Salary: £50,000 - 50,000 per year Requirements: 3 years professional development experience with strong backend expertise Solid Laravel experience (service container, Eloquent, queues) Strong MySQL knowledge and query optimisation skills Genuine interest in AI/ML, with experience integrating AI APIs (OpenAI or similar a plus) Working knowledge of React and TypeScript Experience writing automated tests Confident with Git workflows and pull requests Comfortable with (or willing to learn) Docker-based environments Clear written communication skills Experience with model training, fine-tuning, or ML frameworks (Python, PyTorch, scikit-learn) is a plus Experience building and deploying ML data pipelines is a plus AWS experience (ECS, S3, RDS, Elastic Beanstalk) is a plus Familiarity with Redis and queue-based architectures is a plus Experience with third-party API integrations (Stripe, Twilio, SendGrid) is a plus Familiarity with CI/CD pipelines (e.g. GitHub Actions) is a plus Exposure to fintech, debt collection, or regulated industries is a plus Responsibilities: Building and owning backend features in Laravel (services, jobs, controllers, Eloquent models) Developing AI-powered functionality, including automated responses, predictive analytics, and risk scoring Integrating with OpenAI APIs and exploring in-house model training and fine-tuning Creating data pipelines to support ML workflows, from preparation to deployment and monitoring Writing and maintaining APIs for our React/TypeScript frontend Contributing to frontend development in React when needed Writing unit and feature tests (PHPUnit, occasional Dusk) Managing MySQL databases, migrations, and query optimisation Building and maintaining background processing with Horizon and Redis Participating in code reviews and maintaining quality standards (PSR-12, PHPStan, Pint) Working with Docker (Laravel Sail) and contributing to CI/CD deployments Collaborating via GitHub PRs Technologies: AI API AWS Backend Beanstalk CI/CD Docker Frontend Git GitHub Support Laravel MySQL PHPUnit PyTorch Python React Redis TypeScript Cloud CloudWatch Machine Learning PLC Zendesk Fullstack More: We are Debt Register, a fast-growing, award-winning FinTech committed to transforming how global businesses recover payments. Our company is focused on developing a game-changing SaaS platform, currently gaining traction across the UK, Europe, and North America. This Full Stack Developer role, based at our Epsom HQ with flexible home working, offers a competitive salary of £50,000 plus benefits. We promote a culture of informality, flexibility, work-life balance, and personal growth, making it an exciting opportunity for those eager to make a real impact. last updated 7 week of 2026