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[Remote] Principal Software Engineer (Ai)

Work from home Full-time role Hiring

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

  • At LT Harper we specialise in cyber security, artificial intelligence, legal tech and tech transformation recruitment. It was founded in 2017, and is headquartered in London, England, GBR, with a workforce of 11-50 employees. Its website is https://ltharper.com.
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