Mid-Level C++ Software Engineer – Remote

Overview

You will join an innovative ethical fintech startup to own and ship features and APIs. You’ll build and scale cloud-based services across C++, Python, and TypeScript, with a strong emphasis on AI-assisted development and AWS. In this role you work with cross-functional teams to deliver robust, secure software that fuels the product. You’ll contribute to core services, tooling, and client-facing applications while enjoying autonomy and remote collaboration. This is an opportunity to influence product direction in a fast-growing fintech environment.

Pay / Benefits

• 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

Responsibilities

• Develop and maintain C++ services with AWS integration
• Build Python microservices and tooling
• Develop React/TypeScript applications
• Utilize AWS, Docker, CI/CD and Infrastructure as Code
• Support deployment and scaling of AI/ML services
• Write high-quality, tested, and secure code

Key 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

• remote work readiness
• independence/self-motivation
• cross-functional collaboration (implied)
• C++
• Python
• TypeScript

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