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185 software engineer jobs found

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Contract Spy
Mar 18, 2026
Duration not stated
Software engineer (JAVA , Python , Golang) at Test Yantra Software Solutions Private Limited, 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 17, 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) 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 Mission Computer Systems to meet...
Contract Spy
Mar 11, 2026
Duration not stated
Software engineer (JAVA , Python , Golang) at Test Yantra Software Solutions Private Limited, 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 11, 2026
Duration not stated
Software Engineer Analyst - AI Trainer at DataAnnotation, Edinburgh, From £30.26 an hour
Contract Spy Edinburgh, UK
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 alongside a full-time role,...
Contract Spy
Mar 10, 2026
Duration not stated
Senior Software Engineer at Red Badger, London, £Day Rate Outside IR35
Contract Spy 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...
Contract Spy
Mar 06, 2026
Duration not stated
Senior Software Engineer at Medtronic, London, 6 Months, £Contract Rate
Contract Spy London, England, United Kingdom
At Medtronic you can begin a life-long career of exploration and innovation, while helping champion healthcare access and equity for all. You’ll lead with purpose, breaking down barriers to innovation in a more connected, compassionate world. A Day in the Life Medtronic Digital Technologies is creating ambitious new products that bring connectivity, real-time guidance, and decision support to the operating room. To support this mission, we are developing compact, high-performance, embedded systems that enable edge computing and connectivity. Working closely with other teams across Medtronic, we are creating a connected ecosystem and leveraging the state of the art in computer vision to provide the most comprehensive view of surgery. If you’re interested in using cutting-edge technology to improve the standard of care in surgery on a global scale, this could be the place for you. As a Senior Software Engineer, you’ll be performing development, primarily in...
Contract Spy
Feb 27, 2026
Duration not stated
Senior Software Engineer at Code Wizards Group, United Kingdom, £Contract Rate
Contract Spy United Kingdom
Code Wizards Group is one of the world's leaders in Game and Esports Tech. We're in a period of growth and looking to bolster our software engineering capabilities. We are on the lookout for additional experienced Unreal Engine Programmers to join our team on a freelance/contract basis. This role is all about multiplayer, networking, and crossplay, the backbone of truly connected games. It offers the chance to make an impact on exciting cross-platform projects. You will need to have extensive experience on AAA Projects in the Online Services space, including a proven background with the likes of: Core Multiplayer & Anti-cheat Host migration Disconnects / Reconnections Public & Private Lobbies Leaderboards & Randking DUTIES AND RESPONSIBILITIES - Build and optimise backend multiplayer systems in Unreal Engine. - Deliver crossplay functionality across multiple platforms. - Work on both client-side and server-side features. - Collaborate...
Contract Spy
Mar 18, 2026
Duration not stated
C++ Software Engineer - Ai Training at YO IT CONSULTING, Remote, £Contract Rate
Contract Spy Remote
Work Mode: Remote Engagement Type: Independent Contractor Schedule: Full-Time or Part-Time Contract Language Requirement: Fluent English Role Overview We partner with leading AI teams to improve the quality, usefulness, and reliability of general-purpose conversational AI systems. This project focuses specifically on evaluating and improving how AI systems reason about code, generate programming solutions, and explain technical concepts across various complexity levels. The role involves rigorous technical evaluation of AI-generated responses in coding and software engineering contexts. What You’ll Do Evaluate LLM-generated responses to coding and software engineering queries for accuracy, reasoning, clarity, and completeness Conduct fact-checking using trusted public sources and authoritative references Conduct accuracy testing by executing code and validating outputs using appropriate tools Annotate model responses by identifying...
Contract Spy
Mar 16, 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
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 of development experience...
Contract Spy
Mar 11, 2026
Duration not stated
C++ Software Engineer - Ai Training at YO IT CONSULTING, Remote, £Contract Rate
Contract Spy Remote
Work Mode: Remote Engagement Type: Independent Contractor Schedule: Full-Time or Part-Time Contract Language Requirement: Fluent English Role Overview We partner with leading AI teams to improve the quality, usefulness, and reliability of general-purpose conversational AI systems. This project focuses specifically on evaluating and improving how AI systems reason about code, generate programming solutions, and explain technical concepts across various complexity levels. The role involves rigorous technical evaluation of AI-generated responses in coding and software engineering contexts. What You’ll Do Evaluate LLM-generated responses to coding and software engineering queries for accuracy, reasoning, clarity, and completeness Conduct fact-checking using trusted public sources and authoritative references Conduct accuracy testing by executing code and validating outputs using appropriate tools Annotate model responses by identifying...
Contract Spy
Mar 06, 2026
Duration not stated
Software Engineer (UK) at Turing, Remote, £Contract Rate
Contract Spy Remote (United Kingdom)
About Us: Based in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems.   Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in software engineering, logical reasoning, STEM, multilinguality, multimodality, and agents; and second, by applying that expertise to help enterprises transform AI from proof of concept into proprietary intelligence with systems that perform reliably, deliver measurable impact, and drive lasting results on the P&L.   Project Overview: As a Software Engineering evaluator, you will create cutting-edge datasets for training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code examples, providing precise...
Contract Spy
Mar 04, 2026
Duration not stated
C++ Software Engineer - Ai Training at YO IT CONSULTING, Remote, £Contract Rate
Contract Spy Remote
Work Mode: Remote Engagement Type: Independent Contractor Schedule: Full-Time or Part-Time Contract Language Requirement: Fluent English Role Overview We partner with leading AI teams to improve the quality, usefulness, and reliability of general-purpose conversational AI systems. This project focuses specifically on evaluating and improving how AI systems reason about code, generate programming solutions, and explain technical concepts across various complexity levels. The role involves rigorous technical evaluation of AI-generated responses in coding and software engineering contexts. What You’ll Do Evaluate LLM-generated responses to coding and software engineering queries for accuracy, reasoning, clarity, and completeness Conduct fact-checking using trusted public sources and authoritative references Conduct accuracy testing by executing code and validating outputs using appropriate tools Annotate model responses by identifying...
Contract Spy
Mar 02, 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
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 of development experience...
Contract Spy
Feb 25, 2026
Duration not stated
C++ Software Engineer - Ai Training at YO IT CONSULTING, Remote, £Contract Rate
Contract Spy Remote
Work Mode: Remote Engagement Type: Independent Contractor Schedule: Full-Time or Part-Time Contract Language Requirement: Fluent English Role Overview We partner with leading AI teams to improve the quality, usefulness, and reliability of general-purpose conversational AI systems. This project focuses specifically on evaluating and improving how AI systems reason about code, generate programming solutions, and explain technical concepts across various complexity levels. The role involves rigorous technical evaluation of AI-generated responses in coding and software engineering contexts. What You’ll Do Evaluate LLM-generated responses to coding and software engineering queries for accuracy, reasoning, clarity, and completeness Conduct fact-checking using trusted public sources and authoritative references Conduct accuracy testing by executing code and validating outputs using appropriate tools Annotate model responses by identifying...
Contract Spy
Mar 16, 2026
Duration not stated
Full Stack Python & React Engineer at Test Yantra Software Solutions, Sheffield, £500 per day
£500 per day
Contract Spy Sheffield, UK
Role Overview We are seeking a skilled Full-Stack Software Engineer with exclusive expertise in React for frontend development and Python for backend development. The role focuses on building scalable, secure, and high performance web applications while working closely with product, design, and platform teams. Key Responsibilities Frontend (React) Design and develop responsive, modular, and accessible user interfaces using React Build reusable React components, shared libraries, and frontend design systems Manage complex client side state and optimize frontend performance Integrate frontend applications with REST APIs Ensure high standards of UX, accessibility, and cross browser compatibility Backend (Python) Design and implement scalable backend services using Python Develop RESTful APIs using Python frameworks such as Django / FastAPI / Flask Handle authentication, authorization, and secure data...
Contract Spy
Mar 09, 2026
Duration not stated
UAV Software Integration Engineer. at Bullshark Aero Ltd., Waterlooville PO8 0BT, £35,000 - £80,000 a year
Contract Spy Waterlooville PO8 0BT, UK
UAV - Software Integration Engineer. Remote (UK Work Eligibility Required) Occasional travel in England for flight tests and hardware integration. Contract: Initially ~12 weeks (extension likely) Rate: £25-£40 per hour, depending on experience. Time: Flexible/part-time OK (deliverables matter more than hours) ✈ What you’ll do. We’re looking for a software engineer to support the development of a large (>25kg) unmanned aircraft. You will mostly be working around ArduPilot and Mission Planner. This is an MVP-style role: build, test, iterate, and keep things moving with minimal meetings. You’ll start with smaller, well-defined tasks while you ramp up, then take on more complex integrations with more independence as you understand the project’s architecture. ✈ Typical tasks. Depending on your strengths, you’ll get to work on some of the following: - Extend Mission Planner - Added functionalities for operator workflows....
Contract Spy
Mar 13, 2026
Duration not stated
Software Deployment Engineer - Contract - Outside IR35 at minderacraft, London, £Competitive Day Rate
Contract Spy London, UK
Mindera are currently looking for a Software Deployment Engineer to deliver, configure, test, and roll out software and device solutions across multiple environments. You'll work closely with software engineers, product teams, and platform specialists to ensure seamless deployments that support millions of customers and thousands of colleagues. This role is perfect for someone who enjoys hands-on deployment, automation, configuration, testing, and troubleshooting across a wide technology landscape. This is a hybrid position where you will be expected to be onsite in Bracknell 3 days per week. Requirements Deployment & Configuration (Primary Focus) • Deploy application releases across Dev, Test, UAT, Pre-Prod, and Production environments. • Configure applications, services, and devices according to environment needs. • Automate deployment activities through CI/CD pipelines and scripting. • Manage deployment schedules, releases, and...
Contract Spy
Mar 05, 2026
Duration not stated
Software Deployment Engineer at Mindera, Bracknell/Remote, £Contract Rate (Outside IR35)
Contract Spy Hybrid (Bracknell, UK)
Mindera are currently looking for a Software Deployment Engineer to deliver, configure, test, and roll out software and device solutions across multiple environments. You'll work closely with software engineers, product teams, and platform specialists to ensure seamless deployments that support millions of customers and thousands of colleagues. This role is perfect for someone who enjoys hands-on deployment, automation, configuration, testing, and troubleshooting across a wide technology landscape. This is a hybrid position where you will be expected to be onsite in Bracknell 3 days per week. Requirements Deployment & Configuration (Primary Focus) Deploy application releases across Dev, Test, UAT, Pre-Prod, and Production environments Configure applications, services, and devices according to environment needs Automate deployment activities through CI/CD pipelines and scripting Manage deployment schedules, releases, and environment readiness Validate...
Contract Spy
Mar 18, 2026
Duration not stated
QA Software Engineer - Code Review Expert at YO IT CONSULTING, Remote, £Contract Rate
Contract Spy Remote
Partnering with a top AI research organization to evaluate and improve how coding assistants reason, act, and communicate during development workflows. We’re seeking technically sharp experts (especially those with experience in code review, testing, or documentation) to assess full transcripts of user–AI coding conversations. This short-term engagement helps shape the future of developer-assisting AI systems. Key Responsibilities Review long-form transcripts between users and AI coding assistants Analyze the AI’s logic, execution, and stated actions in detail Score each transcript using a 10-point rubric across multiple criteria Optionally write brief justifications citing examples from the dialogue Detect mismatches between claims and actions (e.g., saying “I’ll run tests” but not doing so) Ideal Qualifications Top choices: Senior or Staff Engineers with deep code review experience and execution insight QA Engineers...
Contract Spy
Mar 11, 2026
Duration not stated
QA Software Engineer - Code Review Expert at YO IT CONSULTING, Remote, £Contract Rate
Contract Spy Remote
Partnering with a top AI research organization to evaluate and improve how coding assistants reason, act, and communicate during development workflows. We’re seeking technically sharp experts (especially those with experience in code review, testing, or documentation) to assess full transcripts of user–AI coding conversations. This short-term engagement helps shape the future of developer-assisting AI systems. Key Responsibilities Review long-form transcripts between users and AI coding assistants Analyze the AI’s logic, execution, and stated actions in detail Score each transcript using a 10-point rubric across multiple criteria Optionally write brief justifications citing examples from the dialogue Detect mismatches between claims and actions (e.g., saying “I’ll run tests” but not doing so) Ideal Qualifications Top choices: Senior or Staff Engineers with deep code review experience and execution insight QA Engineers...
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