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6 freelance software developer jobs found

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Contract Spy
Mar 19, 2026
Hourly/Freelance
AI-Enabled Fullstack Developer at Future Works, Remote, £Freelance Rate
Contract Spy Remote (London, UK)
Description Future Works is searching for a results-driven, AI-Enabled Fullstack Engineer with strong end-to-end experience building custom software solutions. In this role, you will own the development and delivery of scalable, production-grade applications, from architecture through deployment, ensuring solutions are aligned with client requirements and business objectives.   Working within an agentic engineering environment, you will collaborate closely with product managers, designers, and stakeholders to translate business goals into robust technical implementations. By leveraging modern AI-assisted development tools, you will increase the speed and quality of delivery while maintaining strong engineering standards and architectural discipline.   What You’ll Do Design and build production-grade applications with React and Next.js Translate product and client requirements into structured implementation plans...
Contract Spy
Mar 10, 2026
Hourly/Freelance
Web Developer- AI Trainer at DataAnnotation, Remote, From £29.61 an hour
£200 - £240 per day
Contract Spy Remote (London, UK)
Full job description 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  Web Developer  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...
Contract Spy
Mar 23, 2026
Hourly/Freelance
UAV Software Integration Engineer. at Bullshark Aero Ltd., Remote, 12 Weeks initial, to £40 per hour
Contract Spy Remote (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...
Contract Spy
Mar 19, 2026
Hourly/Freelance
CompTIA Tutor at LONDON VESTA COLLEGE, London, £20-£25 per hour
Contract Spy London, UK
Freelance / Hybrid / Flexible We are seeking an experienced and knowledgeable Freelance CompTIA Tutor to deliver high-quality, engaging training for CompTIA qualifications. Join our forward-thinking training organisation and support learners in developing the technical knowledge and professional skills required for entry-level and intermediate IT support and infrastructure roles. Role Overview You will deliver a blend of practical and theoretical training aligned to CompTIA certifications (such as ITF+, A+, Network+, Security+, or equivalent, depending on programme requirements). Teaching areas will include IT hardware and software fundamentals, operating systems (Windows/Linux), networking concepts, cybersecurity principles, troubleshooting methodologies, incident and problem management, customer support, and professional behaviours. You will work with small learner cohorts (up to 10 learners), supporting learners to build job-ready technical skills, industry-recognised...
Contract Spy
Mar 19, 2026
Hourly/Freelance
Python Developer at YO IT CONSULTING, Remote, £Hourly Rate
Contract Spy Remote (United Kingdom)
hiring experienced Python Engineers to support a variety of high-impact research collaborations with leading AI labs. Freelancers will help improve AI systems through work extending coding benchmarks that reflect real-world development across diverse languages and domains. This is a unique opportunity to apply your engineering expertise toward shaping the next generation of intelligent systems. Key Responsibilities Develop and validate coding benchmarks in Python by curating issues, solutions, and test suites from real-world repositories Ensure benchmark tasks include comprehensive unit and integration tests for solution verification Maintain consistency and scalability of benchmark task distribution Provide structured feedback on solution quality and clarity Debug, optimize, and document benchmark code for reliability and reproducibility Ideal Qualifications 3–10 years of experience as a backend software engineer, ML engineer,...
Contract Spy
Mar 16, 2026
Hourly/Freelance
UAV Software Integration Engineer at Bullshark Aero Ltd., Remote, 12 Weeks initial, to £40 per hour
Contract Spy Remote (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...
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