Principal Software Engineer - VC Backed Startups
SignalFire San Francisco, United StatesPrincipal Software Engineer - VC Backed Startups
Join SignalFire's Talent Network for Principal Software Engineer Roles at VC-Backed Startups
This is not an application for a specific job. Instead, this is a way to get on the radar of VC-backed startups that are actively hiring Engineering talent. If you have any questions, please direct inquiries to talentnetwork@signalfire.com.
At
SignalFire , we partner with
top early-stage startups that are shaping the future of technology. Our portfolio spans 200+ innovative companies across AI, cybersecurity, healthtech, fintech, developer tools, and enterprise SaaS.
We're 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.
Who Should Join?
We're looking for engineers who are:
✔ Passionate about
architecting scalable, high-performance full stack applications ✔ Excited to
lead technical decision-making and mentor engineering teams ✔ Experienced in
designing end-to-end systems, from modern front-end UIs to robust back-end services
Typical Roles & 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
Common Qualifications
While each startup has its own hiring criteria, many
principal full stack engineering roles in our network look for:
- 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
Technologies You Might Work With:
- Languages & Frameworks: JavaScript, TypeScript, Python, Ruby, Golang, Java, React, Angular, Vue.js, Svelte, Node.js, Django, Flask, Ruby on Rails, FastAPI
- Databases: PostgreSQL, MySQL, MongoDB, DynamoDB, Redis
- Cloud & DevOps: AWS (Lambda, EC2, S3, RDS), GCP (App Engine, Firestore), Azure, Docker, Kubernetes, Terraform, Jenkins, GitHub Actions
- Other Tools: GraphQL, REST APIs, WebSockets, Kafka, RabbitMQ, Elasticsearch
What Happens Next?
- Submit your application to join SignalFire's Talent Ecosystem.
- We review applications on an ongoing basis to identify strong candidates.
- If there's a match, a SignalFire talent partner or a leader from one of our startups may reach out directly.
- No match yet? We'll keep your profile on file for future full stack engineering roles in our portfolio.
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It is advisable to always verify job offers directly with the hiring company.