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24 python developer jobs found

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United Kingdom python developer Remote
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Contract Spy
Apr 13, 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
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 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
Apr 20, 2026
Hourly/Freelance
Enterprise Software Developer - AI Trainer at DataAnnotation, Remote, £Hourly Rate
Contract Spy Remote
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 Enterprise Software 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...
Contract Spy
Apr 20, 2026
Hourly/Freelance
Back 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 Back 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...
Contract Spy
Apr 20, 2026
Hourly/Freelance
Data Engineer - AI Trainer at DataAnnotation, Remote, £Hourly Rate
Contract Spy Remote
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 Data Engineer 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...
Contract Spy
Apr 17, 2026
Hourly/Freelance
Machine Learning Developer 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 is project-based, not permanent employment. What this opportunity involves While each project involves unique tasks, contributors may: Design original computational STEM problems that simulate real scientific workflows Create problems that require Python programming to solve Ensure problems are computationally intensive and cannot be solved manually within reasonable timeframes (days/weeks) Develop problems requiring non-trivial reasoning chains and creative problem-solving approaches Verify solutions using Python with standard libraries (Numpy, Pandas, Scipy, scikit-learn) Document problem statements clearly and provide verified correct answers What we look for This opportunity is a good fit for ML...
Contract Spy
Apr 17, 2026
Hourly/Freelance
Application Engineer - 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 Application Engineer - AI Trainer 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...
Contract Spy
Apr 15, 2026
Duration not stated
QA Software Test Engineer Code Review at YO IT CONSULTING, Remote, £Contract Rate
Contract Spy Remote (United Kingdom)
hiring experienced Software Engineers to support high-impact research collaborations with leading AI labs. Freelancers will contribute to building evaluation datasets that assess AI reasoning, explanation quality, and technical judgment in coding-related interactions. This is a unique opportunity to apply your engineering expertise toward shaping the next generation of intelligent systems. About the Project This evaluation dataset is code question and answer data. This data is designed to assess natural-language reasoning, explanation quality, and technical judgment in coding-related interactions, rather than executable correctness. Tasks are structured as chat-pasteable prompts that reflect realistic developer questions and include all necessary context inline (e.g., code snippets, error messages, logs, or requirements) Key Responsibilities Craft realistic developer prompts across multiple categories (code review, debugging, error diagnosis,...
Contract Spy
Apr 08, 2026
Duration not stated
QA Software Test Engineer Code Review at YO IT CONSULTING, Remote, £Contract Rate
Contract Spy Remote (United Kingdom)
hiring experienced Software Engineers to support high-impact research collaborations with leading AI labs. Freelancers will contribute to building evaluation datasets that assess AI reasoning, explanation quality, and technical judgment in coding-related interactions. This is a unique opportunity to apply your engineering expertise toward shaping the next generation of intelligent systems. About the Project This evaluation dataset is code question and answer data. This data is designed to assess natural-language reasoning, explanation quality, and technical judgment in coding-related interactions, rather than executable correctness. Tasks are structured as chat-pasteable prompts that reflect realistic developer questions and include all necessary context inline (e.g., code snippets, error messages, logs, or requirements) Key Responsibilities Craft realistic developer prompts across multiple categories (code review, debugging, error diagnosis,...
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...
Contract Spy
Mar 31, 2026
Hourly/Freelance
Machine Learning Developer 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 is project-based, not permanent employment. What this opportunity involves While each project involves unique tasks, contributors may: Design original computational STEM problems that simulate real scientific workflows Create problems that require Python programming to solve Ensure problems are computationally intensive and cannot be solved manually within reasonable timeframes (days/weeks) Develop problems requiring non-trivial reasoning chains and creative problem-solving approaches Verify solutions using Python with standard libraries (Numpy, Pandas, Scipy, scikit-learn) Document problem statements clearly and provide verified correct answers What we look for This opportunity is a good fit for ML...
Contract Spy
Mar 31, 2026
Duration not stated
Senior Software/Data Engineer at Softwire, Remote/London, £500-£585 per day (Outside IR35)
£500 - £585 per day
Contract Spy Remote (London, UK)
Senior Software Developer / Data Engineer - (Contract Outside IR35)   In brief   We’re looking for well-rounded software developers with experience in data engineering, with a proven ability to tackle complex data challenges, make an excellent impression on clients, and have a high impact on the output of your entire team. We provide a supportive environment with a strong focus on individual career progression, where you will have both the mentorship and project opportunities you need to develop your technical skills. You’ll work in a team alongside other talented developers and data engineers, supported by a Technical Lead. Projects span a range of sizes and multiple sectors and technologies.   The role   Experience and qualifications   You have 4+ years’ experience and a breadth & depth of technical knowledge & expertise, particularly in data engineering, and can solve technical...
Contract Spy
Mar 25, 2026
Hourly/Freelance
Game Engine Developer - AI Trainer at DataAnnotation, Remote, £Hourly Rate
Contract Spy Remote (Cambridge, 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 Game Engine 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
Mar 24, 2026
Hourly/Freelance
Machine Learning Developer at Mindrift, Remote, £Freelance Rate
Contract Spy Remote (United Kingdom)
This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your level of English proficiency. At Mindrift, innovation meets opportunity. We believe in using the power of collective intelligence to ethically shape the future of AI. What we do The Mindrift platform connects specialists with AI projects from major tech innovators. Our mission is to unlock the potential of Generative AI by tapping into real-world expertise from across the globe. About the Role GenAI models are improving very quickly, and one of our goals is to make them capable of addressing specialized questions and achieving complex reasoning skills. If you join the platform as a Machine Learning expert, you'll have the opportunity to collaborate on these projects. Although every project is unique, you might typically: Design original computational STEM problems that...
Contract Spy
Apr 17, 2026
Hourly/Freelance
Data Scientist (Python & SQL) - Freelance AI Trainer 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 is project-based, not permanent employment. What this opportunity involves While each project involves unique tasks, contributors may: Design original computational data science problems that simulate real-world analytical workflows across industries (telecom, finance, government, e-commerce, healthcare) Create problems requiring Python programming to solve (using Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, Seaborn) Ensure problems are computationally intensive and cannot be solved manually within reasonable timeframes (days/weeks) Develop problems requiring non-trivial reasoning chains in data processing, statistical analysis, feature engineering, predictive modeling, and insight extraction Create...
Contract Spy
Apr 15, 2026
6 Months or more
Senior Data Scientist at YLD, Remote, 6 Months, £B2B Contract Rate
Contract Spy Remote (London, UK)
Location: London/Hybrid (Strong preference for 1 day a week in the office) Department : Engineering/Data Employment Type: Contract (B2B) Contract Length: 6 months (with potential for extension) About YLD: Everything we do is to empower our clients to move forward. Our purpose is to help our clients develop the capabilities they need to outperform their competitors. Our success is a consequence of ensuring our clients are successful. Our company is built on extraordinary people; we aim to attract, inspire, develop and retain them. YLD is a software engineering and design consultancy; we create digital capabilities for our clients that last beyond our engagement. We have offices in London, Lisbon, Porto. About the role: As a Data Scientist, you will take responsibility for data, insights, and models that help our clients grow quickly. You'll have Machine Learning Engineering experience and use this to build data capabilities that...
Contract Spy
Apr 13, 2026
6 Months or more
Data Scientist at UK Research & Innovation, Remote/Swindon, 6 Months, £Contract Rate
Contract Spy Remote (Swindon, UK)
We are seeking a Data Scientist to join an established team delivering Artificial Intelligence solutions built on UKRI's data landscape. This is a hands on, delivery focused role, where you will work across the full machine learning lifecycle, taking models from initial prototype through to production and ongoing optimisation. The role contributes to the discovery, planning and implementation of AI initiatives driven by the Data Delivery Group, with a strong focus on practical, scalable outcomes.   As a Data Scientist , your main responsibilities will be to: Develop and implement machine learning algorithms and models. Translate data science prototypes into production ready machine learning systems. Design, build and maintain infrastructure to train, deploy and scale ML models. Preprocess, clean and prepare data to ensure suitability for model training. Extract relevant insights and features from complex datasets. Build and maintain data pipelines...
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
Mar 31, 2026
Hourly/Freelance
Data Scientist (Python & SQL) - AI Trainer 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 is project-based, not permanent employment. What this opportunity involves While each project involves unique tasks, contributors may: Design original computational data science problems that simulate real-world analytical workflows across industries (telecom, finance, government, e-commerce, healthcare) Create problems requiring Python programming to solve (using Pandas, Numpy, Scipy, Sklearn, Statsmodels, Matplotlib, Seaborn) Ensure problems are computationally intensive and cannot be solved manually within reasonable timeframes (days/weeks) Develop problems requiring non-trivial reasoning chains in data processing, statistical analysis, feature engineering, predictive modeling, and insight extraction Create...
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