79 independent contractor jobs found

Overview Are you looking for an opportunity to contribute to a new UK-based indie start-up? This is a royalty-upon-release independent contractor opportunity, ideal for individuals looking to expand their portfolio by contributing to an in-development title. We are looking for a programmer who can help build, connect, test, and improve gameplay systems for our Unreal Engine project. The role is focused on C++ gameplay programming, reusable components, and making sure core systems work together cleanly in-engine. Role type Independent contractor, not employment and not an internship. Remote. Work is delivered on a milestone / agreed deliverables basis. You manage your own time to meet agreed milestones and attend essential check-in meetings. What we’re looking for We are looking for someone who is comfortable working as an independent contractor, delivering agreed services to the project on a milestone / deliverables basis. The ideal...

Overview Are you looking for an opportunity to contribute to a new UK-based indie start-up? This is a royalty-upon-release independent contractor opportunity, ideal for individuals looking to expand their portfolio by contributing to an in-development title. We are looking for a programmer who can help build, connect, test, and improve gameplay systems for our Unreal Engine project. The role is focused on C++ gameplay programming, reusable components, and making sure core systems work together cleanly in-engine. Role type Independent contractor, not employment and not an internship. Remote. Work is delivered on a milestone / agreed deliverables basis. You manage your own time to meet agreed milestones and attend essential check-in meetings. What we’re looking for We are looking for someone who is comfortable working as an independent contractor, delivering agreed services to the project on a milestone / deliverables basis. The ideal...

Overview Are you looking for an opportunity to contribute to a new UK-based indie start-up? This is a royalty-upon-release independent contractor opportunity, ideal for individuals looking to expand their portfolio by contributing to an in-development title. Role type Independent contractor (not employment, not an internship) Remote Work is delivered on a milestone / agreed deliverables basis. You manage your own time to meet agreed milestones and attend essential check-in meetings. What we’re looking for Individuals comfortable working as an independent contractor, delivering agreed services to the project on a milestone/deliverables basis A technically minded contributor with experience in game development, programming, scripting, or technical level design Someone able to support both gameplay implementation and level/encounter setup Experience working with game engines, preferably Unreal Engine Understanding of Blueprint...

pubGENIUS is a React.js and Next.js development agency and ad-tech startup. We build websites and apps for clients across the US and Europe, specializing in decentralized finance (DeFi, crypto, NFT, blockchain), fintech, and healthcare, with occasional work in e-commerce and other verticals. Beyond client work, we operate our own high-revenue web product with a website, mobile app, and machine learning systems powering our ad-tech optimization engine. Performance is not a preference here, it is a core requirement.   We are looking for a Principal Software Engineer, who will be the technical authority, responsible for all development, architecture decisions, and long-term technical strategy across a website, mobile app, and ML-powered ad-tech optimization systems. This is a full-time independent contractor engagement. You will work hands-on at a senior level where site speed and server performance are core success metrics. You will work directly with...

Blackstone& are a technical consultancy who specialise in digital transformation and complex technical deliveries. 15 years ago that meant Cloud adoption. 10 years ago it was DevOps. 5 years ago, SRE and platform engineering. We still cover all of that, but right now a significant part of our work is AI adoption. And we mean actual AI adoption: in production, in Enterprises. Not just a vibe coded app on a local machine.   The pace and impact of each wave keeps accelerating, but we think successful adoption still comes down to two things: people and constraints. What does transformation actually look like inside the limits of an organisation, and how do we bring the people along for it?   This Delivery Manager role sits right at the heart of that question. You will be joining a small, high-performing Blackstone& team embedded in a large-scale AI adoption programme, responsible for making sure the right things get delivered, in the right way, at the...

pubGENIUS is a React.js and Next.js development agency and ad-tech startup. We build websites and apps for clients across the US and Europe, specializing in decentralized finance (DeFi, crypto, NFT, blockchain), fintech, and healthcare, with occasional work in e-commerce and other verticals. Beyond client work, we operate our own high-revenue web product with a website, mobile app, and machine learning systems powering our ad-tech optimization engine. Performance is not a preference here, it is a core requirement.   We are looking for a Principal Software Engineer, who will be the technical authority, responsible for all development, architecture decisions, and long-term technical strategy across a website, mobile app, and ML-powered ad-tech optimization systems. This is a full-time independent contractor engagement. You will work hands-on at a senior level where site speed and server performance are core success metrics. You will work directly with...

Blackstone& are a technical consultancy who specialise in digital transformation and complex technical deliveries. 15 years ago that meant Cloud adoption. 10 years ago it was DevOps. 5 years ago, SRE and platform engineering. We still cover all of that, but you guessed it, a lot of our work right now is AI adoption. And we mean actual AI adoption: in production, in Enterprises. Not just a vibe coded app on a local machine.   The pace and impact of each wave keeps accelerating, but we think successful adoption still comes down to two things: people and constraints. What does transformation actually look like inside the limits of an organisation, and how do we bring the people along for it?   Interested in helping us answer those questions for our customers?   WHAT YOU'LL BRING Core Skills Solid back-end engineering foundations. You write code that others can read, test, and build on Hands-on experience with AWS Bedrock,...

pubGENIUS is a React.js and Next.js development agency and ad-tech startup. We build websites and apps for clients across the US and Europe, specializing in decentralized finance (DeFi, crypto, NFT, blockchain), fintech, and healthcare, with occasional work in e-commerce and other verticals. Beyond client work, we operate our own high-revenue web product with a website, mobile app, and machine learning systems powering our ad-tech optimization engine. Performance is not a preference here, it is a core requirement.   We are looking for a Principal Software Engineer, who will be the technical authority, responsible for all development, architecture decisions, and long-term technical strategy across a website, mobile app, and ML-powered ad-tech optimization systems. This is a full-time independent contractor engagement. You will work hands-on at a senior level where site speed and server performance are core success metrics. You will work directly with...

Project Overview Cambridge Spark is seeking an independent, high-calibre AI Transformation Delivery Consultant (Project Basis) to deliver strategic advisory and technical scoping services for our executive-level clients. This is a project-based contract engagement to deliver projects as part of our executive education programmes. The successful consultant will act as an external specialist, bridging the gap between technical capability and business value by leading defined workstreams within our Leading with AI programme. The project is remote / UK-based (with project-specific onsite delivery in London, Cambridge and client sites as required). Key Deliverables & Scope of Work The consultant will be responsible for delivering the following outcomes: Executive Advisory & Value Discovery: Deliver strategic consulting to client executives, identifying and documenting high-impact opportunities where AI can drive operational efficiency or new business models....

Who Are We? Xcelirate develops technologically-advanced platforms which are accessed by thousands of users every minute! We are proud to offer a workplace where the sharpest developers come together to strategically plan and swiftly execute practices which see us maintain our existing market dominance and attain global expansion. We owe our success to our customers who have seen us grow across a decade, and our talented team who have made that growth possible!   What are we looking for? You're a Principal-Level Engineer first. The tech lead title is almost incidental. It just means you're the person the team orbits around, because that's what happens naturally when you're the one who understands the system most deeply and keeps the clearest head under pressure. The 10% that's people management fits inside your engineering work, not alongside it. You hire, you steer, you unblock, but you do it the way a strong engineer does everything: with good...

Senior UX Researcher – Contract (outside IR35)   We need a Contractor to join us as a UX Researcher to support a global strategic project with a focus on mixed quantitative and qualitative research methods, particularly strong quantitative skills.   Here's the experience we expect you to possess:   6+ years of user research experience with direct, hands-on experience in both qualitative and quantitative methods Demonstrated experience in designing and leading large-scale quantitative surveys across large samples Hands-on experience with information architecture methods, including tree testing and card sorting Strong experience with moderated and unmoderated usability testing in an Agile delivery environment Deep familiarity with UX metrics and benchmarking, including SUS, task completion rate, SEQ and related usability and performance measures Ability to synthesise quantitative and qualitative findings into clear,...

Contract: Initial paid technical audit, followed by 2 days per week for 3 months Location: Remote (UK-based candidates only, UK timezone required) Start date: ASAP Day rate: Please provide your expected UK contractor day rate We are seeking a Fractional Senior Full-Stack Engineer / Technical Lead to help prepare an established UK-facing B2B SaaS platform for commercial launch. The product is already substantially built and is not a greenfield project. The immediate focus is to understand the existing codebase, assess production readiness, identify critical risks, and support the final hardening, testing, and stabilisation of the platform ahead of launch. This role is suited to a senior UK-based contractor comfortable working within large existing systems, navigating unfamiliar codebases, and making pragmatic, high-impact technical decisions under time pressure. Engagement Structure The engagement will begin with a short, paid technical audit. The audit will assess:...

Who Are We? Xcelirate develops technologically-advanced platforms which are accessed by thousands of users every minute! We are proud to offer a workplace where the sharpest developers come together to strategically plan and swiftly execute practices which see us maintain our existing market dominance and attain global expansion. We owe our success to our customers who have seen us grow across a decade, and our talented team who have made that growth possible!   What are we looking for? You're a Principal-Level Engineer first. The tech lead title is almost incidental. It just means you're the person the team orbits around, because that's what happens naturally when you're the one who understands the system most deeply and keeps the clearest head under pressure. The 10% that's people management fits inside your engineering work, not alongside it. You hire, you steer, you unblock, but you do it the way a strong engineer does everything: with good...

Senior UX Researcher - Contract Senior UX Researcher – Contract (outside IR35)   We need a Contractor to join us as a UX Researcher to support a global strategic project with a focus on mixed quantitative and qualitative research methods, particularly strong quantitative skills.   Here's the experience we expect you to possess:   -              6+ years of user research experience with direct, hands-on experience in both qualitative and quantitative methods -              Demonstrated experience in designing and leading large-scale quantitative surveys across large samples -              Hands-on experience with information architecture methods, including tree testing and card sorting...

Contract: Initial paid technical audit, followed by 2 days per week for 3 months Location: Remote (UK-based candidates only, UK timezone required) Start date: ASAP Day rate: Please provide your expected UK contractor day rate We are seeking a Fractional Senior Full-Stack Engineer / Technical Lead to help prepare an established UK-facing B2B SaaS platform for commercial launch. The product is already substantially built and is not a greenfield project. The immediate focus is to understand the existing codebase, assess production readiness, identify critical risks, and support the final hardening, testing, and stabilisation of the platform ahead of launch. This role is suited to a senior UK-based contractor comfortable working within large existing systems, navigating unfamiliar codebases, and making pragmatic, high-impact technical decisions under time pressure. Engagement Structure The engagement will begin with a short, paid technical audit. The audit will assess:...

Who Are We? Xcelirate develops technologically-advanced platforms which are accessed by thousands of users every minute! We are proud to offer a workplace where the sharpest developers come together to strategically plan and swiftly execute practices which see us maintain our existing market dominance and attain global expansion. We owe our success to our customers who have seen us grow across a decade, and our talented team who have made that growth possible!   What are we looking for? You're a Principal-Level Engineer first. The tech lead title is almost incidental. It just means you're the person the team orbits around, because that's what happens naturally when you're the one who understands the system most deeply and keeps the clearest head under pressure. The 10% that's people management fits inside your engineering work, not alongside it. You hire, you steer, you unblock, but you do it the way a strong engineer does everything: with good...

Data Architect (Azure | Databricks | Lakehouse) Contract | Remote | UK Public Sector Project   We are seeking a Data Architect to work within a multi-disciplinary team to design and deliver a new data service within a large-scale organisational environment. This role involves shaping data architecture, supporting data engineering activities, and ensuring data models and documentation meet organisational standards and requirements. The Data Architect will collaborate closely with technical and non-technical stakeholders to establish robust data structures, governance practices, and scalable solutions across the data platform.   Who We’re Looking For An experienced Data Architect who can confidently lead client engagements, design scalable data platforms, and align technical solutions with business outcomes.   Key Responsibilities Review existing system design and data architecture; update documentation, data dictionaries,...

Location Remote Department Data Insights & Analytics Employment Type Contractor Minimum Experience Manager/Supervisor Who We Are: Billigence is a boutique data consultancy with global reach, helping organisations transform the way they work with data. We specialise in delivering high-impact solutions across Data Management, Data Governance, Cloud Data Platforms, AI Enablement, and Advanced Analytics. Headquartered in Sydney, with offices across the UK, Europe, and APAC, Billigence partners with organisations to design and implement modern data capabilities that drive better decision-making and business outcomes. Our teams work on complex, enterprise-scale transformation programmes across industries including retail, financial services, telecommunications, and technology.     About the Role: Billigence is seeking an experienced Alteryx Consultant to...

This role is delivered within secure environments. Candidates must be eligible for UK SC clearance and hold UK citizenship. Join the Mission At ByDesign Secure, we believe that world‑class security shouldn't be an afterthought— it should be the foundation. We are an independent, outputs‑based consultancy dedicated to solving the most complex data assurance challenges in the UK public sector. Currently, we are working on a landmark transformation of a cross‑government secure IT system. This is an exciting opportunity to contribute to the design and consumption of a private cloud environment from the ground up and help modernise the end‑user services that support national decision‑making. We don’t believe in “billing by the hour” or rigid hierarchies; we are a lean, expert team focused on delivering high‑impact outcomes. If you are a self‑starter who thrives on autonomy and wants to see your analysis, insights, and business decisions shape the...

This role is delivered within secure environments. Candidates must be eligible for UK SC clearance and hold UK citizenship. Join the Mission At ByDesign Secure, we believe that world‑class security shouldn't be an afterthought— it should be the foundation. We are an independent, outputs‑based consultancy dedicated to solving the most complex data assurance challenges in the UK public sector. Currently, we are working on a landmark transformation of a cross‑government secure IT system. This is an exciting opportunity to contribute to the design and consumption of a private cloud environment from the ground up and help modernise the end‑user services that support national decision‑making. We don’t believe in “billing by the hour” or rigid hierarchies; we are a lean, expert team focused on delivering high‑impact outcomes. If you are a self‑starter who thrives on autonomy and wants to see your analysis, insights, and business decisions shape the...