51 to 57 of 57 Full-Stack Development Jobs in Hertfordshire

Founded by Paul Anthony, creator and co-founder of Primer (Series B, $425M valuation), Colossal is building at the intersection of generative app development and commerce infrastructure. Think: Lovable for commerce, but for non-developers. We're backed by Tier 1 investors: Seedcamp, 10x Founders, Connect Ventures … effectively through documentation, talks, demos and presentations A current understanding of AI-based tools, methods and paradigms Familiar with "app store" paradigms and development frameworks (bonus if in commerce), and know what good looks like from a developer experience standpoint What you'll do Build and own core ...

world-class founding team to bring this vision to life. The Role — Founding Mobile & AI Engineer: We're searching for a founding full-stack/mobile engineer who wants to build a category-defining AI product from the ground up. You will be responsible for taking … scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What you will help shape: Product roadmap & feature prioritisation Engineering ...

world-class founding team to bring this vision to life. The Role — Founding Mobile & AI Engineer: We're searching for a founding full-stack/mobile engineer who wants to build a category-defining AI product from the ground up. You will be responsible for taking … scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast, and help create something users genuinely love. What you will help shape: Product roadmap & feature prioritisation Engineering ...

Legal AI platform from prototype to production-ready architecture. Build core platform features using graph-orchestrated workflows and knowledge graph infrastructure. Develop full-stack components that integrate AI, LLMs and graph-based reasoning directly into legal workflows. Define engineering standards, tooling and processes suitable for secure … entire stack. Required Skills and Experience Experience as a Staff Software Engineer or Senior Engineer performing at Staff-level ownership. Strong full-stack engineering skills with modern frameworks and cloud-native platforms. Experience building Legal AI, LegalTech, document intelligence or AI-enabled products. Familiarity with knowledge ...

Product Manager – AI-Native B2B SaaS (Remote UK/Europe) We're hiring a Product Manager to play a pivotal role in taking an AI-native B2B SaaS product from beta into public launch. This ...

Product Manager – AI-Native B2B SaaS (Remote UK/Europe) We're hiring a Product Manager to play a pivotal role in taking an AI-native B2B SaaS product from beta into public launch. This ...

Outside IR35 2-month with likelihood of extension Remote: UK/Europe The Role You will lead the end-to-end development of the first AI beta for a brand-new greenfield product designed for architecture students and professionals. This AI will analyse floor plans and diagrams, interpret … models Background in computer vision, spatial reasoning models or architectural/technical drawing datasets Ability to contribute to or eventually build the full-stack product Prior startup or founding engineer experience Why Join/Projects: You'll be joining at the ground floor of a brand ...