Job Title

Senior Full Stack Engineer | AI-Recruitment SaaS (React & Python)Location: Peterborough / HybridSalary: £55,000 £65,000 + BonusTech: React (TS), Python (FastAPI), Google Vertex AI, Postgres, GCPBuild the Future of AI-Driven RecruitmentAre 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 StackYoull 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 DoingEnd-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 AreWe 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?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.GENJBRP1_UKTJ