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[Remote] Senior Full Stack Engineer (backend leaning)

Remote, USA Full-time Posted 2026-06-22

Note: The job is a remote job and is open to candidates in USA. G2i Inc. is an early-stage, venture-backed fintech startup focused on expanding access to financial tools for those historically excluded from the traditional credit system. They are seeking a Senior Full Stack Engineer who will own backend systems and infrastructure, build APIs and services, and implement scalable architectures using AWS and Node.

Responsibilities

  • Own backend systems and infrastructure end-to-end, from design through deployment and scaling
  • Build performant, reliable APIs and services that power core financial products
  • Design and implement scalable architectures on AWS using Node (TypeScript)
  • Make pragmatic tradeoffs between speed, reliability, scalability, and maintainability
  • Ship production code frequently while maintaining high quality standards
  • Help establish technical patterns and best practices for the engineering team
  • Interface effectively with product engineers and other stakeholders

Skills

  • Bachelor's degree in Computer Science or a related technical field
  • 5+ years of professional software engineering experience, with a significant backend focus
  • Experience building and scaling production systems with Node and AWS
  • Proficiency with TypeScript strongly preferred
  • Track record of delivering reliable, performant systems at scale
  • Systems-oriented mindset with a deep focus on performance, reliability, and scalability
  • Strong sense of ownership and accountability for system outcomes
  • Comfortable thinking critically about architectural decisions and their long-term implications
  • Thrives in ambiguity and can make sound technical decisions with incomplete information
  • Self-starter who can work independently and drive projects to completion
  • Embraces AI-assisted development to accelerate output while maintaining high code quality

Benefits

  • Equity

Company Overview

  • G2I is an AI engineering company that helps the world's leading frontier labs, enterprises, and high-growth startups hire, train, and ship AI systems. It was founded in 2016, and is headquartered in Delray Beach, Florida, USA, with a workforce of 201-500 employees. Its website is https://www.g2i.co.
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