … robust data collection platform. You'll collaborate with a multidisciplinary team of audio/video engineers, recording technicians, software engineers, and researchers across locations. The role requires strong communication and teamwork skills to scope, prioritize, and deliver high-quality, maintainable software. Improve efficiency, reliability, and accuracy of data collection processes. Work with audio, video, inertial measurement, and other sensor … analyses. Collaborate with engineers to triage issues, design solutions, and estimate work. Key Skills Python Linux Shell Scripting RESTful APIs Database systems (SQL and NoSQL) UI development Job Title: Software Engineer Location: Cambridge, UK Job Type: Contract Trading as TEKsystems. Allegis Group Limited, Bracknell, RG12 1RT, United Kingdom. No Allegis Group Limited operates as an Employment Business and More ❯

Lead Software Engineer (Technical Lead) ?? Leeds, Manchester, or Newcastle | ?? 60% Office-Based (Hybrid) ? 12-Month Contract | ?? Up to £750/day (Umbrella) Make a Real Impact at a National Scale Our client, one of the UKs most high-profile government departments, are looking for someone to help shape the future of a critical public service supporting millions across … the country. Were looking for an outstanding Lead Software Engineer (Technical Lead) to provide hands-on leadership to digital delivery teams building and supporting core citizen and agent-facing services. This is your chance to play a pivotal role in transforming monolithic legacy systems into scalable, modern microservice architectures , backed by a forward-looking tech strategy. ?? What Youll … Be Doing Lead agile teams developing digital products or shared platform capabilities. Shape and influence strategy while delivering hands-on engineering support. Ensure best practices in software engineering, version control, and secure development. Champion technical excellence and ensure alignment to engineering standards. Mentor and guide engineers, fostering a culture of innovation and collaboration. Drive continuous improvement in service design More ❯

C++ Software Engineer Location: Bristol, Full time on site Duration: 6 Months initial SC Clearance Required Rate: £65 ph Umbrella Our client s HMI & Cyber team is looking for software engineers to join them in developing the future laser defence capability for the Royal Navy. We are looking for engineers with both a deep and broad range … of experience in software engineering throughout the development as well as being able to support and mentor other engineers in their team. Skillset/Experience required: Use of C++ in a safety related environment Knowledge of Software development practices and process is required A Software Engineer capable of design, development and proving of efficient Software. Bonus More ❯

C++ Software Engineer Location: Bristol, Full time on site Duration: 6 Months initial SC Clearance Required Rate: £65 ph Umbrella Our client’s HMI & Cyber team is looking for software engineers to join them in developing the future laser defence capability for the Royal Navy. We are looking for engineers with both a deep and broad range … of experience in software engineering throughout the development as well as being able to support and mentor other engineers in their team. Skillset/Experience required: Use of C++ in a safety related environment Knowledge of Software development practices and process is required A Software Engineer capable of design, development and proving of efficient Software. Bonus More ❯