1 to 25 of 182 Contract Software Engineering Jobs in England

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 … 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 … structures. Collaborate with other engineers, mentoring and sharing knowledge. Produce maintainable, clean code based on the "less is more" principle. Essential Skills & Experience Expert in TypeScript or a similar software development language , with strong back-end development experience. Extensive experience in applying well-known software design patterns. Proven ability to work independently with minimal guidance. Advanced algorithmic approach 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 … 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 … structures. Collaborate with other engineers, mentoring and sharing knowledge. Produce maintainable, clean code based on the 'less is more' principle. Essential Skills & Experience Expert in TypeScript or a similar software development language , with strong back-end development experience. Extensive experience in applying well-known software design patterns. Proven ability to work independently with minimal guidance. Advanced algorithmic approach More ❯

Contract: Software Engineering Manager - Greenfield Pension Platform Day Rate: £700 Outside IR35 Contract Industry: Financial Services Location: Bristol - Hybrid (1-2 days onsite) About the Role We are supporting a leading FTSE100 firm on a major greenfield initiative: the creation of a new and innovative pension product platform. This is a high-impact, long-term programme (running until … with significant opportunity to shape architecture, engineering practices, and delivery. The Software Engineering Manager will play a pivotal role, combining engineering management with elements of technical leadership. You'll work closely with senior stakeholders to define the technical roadmap, then lead and grow a cross-functional squad to deliver the platform. Key Responsibilities: Partner with the … Head of Software and Solution Architect to define the technical roadmap and architecture in the first 3 months. Guide and influence technical decisions, ensuring robust and scalable solutions. Build, manage, and support a cross-functional squad (5-7 engineers across front-end, back-end, BA, and solution architecture). Drive engineering best practices, mentoring and coaching team members. More ❯

potential for extension) Location: Gaydon, Warwickshire (Hybrid - typically 3 days on-site) Pay Rate: £33.00 per hour (Umbrella/Inside IR35) About Envisage: Envisage is a specialist in automotive engineering and design, delivering cutting-edge solutions for the future of mobility. We are seeking a highly skilled and motivated Senior Integration Engineer to join our dynamic team, working on … a next-generation vehicle platform. Role Purpose: To lead the diagnosis and resolution of complex software and systems issues during the development phase of a premium automotive vehicle platform. The successful candidate will be a key member of the Central Systems Integration team, responsible for planning and coordinating the delivery of integrated software from multiple ECUs to deliver … full vehicle features and systems. Key Duties and Responsibilities: • Lead the investigation and root cause analysis of systems and software issues within the vehicle development environment. • Determine the level of urgency for newly identified issues and initiate the appropriate response. • Ensure the accuracy and quality of data captured for Level 1 triage issue tickets, providing clear and concise problem More ❯

Principal Software Engineer (PLC) Location: Barrow, Cumbria (1-2 days on site each month) Duration: 12 months Rate: £50 per hour PAYE or £67.47 per hour Umbrella We are looking for a Software Engineer to be involved in designing, developing, and delivering cutting edge systems for the world's most advanced military submarines. Our client is recruiting a … Software Engineer to join the Integrated Systems PMS C&I team to be based at their site at Barrow In Furness, Cumbria. As a Principal Software Engineer, you will be able work to recognised industry standards to produce innovative, high quality software products. Working within a multi-disciplined team and utilising a variety of tools and programming … languages, you will engage in all aspects of the software development cycle from requirements elicitation through design, development and test. As a senior member of the team, you will be able to take responsibility for your own and others work as well as provide technical assistance to support the development of junior members of the team. You will take More ❯

Software Documentation Officer 12 month contract Based in Bristol Offering circa 65ph Inside IR35 Do you have experience with formal safety software? Do you have an understanding of the Software Engineering lifecycle? Do you want to work with an industry-leading company? If your answer to these is yes, then this could be the role for … you! As the Software Documentation Officer, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry. You will be involved in: Assist our software development teams with planning, documentation, configuration, and delivery Providing software input and configuration management Supporting multiple programmes Directly interfacing with software engineers and project leaders Supporting internal customer teams, such as Test and lab custodians Supporting the delivery of Integration deliverables Your skillset may include: Experience of software process in high-reliability, safety, or regulated sectors More ❯

Software Documentation Officer 12 month contract Based in Bristol Offering circa £65ph Inside IR35 Do you have experience with formal safety software? Do you have an understanding of the Software Engineering lifecycle? Do you want to work with an industry-leading company? If your answer to these is yes, then this could be the role for … you! As the Software Documentation Officer, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry. You will be involved in: Assist our software development teams with planning, documentation, configuration, and delivery Providing software input and configuration management Supporting multiple programmes Directly interfacing with software engineers and project leaders Supporting internal customer teams, such as Test and lab custodians Supporting the delivery of Integration deliverables Your skillset may include: Experience of software process in high-reliability, safety, or regulated sectors 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 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 week … 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 ❯

Job title: Senior Software Engineer Location: Full Remote (Very occasional travel to offices in Cheshire) Type: Contract/Outside IR35/6 months initial duration + possible renewals About the Role We re looking for Senior Software Engineers to join our client's dynamic Engineering team and play a key role in building high-quality, scalable software solutions. As a senior member of the team, you ll take ownership of full-stack development, contribute to software architecture, drive engineering best practices, and mentor junior team members. You ll work closely with Product Owners, Architects, and DevOps to ensure delivery excellence across a diverse range of projects. What You'll Be Doing Software Development … Web APIs following best practices Use SQL Server, Entity Framework, and SQL for efficient data management Apply design patterns like OOP, SOLID, and Clean Code to write scalable code Engineering & Architecture Deliver high- and low-level estimations for projects Ensure software quality through unit and integration testing Perform code reviews and participate in pair programming Architect scalable, secure More ❯

Job title: Senior Software Engineer Location: Full Remote (Very occasional travel to offices in Cheshire) Type: Contract/Outside IR35/6 months initial duration + possible renewals About the Role We’re looking for Senior Software Engineers to join our client's dynamic Engineering team and play a key role in building high-quality, scalable software solutions. As a senior member of the team, you’ll take ownership of full-stack development, contribute to software architecture, drive engineering best practices, and mentor junior team members. You’ll work closely with Product Owners, Architects, and DevOps to ensure delivery excellence across a diverse range of projects. What You'll Be Doing Software Development … Web APIs following best practices Use SQL Server, Entity Framework, and SQL for efficient data management Apply design patterns like OOP, SOLID, and Clean Code to write scalable code Engineering & Architecture Deliver high- and low-level estimations for projects Ensure software quality through unit and integration testing Perform code reviews and participate in pair programming Architect scalable, secure More ❯

Job title: Senior Software Engineer Location: Full Remote (Very occasional travel to offices in Cheshire) Type: Contract/Outside IR35/6 months initial duration + possible renewals About the Role We're looking for Senior Software Engineers to join our client's dynamic Engineering team and play a key role in building high-quality, scalable software solutions. As a senior member of the team, you'll take ownership of full-stack development, contribute to software architecture, drive engineering best practices, and mentor junior team members. You'll work closely with Product Owners, Architects, and DevOps to ensure delivery excellence across a diverse range of projects. What You'll Be Doing Software Development … Web APIs following best practices Use SQL Server, Entity Framework, and SQL for efficient data management Apply design patterns like OOP, SOLID, and Clean Code to write scalable code Engineering & Architecture Deliver high- and low-level estimations for projects Ensure software quality through unit and integration testing Perform code reviews and participate in pair programming Architect scalable, secure More ❯

Contract AI Software Developer Duration: 6 months IR35 Status: Outside IR35 Location: Fully Remote Working Our client is seeking a skilled contract AI Software Developer to help shape and deliver artificial intelligent solutions in a modern .NET environment. You will be working fully remote and will focus on leveraging cutting edge AI tools across multiple areas of their … exciting product roadmap. The successful candidate will have an AI and .Net software engineering background ideally with historic experience with complex enterprise SaaS solutions. The role is deemed outside IR35. Key Responsibilities Design, develop, and deploy AI-powered features using C#/.NET technologies. Integrate AI and ML components into existing SaaS platforms. Collaborate with product and engineering … best practices and clean architecture. Key Skills Strong experience developing with .NET/C# in production environments. Proven track record of delivering or integrating AI/ML technologies into software solutions. Experience working with enterprise SaaS applications. Familiarity with integrating AI models into business processes. Familiarity with AI frameworks like ML.NET and/or Semantic Kernel is a big More ❯

Contract AI Software Developer Duration: 6 months IR35 Status: Outside IR35 Location: Fully Remote Working Our client is seeking a skilled contract AI Software Developer to help shape and deliver artificial intelligent solutions in a modern .NET environment. You will be working fully remote and will focus on leveraging cutting edge AI tools across multiple areas of their … exciting product roadmap. The successful candidate will have an AI and .Net software engineering background ideally with historic experience with complex enterprise SaaS solutions. The role is deemed outside IR35. Key Responsibilities Design, develop, and deploy AI-powered features using C#/.NET technologies. Integrate AI and ML components into existing SaaS platforms. Collaborate with product and engineering … best practices and clean architecture. Key Skills Strong experience developing with .NET/C# in production environments. Proven track record of delivering or integrating AI/ML technologies into software solutions. Experience working with enterprise SaaS applications. Familiarity with integrating AI models into business processes. Familiarity with AI frameworks like ML.NET and/or Semantic Kernel is a big More ❯

An incredible opportunity for an experienced Senior Backend Engineer with advanced Go skills to join a prestigious tech client on a contract basis. This company is renowned for its engineering excellence, and they're looking for a Senior Backend Engineer who can take their distributed systems to the next level. As a Senior Backend Engineer, you'll be working … on mission-critical, data-intensive applications that push the boundaries of technology, taking ownership of the full software engineering life cycle, including design, development, and implementation. Reporting into an Engineering Manager, the Senior Backend Engineer will also leverage modern technologies like AWS, Kubernetes, Docker, and Kafka, whilst also architecting and implementing microservices-based solutions in collaboration with … for optimising system performance, reliability, and scalability, as well as participating in code reviews, design discussions, and knowledge sharing. Senior Backend Engineer (Go) - Key Requirements: Significant professional experience in software development, with a strong focus on Back End systems Proficiency in Go/Golang and proven expertise in AWS, Kubernetes, and Docker Experience with end-to-end software More ❯

LLM, or chat interface teams on content generation or governance. Comfort conducting or analyzing content-specific usability testing. About Us: Ascendion is a global, leading provider of AI-first software engineering services, delivering transformative solutions across North America, APAC, and Europe. We are headquartered in New Jersey. We combine technology and talent to deliver tech debt relief, improve … engineering productivity solutions, and accelerate time to value, driving our clients’ digital journeys with efficiency and velocity. Guided by our “Engineering to the power of AI” [EngineeringAI] methodology, we integrate AI into software engineering, enterprise operations, and talent orchestration, to address critical challenges of trust, speed, and capital. For more information With Ascendion, you: Will get More ❯

expertise in banking or fintech, with a strong grasp of regulatory requirements, trust signals, and accessibility best practices. About Us: Ascendion is a global, leading provider of AI-first software engineering services, delivering transformative solutions across North America, APAC, and Europe. We are headquartered in New Jersey. We combine technology and talent to deliver tech debt relief, improve … engineering productivity solutions, and accelerate time to value, driving our clients’ digital journeys with efficiency and velocity. Guided by our “Engineering to the power of AI” [EngineeringAI] methodology, we integrate AI into software engineering, enterprise operations, and talent orchestration, to address critical challenges of trust, speed, and capital. With Ascendion, you: Will get to work on More ❯

Software Engineering Lead - SC clearance required - Remote with travel to Bristol for team meetings one day every other week. Initially until end of December then extension after £550 - £600 per day inside IR35 This is a hands-on leadership role responsible for actively supporting and guiding the team of 7 through complex technical challenges. The role involves breaking … ideal, we're open to strong candidates with adjacent skill sets. The technical stack is flexible for the right person. Candidates must have an active SC level security clearance Software Engineering Lead - SC clearance required - Remote with travel to Bristol for team meetings one day every other week. Initially until end of December then extension after More ❯

Software Engineering Lead - SC clearance required - Remote with travel to Bristol for team meetings one day every other week. Initially until end of December then extension after 550 - 600 per day inside IR35 This is a hands-on leadership role responsible for actively supporting and guiding the team of 7 through complex technical challenges. The role involves breaking … ideal, we're open to strong candidates with adjacent skill sets. The technical stack is flexible for the right person. Candidates must have an active SC level security clearance Software Engineering Lead - SC clearance required - Remote with travel to Bristol for team meetings one day every other week. Initially until end of December then extension after More ❯

Job Title: Technical Software Documentation Officer Location: Bristol Rate: £65 p/h - We are booking interviews next week! Please call or email for a slot We are looking for a capable, self-driven and flexible software professional to support multiple development teams in project management and software delivery. It would suit someone who enjoys multi-tasking … project management support and can act as a lynchpin, enabling my client to successfully deliver fully qualified software products. The Role: So, what will you be doing as a Technical Software Documentation Officer A process champion to assist our software development teams with planning, documentation, configuration and delivery. Key skills required include: Experience of software process … in high reliability, safety or regulated sectors Experience of Software Engineering Lifecycle Knowledge of Project Management principles Role includes: Providing software input and configuration management Supporting multiple programmes Directly interfacing with software engineers and project leaders Supporting internal customer teams, such as Test and lab custodians Supporting delivery of Integration deliverables What are we looking for 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 reassignment, sexual orientation 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 in C# … 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 More ❯

World Class Defence Organisation based in Bristol is currently looking to recruit a Technical Software Documentation Officer subcontractor on an initial 12-month contract. ** The department are not looking for a Software Engineer (this is not an engineer position). They are looking for someone with Documentation experience, ensuring all is correct for software releases. The role … will require an understanding of the software process. ** Rate: £65 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 but the department are happy for the role to be worked on a 4-day week (Monday … basis Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview process Technical Software Documentation Officer Job Description: Capable, self-driven and flexible software professional to support multiple development teams in project management and software delivery. It would suit someone who More ❯

Hybrid (Oxford). 6 Month initial contract opportunity, for a Product Manager or Technical BA with significant hands on Drupal experience – the role might suit a candidate from a software engineering or testing background in Drupal. The project involves the migration of a CMS development platform as opposed to a single Drupal website - experience of Drupal platform development … office with 1-2 days per week in Oxford. What experience you’ll need to apply for this role Technical BA/Product Manager (Senior). Drupal (Expert). Software Engineering Background (Desirable). What you’ll get in return for your experience The daily rate is £500 – £650 p/day “Outside IR35?, however, all quotes from More ❯

Controls System Engineer 6 Month Contract 55- 65ph Buckinghamshire Organisation Overview Our client, a leading advanced technology company, applies the pursuit of excellence from motor sports to solve complex engineering challenges in various industries. Specialising in aerodynamics and high-performance vehicle design, they drive innovation and technological breakthroughs. They offer an exciting and dynamic work environment that values world … class engineering and technological prowess. Role Summary Our client is seeking a Controls System Engineer on a contract basis to contribute to the development of control systems and software for projects. This role, plays a crucial part in meeting project requirements, from initial development to testing for production application. Utilising cutting-edge tools like MATLAB/Simulink and … prototype control systems while ensuring project ownership and performance. Responsibilities Translate specifications and requirements into functional systems, engaging in physical testing and production applications. Prototype control systems hardware and software using MATLAB/Simulink and dSpace HIL rigs. Engage in various software development tasks as necessary, ensuring project functionality and performance. Essential Skills & Experience Degree in Control, Software More ❯