Contract Spy
  • Join Contract Spy
  • Member Area
  • Blog
  • Member Sign in
  • Sign up
  • Join Contract Spy
  • Member Area
  • Blog

290 software engineer jobs found

Refine Search
Current Search
software engineer
Refine by £ Rate Range
up to £300  (10) £300 - £400  (31) £400 - £500  (31) £500 - £600  (28) £600 - £700  (7)
Refine by Contract Type
Duration not stated  (164) Hourly/Freelance  (65) 6 Months or more  (41) up to 6 Months  (20)
Refine by Country
United Kingdom  (216) Remote  (115) Hybrid  (18)
Refine by State
Remote  (115) Greater London  (79) Hybrid  (18) South Yorkshire  (15) Belfast  (11) West Midlands  (9)
Cambridgeshire  (7) North Yorkshire  (7) Greater Manchester  (6) Hampshire  (5) Edinburgh  (4) Tyne and Wear  (4) Berkshire  (3) Gloucestershire  (3) Nottingham  (3) Aberdeen City  (2) Glasgow City  (2) Surrey  (2) Warwickshire  (2) West Yorkshire  (2)
More
Refine by City
Remote  (115) London  (78) Hybrid  (18) Sheffield  (15) Belfast  (11) Coventry  (9)
Tadcaster  (7) Manchester  (6) Cambridge  (5) Edinburgh  (4) Newcastle upon Tyne  (4) Basingstoke  (3) Bracknell  (3) Nottingham  (3) Aberdeen  (2) Frimley  (2) Glasgow  (2) Gloucester  (2) Huntingdon  (2) Leeds  (2)
More
Contract Spy
Apr 29, 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
Apr 28, 2026
6 Months or more
Senior Software Engineer at Bezos.ai, Remote, 6 Months, £450-£550 per day
£450 - £550 per day
Contract Spy Remote
Senior Software Engineer (Contract) Base salary: £450 - £550 per day Employment type: Freelance/Contract Remote working: Remote (~ monthly office visits) Work from: Europe, United Kingdom Working Timezones: (UTC) London +/- 2 hours Visa sponsorship: Not available   Job Description We are looking for a hands-on Senior Software Engineer to join our engineering team for a high-impact, 6-month project, with good chance of extensions and potential route to permanent if interested. Reporting to the Head of Engineering, you will focus 100% on technical delivery, playing a pivotal role in designing, building, and delivering core components of our platform. This is a fast-moving startup environment where you will write production-grade code and influence technical decisions to solve complex e-commerce logistics challenges.   Our Core Values We believe...
Contract Spy
Apr 27, 2026
up to 6 Months
Senior Software Engineer - Java at Beyond Sports, Basingstoke, 3 Months+, £400-£500 per day (Outside IR35)
£400 - £500 per day
Contract Spy Basingstoke, UK
Senior Software Engineer – Java (Contractor) Outside IR35 Rate: £400 - £500 per day Duration: 3 Months Plus Start Date: ASAP   As a  Senior Software Engineer (Java) – Contractor  at Pulselive, you’ll be focused on delivering robust, high-performance backend services and APIs that power digital experiences for millions of sports fans globally. This role is ideal for an experienced, hands-on engineer with strong Java and Spring expertise who thrives in a collaborative and fast-paced delivery environment. You’ll work closely with cross-functional teams to build, integrate, and optimize systems that handle real-time sports data, video, and live commentary. This position is project- and delivery-focused, with no line management or people-leadership responsibilities required.   Key Responsibilities: Design and develop scalable backend systems using Java and Spring...
Contract Spy
Apr 27, 2026
6 Months or more
Scientific Software Engineer at Met Office, Remote/Exeter, 6 Months, £Contract Rate
Contract Spy Remote (Exeter, UK)
In this role you will provide technical leadership in the re-design, development and translation, maintenance, and support of existing specialised scientific software applications into an updated code base to enable easier scientific changes and maintenance of existing capabilities.   As a Scientific Software Engineer your main responsibilities will be to:   Proficiently provide deep and/or broad scientific and technical insight into the re-coding of legacy scientific software into supportable code. Engage with internal and/or external users alongside the Project and Product roles in the team to understand the requirements for your work and significantly contribute to the development and evaluation of plans to meet these requirements. Apply, promote, and support good Quality Assurance processes, best practice and standards in both your and others' work to ensure agreed standards are maintained and support collaborative team ways of working....
Contract Spy
Apr 27, 2026
6 Months or more
Software Engineer at Office for National Statistics, Remote/Newport, £Contract Rate
Contract Spy Newport PO30, UK
The Office for National Statistics (ONS) is the UK's largest producer of official statistics, covering a range of key economic, social and demographic topics. These include measuring changes in the value of the UK economy, estimating the size, geographic distribution and characteristics of the population, and providing indicators of price inflation, employment, earnings, crime and migration.   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 security clearance.    As a Software Engineer (Java), your main responsibilities will be: Develop and maintain scalable, high-quality applications using Java and Spring Boot Design and build...
Contract Spy
Apr 24, 2026
Duration not stated
Software Engineer (Java, Python, Golang) at Test Yantra, London, £350-£370 per day
£350 - £370 per day
Contract Spy London, UK
We are urgently looking for experienced candidates with strong hands-on Java development skills and design experience. While an architect title is not mandatory, we are particularly interested in profiles of senior developers with solid technical expertise. Required Core Skills: - Java - Python - GoLang -Design, develop, and maintain high-quality Java applications. -Write clean, efficient, and well-documented code. -Perform code reviews and optimize existing codebases. -Ensure application performance and reliability. -Develop and maintain automated tests to ensure code quality. -Work with CI/CD pipelines to streamline the development and deployment process. Job Types: Full-time, Freelance Pay: £350.00-£370.00 per day Schedule: Monday to Friday Experience: Java: 7 years (required) Python: 3 years (required) Go: 2 years (required)
Contract Spy
Apr 23, 2026
Hourly/Freelance
Senior Software Engineer – Full-Stack Infra/3D Algorithms at Oqcam, Remote, £Freelance Rate
Contract Spy Remote
Oqcam is redefining how dental laboratories organize and execute their production. Oqcam delivers best-in-class dental lab software to automate and simplify digital production, while giving dental lab leaders peace-of-mind. We build scalable, modern cloud applications used by customers around the world, making optimal use of both AI and logic. We are looking for a Senior Software Engineer – Full-Stack / Infra / 3D Algorithms to join our engineering team. Traditionally, a lot of manpower and time is used to prepare and organize the digital production in a dental lab (3D Printing, CNC milling, …). The preparation work is technical and patient-specific, yet repetitive in nature, and typically performed by dental technicians that are increasingly hard to recruit. With the dental market requesting shorter delivery terms and ever-increasing flexibility, and government regulations increasing at the same time, dental labs are under stress and hindered in their growth....
Contract Spy
Apr 22, 2026
Duration not stated
Senior Embedded Software Engineer at General Dynamics, Hastings, £Contractor Rate (Outside IR35)
Contract Spy Hastings, UK
Senior Embedded Software Engineer (Contractor) Contract   Employment Type: Contract (Ltd) Company Description General Dynamics Mission Systems engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of more than 13,000 top professionals, we partner with the best in industry to expand the bounds of innovation in the defence and scientific arenas. In the UK, we are leading the way in avionics and communication systems. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. General Dynamics in St Leonards-on-Sea currently provide avionic mission computing systems for a wide range of military fast jets, helicopters, and UAV’s. Recent success has resulted in General Dynamics developing the next generation of Advanced High Performance, Safety Critical...
Contract Spy
Apr 22, 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
Apr 21, 2026
Duration not stated
Software Engineer - Python & Odoo Developer at Crew à la Mode, London Area, £Contract Rate
Contract Spy London Area, United Kingdom
Company Description Established in 2009, Crew à la Mode is an apparel and lifestyle agency, supplying luxury performance clothing and lifestyle solutions for super yachts, private aviation, hotels, villas and private residences globally.     Based in our London Head Office, our project management team manages the sourcing of luxury yacht crew clothing and uniform from key suppliers. Our product line is expanded by our own consciously produced luxury crew clothing range, CALM by CREW, which is designed in-house and distributed from our EU warehouse located in Portugal.   Role Description We are looking for a skilled software engineer to be the in-house support for our core business systems, specialising in Odoo development, ERP customisation and API integration.   This will initially be on a project contract basis and longer term will be an on-going contract which covers debugging technical issues, troubleshooting and...
Contract Spy
Apr 20, 2026
up to 6 Months
Senior Software Engineer - Java at Beyond Sports, Basingstoke, 3 Months+, £400-£500 per day (Outside IR35)
£400 - £500 per day
Contract Spy Basingstoke, UK
Senior Software Engineer – Java (Contractor) Outside IR35 Rate: £400 - £500 per day Duration: 3 Months Plus Start Date: ASAP   As a Senior Software Engineer (Java) – Contractor at Pulselive, you’ll be focused on delivering robust, high-performance backend services and APIs that power digital experiences for millions of sports fans globally. This role is ideal for an experienced, hands-on engineer with strong Java and Spring expertise who thrives in a collaborative and fast-paced delivery environment. You’ll work closely with cross-functional teams to build, integrate, and optimize systems that handle real-time sports data, video, and live commentary. This position is project- and delivery-focused, with no line management or people-leadership responsibilities required.   Key Responsibilities: Design and develop scalable backend systems using Java and Spring Boot...
Contract Spy
Apr 17, 2026
Duration not stated
Software Engineer - Contract at ONMO, London Area, £Contract Rate
Contract Spy London Area, United Kingdom
ABOUT THE COMPANY Onmo believes that everyone has the right to access, understand and manage their money with confidence. Our ambition is to improve lives by providing better clarity, intelligence and technology to empower every individual in making the smartest financial decisions. We may be young but we have an incredible team in place and big ambitions for the years ahead. We design our products to help demystify money matters wherever possible, providing customers with more financial control and flexibility in their lives. This helps them get more from what they have, or with smart decisions, make more of the same. It also means people spend less time with the negative aspects of money and more on the positive - enjoying what the world has to offer. ABOUT THE ROLE Tech Stack Backend : AWS Serverless Service, including Lambda, API Gateway, DynamoDB, S3, SNS, SQS, EventBridge, Kinesis, Node.js, YAML Frontend : React / Next.js, React Native Programming...
Contract Spy
Apr 16, 2026
Duration not stated
Senior Software Engineer at Apex Fintech Solutions, Belfast, £Contractor Rate
Contract Spy Belfast, UK
Contractor, Sr Software Engineer Belfast, United Kingdom, BT1 6FB WHO WE ARE   Apex Fintech Solutions (Apex) powers innovation and the future of digital wealth management by building tech-forward solutions that help simplify, automate, and facilitate access to financial markets for all. Our robust suite of fintech software enables us to support clients such as Stash, Betterment, SoFi, Webull, and eToro, amongst many others; collectively, Apex powers access to the stock market for over 22+ million end customers.      At Apex, we are changing how the securities industry operates by reinventing the status quo, which was manual, slow, and accessible only by the ultra-wealthy. We're digitizing and democratizing systems so that everyone has an opportunity to invest.    When you're at Apex, you drive this change. You're part of a global team with a clear vision: to be the trusted technology that powers the digital economy. Our...
Contract Spy
Apr 16, 2026
Hourly/Freelance
Senior Software Engineer – Full-Stack Infra/3D Algorithms at Oqcam, Remote, £Freelance Rate
Contract Spy Remote
Oqcam is redefining how dental laboratories organize and execute their production. Oqcam delivers best-in-class dental lab software to automate and simplify digital production, while giving dental lab leaders peace-of-mind. We build scalable, modern cloud applications used by customers around the world, making optimal use of both AI and logic. We are looking for a Senior Software Engineer – Full-Stack / Infra / 3D Algorithms to join our engineering team. Traditionally, a lot of manpower and time is used to prepare and organize the digital production in a dental lab (3D Printing, CNC milling, …). The preparation work is technical and patient-specific, yet repetitive in nature, and typically performed by dental technicians that are increasingly hard to recruit. With the dental market requesting shorter delivery terms and ever-increasing flexibility, and government regulations increasing at the same time, dental labs are under stress and hindered in their growth....
Contract Spy
Apr 16, 2026
Hourly/Freelance
Software Engineer Analyst - AI Trainer at DataAnnotation, Remote, £Hourly Rate
Contract Spy Remote
Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient Software Engineer Analyst to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of the art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work...
Contract Spy
Apr 16, 2026
up to 6 Months
Senior Software Engineer at Red Badger, London/Remote, 3 Months+, £Day Rate (Outside IR35)
Contract Spy Hybrid (London, UK)
Joining a new project Ideally have worked on Financial Services Projects before (Payments would be great) Emphasis on Architecture over Development (Must have a solid Development Background) Must be comfortable sitting in client meetings and advising Start date ASAP Duration 3 months (Likely to extend) 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"...
Contract Spy
Apr 15, 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
Apr 13, 2026
up to 6 Months
Senior Software Engineer - Java at Beyond Sports, Basingstoke, 3 Months+, £400-£500 per day (Outside IR35)
£400 - £500 per day
Contract Spy Basingstoke, UK
Senior Software Engineer – Java (Contractor) Outside IR35 Rate: £400 - £500 per day Duration: 3 Months Plus Start Date: ASAP   As a Senior Software Engineer (Java) – Contractor at Pulselive, you’ll be focused on delivering robust, high-performance backend services and APIs that power digital experiences for millions of sports fans globally. This role is ideal for an experienced, hands-on engineer with strong Java and Spring expertise who thrives in a collaborative and fast-paced delivery environment. You’ll work closely with cross-functional teams to build, integrate, and optimize systems that handle real-time sports data, video, and live commentary. This position is project- and delivery-focused, with no line management or people-leadership responsibilities required.   Key Responsibilities: Design and develop scalable backend systems using Java and Spring Boot...
Contract Spy
Apr 10, 2026
Duration not stated
Principal Software Engineer (.NET) at CreateFuture, Edinburgh, £Contract Rate
Contract Spy Edinburgh, UK
Principal Engineer - Contract Edinburgh     Role Overview Principal-level engineer responsible for  accelerating engineering delivery across a complex platform estate Focus on adopting  AI-native engineering practices  to materially improve development velocity Work across a large ecosystem including  Microsoft CRM (SaaS), integration layers, portals, and bespoke middle-tier systems Identify delivery bottlenecks and implement  practical improvements to engineering workflows, tooling, and processes Measure current engineering performance and drive  measurable improvements in product backlog throughput Key Responsibilities Benchmark  current engineering velocity and delivery performance Identify areas of  engineering toil  that slow delivery (e.g. immature DevOps, manual processes, hand-offs) Create and prioritise...
Contract Spy
Apr 09, 2026
Hourly/Freelance
Senior Software Engineer – Full-Stack Infra/3D Algorithms at Oqcam, Remote, £Freelance Rate
Contract Spy Remote
Oqcam is redefining how dental laboratories organize and execute their production. Oqcam delivers best-in-class dental lab software to automate and simplify digital production, while giving dental lab leaders peace-of-mind. We build scalable, modern cloud applications used by customers around the world, making optimal use of both AI and logic. We are looking for a Senior Software Engineer – Full-Stack / Infra / 3D Algorithms to join our engineering team. Traditionally, a lot of manpower and time is used to prepare and organize the digital production in a dental lab (3D Printing, CNC milling, …). The preparation work is technical and patient-specific, yet repetitive in nature, and typically performed by dental technicians that are increasingly hard to recruit. With the dental market requesting shorter delivery terms and ever-increasing flexibility, and government regulations increasing at the same time, dental labs are under stress and hindered in their growth....
  • Contact
  • How it Works
  • Terms & Conditions
  • Help on Search & Alerts
  • Employer
  • Post a Contract Job
  • Employer Sign in
  • Contractor
  • Subscribe
  • Twitter
  • LinkedIn
  • Facebook
© 2008-2026 ContractSpy