Senior Full Stack Engineer
<p><b>Salary: £55,000 - 55,000 per year</b></p>
<b>Requirements:</b>
<ul><li>Strong experience with modern React (Hooks, Composition) and building data-heavy interfaces</li><li>Proficient in Python, particularly with FastAPI and Pydantic</li><li>Familiarity with async APIs and strong typing/validation</li><li>Understanding of testing principles, including the Testing Pyramid (Pytest, Vitest, Cypress)</li><li>Excellent problem-solving skills and a focus on user experience</li><li>Experience with CI/CD, Docker, and cloud environments (GCP)</li><li>Knowledge of PostgreSQL and Redis is a plus</li><li>Ability to design and implement high-performance UI components</li><li></li></ul>
<b>Responsibilities:</b>
<ul><li>Build and ship full-stack features, including AI analysis visualisations and advanced workflows</li><li>Design complex React components ensuring optimal performance under heavy data loads</li><li>Enhance AI integration through improved candidate scoring and bias reduction</li><li>Scale architecture by extending FastAPI services with a focus on performance and validation</li><li>Collaborate closely with the leadership team and provide input on technical roadmap</li><li>Advocate for testing and ensure code quality throughout development</li><li>Tackle real-world problems with meaningful ownership of projects</li><li></li></ul>
<b>Technologies:</b>
<ul><li>AI</li><li>CI/CD</li><li>Cloud</li><li>Cypress</li><li>Docker</li><li>FastAPI</li><li>GCP</li><li>PostgreSQL</li><li>Python</li><li>React</li><li>Redis</li><li>pytest</li><li>UX UI Design</li><li>Backend</li><li>CSS</li><li>Frontend</li><li>GitHub</li><li>LLM</li><li>Security</li><li>TypeScript</li><li>Fullstack</li></ul>
<p><b>More:</b></p>
<p>At Crooton, we are on a mission to build an AI-powered recruitment intelligence platform that transforms high-volume hiring. We offer a modern tech stack with no legacy issues, allowing our team to innovate without constraints. Our AI-first culture means that we leverage AI to enhance our development processes. You will be part of a small, senior team where your contributions make a real impact. We provide a competitive salary range of £55,000 - £65,000 depending on experience, performance-related bonuses, and a hybrid working model based in Peterborough.</p>
<p>last updated 8 week of 2026</p>
<b>Requirements:</b>
<ul><li>Strong experience with modern React (Hooks, Composition) and building data-heavy interfaces</li><li>Proficient in Python, particularly with FastAPI and Pydantic</li><li>Familiarity with async APIs and strong typing/validation</li><li>Understanding of testing principles, including the Testing Pyramid (Pytest, Vitest, Cypress)</li><li>Excellent problem-solving skills and a focus on user experience</li><li>Experience with CI/CD, Docker, and cloud environments (GCP)</li><li>Knowledge of PostgreSQL and Redis is a plus</li><li>Ability to design and implement high-performance UI components</li><li></li></ul>
<b>Responsibilities:</b>
<ul><li>Build and ship full-stack features, including AI analysis visualisations and advanced workflows</li><li>Design complex React components ensuring optimal performance under heavy data loads</li><li>Enhance AI integration through improved candidate scoring and bias reduction</li><li>Scale architecture by extending FastAPI services with a focus on performance and validation</li><li>Collaborate closely with the leadership team and provide input on technical roadmap</li><li>Advocate for testing and ensure code quality throughout development</li><li>Tackle real-world problems with meaningful ownership of projects</li><li></li></ul>
<b>Technologies:</b>
<ul><li>AI</li><li>CI/CD</li><li>Cloud</li><li>Cypress</li><li>Docker</li><li>FastAPI</li><li>GCP</li><li>PostgreSQL</li><li>Python</li><li>React</li><li>Redis</li><li>pytest</li><li>UX UI Design</li><li>Backend</li><li>CSS</li><li>Frontend</li><li>GitHub</li><li>LLM</li><li>Security</li><li>TypeScript</li><li>Fullstack</li></ul>
<p><b>More:</b></p>
<p>At Crooton, we are on a mission to build an AI-powered recruitment intelligence platform that transforms high-volume hiring. We offer a modern tech stack with no legacy issues, allowing our team to innovate without constraints. Our AI-first culture means that we leverage AI to enhance our development processes. You will be part of a small, senior team where your contributions make a real impact. We provide a competitive salary range of £55,000 - £65,000 depending on experience, performance-related bonuses, and a hybrid working model based in Peterborough.</p>
<p>last updated 8 week of 2026</p>