Principal Software Engineer - VC Backed Startups

SignalFireSan Francisco, CA

About The Position

Join SignalFire’s Talent Network for Principal Software Engineer Roles at VC-Backed Startups. This is not an application for a specific job, but a way to get on the radar of VC-backed startups that are actively hiring Engineering talent. SignalFire partners with top early-stage startups across AI, cybersecurity, healthtech, fintech, developer tools, and enterprise SaaS. We are looking to connect with exceptional Principal Front-End, Back-End, and Full Stack Engineers who are excited about driving technical strategy, shaping architecture, and building scalable full stack applications at high-growth startups. By joining SignalFire’s Talent Network, your profile will be shared with our portfolio companies, giving you visibility into exclusive early-stage opportunities that may not be publicly listed.

Requirements

  • 8+ years of experience in full stack development, with a strong record of technical leadership
  • Expertise in front-end frameworks (React, Angular, Vue.js, Svelte) and back-end frameworks (Node.js, Django, Flask, Ruby on Rails, FastAPI)
  • Strong experience with databases (PostgreSQL, MySQL, MongoDB, DynamoDB, Redis)
  • Proficiency in cloud platforms (AWS, GCP, Azure) and containerization tools (Docker, Kubernetes)
  • Experience with distributed systems, high-availability architectures, and event-driven designs
  • Proficiency in JavaScript, TypeScript, Python, Ruby, Go, or Java
  • Strong background in CI/CD, DevOps, and infrastructure-as-code tools
  • Experience in mentoring engineers and leading large-scale technical projects

Responsibilities

  • Define and drive technical architecture, best practices, and full stack development strategy
  • Design, build, and maintain scalable, high-performance applications across the front-end and back-end
  • Develop APIs, microservices, and cloud-native solutions to support large-scale applications
  • Optimize performance, security, and reliability across the application stack
  • Work closely with founders, product managers, and engineering teams to align business and technology goals
  • Establish and lead code review, testing, and deployment best practices
  • Mentor and guide senior engineers, fostering a strong engineering culture
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