1 to 25 of 43 Remote Contract Software Engineer Jobs

Software Engineer | £400 - £425 | Outside IR35 | 12 Months | Fully Remote We’re recruiting an experienced Software Engineer to support our client on a contract basis. This 12-month contract is determined as Outside IR35 and offers a daily rate of £400 - £425 per day. This project can be completed on a fully remote basis however occasional … methodologies, and GIS Develop ETL pipelines of large-scale Raster, Vector and Tabular Data. Collaborate with developers, designers, analysts to build and improve applications. Research, design, test, and maintain software programs and system modifications. Ensure code quality through testing, deployment tools, and QA collaboration. Recommend tech solutions using industry best practices and benefit analysis. What to do next If … this Software Engineer role sounds like a good fit, please apply with your most up-to-date CV and I’ll be in touch. Software Engineer | £400 - £425 | Outside IR35 | 12 Months | Fully Remote More ❯

Senior Software Engineer (MongoDB/Django) 6-Month Contract Outside IR35 Fully Remote About the Role Were looking for a Senior Software Engineer with deep expertise in MongoDB to help solve complex integration challenges between Django and MongoEngine within a live production environment. This is a hands-on engineering role, suited to someone who can move … on effective MongoDB usage patterns and integration strategies. Help evolve internal tooling, libraries, and data access layers to streamline development. What Were Looking For Proven experience as a Senior Software Engineer with a strong focus on backend systems and database design. Advanced MongoDB knowledge schema design, aggregation pipelines, performance tuning, replication, and indexing strategies. Strong experience with Django More ❯

World Class Defence Organisation is currently looking to recruit a C#/C++ Software Engineer subcontractor on an initial 12 month contract. The department are happy to consider candidates with a mixture of C# and C++ or someone with just C# experience. Job Title: C#/C++ Software Engineer Rate: £65.00 per hour Location: Stevenage Hybrid … 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 a C#/C++ Software Engineer subcontractor on an initial 12 month contract. The department are happy to consider candidates with a mixture of C# and C++ or someone with just C# experience. Job Title: C#/C++ Software Engineer Rate: £65.00 per hour Location: Stevenage Hybrid … 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 ❯

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 ❯

Job Title: Software Engineer/Senior Software Engineers – Linux, C++, Networking, Python (All Levels) Location: Bristol - Hybrid Type: Full-time, 12 month FTC Salary: Competitive, commensurate with experience Whether you have 18 months or 5+ years of relevant experience, if you’re passionate about building high-performance systems in a dynamic environment, we’d love to hear … from you. About the Role We are partnering with a well-established high-tech scale-up to find experienced Software Engineers to join their dynamic and innovative team. This is a hands-on engineering role where you’ll be instrumental in the design, development, and maintenance of advanced systems and associated platforms. You’ll work across planned software feature development, real-time troubleshooting, and complex systems integration. This is a great opportunity to deepen your skills in high-performance software and modern infrastructure while working in a collaborative, fast-paced environment. Key Responsibilities Develop, enhance, and maintain robust software solutions for mission-critical systems. Design and implement multithreaded C++ applications for data processing. Script tools More ❯

Software Engineer - Remote - 6 months - up to £500 per day (Outside IR35) Our client is looking for a Software Engineer to transform commercial real estate with an AI-powered platform that automates workflows, integrates seamlessly with Microsoft 365, and delivers smarter, scalable processes. What You'll Do: Develop back-end services and APIs powering AI automation … PowerPoint. Collaborate with the founding team to streamline data processing and reporting. Mentor engineers and help shape the platform's architecture. What We're Looking For: 4+ years in software engineering (start-up or SaaS preferred). Strong Python & C# skills; API and cloud architecture experience (Azure a plus). Experience with Excel add-ins or Office JS APIs More ❯

Software Engineer - Python/Java Hybrid Working - London - 2 days a week on site. Financial Services Lorien's leading banking client is looking for a Software Engineer to become part of the expanding team on, the ideal candidate will come from a Financial Services or Regulated Background, with strong skills in using Python, Java, and experienced More ❯

World Class Defence Organisation based in Stevenage is currently looking to recruit an Embedded C Software Engineer subcontractor on an initial 6 month contract. This role can be worked on a 4 day week basis. Hourly Rate: £68.00ph (Umbrella). Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at time and a … . 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 Embedded C Software Engineer Job Description: Join a growing Software team in Stevenage, working as part of a dynamic team to develop, test and deliver innovative solutions by exploiting a … wide portfolio of software technologies. You will work as part of a small team and be empowered to work individually with little supervision. You will need to be able to work independently and be self driven whilst providing some technical leadership. You will need to be very proactive and comfortable working with teams outside of the SW department, and More ❯

Contract Software Engineer | Up to £400 per day | Outside IR35 | London/Hybrid or Remote | 3 Month Rolling About the Role: We are seeking a Mid to Senior Software Engineer to join a fast-paced, dynamic project. This role offers hands-on involvement across the full development lifecycle, from requirements gathering to production release, within a … collaborative, scale-up style environment. Key Responsibilities: Take ownership of deliverables and proactively solve technical challenges. Collaborate closely with cross-functional teams. Contribute to the full software development lifecycle, including requirement definition, coding, testing, and release. Technical Requirements: Next.js: Proven experience building scalable, performant web applications with server-side rendering and API integrations. React Native: Ability to develop and More ❯

World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit an Embedded ADA Software Engineer subcontractor 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. Hourly Rate: £70.00ph (Umbrella). Overtime Rate: Hours worked over the standard … . 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 Embedded ADA Software Engineer Job Description: Join the growing Software team in Stevenage, working as part of a dynamic team to develop, test and deliver innovative solutions by exploiting a … wide portfolio of software technologies. You will work as part of a small team and be empowered to work individually with little supervision. You will need to be able to work independently and be self driven whilst providing some technical leadership. You will need to be very proactive and comfortable working with teams outside of the SW department, and More ❯

World Class Defence Organisation based in Stevenage is currently looking to recruit an Embedded C/C++ Software Engineer subcontractor on an initial 6 month contract. Hourly Rate: £70.00ph (Umbrella). 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 … Months with very likely extension. Contracts are often ongoing and long-term thereafter. IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview Embedded C/C++ Software Engineer Job Description: The company is a world leader in missile and missile systems looking for a highly capable and adaptable Engineers to join the Development Facility in Stevenage … Hertfordshire.You will be responsible for developing the software through the full lifecycle for safety related real-time systems application software for the next generation of Missile Systems. This is a technical hands-on role working the full software lifecycle. Responsibilities: Responsible for delivering the on-board software for the next generation of Missile Systems. This is More ❯

World Class Defence Organisation based in Stevenage is currently looking to recruit an Embedded C/C++ Software Engineer subcontractor on an initial 6 month contract. Hourly Rate: £70.00ph (Umbrella). 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 … Months with very likely extension. Contracts are often ongoing and long-term thereafter. IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview Embedded C/C++ Software Engineer Job Description: The company is a world leader in missile and missile systems looking for a highly capable and adaptable Engineers to join the Development Facility in Stevenage … Hertfordshire. You will be responsible for developing the software through the full lifecycle for safety related real-time systems application software for the next generation of Missile Systems. This is a technical hands-on role working the full software lifecycle. Responsibilities: Responsible for delivering the on-board software for the next generation of Missile Systems. This More ❯

Software Engineer (Kotlin/Springboot) | 6 Month Contract (OIR35) | Remote We're looking for a Full Stack Software Engineer to play a key role in developing and evolving a suite of high-performance applications. You'll be working across the entire technology stack, from dynamic, user-friendly web interfaces to robust, scalable backend microservices - helping to … Build and optimise SQL schemas and queries for performance and scalability. Integrate APIs and third-party services into core systems. Collaborate with cross-functional teams to design scalable, maintainable software solutions . Participate in code reviews , contributing to team standards and documentation. Support production deployments, monitoring, and issue resolution. Continuously improve application performance, reliability, and user experience If this More ❯

World Class Defence Organisation based in Bristol is currently looking to recruit 2x Low level Embedded Software Engineer subcontractors on an initial 6 month contract. The role will likely be required to be onsite, but it can be worked on a 4-day week basis. Hourly Rate: £65.00 - £68.00ph (Umbrella). Overtime Rate: Hours worked over the standard … 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 Low level Embedded Software Engineer Job Description: The Real Time Infrastructure and Security Software team is tasked with supplying advanced solutions for our missile sub-systems, often developing state of the … art processing platforms. Interacting with a wider engineering team (including Software, Firmware and Hardware Teams), this role presents the opportunity to develop complex software solutions, as part of a deliverable product, deployed into missile programmes. In a collaborative and close-knit culture, we support each other to search for better. Skillset/experience required: Experience in the development More ❯

World Class Defence Organisation based in Bristol is currently looking to recruit 2x Low level Embedded Software Engineer subcontractors on an initial 6 month contract. The role will likely be required to be onsite, but it can be worked on a 4-day week basis. Hourly Rate: £65.00 - £68.00ph (Umbrella). Overtime Rate: Hours worked over the standard … 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 Low level Embedded Software Engineer Job Description: The Real Time Infrastructure and Security Software team is tasked with supplying advanced solutions for our missile sub-systems, often developing state of the … art processing platforms. Interacting with a wider engineering team (including Software, Firmware and Hardware Teams), this role presents the opportunity to develop complex software solutions, as part of a deliverable product, deployed into missile programmes. In a collaborative and close-knit culture, we support each other to search for better. Skillset/experience required: Experience in the development More ❯

Position: Software Engineer Smallworld (GSW) Location: Fully Remote (UK/Europe) Contract Duration: 12 months (with extension opportunity) Contract Type: (UK- Inside IR35), (Europe -B2B), (Permanent contracts available as well UK/Europe) Start Date: November 1, 2025 (Flexible) Overview/Essential Responsibilities: The Software Engineer Smallworld will be responsible for developing, customizing, and maintaining applications … customer-specific customization and integration, including environments utilizing Citrix . Manage and maintain databases ( SWMFS DBA , VMDS , SQL , Oracle ). Utilize and manage source control systems and follow standard software development processes . Develop and maintain tools and applications using Magik , Java , JSF , and FME . Troubleshoot, debug, and resolve complex system and application issues. Support installation and configuration … of Smallworld suite components and apply operating system patches , fixes , and third-party software (e.g., ONA, Data Center Management). Analyze system performance, identify bottlenecks, and implement effective solutions. Collaborate closely with cross-functional teams to deliver high-quality software solutions. Document configurations, workflows, and system updates for ongoing maintenance and support. Primary Skillset: Smallworld suite (Core SW4 More ❯

World Class Defence Organisation based in Bristol is currently looking to recruit an Embedded C++ Software Engineer subcontractor on an initial 6 month contract. The role can be worked on a 4 day week basis (Monday to Thursday) but due to the nature of the role, the position will need to be based onsite. Hourly Rate: £65.00ph (Umbrella … . 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 Embedded C++ Software Engineer Job Description: Join a growing Software team in Bristol, working as part of a dynamic team to develop and deliver innovative solutions by exploiting a wide … portfolio of software technologies. You will work as part of a small team and be empowered to work individually with little supervision. Responsibilities: To undertake a full range of engineering activities in line with relevant processes, quality and other requirements. In particular the development of software for real-time systems. The role will involve C++ code development and More ❯

Software Engineer - 5-month contract: Manchester/Hybrid Interviewing now for a Software Engineer for a 5-month project (outside IR35.) You will play an integral part of an agile team to enhance, build, and deliver products in a secure, stable, and scalable way. You will have previous experience in Java, Spring Boot, microservices architecture utilising More ❯

MERITUS Talent are working with one of the World's largest aerospace organisations for the recruitment of a Java Software Engineer to join their office in Newcastle on an initial 12 Month contract basis. The role requires someone to either hold or be eligible for Security Clearance, and is paying £55 per hour via Umbrella. Hybrid working is … available, with the candidate expected onsite 3 days a week Overview An excellent opportunity has arisen for a Software Engineer to join a collaborative Agile Scrum team, developing innovative geospatial software using the latest cloud-based technologies . You'll be involved in the full software development lifecycle - from design and development through to testing and … Take part in Agile ceremonies , including sprint planning, daily stand-ups, and retrospectives. Collaborate closely with other developers, testers, and product owners to meet sprint goals and deliver reliable software solutions. Maintain awareness of compliance and security risks, acting with integrity in line with organisational standards. Required Skills & Experience Essential Strong experience with Java development. Proven background in cloud More ❯

World Class Defence Organisation based in Bristol is currently looking to recruit a C/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 … products whilst maintaining our 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 for a Software Engineer who is proactive and takes the initiative. Skillset/experience required: A strong … background in software engineering, its realisation and system wide impact. Experience of working work with Cameo/Rhapsody Collaborative, open approach to development and have the ability to work well in a team and maintain momentum during development. Experience of working across the entire software development process from engaging with requirement authorities to automated target integration and proving More ❯

MERITUS Talent are working with Europe's leading weapons manufacturer for the recruitment of a C# Software Engineer on a 12 month contract (Inside IR35). Candidates need an active SC Clearance, and due to the sensitivity of the work, a valid UK-only passport. C# Software Engineer - 12 Months - INSIDE IR35 - STEVENAGE - UP TO £65ph … 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 based in Bristol 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). Rate: £65.00 per hour Overtime Rate: Hours worked over the standard … dependability. This is a very hands-on role and requires the continued design and development of Command and Control architectures, and the instantiations for future products. Perfect for a Software Engineer who is proactive and takes the initiative. Skillset/experience required: A strong background in software engineering, its realisation and system wide impact. Experience of working … in C++ Collaborative, open approach to development and have the ability to work well in a team and maintain momentum during development. Experience of working across the entire software development process from engaging with requirement authorities to automated target integration and proving, supported with effective documentation Experience of new tools, techniques and approaches that might enable us to evolve More ❯

World Class Defence Organisation based in Bristol 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). Rate: £65.00 per hour Overtime Rate: Hours worked over the standard … dependability. This is a very hands-on role and requires the continued design and development of Command and Control architectures, and the instantiations for future products. Perfect for a Software Engineer who is proactive and takes the initiative. Skillset/experience required: A strong background in software engineering, its realisation and system wide impact. Experience of working … in C++ Collaborative, open approach to development and have the ability to work well in a team and maintain momentum during development. Experience of working across the entire software development process from engaging with requirement authorities to automated target integration and proving, supported with effective documentation Experience of new tools, techniques and approaches that might enable us to evolve More ❯