Principal Software Engineer - VC Backed Startups

Posted Yesterday
Be an Early Applicant
Hiring Remotely in Preference Estates, MD, USA
In-Office or Remote
170K-270K Annually
Senior level
Angel or VC Firm • Artificial Intelligence • Information Technology • Software
The Role
Join a talent network connecting principal front-end, back-end, and full-stack engineers with VC-backed startups. Drive technical strategy and architecture, build scalable applications, design APIs and cloud-native microservices, optimize performance/security/reliability, lead code review and CI/CD practices, and mentor engineering teams while aligning technology with business goals.
Summary Generated by Built In
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 [email protected].

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?
  1. Submit your application to join SignalFire’s Talent Ecosystem.

  2. We review applications on an ongoing basis to identify strong candidates.

  3. If there’s a match, a SignalFire talent partner or a leader from one of our startups may reach out directly.

  4. No match yet? We’ll keep your profile on file for future full stack engineering roles in our portfolio.

Skills Required

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

SignalFire Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about SignalFire and has not been reviewed or approved by SignalFire.

  • Healthcare Strength Benefit details indicate employer-paid comprehensive medical, dental, vision, and long-term disability for employees and dependents. Feedback suggests this level of coverage is a standout strength for a small venture firm.
  • Leave & Time Off Breadth Policy language highlights unlimited or flexible paid time off across job postings. Feedback suggests this supports work-life balance when paired with collaborative norms.
  • Parental & Family Support Listings include dedicated fertility benefits in certain roles. Feedback suggests targeted family-building support enhances the overall package for those prioritizing these benefits.

SignalFire Insights

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The Company
HQ: San Francisco, CA
97 Employees
Year Founded: 2012

What We Do

SignalFire is the first venture capital firm built like a technology company to better solve for the needs of founders. The core of its value-add is Beacon, the AI engine SignalFire has been refining since the firm's launch in 2013. Beacon tracks more than 600 million employees and 80 million companies to guide the fund’s investing and assist portfolio companies with scaling their teams and revenue. SignalFire also helps early-stage founders navigate the toughest parts of building a company at every stage, with expert advisors, 100 skill-building workshops a year, and an in-house team of recruiters, data scientists, PR experts, and go-to-market leaders. With over $2.1 billion in assets under management, SignalFire focuses on investing from seed to scale. The firm’s key sectors include AI/ML, developer tools, B2B SaaS, healthcare, cybersecurity, and consumer. https://www.signalfire.com/disclosures

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