Senior FullStack Engineer

We're a fintech company redefining consumer lending in the UK and beyond, using advanced AI and Open Banking data to make fair, affordable personal finance available to more people. We're looking for a Senior FullStack Engineer to join our team.

Requirements

• Seven or more years of professional experience in software engineering
• Strong proficiency in Python, including writing well-structured async code, type hints, and unit tests
• Experience building backend services using frameworks such as FastAPI
• Strong SQL skills with experience working with relational databases such as PostgreSQL or MySQL
• Experience designing and maintaining RESTful APIs
• Experience building or maintaining automation and integrations that support financial or operational workflows
• Experience working with message queues or background job systems
• Proficiency with Git and collaborative development workflows
• Experience working with containerised environments such as Docker and CI/CD pipelines
• Basic knowledge of cloud infrastructure, with hands-on experience in at least one of AWS, GCP, or Azure
• Comfortable collaborating directly with business stakeholders to understand requirements and translate them into practical technical solutions
• Comfortable working in fast-paced environments where accuracy, reliability, and clear communication are essential
• Experience maintaining codebases for business-critical systems
• Practical interest in applying AI tools and LLM-based capabilities to real product or operational problems
• Experience integrating third-party AI APIs or building AI-assisted internal tools is a strong plus
• Ability to evaluate where AI adds value, and where conventional software or workflow automation is the better solution
• Knowledge of lending products and lending operations is a major advantage
• Awareness of financial concepts, accounting flows, or reconciliation processes is a plus

Benefits

• Everyone owns a piece of the company - equity
• Hybrid with 3 days a week in the office
• 25 days’ holiday a year, plus 8 bank holidays
• 2 paid volunteering days per year
• One month paid sabbatical after 4 years
• Employee loan
• Free gym membership
• Team wellness budget to be active together