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Job Description

Product Engineer (Full Stack) – AI SaaS Startup - London (SE1) - £50k to £65k

Avanti Recruitment is working with a high-growth London-based SaaS startup building an AI-driven platform used by commercial teams to manage and close complex deals.

They’re looking for a Product Engineer who genuinely cares about what gets built, how it works, and the impact it has on users.

Why this role stands out

This is a proper product engineering environment Engineers own features end-to-end You’ll work directly with product and design You’re encouraged to challenge ideas and shape solutions Fast iteration, real user feedback, and visible impact

The team is small, collaborative, and high-energy. It’s a genuinely strong culture; social, supportive, and full of personality without being forced. Most people come into the office 2–3 days a week because they want to, not because they have to.

You’ll be working closely with an experienced and highly approachable Director of Engineering who’s big on autonomy, trust, and building a team people actually enjoy being part of.

There’s a big push into AI and automation, including:

Integrating GenAI into product workflows Exploring LLM and RAG-based features Using AI to improve both user experience and internal processes

They’re looking for someone who wants to grow with the business long-term.

Tech stack

Next.js / React / TypeScript Node.js AWS Modern API-driven architecture

If you’re looking for a role where you can own what you build, work on genuinely interesting AI-driven features, and be part of a team that actually enjoys working together, this will be a great opportunity.

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.