YLD.io is a software engineering and product design consultancy serving global enterprises across media, fintech, energy, and transportation. The firm works with clients including Trainline, Condé Nast, The Economist, and GoDaddy on mission-critical digital capabilities, from scaling EV charging infrastructure for net-zero emissions to building AI-powered video platforms and modernizing rail distribution systems.
The consultancy operates from offices in London, Lisbon, and Porto, with a remote-first approach spanning the UK and Europe. Its 51-200 professionals work across Node.js, React, Kubernetes, and emerging technologies, with deep expertise in product design and cloud infrastructure. Engineers maintain thousands of open-source contributions and actively nurture technical communities, including ReactJS Girls and Design Systems London.
YLD.io emphasizes knowledge transfer and sustainable outcomes, structuring engagements to leave clients with strengthened capabilities rather than dependency. The firm originated from a small team of JavaScript engineers and builds its practice around collaborative problem-solving and progressive learning cultures, positioning itself on practical innovation across sustainability, AI, transport, and financial services.
