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328 software engineer jobs found

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Contract Spy
Apr 08, 2026
up to 6 Months
Fullstack Software Engineer at Paloma Health, London, 3-5 Months, £Competitive Day Rate
Contract Spy London, UK
Fullstack Software Engineer (Freelance) Time commitment: Freelance project lasting around 3 to 5 months         Location: Hybrid or Remote Reporting to: VP of Technology, Avishai Gurt About Paloma Paloma’s mission is to make children’s autism and ADHD assessments and care available on the NHS within 4 weeks of GP referral. We are making this possible by setting a new standard for high-quality autism and ADHD care, building great software & AI tools, and investing in clinicians' learning & development.   Mark and Darshak founded Paloma due to their frustration that families are waiting 4-10 years for NHS children’s autism and ADHD assessments. This crisis in NHS children’s neurodevelopmental services has been highlighted by the Children’s Commissioner for England here:...
Contract Spy
Apr 08, 2026
up to 6 Months
Fullstack Software Engineer at Paloma Health, Remote, 3-5 Months, £Competitive Day Rate
Contract Spy Remote
Fullstack Software Engineer (Freelance) Time commitment: Freelance project lasting around 3 to 5 months         Location: Hybrid or Remote Reporting to: VP of Technology, Avishai Gurt About Paloma Paloma’s mission is to make children’s autism and ADHD assessments and care available on the NHS within 4 weeks of GP referral. We are making this possible by setting a new standard for high-quality autism and ADHD care, building great software & AI tools, and investing in clinicians' learning & development.   Mark and Darshak founded Paloma due to their frustration that families are waiting 4-10 years for NHS children’s autism and ADHD assessments. This crisis in NHS children’s neurodevelopmental services has been highlighted by the Children’s Commissioner for England here:...
Contract Spy
Apr 08, 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. 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 02, 2026
up to 6 Months
Software Engineer - Java at Pulselive, London Kennington, 3 Months+, £400-£500 per day (Outside IR35)
£400 - £500 per day
Contract Spy Kennington, London, 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 02, 2026
up to 6 Months
Software Engineer - Java at Pulselive, 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 02, 2026
Duration not stated
Senior Software Engineer - SC Cleared at Softwire, London Area, £550 per day (Outside IR35)
£550 per day
Contract Spy London Area, United Kingdom
Senior Software Engineer - Outside IR35 - Contract - Current SC Essential   We're hiring a Senior Software Engineer to join a high-impact government programme of work. This is an outside IR35 contract with a strong potential for extension beyond the initial 6-month term, making it a great opportunity for experienced contractors looking for stability and interesting work.   The project sits within a complex, delivery-focused environment where your engineering decisions will genuinely matter. You'll be working as part of a collaborative team building robust, scalable solutions for a public sector client.   Tech Experience: Java, Spring Boot, Typescript and React.   £550 per day outside IR35   Start date: 28/04/2026 End date: 30/10/2026   About Softwire   Softwire is a leading UK technology and strategy consultancy. From enterprise to government, we help visionary organisations turn...
Contract Spy
Apr 02, 2026
Duration not stated
Senior Java Software Engineer - Investment Banking at Mansion House Reply, Sheffield, £Contract Rate
Contract Spy Sheffield, England, United Kingdom
Company Description Mansion House Reply, a part of the Reply Group, specializes in financial services consulting and leverages Reply’s global expertise in digital services, technology consulting, and systems integration. The company supports banks, insurers, asset managers, and fintechs in navigating complex changes related to strategy, regulation, operations, and digital transformation. With a collaborative approach, Mansion House Reply focuses on improving performance, managing risks, and delivering sustainable outcomes for clients. Its teams combine deep financial services expertise with technology-driven solutions to address challenges in a rapidly evolving financial landscape. Role Description This is a contract role for a Senior Java Software Engineer specializing in Investment Banking. The role is based in London and follows a hybrid work model, with a combination of on-site and remote work. The primary responsibilities include software development, designing and...
Contract Spy
Apr 01, 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 01, 2026
Duration not stated
Software Engineer (JAVA, Pytho, 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
Mar 31, 2026
Duration not stated
Lead Software Engineer (Salesforce/Java) at CreateFuture, Edinburgh/Remote, £Contract Rate
Contract Spy Hybrid (Edinburgh, UK)
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  Lead Software Engineer (Salesforce / Java) – Contract Role Overview Lead engineering work focused on  Salesforce platform refactoring and backend process improvements Improve  integration architecture and system reliability Drive  modern engineering practices , including CI/CD and automated testing Support...
Contract Spy
Mar 31, 2026
Duration not stated
Lead Software Engineer (Salesforce/Java) at CreateFuture, London/Remote, £Contract Rate
Contract Spy Hybrid (London, UK)
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  Lead Software Engineer (Salesforce / Java) – Contract Role Overview Lead engineering work focused on  Salesforce platform refactoring and backend process improvements Improve  integration architecture and system reliability Drive  modern engineering practices , including CI/CD and automated testing Support...
Contract Spy
Mar 31, 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
Mar 31, 2026
Duration not stated
Lead Software Engineer (Salesforce/Java) at CreateFuture, Manchester/Remote, £Contract Rate
Contract Spy Hybrid (Manchester, UK)
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  Lead Software Engineer (Salesforce / Java) – Contract Role Overview Lead engineering work focused on  Salesforce platform refactoring and backend process improvements Improve  integration architecture and system reliability Drive  modern engineering practices , including CI/CD and automated testing Support...
Contract Spy
Mar 31, 2026
Duration not stated
Lead Software Engineer (Salesforce/Java) at CreateFuture, Leeds/Remote, £Contract Rate
Contract Spy Hybrid (Leeds, UK)
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  Lead Software Engineer (Salesforce / Java) – Contract Role Overview Lead engineering work focused on  Salesforce platform refactoring and backend process improvements Improve  integration architecture and system reliability Drive  modern engineering practices , including CI/CD and automated testing Support...
Contract Spy
Mar 31, 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
Mar 30, 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. 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
Mar 27, 2026
Duration not stated
Software Engineer at Saab UK, Sutton Upon Derwent, 6 Months, £Contract Rate
Contract Spy Sutton Upon Derwent, England, United Kingdom
Introduction Make sure to apply quickly in order to maximise your chances of being considered for an interview Read the complete job description below. Saab UK is part of Scandinavia's largest defence company, bringing together the best of Swedish and British innovation. Saab offers world-leading solutions and services in defence, aviation, space, and civil security to keep people and society safe. Our UK presence has been growing at pace, meaning we can offer a wide range of opportunities for personal fulfilment and career growth. We currently employ over 600 people across eight sites in the UK, and our specialisations include software engineering, underwater robotics, radars, AI, and armed forces training. The Role This a 6 Months Contract Role. You'll join Saab UK's Public Safety Solutions business unit where we develop and deploy Command, Control, and Communication (C3) and a team dedicated to developing mission-critical software solutions that help police, fire and...
Contract Spy
Mar 27, 2026
up to 6 Months
Software Engineer (Front-end ) at Amplience, Remote UK, 3 Months, £Contract Rate
Contract Spy Remote
Software Engineer (Front-end ) – 3 month Contract At Amplience, we’re transforming how global brands create, manage and deliver content. We provide a powerful, unified platform spanning Content Management Systems, Data Assest Management and Content Supply Chain solutions so retailers can move faster, smarter and with confidence.    Our vision is simple but bold: a world where content moves at the speed of ideas. We’re growing and doing things differently. That means flexibility in how and where you work, a genuinely collaborative culture, and the chance to learn from smart people solving real-world problems. We believe great work happens when people feel supported, trusted and able to live well outside of work.   Key Responsibilities What you’ll be doing We’re now looking for a Software Engineer (Front-End focus) for 3 months initially. Someone who can step in quickly,...
Contract Spy
Mar 27, 2026
Hourly/Freelance
AI Software Engineer at Bespoke Labs, Remote UK, $50-$110 per hour
Contract Spy Remote
AI Software Engineer  (Freelance | Remote | Global)    Software Engineer  (Freelance | Contract | Remote)  Eligible Locations (Remote) - US,Canada, UK, Europe, LATAM About Bespoke Labs At  Bespoke Labs.AI , we’re building immersive digital worlds where intelligent agents learn, reason, and evolve. We design large-scale AI environments and production-grade systems that directly shape how next-generation models are trained, not tooling around AI, but the systems that power it. Our work has driven foundational datasets like  OpenThoughts  and state-of-the-art models such as  Bespoke-MiniCheck  and  Bespoke-MiniChart . We’re inviting  high-caliber Software Engineers from top-tier institutions with relevant work experience in  Software Development  Domain  to collaborate with us. This is a  fully remote, freelance opportunity  for engineers with 3 –10...
Contract Spy
Mar 27, 2026
Duration not stated
Software Engineer at bp, London Canary Wharf, £Contract Rate
Contract Spy Canary Wharf, London, UK
Job Title: Software Engineer Job Location: Canary Wharf (4 Days in the office/ 1 from home) Contract Length: 12 Months Industry: Oil and Energy, Tech, Trading Working Hours: 8 per day/40 per week Role Overview: This role is required for bp’s Trading unit in UK where the person will be working as part of a large program aiming to deliver advanced Data & AI technology solutions to the front office.   What you will have: STEM Degree Design, build, and operate cloud native software platforms to deploy and scale chatbot solutions, using Python, REST APIs, Docker, and Kubernetes on Azure and/or AWS. Implement production grade engineering practices, including CI/CD pipelines, infrastructure as code, security, authentication, monitoring, and cost efficient operations. Collaborate with data scientists and ML engineers to integrate LLM-backed services into reliable, secure, and maintainable software systems....
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