Mid-Level C++ Software Engineer

Mid-Level C++ Software Engineer – Remote

You’ll be working for an innovative ethical fintech start-up that’s looking for an 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

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