Senior Python Software Engineer

We're looking for an experienced Senior Python Engineer to join our engineering team. In this role, you'll work closely with colleagues in the Finance function to design and deliver automation that supports core financial operations. You'll translate business requirements into reliable, maintainable systems that improve accuracy and efficiency across key workflows.

The position calls for someone who combines strong technical judgment with an interest in understanding how the business runs. You'll be trusted to scope and implement changes independently, manage expectations with stakeholders, and ensure every improvement is built to last. Your work will form part of the backbone that keeps our financial processes running smoothly and at scale.

We value engineers who take ownership, enjoy solving complex problems, and bring clarity to ambiguous requirements. You'll thrive here if you're motivated by building systems that make real business impact, can communicate clearly with non-technical partners, and take pride in well-designed, high-quality code.

At Abound, you'll be part of a culture that values autonomy, curiosity, and continuous improvement. You'll work with a modern Python-based stack, gain deep exposure to how financial operations function in a fast-growing lending business, and have the space to deliver meaningful technical change in partnership with experienced stakeholders.

Our technology stack: Python (including FastAPI, OpenTelemetry, procrastinate, SQLAlchemy, Uvicorn), Postgres, MySQL, Liquibase, Retool, Docker, AWS, * Design and develop new Python features and services that automate and support core financial operations, such as payments, reconciliations, and reporting.

• Participate in the full software development lifecycle - from design and implementation to testing, deployment, and monitoring.

• Own a part of the platform, and be responsible for the smooth operation of associated business processes, and their KPIs.

• Collaborate closely with colleagues in Product and Design as well as users (both internal and external) to understand, challenge, and refine requirements

• Provide second-line support within business hours, helping to troubleshoot and resolve any system issues that impact our customers

• Supporting junior engineers through PRs and pairing

• Apply strong SQL skills to troubleshoot and improve the performance of data management and retrieval across our Postgres databases What we offer

• 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 - set up a yoga class, a tennis lesson or go bouldering

• Seven or more years professional experience in software engineering
• Experience collaborating directly with business stakeholders to gather requirements and translate them into technical solutions
• Experience building or maintaining automation and integrations supporting financial or operational workflows
• Comfort working in fast-paced environments where accuracy, reliability, and clear communication are essential
• Proficiency in writing well-structured async Python code with type hints and unit tests
• Experience maintaining codebases for business-critical systems
• Proficiency in Git for version control
• Basic knowledge of cloud infrastructure with experience working with at least one of AWS, GCP, or Azure
• Strong SQL skills for efficient data management and retrieval
• Knowledge of lending products and business processes will be a major advantage
• Awareness of financial concepts, accounting flows, or reconciliation processes is a plus

We're on a mission to make affordable loans available to more people. Using the power of Open Banking, we have built state-of-the-art technology that allows us to look beyond traditional credit scores and offer fairer credit to people ignored by traditional lenders. We have two parts of our business. On the consumer side, we have Abound. Abound has proven that our approach works at scale, with over £800 million lent to-date. While other lenders only look at your credit score, we use Open Banking to look at the full picture - what you earn, how you spend, and what's left at the end. On the B2B side, we have Render. Render is our award-winning software-as-a-service platform that allows Abound to make better, less risky lending decisions. And less risky decisions mean we can offer customers better rates than they can usually find elsewhere. We're taking Render global so that more companies, from high-street banks to other fintechs, can offer affordable credit to their customers.