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21 ai trainer jobs found

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United Kingdom ai trainer
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Contract Spy
May 21, 2026
Hourly/Freelance
Integration Developer (API Specialist) - AI Trainer at Mindrift, Remote, £Freelance Rate
Contract Spy Remote (United Kingdom)
Mindrift is looking for skilled Integration Developers (API Specialists) to join the Tendem project (https://tendem.ai/) and build robust system integrations within our hybrid AI + human environment. In this role, as an AI Pilot - that's how we refer to this position at Mindrift - you'll collaborate with Tendem Agents that handle repetitive tasks, while you provide system integration expertise, structured thinking, and quality control to ensure reliable and scalable data connectivity across platforms. This part-time remote opportunity is ideal for professionals with hands-on experience in APIs, webhooks, and building multi-system data pipelines. 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 This is a freelance role for a Tendem project. As an Integration Developer (API Specialist),...
Contract Spy
May 15, 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...
Contract Spy
Apr 30, 2026
Hourly/Freelance
Statistics & Python Expert - 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 statistics problems that simulate real mathematical research workflows; Create problems requiring Python programming to solve (using Numpy, SciPy, Sympy); Ensure problems are computationally intensive and cannot be solved manually within reasonable timeframes (days/weeks); Develop problems requiring non-trivial reasoning chains in areas like number theory, combinatorics, graph theory, and numerical analysis; Base problems on real research challenges or practical applications from mathematical practice; Verify solutions using Python with standard...
Contract Spy
Apr 29, 2026
Hourly/Freelance
Machine Learning Scientist - AI Trainer at DataAnnotation, Remote, £40-£60 per hour
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 an experienced Machine Learning Scientist - AI Trainer to help advance AI development. AI models are increasingly capable of performing complex analytical and scientific reasoning — but these systems still need practitioners with real-world quantitative experience to validate whether the outputs actually hold up in practice. That's where you come in. As a member of DataAnnotation's team, you'll work closely with state-of-the-art AI models on tasks like evaluating AI-generated quantitative analysis, solving technical problems, and providing feedback that directly shapes how these systems reason about data, models, and scientific problems. Whether your background is in data science, astrophysics, economics, biostatistics, operations research, or any other...
Contract Spy
Apr 29, 2026
Hourly/Freelance
Product Analyst - AI Trainer at DataAnnotation, Remote, £40-£60 per hour
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 an experienced Product Analyst - AI Trainer to help advance AI development. AI models are increasingly capable of performing complex analytical and scientific reasoning — but these systems still need practitioners with real-world quantitative experience to validate whether the outputs actually hold up in practice. That's where you come in. As a member of DataAnnotation's team, you'll work closely with state-of-the-art AI models on tasks like evaluating AI-generated quantitative analysis, solving technical problems, and providing feedback that directly shapes how these systems reason about data, models, and scientific problems. Whether your background is in data science, astrophysics, economics, biostatistics, operations research, or any other quantitative field,...
Contract Spy
May 18, 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
May 18, 2026
Hourly/Freelance
QA Engineer - 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
May 07, 2026
Duration not stated
Quality Assurance Developer - AI Trainer at DataAnnotation, Remote, £Hourly Rate
Contract Spy London, 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 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 30, 2026
Hourly/Freelance
Systems Architect - 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 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...
Contract Spy
Apr 30, 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 29, 2026
Hourly/Freelance
API 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 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...
Contract Spy
Apr 29, 2026
Hourly/Freelance
Quality Assurance 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 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....
Contract Spy
Apr 29, 2026
Hourly/Freelance
Web 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 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...
Contract Spy
Apr 29, 2026
Hourly/Freelance
Mobile App 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 Mobile App 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
May 14, 2026
Hourly/Freelance
Technical Trainer - Application Modernisation at NIIT, UK, £Freelance Rate
Contract Spy United Kingdom
About NIIT   NIIT provides comprehensive and scalable managed training services for learning administration that maps directly to our customer needs. Training is our business and passion. We are one of the largest training outsourcing providers in the world. NIIT delivers and administers 75,000 days of training each year, in 18 languages. We have designed and developed over 50,000 days of classroom training and 20,000 hours of web-based training localized to more than 25 languages. NIIT is a global service provider. We have a presence in more than 40 countries.     Link to our LinkedIn Page - https://www.linkedin.com/company/niit-limited/ Link to our website - https://www.niit.com/en/learning-outsourcing/     Job title: Freelance Technical Trainer Location: Anywhere in UK Job type: Freelance   Job Overview:   We are hiring a Technical Bootcamp Facilitator to deliver a 5-day virtual...
Contract Spy
May 21, 2026
Duration not stated
Senior Geospatial Data Scientist at Buro Happold, London, £Contract Option
Contract Spy London, UK
Are you a Geospatial Data Scientist looking to grow your expertise and make a difference on projects across the world? You will join us as a Geospatial Data Scientist - a key member of our Geospatial Science and Digital Twins team, responsible for applying advanced analytical techniques to derive insights from its big data. We are proud of the different clients, countries and types of project that we get the opportunity to experience. We have particular expertise in large scale masterplanning projects and enjoy a mix of scales and projects type and aim to ensure our team members experience a broad range of projects during their careers. This is a permanent opportunity however we are open to candidates who wish to work on a contract basis (inside IR35).   Key Duties Responsible for undertaking research and development into geospatial services and application of new technologies, development of automated solutions, including developing 3D virtual cities...
Contract Spy
May 14, 2026
Duration not stated
Senior Geospatial Data Scientist at Buro Happold, London, £Contract Option
Contract Spy London, UK
Are you a Geospatial Data Scientist looking to grow your expertise and make a difference on projects across the world?  You will join us as a Geospatial Data Scientist - a key member of our Geospatial Science and Digital Twins team, responsible for applying advanced analytical techniques to derive insights from its big data. We are proud of the different clients, countries and types of project that we get the opportunity to experience. We have particular expertise in large scale masterplanning projects and enjoy a mix of scales and projects type and aim to ensure our team members experience a broad range of projects during their careers.   This is a permanent opportunity however we are open to candidates who wish to work on a contract basis (inside IR35).  Key Duties Responsible for undertaking research and development into geospatial services and application of new technologies, development of automated solutions, including developing 3D...
Contract Spy
May 12, 2026
Duration not stated
UI/UX Designer at SAFe by Scaled Agile, Inc., London, £Contractor Rate
Contract Spy London, England, United Kingdom
Scaled Agile, Inc., (SAI) is a global training and enablement platform equipping enterprises with the capabilities needed to compete in an era defined by rapid change, digital complexity, and AI-driven work. Through SAFe®—the world’s most trusted system for enterprise agility—and a growing portfolio of enterprise AI education and enablement programs, we help organizations make better decisions, accelerate value delivery, and build adaptable, high-performing teams. Supported by a global partner network of more than 400 companies and a vibrant community of more than 2 million trained professionals, SAI equips leaders and teams with the skills, mental models, and operating systems they need to accelerate transformation, improve flow, and unlock value with confidence. Our newest AI-focused offerings are expanding quickly as leaders seek structured, pragmatic guidance on how to become AI-Native and realize ROI where most AI initiatives stall. SAI is headquartered...
Contract Spy
May 11, 2026
Duration not stated
Ai Data Reviewer at YO HR Consultancy, Remote, £Contractor Rate
Contract Spy Remote (United Kingdom)
Job Title : AI Data Reviewer Job Type : Contractor Location : Remote As an AI Data Reviewer, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters. Key Responsibilities Review and analyze screenshots of diverse software interfaces, identifying UI elements and interpreting user workflows with precision. Evaluate and annotate AI model responses, ensuring judgments are strictly grounded in what is visible on the screen. Distinguish between observable evidence and assumptions, documenting clear, well-reasoned explanations for your assessments. Complete structured annotation and data review tasks across dashboards, forms, admin panels, CRM tools, and various web applications. Collaborate with the customer’s team to provide high-quality, actionable feedback...
Contract Spy
Apr 28, 2026
6 Months or more
IT Operations Specialist at Cohere, London, 12 Months, £Contract Rate
Contract Spy London, UK
IT Operations Specialist (12 month contract) Who are we? Our mission is to scale intelligence to serve humanity. We’re training and deploying frontier models for developers and enterprises who are building AI systems to power magical experiences like content generation, semantic search, RAG, and agents. We believe that our work is instrumental to the widespread adoption of AI. We obsess over what we build. Each one of us is responsible for contributing to increasing the capabilities of our models and the value they drive for our customers. We like to work hard and move fast to do what’s best for our customers. Cohere is a team of researchers, engineers, designers, and more, who are passionate about their craft. Each person is one of the best in the world at what they do. We believe that a diverse range of perspectives is a requirement for building great products. Join us on our mission and shape the future! Note: this role is an onsite role for our...
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