13 user experience designer jobs found in Cardiff, remote

This opportunity is ideal for a User Interface Designer seeking a remote, project-based role with the potential for ongoing collaboration. The position involves working on a single assignment, contributing to the visual and interactive aspects of digital products. The successful candidate will play a key role in shaping user experiences, ensuring intuitive navigation, and delivering visually appealing interfaces that align with project goals. This role is suited for professionals who thrive in remote environments and are comfortable collaborating with distributed teams. Requirements Proven experience in UI design for web or mobile applications Strong portfolio demonstrating expertise in user interface design and visual storytelling Proficiency with industry-standard design tools such as Figma, Sketch, or Adobe XD Solid understanding of user-centered design principles and best practices Ability to translate requirements into wireframes, prototypes, and high-fidelity...

About Us: Based in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in software engineering, logical reasoning, STEM, multilinguality, multimodality, and agents; and second, by applying that expertise to help enterprises transform AI from proof of concept into proprietary intelligence with systems that perform reliably, deliver measurable impact, and drive lasting results on the P&L. Project Overview: As a Software Engineering evaluator, you will create cutting-edge datasets for training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code examples, providing precise solutions, and making corrections in...

Join Tether and Shape the Future of Digital Finance At Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting-edge solutions empower businesses—from exchanges and wallets to payment processors and ATMs—to seamlessly integrate reserve-backed tokens across blockchains. By harnessing the power of blockchain technology, Tether enables you to store, send, and receive digital tokens instantly, securely, and globally, all at a fraction of the cost. Transparency is the bedrock of everything we do, ensuring trust in every transaction. Innovate with Tether Tether Finance: Our innovative product suite features the world’s most trusted stablecoin, USDT , relied upon by hundreds of millions worldwide, alongside pioneering digital asset tokenization services. But that’s just the beginning: Tether Power: Driving sustainable growth, our energy solutions optimize excess power for Bitcoin mining using eco-friendly practices in state-of-the-art,...

Remote contract for PhDs in Biology, Biotechnology, Biochemistry, or related fields. Work on cutting-edge projects with top AI labs while earning up to $50+/hour, fully remote, with flexible weekly hours. No AI experience required Role Overview: Help fine-tune large language models (like ChatGPT) using your biology knowledge. You’ll design problems, check how well AI solves them, and work with researchers to build better benchmarks. Responsibilities: Design advanced biology questions to test AI performance. Develop clear, step-by-step solutions with rigorous logic. Evaluate AI outputs for accuracy and quality of reasoning. Collaborate with researchers to refine benchmarks across undergraduate to PhD-level biology topics. Requirements: PhD (pursuing or completed) in Biology, Biotechnology, Biochemistry, or a related field. Strong biology reasoning and problem-solving skills across advanced domains. Ability to communicate complex ideas clearly in writing...

At Crossing Hurdles, we work as a referral partner. We refer candidates to Mercor that collaborates with the world’s leading AI research labs to build and train cutting-edge AI models. Organization: Mercor Position: Registered Nurses Referral Partner: Crossing Hurdles Type: Hourly contract Compensation: $60–$100 per hour Location: Remote Commitment: 10-40 hours/week, flexible and asynchronous Duration: Project-based (3-4 weeks initially, potential extension) Role Responsibilities: Use your professional experience as a Registered Nurse to design questions related to nursing practices. Collaborate with the project team to ensure the questions reflect the actual duties and responsibilities of Registered Nurses. Review AI-generated nursing content to ensure it is accurate and follows healthcare industry standards. Support the AI model in learning about healthcare workflows, patient management, and clinical procedures. Ideal Qualifications:...

At Crossing Hurdles, we work as a referral partner. We refer candidates to Mercor that collaborates with the world’s leading AI research labs to build and train cutting-edge AI models. Organization: Mercor Position: Clinical Researcher (STEM PhD) Referral Partner: Crossing Hurdles Type: Hourly Contract Compensation: $70–$80/hour Location: Remote Commitment: 10–40 hours/week Role Responsibilities Design and refine research tasks grounded in clinical and biomedical science. Use medical and scientific databases (e.g., ClinicalTrials.gov, PubMed, FDA, CDC) to inform task creation and validation. Evaluate AI-generated outputs for accuracy, data integrity, and adherence to scientific standards. Develop evaluation rubrics to measure AI model performance in clinical reasoning and research contexts. Collaborate asynchronously with experts to ensure quality and consistency across outputs. Requirements PhD in a STEM field from a top university in...

Sales Growth Business Partner — Flowmingo Partner Program About Flowmingo Flowmingo is reimagining how companies hire. Backed by Y Combinator and trusted by modern recruiters, we’re an AI-powered interview platform helping fast-growing teams identify top talent faster and more fairly. Flowmingo has enabled companies to drastically reduce screening time by 90% while improving candidate experience and selection quality to 95%. The best part? We're free to adopt (This makes the product both accessible and valuable to a wide range of companies), and scale with premium features for teams needing deeper structure and data control. About the Role As a Sales Growth Business Partner, you will introduce Flowmingo to forward-thinking companies and leaders in your network. Your mission is to help them modernize hiring, streamline screening, and embrace AI-assisted selection. This is a referral-based role with no fixed hours. Whether you're an agency recruiter,...

Senior Java Developer | Travel-tech Senior Java Developer | £300-400/day | Outside IR35 | Fully Remote within Europe A fast-growing travel-tech organisation is embarking on a major product evolution and is looking for an experienced Senior Java Developer to join their team. This is a key engineering role working on high-traffic, consumer-facing systems used across Europe. What You’ll Work On Lead the evolution of a large-scale Java, Springboot, and MySQL , ensuring it can support a new universal architecture across multiple products. Design and implement new backend features, Unit Testing, API testing, and system improvements to support both web and mobile clients. Contribute to shared architecture, functional models, and backend design patterns to unify services across the organisation. Required Skills & Experience Senior-level expertise building and maintaining commercial, production-scale applications . Deep proficiency in: Java...

Are you ready to join a global leader in risk and resilience? SPS Global is the Global Assistance arm of Concentric Group, a leading international risk consultancy. Together, we deliver integrated Security, Medical, and Crisis Response solutions to clients operating in complex environments worldwide. In a world of shifting threats, SPS Global stands as a trusted partner powered by elite professionals from military, government, and intelligence backgrounds. Our teams safeguard people, assets, and organizations through strategic foresight, operational expertise, and rapid global response. If you are passionate about intelligence, risk analysis, threat management, executive protection, security operations, or business resiliency, SPS Global may be the organization you’ve been searching for. As part of Concentric Group, we provide a full spectrum of services, including: • Strategic advisory and risk consultancy • Threat intelligence and open-source monitoring • Physical and executive...

Grafana Labs is a remote-first, open-source powerhouse. There are more than 20M users of Grafana, the open source visualization tool, around the globe, monitoring everything from beehives to climate change in the Alps. The instantly recognizable dashboards have been spotted everywhere from a NASA launch and Minecraft HQ to Wimbledon and the Tour de France. Grafana Labs also helps more than 3,000 companies -- including Bloomberg, JPMorgan Chase, and eBay -- manage their observability strategies with the Grafana LGTM Stack, which can be run fully managed with Grafana Cloud or self-managed with the Grafana Enterprise Stack, both featuring scalable metrics (Grafana Mimir), logs (Grafana Loki), and traces (Grafana Tempo). We’re scaling fast and staying true to what makes us different: an open-source legacy, a global collaborative culture, and a passion for meaningful work. Our team thrives in an innovation-driven environment where transparency, autonomy, and trust fuel everything we do....

This is an initial 6 month contract, remote opportunity for those based in the UK. About Nearform Nearform is an independent team of data & AI experts, engineers, and designers who build intelligent digital solutions and capability at pace. We create AI-enabled solutions that enhance digital experiences, empower developers, and deliver measurable results. In these ways, we partner with ambitious enterprises to deliver enduring impact. Our deep expertise in solving the world’s most complex digital problems, along with our collaborative, people-first approach, enables enterprises to build breakthrough products and modernise legacy systems by unleashing the power of AI. Today, our team of 500 experts in 20+ countries is trusted by leading enterprises including Lululemon, Puma, Sun Life, Starbucks, Travelex, Virgin Media 02, and Walmart. As part of our Engineering function, you will work closely with clients to translate complex business requirements into innovative digital...

At Crossing Hurdles, we work as a referral partner. We refer candidates to Mercor that collaborates with the world’s leading AI research labs to build and train cutting-edge AI models. Organization: Mercor Position: Lodging Managers (Accommodation and Food Services) Referral Partner: Crossing Hurdles Type: Hourly contract Compensation: $90-$150 per hour Location: Remote Commitment: 10–40 hours/week Role Responsibilities (Training support will be provided) Use domain experience to design occupation-specific tasks and questions Review and refine peer-generated deliverables for improved research quality Provide insights based on real-world lodging management workflows Support dataset development for advanced AI model training Requirements Strong experience working as a Lodging Manager (Accommodation & Food Services) Excellent written communication Desktop/laptop required (Chromebooks not supported) Must commit a minimum of 15 hours...

Are you passionate about storytelling through visual media? Join us at Astrum one of the largest astronomy channels on YouTube with over 2 million subscribers. We are looking for talented and creative Freelance Video Editors to join our remote production team. The ideal candidates will have a background in video editing and a genuine interest in science content. Experience editing documentaries and educational content will be considered a valuable asset Tasks Tasks Edit and produce high-quality long form videos that incorporate live action and animation footage, utilising video editing software and and collaborating with animators Archive Research - Search databases for relevant high-quality images, footage and visuals. Source, download, select and import suitable media elements (videos, images, audio) Work closely with the creator and the production team to ensure all video content is accurate, informative and engaging Integrate the tone of voice from the...