Salary: £55,000 - 55,000 per year Requirements: Deep hands-on experience building Python-based services, ideally in a microservices architecture Strong focus on performance, scalability, and maintainability Experience designing and developing new APIs Knowledge in maintaining and improving existing services Ability to fix complex bugs and propose robust engineering solutions for web and mobile applications Experience working in an agile, iterative environment Familiarity with tools such as Python, AWS services (Lambda, DynamoDB, S3, API Gateway), Docker, Jira, GitHub, GitHub Actions, CircleCI, PyCharm, Grafana, Postman Responsibilities: Design and write high-quality Python code for scalable, secure, and high-performance systems Collaborate within a product-focused engineering team to shape and deliver cloud-native services Act as a technical mentor, guiding and coaching team engineers Foster a culture of continual learning and technical excellence Work end-to-end across the software development lifecycle including solution design and architecture Participate in development, deployment, and optimization within a modern AWS-based environment Potentially participate in on-call working on a rota basis (24/7) Technologies: API AWS Lambda Cloud Docker GitHub Grafana JIRA Mobile Python Web microservices Support Office 365 Postman Security More: We are a dynamic software company established in 2006, focused on helping the energy and utilities sectors improve customer experience while lowering their cost to serve through smarter process automation. We offer a uniquely inclusive and diverse workplace that empowers our employees to showcase their extraordinary talents. Our comprehensive benefits package includes a bonus scheme, career progression opportunities, 25 days annual leave, a pension scheme with employer contributions, and access to a fully equipped onsite gym. We also provide health care benefits, death-in-service coverage, and an Employee Assistance Programme, among various employee engagement initiatives. Our offices are located within commuting distance of Oxford, allowing for a hybrid work environment. last updated 11 week of 2026