Senior Full Stack Engineer

Location: Weston

Senior Full Stack Engineer | AI-Recruitment SaaS (React & Python)

Location:

Peterborough / Hybrid Salary: £55,000 £ 65,000  Bonus Tech:
React (TS), Python (FastAPI), Google Vertex AI, Postgres, GCP Build the Future of AI-Driven Recruitment Are you a Senior Engineer who thrives on "greenfield" projects? Do you want to work on a platform where AI isn't just a buzzword, but the core engine of the product? Join Crooton to help us build our AI-powered recruitment intelligence platform. We are solving the biggest headache in high-volume hiring: processing thousands of applications with speed, fairness, and intelligence, as well as saving time and money.

This isn't a legacy rescue mission. Youll be joining a small, senior team to write modern, well-structured code and shape the technical roadmap of a platform thats already making an impact. The Tech Stack Youll be working with:
Frontend:
React, Type Script, Vite, Tailwind CSS, Zustand. Backend:
Python 3.10 (FastAPI), Postgres, Redis. AI/Infrastructure:
Google Vertex AI, GCP (Cloud Run), Docker, CI/CD. What Youll Be Doing End-to-End Ownership:
Building and shipping full-stack features, from AI analysis visualisations (Chart.js) to advanced workflows. High-Performance UI:
Designing complex React components and ensuring our "Command Centre" remains lightning-fast under heavy data loads (AG Grid). AI Integration:
Refining LLM prompting logic and CV parsing to improve candidate scoring and bias reduction. Scaling Architecture:
Extending our FastAPI services with a focus on strong typing, validation, and async performance. Who You Are We are looking for a "Product Engineer"someone who cares as much about the user experience as they do about the underlying architecture. Frontend Expert:
You have deep experience with modern React (Hooks, Composition) and building data-heavy interfaces. Python Pro:
You are comfortable building and maintaining async APIs (FastAPI/Pydantic). Testing Advocate:
You believe in the "Testing Pyramid" (Pytest, Vitest, Cypress). Problem Solver:
You enjoy solving ambiguous, real-world problems and want meaningful ownership rather than just "clearing tickets." Why Join crooton? No Legacy Drag:
Work on a modern stack with no inherited technical debt. AI-First Culture:
We use AI to accelerate our own development and iteration. Senior

Collaboration:

Work closely with our Leadership Team in an environment that values clean architecture and good engineering judgment. Real Impact:
As part of a small team, you will see your work used immediately by organisations hiring  Package: £55k £65k DOE  performance-related bonus and a hybrid working model in Peterborough. Ready to apply? If youre a clear communicator who cares about code quality and security, we want to hear from you. Apply today with your CV and (optional) Git Hub profile.