Senior Application Engineer

Senior Application Engineer

Cambridge or London (Hybrid)

Permanent

£65k to £95k DOE

Consultant

Mike Walton

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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.

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