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 isnt just a buzzword, but the core engine of the product? Join Crooton to help us build our AI-powered recruitment intelligence platform.
Do not pass up this chance, apply quickly if your experience and skills match what is in the following description.
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 isnt 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, TypeScript, 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 at scale.
The Package: £55k£65k DOE performance-related bonus and a hybrid working model in Peterborough.
Ready to apply? xjlbheb 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) GitHub profile.
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