AI & Emerging technologies

Senior Full Stack Software Engineer (AI SaaS)

Staffworx Limited

London · Greater London · United Kingdom

Overview

In this role you will build end-to-end features across frontend and backend in a small, autonomous squad, shipping from day one. You will share product management duties with designers and engineers, shaping solutions across product verticals. Expect high ownership, broad scope, and hands-on delivery in a product-led SaaS context. You will work with React, TypeScript, Node.js, and cloud services to solve real problems, while embracing a hybrid in-office pattern.

Pay / Benefits
  • base salary 80,000–100,000
  • 25 days paid holiday plus public holidays
  • top-tier private health, vision, and dental
  • enhanced parental leave: 16 weeks primary, 4 weeks secondary
  • MacBook and equipment setup
  • learning and development budget? (Learning and development budget)
Responsibilities
  • Build end-to-end features across Front End (React, TypeScript) and Back End (Node.js, Postgres, Redis, GCP) to production
  • Share product management responsibilities within the squad: understand the problem space, shape the solution, and drive delivery
  • Navigate the final stages of shipping, including gaining consensus and closing out open threads
  • Contribute to integration and platform work as the product evolves
  • Feed into architecture decisions and raise the engineering bar within the team
Key requirements
  • Strong JavaScript fundamentals
  • TypeScript and React experience
  • Full-stack capable at senior level
  • Experience with a mainstream cloud platform (GCP preferred; AWS or equivalent)
  • Proactive and self-directed: gains context fast, asks the right questions, and drives work to completion without handholding
  • Product-minded: applies engineering skill to real human problems
  • Track record of shipping end-to-end in a product-led SaaS or AI environment
  • Genuine commitment to the hybrid working model (Mon, Tue, Thu in-office)
  • proactive
  • self-directed
  • product-minded
  • React
  • TypeScript
  • Node.js

Reference: WJ-747_31206133 · Posted 01 Nov 2026, 12:14 PM

Find more on GigBlow

This role is listed on GigBlow for discovery and search. Hiring decisions and applications are handled by the employer or their chosen application system.

Full Stack jobs in other states

Browse jobs