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70 software contractor jobs found

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Contract Spy
Apr 09, 2026
Hourly/Freelance
Open Source Engineer at YO IT CONSULTING, Remote, £Hourly Rate
Contract Spy Remote (United Kingdom)
Seeking active open-source contributors with demonstrated experience working on well-known open-source repositories (e.g., significant GitHub contributions). Must-have: Strong ability to author and manage Pull Requests (PRs) , including merging new code into large and complex open-source codebases. Prior experience as a Software Engineer for 3+ years is preferred. Rate: Flexible, starting at $150/hr . Looking for expert-level engineers who can start immediately . We consider all qualified applicants without regard to legally protected characteristics and provide reasonable accommodations upon request. Contract and Payment Terms You will be engaged as an independent contractor. This is a fully remote role that can be completed on your own schedule. Projects can be extended, shortened, or concluded early depending on needs and performance. Your work will not involve...
Contract Spy
Apr 08, 2026
Hourly/Freelance
Online Module Tutor - Computing at Kaplan International, Remote, £Freelance Rate
Contract Spy Remote
Online Module Tutor - Computing   Reference number: JR254561 Location: Remote Contract Type: Freelance Salary: Competitive   We are seeking contractors with Computing expertise and academic experience to deliver online modules. In this freelance module tutor role, you will support the learning of our online students who are studying with the University of Essex Online. Further information on our programmes can be found at https://online.essex.ac.uk/   There may also be opportunities to supervise dissertations and/or develop module content.   We are looking for individuals with experience in any of the following subject areas: Computer Science – some of our modules include: Launch into Computing Secure Software Development in Computer Science Information Retrieval Data Science – some of our modules include: Deciphering Big Data...
Contract Spy
Apr 02, 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 31, 2026
Hourly/Freelance
Open Source Engineer at YO IT CONSULTING, Remote, £Hourly Rate
Contract Spy Remote (United Kingdom)
Seeking active open-source contributors with demonstrated experience working on well-known open-source repositories (e.g., significant GitHub contributions). Must-have: Strong ability to author and manage Pull Requests (PRs) , including merging new code into large and complex open-source codebases. Prior experience as a Software Engineer for 3+ years is preferred. Rate: Flexible, starting at $150/hr . Looking for expert-level engineers who can start immediately . We consider all qualified applicants without regard to legally protected characteristics and provide reasonable accommodations upon request. Contract and Payment Terms You will be engaged as an independent contractor. This is a fully remote role that can be completed on your own schedule. Projects can be extended, shortened, or concluded early depending on needs and performance. Your work will not involve...
Contract Spy
Mar 26, 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 24, 2026
Hourly/Freelance
Open Source Engineer at YO IT CONSULTING, Remote, £Hourly Rate
Contract Spy Remote (United Kingdom)
Seeking active open-source contributors with demonstrated experience working on well-known open-source repositories (e.g., significant GitHub contributions). Must-have: Strong ability to author and manage Pull Requests (PRs) , including merging new code into large and complex open-source codebases. Prior experience as a Software Engineer for 3+ years is preferred. Rate: Flexible, starting at $150/hr . Looking for expert-level engineers who can start immediately . We consider all qualified applicants without regard to legally protected characteristics and provide reasonable accommodations upon request. Contract and Payment Terms You will be engaged as an independent contractor. This is a fully remote role that can be completed on your own schedule. Projects can be extended, shortened, or concluded early depending on needs and performance. Your work will not involve...
Contract Spy
Apr 09, 2026
Hourly/Freelance
AI Evaluation Engineer (Python/Full-Stack) at Mindrift, Remote, £Freelance Rate
Contract Spy Remote (United Kingdom)
Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation isproject-based, not permanent employment. What this opportunity involves You'll create challenging coding test cases that push AI coding systems to their limits: Review and refine realistic coding tasks based on provided production codebases with realistic scope, requirements and information sources Write comprehensive functional tests that validate actual end-to-end behavior and edge-cases, not just superficial checks Craft "fair but hard " challenges where the AI has all the context it needs, but has to work for it (information scattered across files and external sources, complex reasoning required) Analyze AI failures to understand what the model struggles with vs. what it masters Iterate based on feedback...
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....
Contract Spy
Apr 09, 2026
Hourly/Freelance
Systems Architect - 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 Systems Architect 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...
Contract Spy
Apr 09, 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 09, 2026
Hourly/Freelance
Quality Assurance Developer - 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 Quality Assurance 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 team members fit this work...
Contract Spy
Apr 09, 2026
Hourly/Freelance
Programming 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 Programming 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...
Contract Spy
Apr 09, 2026
Hourly/Freelance
UI/UX Developer - 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 UI/UX 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 team members fit this work alongside a...
Contract Spy
Apr 09, 2026
Hourly/Freelance
Web Developer - 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 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 team members fit this work alongside a...
Contract Spy
Apr 08, 2026
Hourly/Freelance
Software/Prompt Engineer (Claude Code SME) at Boldspace, UK, 4 Weeks initial, £Freelance Rate
Contract Spy United Kingdom
Title: Freelance Software / Prompt Engineer (Claude Code Expert) Contract: 4 weeks initially Future: Potential for ongoing freelance or permanent role About BoldStream ™ BoldStream ™ is a multi-LLM SaaS platform for marketing and communications professionals. Role We're seeking a freelance Software / Prompt Engineer with strong Claude Code experience to help test, improve and build high-impact automations across BoldStream ™ during a focused two-week engagement. What you'll do Build agentic workflows using tools like OpenAI Agent Builder, LangGraph/LangChain and automation platforms (n8n, Zapier, Make). Use Claude Code and LLM tooling to develop and test AI workflows. Automate data flows and internal tools using APIs and JavaScript/TypeScript. Create reliable prompts, guardrails and testing approaches. Document workflows for non-technical teams. What we're looking for Strong Claude Code experience. Previous experience...
Contract Spy
Apr 08, 2026
Hourly/Freelance
Front-End Developer - 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 Front-End 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 team members fit this work alongside...
Contract Spy
Apr 08, 2026
Hourly/Freelance
API Developer - 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 API 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 team members fit this work alongside a...
Contract Spy
Apr 08, 2026
Hourly/Freelance
AI/ML Developer - AI Trainer at DataAnnotation, Remote, £Contract 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 AI/ML 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 team members fit this work alongside a...
Contract Spy
Apr 08, 2026
Hourly/Freelance
Animation Website Designer at Becks & Clates Ltd, Remote, £Hourly Rate
Contract Spy Remote
Overview We are seeking a talented and creative Animated Web Designer to join our dynamic team. The ideal candidate will have a strong background in digital design and a passion for creating engaging animated, user-friendly websites. This role involves collaborating with various stakeholders to develop visually appealing and functional web solutions that enhance user experience and drive engagement. SEND URL LINKS TO YOUR BEST 3 WEBSITES ***** MUST BE ABLE TO DESIGN AND DEVELOP ON WORDPRESS - MUST BE CLEAN, MODERN AND ANIMATED DESIGNS Duties Design and develop responsive websites that align with client specifications and branding guidelines. Animated expertise, we like to create visually pleasing heavily animated websites Create wireframes, mockups, and prototypes to effectively communicate design ideas. Ensure website usability, accessibility, and adherence to best practices in SEO and web analytics. Maintain and update existing websites to...
Contract Spy
Apr 07, 2026
Hourly/Freelance
Full Stack Developer - AI Trainer at DataAnnotation, Remote, £Hourly Rate
Contract Spy Remote (United Kingdom)
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 proficient programmers 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...
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