Mid-Level C++ Software Engineer – Remote You’ll be working for an innovative ethical fintech start-up that’s looking for a Mid-Level C++ Software Engineer to join their growing engineering team. You’ll take ownership of new features and APIs and have plenty of autonomy to help build their product. You’ll work across modern C++, Python with some TypeScript, AWS and AI-assisted development, building and improving cloud-based applications and services. Key Responsibilities * Develop and maintain C++ services, including AWS * Build Python microservices and tooling * Develop React / TypeScript applications * Work with AWS, Docker, CI/CD and Infrastructure as Code * Support the deployment and scaling of AI / ML services * Write high-quality, tested and secure code Requirements * Strong commercial C++ experience * Professional experience with Python and ideally TypeScript * Experience with AWS/cloud platforms * Knowledge of REST APIs, microservices and CMake * Strong Git, testing and Linux/CLI skills * Experience with Cursor and/or Claude Code * Comfortable working remotely and independently Desirable: Open Banking, fintech/payments, React, OAuth2/OIDC or DynamoDB experience. What's on Offer? * £50k - £65k base salary * Fully remote UK role * Flexible working hours * 25 days holiday + public holidays * Pension scheme * Home office allowance * Team meet-ups a few times a year Location: Based in Wales / England UK work authorisation required Are you a C++ Software Engineering looking for your next step? Apply now for immediate consideration and interview