Product Engineer (Fullstack)

Our client is a London-based AI startup that has recently secured Series B funding and is currently looking for a Senior or Staff Full Stack Product Engineer to join their growing engineering team.

The company is building innovative AI-driven products and is seeking strong builders and product thinkers who enjoy working end-to-end on features and seeing their work make a real impact on users. This role suits engineers who are comfortable with autonomy, ambiguity, and fast-paced, iterative product environments.

Skills and Requirements:

• Strong experience as a Full Stack Engineer at Senior or Staff level.
  · Proven experience building and shipping end-to-end product features.
  · Strong proficiency in TypeScript, Node.js, and React.js.
  · Experience working with relational databases such as PostgreSQL.
  · Familiarity with AWS and Infrastructure as Code tools (Terraform preferred).
  · Experience working in product-focused startups or fast-moving environments.
  · Interest and hands-on experience with AI tools and technologies.
  · Entrepreneurial mindset with a strong ownership mentality.
  · Strong collaboration and communication skills with both technical and non-technical stakeholders.

Role and Responsibilities:

• Develop user-facing features end-to-end, including agentic workflows and real-time collaboration functionality.
  · Prototype and test new ideas, contributing to zero-to-one product development.
  · Optimise applications for performance, scalability, and reliability.
  · Work closely with users to understand problems and design effective solutions.
  · Collaborate with engineers, product managers, and designers to deliver high-impact product features.
  · Build products from concept to MVP and iterate quickly based on user feedback.
  · Contribute to product direction through technical insight and experimentation.

Tech Stack:

• TypeScript, Node.js, React.js
  · Framer Motion, Tailwind, Radix (nice to have)
  · AWS and Terraform
  · PostgreSQL and relational databases

Benefits:

• Generous parental leave for all parents.
  · Private healthcare including mental health support.
  · Competitive pension contributions.
  · Annual learning and development budget.
  · Cycle to work scheme and gym contribution.
  · Daily team lunch.
  · Team retreats and international offsite work opportunities.
  · Life insurance and income protection.
  · Remote work flexibility for several weeks per year.

Equal Opportunity:

Cavendish (Recruitment) Professionals Ltd are proud to be an equal opportunity recruitment partner and believe inclusivity begins with the candidate experience. This client is committed to building a diverse, equitable, and inclusive team, and applications from all backgrounds are encouraged.

If you’re excited about the role but don’t meet every requirement, we still encourage you to apply. Great teams are built by people with different experiences, perspectives, and journeys.