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158 software engineer jobs found

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Contract Spy
Aug 28, 2026
Duration not stated
Embedded Software Engineer at Pragmatic Design Solutions, Coventry, £Day Rate Option (Outside IR35)
Contract Spy Coventry, UK
Embedded Software Engineer Education : Bachelor’s/Master’s in Electronics & Communication Engineering. Experience: 0 to 3 Yrs Preferred Location : Resident engineer tobe located in PDSL Knowledge Centre, Warwick Science Park, Coventry, UK Core Skills Good proficiency in Embedded C and C++ . Hands-on experience with at least one of the Micro-Controllers such as STM32, NXP, MicroChip, AVR, or ESP32. Understanding of Real-Time Operating Systems and development on bare metal. Ability to implement and debug communication protocols like I2C, SPI, UART, and CAN. Could understand and read Schematics and datasheets. Experience using GDB/JTAG/SWD debuggers, and Logic Analyzers/Oscilloscopes. Note : Position offers a competitive salary or day rate, available as permanent or contract roles (outside IR35).
Contract Spy
Aug 27, 2026
up to 6 Months
Software Engineer (React/TypeScript/Express) - French Speaking at Hedgehog Lab, Remote, 4 Months, £Contract Rate (Outside IR35)
Contract Spy Remote (UK)
Software Engineer (React / TypeScript / Express) | Contract (UK) Contract, outside IR35. Mid-September to mid-January. While there's no set number of days you're required on site, there will be times when the client needs the team together in person for important meetings, workshops and key moments. When that's the case, we'd expect you to attend. To make that work, you'll need to be based within 50 miles of one of our offices in Edinburgh, Newcastle, Leeds, Manchester or London. Who are we hedgehog lab is a global tech consultancy with two decades of experience and offices in Edinburgh, Newcastle, Leeds, Manchester and London. We build digital products that turn strategic ambition into things that actually ship. We're a certified B Corp with a Flexa-certified culture. The role You'll be working with a healthcare software company that builds a practice management and electronic health record platform used by clinicians across a wide range of...
Contract Spy
Aug 26, 2026
6 Months or more
Data Software Engineer at Department for Work & Pensions, UK Offices, 12 Months, £Contract Rate
Contract Spy UK
The Department for Work and Pensions (DWP) is responsible for welfare, pensions, and child maintenance policy. As the UK's biggest public service department, it administers the State Pension and a range of working age, disability and ill health benefits to around 20 million claimants and customers. As such, we operate on a scale that is almost unmatched anywhere in Europe and most people in Britain come into contact with us at some point in their lives.   Working with DWP, you will be helping us to drive our priorities to:   Help people to move into work and support those already in work to progress, with the aim of increasing overall workforce participation Help people to plan and save for later life, while providing a safety net for those who need it now Provide effective, efficient, and innovative services to the millions of claimants who rely on us every day, including the most vulnerable in society Improve experience of our services while...
Contract Spy
Aug 25, 2026
6 Months or more
Senior Software Engineer at BAE Systems, London New Malden, 12 Months, £67.70 per hour
Contract Spy New Malden, UK
Senior Software Engineer 12 months £67.70 per hour (Inside IR35) Onsite - New Malden (KT3) - SW London Defence   They will lead activities to develop and commission software engineering work products and supporting artefacts, contributing to several activities throughout the software engineering life cycle. They will take responsibility for activities to design, code, analyse and verify Software components of the product and ensure the appropriate documents are recorded The role holder will provide technical direction, coach and develop engineers, and ensure high quality software delivery across multiple workstreams. Working closely with the Team Leads, the role holder will shape priorities, drive engineering excellence and ensure the team delivers secure, reliable and mission critical capability to the fleet.   Typical duties include (but are not limited to):   Provide technical leadership to team members, providing...
Contract Spy
Aug 25, 2026
6 Months or more
Lakeformation Java Python Software Engineer - SC Cleared at Department for Work & Pensions, UK Wide, 12 Months, £Contract Rate
Contract Spy United Kingdom
SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks. Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active SC clearance.    DWP is seeking a Senior Software Engineer to support the ongoing development and enhancement of a large scale AWS hosted data platform. Working within a highly secure environment, you will contribute to both live services and future platform developments, helping ensure the secure management and processing of critical production data.   As a Senior Software Engineer , your main responsibilities will be to: Develop and enhance software solutions supporting a large scale AWS hosted data platform. Work with production data, ensuring security, resilience and operational...
Contract Spy
Aug 25, 2026
6 Months or more
Senior Software Engineer at Red Badger, London, 6 Months, £Contract Rate (Outside IR35)
Contract Spy London, UK
Joining a new project Ideally have worked on Financial Services Projects before (Payments would be great) Fullstack Experience Tech Stack - Kotlin Backend, JS/TS React Frontend Start date ASAP Duration 6 months (Likely to extend) 2/3 days / week in person working (London) Immediate Interviews   The best bit about Red Badger is, of course, the team. We are really proud of our people; we support and learn a lot from each other; we work really hard but have fun doing it. We are a diverse group made up of 22 different nationalities, speaking 17 different languages.   Our 3 founders, Dave, Cain and Stu, who have considerable tech and consultancy experience and still own 100% of the company. We've been consistently profitable and have grown responsibly from the beginning.   We are based at Old Street in the heart of "tech city" and get thoroughly stuck in with the brilliant community around us. We run...
Contract Spy
Aug 25, 2026
6 Months or more
Software Engineer (Golang) at YLD, London/Remote, 6 Months, £Contract Rate
Contract Spy Hybrid (London, UK)
Location: London 1-2 days a week. Department: Engineering Employment Type: Contract Contract Length: 6 months (with potential for extension) About YLD: Our goal is to help our clients keep moving forward. We work with them to build the skills and capabilities they need to stay ahead of the competition, and we know our success only happens when they succeed. We’re a team of curious, talented people, and we’re committed to making YLD a place where great people want to work, grow, and stay. We’re a remote-first consultancy specialising in software engineering, product design, and data. Our teams are based across London, Lisbon, and Porto, and we create digital solutions that continue to deliver value long after our work is done. About the role: As a Senior Software Engineer at YLD, you’ll be part of a client team building innovative products. We’re looking for someone curious, passionate, driven, and...
Contract Spy
Aug 24, 2026
Duration not stated
Senior Software Engineer at Softwire, London Area, £500-£600 per day (Outside IR35)
£500 - £600 per day
Contract Spy London Area, United Kingdom
Senior Software Engineer - Outside IR35 - Contract (Energy)   About the role   We are looking for a Senior Software Engineer (ideally with some Data Engineering experience) to join our client team in the energy trading sector.   End date is not certain, but likely to be December 2026 or early Q1 2027.   We are looking for experience in the following technologies:   Microsoft Azure ecosystem Understanding of networking & security options in Microsoft Azure Infrastructure-as-code (preferably Bicep) Python   Experience in the below would also be beneficial:   Azure DevOps (pipelines) SQL   We generally spend 2 days per week on-site with the client in central London (Monday & Thursday).   £500-600 per day outside IR35   Start date: 10/08/2026 End date: December 2026 or early Q1 2027   About Softwire  ...
Contract Spy
Aug 21, 2026
Duration not stated
Senior Software Engineer - Release & Triage at Sky, London, £Contract Rate
Contract Spy London, Middlesex, UK
We don't just believe in better. We make it happen. ? Better content. Better products. And better careers.? Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, Sky Stream to Sky Glass, we never stand still. We optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky.? Sky is looking for a talented and dedicated Senior Software Engineer in RDK Triage Engineering team to support the release cycles associated with deployed software on CPE devices. These devices use Reference Design Kit (RDK), which is deployed on over 100+ million devices spanning video, broadband and home security. The Release Triage Software Engineer function is critical to the successful development and deployment of new features and fixes as the function ensures that these changes get deployed to the field. Sky's development environment is...
Contract Spy
Aug 21, 2026
Duration not stated
Embedded Software Engineer at Pragmatic Design Solutions, Coventry, £Day Rate Option (Outside IR35)
Contract Spy Coventry, UK
Embedded Software Engineer Education : Bachelor’s/Master’s in Electronics & Communication Engineering. Experience: 0 to 3 Yrs Preferred Location : Resident engineer tobe located in PDSL Knowledge Centre, Warwick Science Park, Coventry, UK Core Skills Good proficiency in Embedded C and C++ . Hands-on experience with at least one of the Micro-Controllers such as STM32, NXP, MicroChip, AVR, or ESP32. Understanding of Real-Time Operating Systems and development on bare metal. Ability to implement and debug communication protocols like I2C, SPI, UART, and CAN. Could understand and read Schematics and datasheets. Experience using GDB/JTAG/SWD debuggers, and Logic Analyzers/Oscilloscopes. Note : Position offers a competitive salary or day rate, available as permanent or contract roles (outside IR35).
Contract Spy
Aug 19, 2026
6 Months or more
Senior Software Engineer (Java) at Expenti, Remote, 12 Months, £Ltd Co Contract Rate
Contract Spy Remote
We are seeking a Backend Java Software Engineer to join our team on a contractual basis. This role heavily focuses on Java, Backend, iGaming Operator Integrations.   This is 1 year extendable contract and applicants must operate through a fully registered limited company to be considered for this role. The role is fully remote, with occasional travel required to our headquarters in Málaga, Spain   What You’ll Do Design, develop and maintain scalable, resilient backend services using Java (17+) and Spring Boot, with a strong focus on quality and a zero-defect mindset. Build and evolve integrations between our iGaming platform and operators, aggregators and other external partners. Design and implement robust REST APIs, asynchronous integrations and event-driven services supporting high-volume, real-time gaming transactions. Develop and maintain common platform capabilities supporting operator integration,...
Contract Spy
Aug 18, 2026
Duration not stated
Software Engineer at Finnian Advisory, United Kingdom, £Contract Rate
Contract Spy United Kingdom
Company Description Finnian Advisory is an AI agency that builds and runs specialised AI agents to reduce administrative workloads in field operations.   The business is a start up environment, moving at a fast pace. You will work directly with the founder, Kieran and have the opportunity to manage a number of specialised sub-contractors.   The company works exclusively with leading Compliance, Testing, and Engineering businesses across the United Kingdom, helping them scale without increasing headcount. Its solutions are custom-built and trained for engineering firms, addressing complex back-office processes alongside high job volume and technical front-end work.   Role Description This contract Software Engineer role is a hybrid position based in the United Kingdom, combining on-site collaboration with some work-from-home flexibility.   Day-to-day responsibilities include designing, developing, and maintaining back-end services...
Contract Spy
Aug 18, 2026
6 Months or more
Software Engineer (Golang) at YLD, London/Remote, 6 Months, £Contract Rate
Contract Spy Hybrid (London, UK)
Location: London 1-2 days a week. Department: Engineering Employment Type: Contract Contract Length: 6 months (with potential for extension) About YLD: Our goal is to help our clients keep moving forward. We work with them to build the skills and capabilities they need to stay ahead of the competition, and we know our success only happens when they succeed. We’re a team of curious, talented people, and we’re committed to making YLD a place where great people want to work, grow, and stay. We’re a remote-first consultancy specialising in software engineering, product design, and data. Our teams are based across London, Lisbon, and Porto, and we create digital solutions that continue to deliver value long after our work is done. About the role: As a Senior Software Engineer at YLD, you’ll be part of a client team building innovative products. We’re looking for someone curious, passionate, driven, and...
Contract Spy
Aug 18, 2026
6 Months or more
Senior Software Engineer at Red Badger, London, 6 Months, £Contract Rate (Outside IR35)
Contract Spy London, UK
Joining a new project Ideally have worked on Financial Services Projects before (Payments would be great) Fullstack Experience Tech Stack - Kotlin Backend, JS/TS React Frontend Start date ASAP Duration 6 months (Likely to extend) 2/3 days / week in person working (London) Immediate Interviews   The best bit about Red Badger is, of course, the team. We are really proud of our people; we support and learn a lot from each other; we work really hard but have fun doing it. We are a diverse group made up of 22 different nationalities, speaking 17 different languages.   Our 3 founders, Dave, Cain and Stu, who have considerable tech and consultancy experience and still own 100% of the company. We've been consistently profitable and have grown responsibly from the beginning.   We are based at Old Street in the heart of "tech city" and get thoroughly stuck in with the brilliant community around...
Contract Spy
Aug 17, 2026
Duration not stated
Senior Software Engineer at Softwire, London Area, £500-£600 per day (Outside IR35)
£500 - £600 per day
Contract Spy London Area, United Kingdom
Senior Software Engineer - Outside IR35 - Contract (Energy)   About the role   We are looking for a Senior Software Engineer (ideally with some Data Engineering experience) to join our client team in the energy trading sector.   End date is not certain, but likely to be December 2026 or early Q1 2027.   We are looking for experience in the following technologies:   Microsoft Azure ecosystem Understanding of networking & security options in Microsoft Azure Infrastructure-as-code (preferably Bicep) Python   Experience in the below would also be beneficial:   Azure DevOps (pipelines) SQL   We generally spend 2 days per week on-site with the client in central London (Monday & Thursday).   £500-600 per day outside IR35   Start date: 10/08/2026 End date: December 2026 or early Q1 2027   About Softwire  ...
Contract Spy
Aug 14, 2026
Duration not stated
Embedded Software Engineer at Pragmatic Design Solutions, Coventry, £Day Rate Option (Outside IR35)
Contract Spy Coventry, UK
Embedded Software Engineer Education : Bachelor’s/Master’s in Electronics & Communication Engineering. Experience: 0 to 3 Yrs Preferred Location : Resident engineer tobe located in PDSL Knowledge Centre, Warwick Science Park, Coventry, UK Core Skills Good proficiency in Embedded C and C++ . Hands-on experience with at least one of the Micro-Controllers such as STM32, NXP, MicroChip, AVR, or ESP32. Understanding of Real-Time Operating Systems and development on bare metal. Ability to implement and debug communication protocols like I2C, SPI, UART, and CAN. Could understand and read Schematics and datasheets. Experience using GDB/JTAG/SWD debuggers, and Logic Analyzers/Oscilloscopes. Note : Position offers a competitive salary or day rate, available as permanent or contract roles (outside IR35).
Contract Spy
Aug 13, 2026
Duration not stated
Lead Software Engineer (iOS) at CreateFuture, UK Offices, £Contractor Rate
Contract Spy UK
Lead Software Engineer (iOS) (contractor) London, Manchester, Edinburgh, Leeds Working at CreateFuture CreateFuture  is an  AI-native consulting partner  where people do work that matters and are supported to do it well. We work alongside organisations such as PayPal, adidas, NatWest, FanDuel and Money Saving Expert, building digital products and services that make a difference while always putting people first. We’re a team of creators. We write code, shape delivery, build go-to-market strategies, develop AI solutions and create the practices that support our people. We work side by side with our clients, challenging what’s not working and helping them to build the future. Our commitment to craft, quality, and culture has helped us scale to over 600 people in just a few years. CreateFuture is a  Great Place to Work-Certified™ company  and has won Best Workplaces UK multiple years in a row....
Contract Spy
Aug 13, 2026
6 Months or more
Senior Software Engineer at Department for Work & Pensions, UK Office/Remote, 12 Months, £Contract Rate
Contract Spy Hybrid (United Kingdom)
DWP is seeking a Senior Software Engineer to support the ongoing development and enhancement of a large scale AWS hosted data platform. Working within a highly secure environment, you will contribute to both live services and future platform developments, helping ensure the secure management and processing of critical production data.   As a Senior Software Engineer , your main responsibilities will be to: Develop and enhance software solutions supporting a large scale AWS hosted data platform. Work with production data, ensuring security, resilience and operational stability. Support ongoing platform development and contribute to future product enhancements. Collaborate with engineering teams to deliver high quality, scalable solutions. Investigate and resolve complex technical issues across applications and cloud infrastructure. Contribute to engineering best practices, code quality and continuous improvement initiatives. Support the design and...
Contract Spy
Aug 25, 2026
Duration not stated
GPU Software Engineer at Huawei, Cambridge, £Contractor Rate
Contract Spy Cambridge, UK
GPU SW Engineer (Contractor) About Huawei Research and Development UK Limited Founded in 1987, Huawei is a leading global provider of information and communications technology (ICT) infrastructure and smart devices. We have 207,000 employees and operate in over 170 countries and regions, serving more than three billion people around the world. Our vision and mission is to bring digital to every person, home and organization for a fully connected, intelligent world. To this end, we will drive ubiquitous connectivity and promote equal access to networks; bring cloud and artificial intelligence to all four corners of the earth to provide superior computing power where you need it, when you need it; build digital platforms to help all industries and organizations become more agile, efficient, and dynamic; redefine user experience with AI, making it more personalized for people in all aspects of their life, whether they’re at home, in the office, or on the go....
Contract Spy
Aug 27, 2026
Duration not stated
Golang - Software Engineer at Test Yantra Software Solutions Private Limited, Sheffield, £400-£500 per day
£400 - £500 per day
Contract Spy Sheffield, UK
Full job description Key Accountabilities Responsibilities will include: · Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client using Python , Golang, Docker and Cloud-Native services . · Implement and manage database schema changes using Liquibase , ensuring alignment with compliance and audit standards. · Collaborate closely with Architecture and DevOps teams to enhance, maintain and mature Product capabilities/features. · Perform root cause analysis and implement solutions for incidents and performance bottlenecks. Qualifications and experience The ideal candidate for this role will have the below experience and qualifications: · Bachelor’s or Master’s degree in Computer Science or equivalent industry experience. · Comes from Software Engineering background with infrastructure experience. · 5+ years...
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