Principal Software Engineer - VC Backed Startups

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

At SignalFire, we are reimagining venture capital by treating it like a technology company. Since our founding in 2013, our mission has been to empower founders by leveraging advanced data analytics, bringing them unprecedented insights and operational support throughout their journey. The cornerstone of our strategy is our proprietary AI platform, Beacon, which tracks more than 600 million employees and 80 million companies, enabling us to identify opportunities and deliver tailored support to our portfolio companies. SignalFire focuses on sectors ranging from AI/ML, healthcare, fintech, to consumer goods, helping startups navigate the intricacies of early-stage funding and growth. We pride ourselves on our dedicated in-house team, which includes data scientists, engineers, and advisors who work closely with our founders to provide hands-on assistance tailored to their unique needs. By combining deep sector expertise with advanced technology, we are committed to building lasting partnerships with the companies we invest in, ensuring they have the best chance at success in a competitive landscape.