51 Best integration developer Jobs in Surbiton (March 2026)

Full Stack Laravel Developer - Fintech SaaS Game Changer

19 days ago

Epsom

Step Into a Career-Defining Role with One of Fintech’s Rising Stars As we continue to grow, we’re looking for a Full Stack Developer who thrives on owning features from concept to deployment, bringing strong backend expertise and a keen interest in AI and machine learning integration. You will be joining a high-impact, award-winning team and take your career to new heights with a game-changing SaaS platform already making waves across the UK, Europe, and North America. This isn’t just a development role - you’ll have a genuine voice in shaping the product, the architecture, and the direction of the company. At Debt Register, we’re not just transforming the way global businesses recover payments. The Role at a Glance: Full Stack Developer (Mid Level) Epsom, Surrey HQ - Flexible Home Working £50,000 Plus Benefits Full time, Permanent Awards: Fintech Winners at the CICM British Credit Awards 2023, Credit & Collections FinTech Supplier Award 2023 Clients: Verizon, Informa plc, Zoopla, Rentokil, Haymarket, SSE, Zendesk, Johnson Controls, ADT and More… Culture: Informality and Flexibility, Work-Life Balance, Wellbeing, Personal Growth and Trust Your Skills: Laravel (Backend Development). React & TypeScript. Fintech SaaS. AI / OpenAI API Integration. MySQL & API Development. Docker & CI/CD. Who we are: We are Debt Register. We power a financial tool that solves a problem for the majority of B2B Global companies irrespective of size, with a working monetisable model and a path to Global scale. Having recently launched our MVP, we are currently working with new clients to elicit feedback and improve the usability to support scalable growth. The Full Stack Developer Role: You’ll be working across our Laravel and React stack, with most of your time spent on the backend, building services, designing database schemas, writing jobs and queues, and working with APIs. Frontend work comes up, and you should be comfortable enough with React and TypeScript to contribute, but backend is the focus. A growing part of this role involves building and expanding our AI capabilities, from integrating with OpenAI’s APIs to exploring in-house model training and fine-tuning. You’ll help shape how we use AI to improve collection rates, automate communications, and build predictive analytics. Your 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 and Monday. com About you: • 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 Nice to have: • Experience with model training, fine-tuning, or ML frameworks (Python, PyTorch, scikit-learn), • Building and deploying ML data pipelines, • AWS experience (ECS, S3, RDS, Elastic Beanstalk), • Redis and queue-based architectures, • Third-party API integrations (Stripe, Twilio, SendGrid), • CI/CD pipelines (e.g. GitHub Actions), • SaaS or multi-tenant platform experience, • Exposure to fintech, debt collection, or regulated industries How we work: • User stories are managed on Monday. com, • Code quality is enforced through automated testing, PHPStan static analysis, and Laravel Pint formatting, • CI/CD pipeline with automated deployments, • CloudWatch for monitoring What we offer: • 25 days holiday + your birthday off (if it falls during the working week), • Flexible working — office is in Epsom, Surrey, but home working is entirely your call, • Personal growth budget — memberships to Audible, Spotify, or anything else that helps you grow personally, • 40 hours per week — we respect your time, • Autonomy and trust — you’ll be self-motivated and free-speaking, and we’ll give you the space to do your best work This is a rare opportunity to join a fast-growing, award-winning FinTech at a pivotal stage - post-MVP, scaling with enterprise clients, and building the foundations for global growth. Interested? Apply here for a fast-track path to the Hiring Manager Application notice... We take your privacy seriously. When you apply, we shall process your details and pass your application to our client for review for this vacancy only. As you might expect we may contact you by email, text or telephone. Your data is processed on the basis of our legitimate interests in fulfilling the recruitment process. Please refer to our Data Privacy Policy & Notice on our website for further details. If you have any pre-application questions please contact us first quoting the job title & ref. Good luck, Team RR.

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