123 freelance jobs found in London

Google Ads & PPC Growth Specialist (Freelance) Help Build the Growth Engine for an Ambitious Startup We're looking for an exceptional Google Ads & PPC Growth Specialist to join us on a freelance basis, with the opportunity to become one of our first full-time hires as we scale. This isn't a role for someone who simply launches campaigns and checks ROAS once a week. We're building a new platform and need someone who is obsessed with experimentation, conversion optimisation, and finding scalable acquisition channels. We want someone who is hungry to grow with us. PPC will be at the forefront of our growth strategy, making this one of the most important roles in the business. You'll work directly with the founder, helping shape our paid acquisition strategy from the ground up. What You'll Be Doing Build, manage and optimise Google Ads campaigns focused on lead generation. Work directly with the founder to identify target markets, dominate them...

Next15 is a group of specialist businesses powered by data and technology, delivering measurable solutions for clients and lasting value for shareholders. We employ over 3000 people across 15 countries. Within our family of 12 consultancies, data and marketing services businesses, we focus on solving our clients' most complex growth challenges. Role overview We are looking for a freelance Data, AI and Operational Strategy lead to join our team in London. This is a short-term contract role to begin with, with the potential to evolve into permanent depending on the ongoing delivery requirements. Reporting into the Chief of Staff and working directly with the Senior Leadership team within Next 15 Group, this role plays a critical role in the execution of our strategy – Data powered growth fit for an AI future. Sitting at the intersection of data, technology, and people, this role blends hands-on data strategies with close collaboration across teams and brand...

Full job description 3-4 days per week, hybrid work policy in central London office We're looking for a freelance product engineer to join us between June and October 2026, working primarily on wonderbly.com with a focus on driving growth into Q4. This is a hands-on role. The work involves close collaboration with the VP product and other teams to solve deep customer experience challenges around our Kids and Keepsake landing pages and journeys, in order to unlock growth in these key areas for the business. You'll be working within a small, focused team — and at least some of the time, with a fair amount of autonomy. We're not looking for someone to execute a perfect brief. We're looking for someone with the judgment to help us figure out the right thing to build, and then build it well. A few things that are important to us The work you're doing feeds directly into beautifully made, deeply personal books that people treasure. People’s...

Next15 is a group of specialist businesses powered by data and technology, delivering measurable solutions for clients and lasting value for shareholders. We employ over 3000 people across 15 countries. Within our family of 12 consultancies, data and marketing services businesses, we focus on solving our clients' most complex growth challenges. Role overview We are looking for a freelance Data, AI and Operational Strategy lead to join our team in London. This is a short-term contract role to begin with, with the potential to evolve into permanent depending on the ongoing delivery requirements. Reporting into the Chief of Staff and working directly with the Senior Leadership team within Next 15 Group, this role plays a critical role in the execution of our strategy – Data powered growth fit for an AI future. Sitting at the intersection of data, technology, and people, this role blends hands-on data strategies with close collaboration across teams and brand...

Please submit your resume in English and indicate your level of English. Mindrift is looking for a highly skilled Web Designer to join the Tendem project (https://tendem.ai/) and drive specialized data scraping workflows within our hybrid AI + human system. In this role, you 'll collaborate with Tendem Agents that handle repetitive tasks, while you provide the critical thinking, domain expertise, and layout skills necessary to turn briefs and rough drafts into clean, on-brand, and easy-to-ship web-ready designs. This part-time remote opportunity is ideal for creative professionals with hands-on experience in UI/web design, marketing pages, and digital visual communications. 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 a Web Designer, your...

Next15 is a group of specialist businesses powered by data and technology, delivering measurable solutions for clients and lasting value for shareholders. We employ over 3000 people across 15 countries. Within our family of 12 consultancies, data and marketing services businesses, we focus on solving our clients' most complex growth challenges. Role overview We are looking for a freelance Data, AI and Operational Strategy lead to join our team in London. This is a short-term contract role to begin with, with the potential to evolve into permanent depending on the ongoing delivery requirements. Reporting into the Chief of Staff and working directly with the Senior Leadership team within Next 15 Group, this role plays a critical role in the execution of our strategy – Data powered growth fit for an AI future. Sitting at the intersection of data, technology, and people, this role blends hands-on data strategies with close collaboration across teams and brand stakeholders....

Company Description The Klick Group —comprising Klick Health (including Klick Katalyst and btwelve), Klick Media Group, Klick Applied Sciences (including Klick Labs), Klick Consulting, and Klick Ventures—is an ecosystem dedicated to realizing the full potential of our people and clients in life sciences. Founded in 1997, we have offices in New York, Philadelphia, Saratoga Springs, Toronto, London, São Paulo, and Singapore. Consistently named a Best Managed Company, Most Admired Corporate Culture, and Great Place to Work, Klick is committed to fostering a high-performance, people-first culture with creativity, collaboration, innovation, and impact across everything we do. About Our Project Management Craft Our Project Management Craft brings structure and momentum to complex work. The team plans, coordinates, and tracks delivery across disciplines. They ensure projects stay on time, on scope, and on budget. Their work enables collaboration and efficiency....

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 and evaluate fee inquiry and statement clarification scenarios - verifying that fee amounts match disclosed schedules and distinguishing descriptor-mapping questions from real fraud claims; Create autopay and payment setup scenarios with deliberate traps: incorrect payee, insufficient-funds policy, wrong draft date, or missing confirmation steps; Build card replacement and fraud claim scenarios testing card-block urgency, fraud-signal recognition, intake information capture, and clean handoff to the disputes team; Author account closure scenarios testing retention-offer eligibility logic,...

About Cinnamon Cinnamon is the most ambitious independent Roblox studio in the world. Our games have generated billions of visits, reached millions of players worldwide and continue to grow every day. Our portfolio includes LifeTogether (3.5+ billion visits), Block Spin (990+ million visits) and Bayview (600+ million visits), alongside an ambitious project currently in development. We build original games. We own our products. We invest in them for the long term. We're looking for a freelance Roblox UI Designer to support upcoming events, activations and live content inside LifeTogether. The Role You'll create interfaces used by millions of players during branded events and seasonal activations. We're specifically looking for someone who builds UI directly inside Roblox Studio, not somebody who only produces Figma mockups. You'll work closely with designers and programmers to create polished, functional interfaces that can be implemented...

Updated: 21 June 2026 Freelance 8–20 hrs/week Remote (EU/UK)   Are you an experienced software engineer who instinctively spots gaps in technical reasoning and understands the complex realities of software development? Do you have 8 to 20 hours per week available alongside your main job or freelance projects? Join us in shaping how AI understands and applies software engineering expertise at scale.   About the Role 10x.team connects expert freelancers with leading AI labs building next-generation models. We are looking for knowledgeable software engineers based in the EU or UK to enhance the accuracy, depth, and real-world relevance of AI-powered engineering systems.   What You Will Do Review and refine AI-generated outputs related to software engineering, technical documentation, code quality, and practical aspects of software development Evaluate AI responses for technical accuracy, practicality, and alignment...

Updated: 21 June 2026 Freelance 8–20 hrs/week Remote (EU/UK)   Are you an experienced platform engineer who instinctsively spots gaps in technical reasoning and understands the complex realities of platform engineering? Do you have 8 to 20 hours per week available alongside your main job or consulting projects? Join us in shaping how AI understands and applies platform engineering expertise at scale.   About the Role 10x.team connects expert freelancers with leading AI labs building next-generation models. We are looking for knowledgeable platform engineers based in the EU or UK to enhance the accuracy, depth, and real-world relevance of AI-powered engineering systems.   What You Will Do Review and refine AI-generated outputs related to platform engineering, system architecture, deployment workflows, and practical aspects of infrastructure management Evaluate AI responses for technical accuracy, practicality,...

Are you a coding expert fluent in Python eager to shape the future of AI? Large‑scale language models are evolving from clever chatbots into powerful engines of scientific discovery. With high‑quality training data, tomorrow's AI can democratize world‑class education, keep pace with cutting‑edge research, and streamline software development for engineers everywhere. That training data begins with you—we need your expertise to help power the next generation of AI. We're looking for Python coding specialists who live and breathe algorithms, data structures, software architecture, frontend and backend development, cloud infrastructure, and systems programming—and who can do so fluently using Python. You'll challenge advanced language models on topics like asynchronous programming, RESTful API integration, memory management, object-oriented design, secure coding practices, and debugging distributed systems—documenting every failure mode so we can harden model reasoning. On a...

About the role: We are launching the UK support team for our client ! As a Technical Support Agent , you will be the first point of contact for our UK users and play a key role in delivering high-quality technical assistance across our communication platform. You will join a fast-growing international support organization, working closely with senior support engineers, team leads, and technical teams across Europe. Major responsibilities : Must have strong experience with the most recent versions of Microsoft Windows, and MacOS & Linux. Familiar with supporting iOS, iPadOS, and Android mobile devices. Acts as a technical point of contact for all employees and assists in analyzing problems and coordinating resolutions for end users and IT teams; utilizes ticket tracking systems to document, track and monitor issues. Escalation point for Level 1 Technical Engineers Projects Assigned by Leads to help other teams excel....

Joining a cross functional Delivery team (software engineers, delivery, QA, UX, design) Client is in financial services domain ILarge platform and product build inc. customer journeys. Ideal start date 23rd July 2026 6 months contract - likely to extend £day rate / outside IR35 2 days / week in person working Immediate interviews. Red Badger Founded in 2010 by Stuart, Cain and David, we help large organisations improve their speed to market whilst focusing on delivering value to their users and customers. We work with our clients to understand their problems and validate ideas in order to deliver improved process efficiencies, strategic enhancements and new digital products and services (or make significant improvements to existing ones). The best bit about Red Badger is, of course, the team. We've been around for 10+ years now and we are 100 strong. We are really proud of our people; we support and learn a lot from each other; we work really hard...

Mindrift is looking for skilled Bot Developers (WhatsApp Business API, Telegram Bot API, Discord API) to join the Tendem project (https://tendem.ai/) and build conversational bots and messaging-platform 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 bot engineering expertise, conversational design judgment, and quality control to ensure bots are reliable, useful, and ready for real users. This part-time remote opportunity is ideal for professionals with hands-on experience building messaging bots, working with platform APIs and webhooks, and implementing conversational logic. 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....

Next15 is a group of specialist businesses powered by data and technology, delivering measurable solutions for clients and lasting value for shareholders. We employ over 3000 people across 15 countries. Within our family of 12 consultancies, data and marketing services businesses, we focus on solving our clients' most complex growth challenges. Role overview We are looking for a freelance Data, AI and Operational Strategy lead to join our team in London. This is a short-term contract role to begin with, with the potential to evolve into permanent depending on the ongoing delivery requirements. Reporting into the Chief of Staff and working directly with the Senior Leadership team within Next 15 Group, this role plays a critical role in the execution of our strategy – Data powered growth fit for an AI future. Sitting at the intersection of data, technology, and people, this role blends hands-on data strategies with close collaboration across teams and brand stakeholders....

About Cinnamon Cinnamon is the most ambitious independent Roblox studio in the world. Our games have generated billions of visits, reached millions of players worldwide and continue to grow every day. Our portfolio includes LifeTogether (3.5+ billion visits), Block Spin (990+ million visits) and Bayview (600+ million visits), alongside an ambitious project currently in development. We build original games. We own our products. We invest in them for the long term. We're looking for a freelance Roblox UI Designer to support upcoming events, activations and live content inside LifeTogether. The Role You'll create interfaces used by millions of players during branded events and seasonal activations. We're specifically looking for someone who builds UI directly inside Roblox Studio, not somebody who only produces Figma mockups. You'll work closely with designers and programmers to create polished, functional interfaces that can be implemented...

Updated: 21 June 2026 Freelance 8–20 hrs/week Remote (EU/UK) Are you an experienced platform engineer who instinctsively spots gaps in technical reasoning and understands the complex realities of platform engineering? Do you have 8 to 20 hours per week available alongside your main job or consulting projects? Join us in shaping how AI understands and applies platform engineering expertise at scale. About the Role 10x.team connects expert freelancers with leading AI labs building next-generation models. We are looking for knowledgeable platform engineers based in the EU or UK to enhance the accuracy, depth, and real-world relevance of AI-powered engineering systems. What You Will Do Review and refine AI-generated outputs related to platform engineering, system architecture, deployment workflows, and practical aspects of infrastructure management Evaluate AI responses for technical accuracy, practicality, and compliance with...

Who we are: We are a rapidly growing pan-European digital wealth manager, serving over 167,000 active investors with more than £5.5 billion invested on our platform. We began in Milan in 2011 with the purpose to help more people improve their financial well-being by making personal investing simple and accessible through technology. Fast forward to today, and we are recognised as one of the most innovative fintechs, headquartered in the heart of London. With a team of 220+ people across 4 offices in Italy and the UK, we are proudly backed and funded by major partners including Poste Italiane, Cabot Square Capital, United Ventures, and Allianz. Our vision Our vision is to combine passion, expertise, and technology to provide best-in-class investment solutions and advice that protects and grows client wealth over time. Our Core Values: We’ve built our business on three Principles: Relationships are our first asset: We’re one team, built on trust,...

Updated: 21 June 2026 Freelance 8–20 hrs/week Remote (EU/UK) Are you an experienced software engineer who instinctively spots gaps in technical reasoning and understands the complex realities of software development? Do you have 8 to 20 hours per week available alongside your main job or freelance projects? Join us in shaping how AI understands and applies software engineering expertise at scale. About the Role 10x.team connects expert freelancers with leading AI labs building next-generation models. We are looking for knowledgeable software engineers based in the EU or UK to enhance the accuracy, depth, and real-world relevance of AI-powered engineering systems. What You Will Do Review and refine AI-generated outputs related to software engineering, technical documentation, code quality, and practical aspects of software development Evaluate AI responses for technical accuracy, practicality, and alignment with real-world...