Note: The job is a remote job and is open to candidates in USA. LT Harper Recruitment Group is a fast-growing technology company that's rebuilding the infrastructure underpinning global financial markets. They are seeking a Principal Software Engineer who will design and deliver production systems while shaping the next generation of AI-assisted software engineering.

Responsibilities

• In this is a very hands-on role, you’ll design, build and maintain highly available backend services and distributed systems
• Own technical solutions from initial design through production deployment
• Solve complex performance, scalability and reliability challenges
• Use modern AI development tools to accelerate coding, testing, debugging and refactoring
• Improve engineering productivity through automation, CI/CD and AI-assisted workflows
• Collaborate with senior engineers to deliver high-impact features at scale
• Help raise engineering standards through code reviews and technical leadership

Skills

• A proven track record of building and operating large-scale production systems
• Strong experience building backend platforms, APIs and distributed systems
• Production experience with AWS and cloud-native architectures
• Deep knowledge of PostgreSQL and database performance optimization
• Experience building secure, resilient systems in production environments
• Strong understanding of CI/CD, automated testing and production support
• Experience integrating AI into daily engineering workflow, using coding assistants and autonomous development tools

Benefits

• Remote First with occasional office visit (NCY / Texas)
• + Stock Optio ns

Company Overview