startup jobs in Cardiff

You will own the UK market from the first touchpoint to the final signature, selling directly to CTOs, Heads of QA, and Engineering Leaders.

🌍 Expressions of Interest – VC-Backed Cleantech Startups ⚡ At Intervl Group, we partner with some of the most exciting venture-backed businesses across Future Mobility, Renewables, Energy Storage, and Climate Tech. These companies are funded by leading European and North American investors and are building the solutions that will define the energy transition. We are currently seeking...

🚨 Full Stack Engineer (AI & Cybersecurity Startup) - EU Remote🚨 We're partnering with a well-funded AI startup (stealth for now) that’s building at the intersection of LLMs and cybersecurity, and we’re looking to connect with exceptional Full Stack Engineers across the EU. This is an early engineering hire with huge ownership, high autonomy, and the chance to shape a modern product and...

About the role I’m working with a well-funded early-stage BioAI startup applying machine learning to a hard, underexplored biological problem with real implications for climate resilience and food security. They’re building an ML-first platform where research doesn’t sit in isolation. Models are expected to ship, be used by scientists, and influence real experimental decisions. They’re looking...

Code Wizards Group is a world leader in backend and multiplayer infrastructure for the gaming industry. From high-scale AAA console and PC games to fast-paced mobile indie titles, we empower studios to bring multiplayer experiences to life. Within the Group lie Multiplayer Wizards, whose sole responsibility is to help game studios to run and operate their game infrastructure seamlessly for the...

You will be the key link between clients, engineers, and the office team, ensuring every project is delivered to the highest standards of safety, efficiency, and quality.

You will also play a crucial part in shaping operations as the company grows, managing other project managers and contributing to long-term strategy.

You will be the key link between clients, engineers, and the office team, ensuring every project is delivered to the highest standards of safety, efficiency, and quality.

You will also play a crucial part in shaping operations as the company grows, managing other project managers and contributing to long-term strategy.

You will be both the hands-on technical lead and the architect of our future technology direction, guiding our software team while setting the foundations for a scalable product and engineering organisation. Working closely with our valuation specialists and product team, you will design solutions that fundamentally transform how valuation advisory services are delivered.

About Djaayz Co-founded by Cathy Guetta, Djaayz is a DJ booking platform built specifically for the hospitality industry: hotels, restaurants, bars, beach clubs, clubs, and corporate events. We streamline everything — DJ selection, booking, payments, invoicing, and scheduling — with a network of 13,000+ DJs across France and the UK. Djaayz already works with hospitality groups, premium...

About Revolut People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products — including spending, saving, investing, exchanging, travelling, and more — help our 65+ million customers get more from their money every day. As we continue our lightning-fast growth, 2 things are...

Want to take your sales career to the next level? Look no further than memoryBlue, the fastest-growing sales development company in B2B tech. With clear pathways to help you climb the ladder and plenty of opportunities for growth, we offer careers, not just jobs. In fact, we promoted 50 team members in just an 18-month timeframe. Want to take your sales career to the next level? Look no further...

Head Regulatory AI / Software as a Medical Device (SaMD) UK-based | Remote A high-growth healthcare Digital Health company with large-scale real-world deployments across the UK and US is hiring a Head of Regulatory to lead global regulatory and quality strategy. The Role You’ll own the global regulatory roadmap across UK, EU, US and emerging markets, combining strategic leadership with...

Senior Quality Engineer Medical Device Startup | £60M Raised Why This Role Matters This is a rare opportunity to join a high-growth medical device startup that has raised £60M from top-tier investors and is scaling rapidly towards global commercialisation. The company is building next-generation medical technologies that will meaningfully improve patient outcomes. As Senior Quality Engineer,...

Embedded Systems Engineer (Part-Time to Full-Time) – Optect Ltd Location: Remote (UK-based), onsite in Bath, or hybrid Hours: 0.5 FTE – 1.0 FTE Right to work in the UK required Optect is developing the next generation of long-range flame detection technology and deploying it into some of the most challenging environments on Earth. We are now looking for a motivated Embedded Systems Engineer...

**** LinkedIn applications will be ignored, please send your CV and a short cover letter to david@showmyai.ai **** Build the trust layer for AI in Higher Education ShowMyAI is building the infrastructure for AI transparency in universities - helping students, educators, employers, and regulators understand how AI is used, not just whether it was used. We’re looking for a Founding Engineer to...

Location: UK, Remote About The Role At Tego Group, we partner with travel platforms, OTAs and ticketing businesses to help them unlock new revenue while offering customers genuine booking flexibility. We’re hiring a Business Development Manager to help us originate, close and scale B2B partnerships across the UK and Europe. This is a hands-on, individual-contributor role designed for...

Senior Account Executive Payments & Risk (Fintech) UK-based (remote-first, with occasional London office use) Territory: Europe-led, global remit £90,000 base + uncapped commission + equity An early-stage, VC-backed fintech is building a next-generation platform using advanced analytics and AI to help payments businesses better understand and manage merchant risk. The business is small,...

Reports to: Technology Director / Executive Sponsor Location: Remote with occasional travel to London (2 times a month) Contract: Full-time, permanent Base Salary: £70,000 – £80,000 location and experience dependent + 10% company bonus scheme and sales commission scheme Why This Role Exists Serve Legal is entering a new chapter: evolving beyond compliance auditing into AI enabled,...

Paid Internships in China at Fortune 500 Companies - Full Support & Stipend Included What You'll Do: Join Go Abroad China's internship program in China and gain real-world experience at leading Fortune 500 companies, innovative startups, and multinational corporations in China. You'll work on meaningful projects in fields like Business, Engineering, IT, Marketing, Finance, and Hospitality while...

About Revolut People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products — including spending, saving, investing, exchanging, travelling, and more — help our 65+ million customers get more from their money every day. As we continue our lightning-fast growth, 2 things are...