{"id":40955,"url":"https://alion.io/job/signalfire-principal-software-engineer-vc-backed-startups","title":"Principal Software Engineer - VC Backed Startups","company":{"id":8867,"name":"SignalFire","domain":"signalfire.com","url":"https://alion.io/company/signalfire","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":true,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":170000,"max":270000,"currency":"USD","period":"year","gross":null,"usd_annual":270000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon EC2","optional":false},{"name":"Amazon S3","optional":false},{"name":"Angular","optional":false},{"name":"Apache Kafka","optional":false},{"name":"AWS","optional":false},{"name":"AWS Lambda","optional":false},{"name":"Azure","optional":false},{"name":"CI/CD","optional":false},{"name":"Django","optional":false},{"name":"Docker","optional":false},{"name":"DynamoDB","optional":false},{"name":"ElasticSearch","optional":false},{"name":"FastAPI","optional":false},{"name":"Firestore","optional":false},{"name":"Flask","optional":false},{"name":"GCP","optional":false},{"name":"GitHub","optional":false},{"name":"GitHub Actions","optional":false},{"name":"Go","optional":false},{"name":"GraphQL","optional":false},{"name":"JavaScript","optional":false},{"name":"Jenkins","optional":false},{"name":"Kubernetes","optional":false},{"name":"MySQL","optional":false},{"name":"Node JS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"RabbitMQ","optional":false},{"name":"React.js","optional":false},{"name":"Redis","optional":false},{"name":"Rest API","optional":false},{"name":"Ruby","optional":false},{"name":"Ruby on Rails","optional":false},{"name":"Svelte","optional":false},{"name":"Terraform","optional":false},{"name":"TypeScript","optional":false},{"name":"Vue.js","optional":false},{"name":"WebSockets","optional":false}],"status":"live","first_seen_at":"2026-08-05T07:55:33Z","employer_posted_date":"2026-08-05","last_verified_at":"2026-10-24T00:25:06Z","board_verified":true,"closed_at":null,"days_open":79,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":79},"description":"Join SignalFire’s Talent Network for Principal Software Engineer Roles at VC-Backed Startups\nThis 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 .\nAt 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.\nWe’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.\nWho Should Join?\nWe’re looking for engineers who are:\nPassionate about architecting scalable, high-performance full stack applications\n Excited to lead technical decision-making and mentor engineering teams\n Experienced in designing end-to-end systems, from modern front-end UIs to robust back-end services\nTypical Roles & Responsibilities\nDefine and drive technical architecture, best practices, and full stack development strategy\n\nDesign, build, and maintain scalable, high-performance applications across the front-end and back-end\n\nDevelop APIs, microservices, and cloud-native solutions to support large-scale applications\n\nOptimize performance, security, and reliability across the application stack\n\nWork closely with founders, product managers, and engineering teams to align business and technology goals\n\nEstablish and lead code review, testing, and deployment best practices\n\nMentor and guide senior engineers, fostering a strong engineering culture\n\nCommon Qualifications\nWhile each startup has its own hiring criteria, many principal full stack engineering roles in our network look for:\n8+ years of experience in full stack development, with a strong record of technical leadership\n\nExpertise in front-end frameworks (React, Angular, Vue.js, Svelte) and back-end frameworks (Node.js, Django, Flask, Ruby on Rails, FastAPI)\n\nStrong experience with databases (PostgreSQL, MySQL, MongoDB, DynamoDB, Redis)\n\nProficiency in cloud platforms (AWS, GCP, Azure) and containerization tools (Docker, Kubernetes)\n\nExperience with distributed systems, high-availability architectures, and event-driven designs\n\nProficiency in JavaScript, TypeScript, Python, Ruby, Go, or Java\n\nStrong background in CI/CD, DevOps, and infrastructure-as-code tools\n\nExperience in mentoring engineers and leading large-scale technical projects\n\n Technologies You Might Work With:\nLanguages & Frameworks: JavaScript, TypeScript, Python, Ruby, Golang, Java, React, Angular, Vue.js, Svelte, Node.js, Django, Flask, Ruby on Rails, FastAPI\n\nDatabases: PostgreSQL, MySQL, MongoDB, DynamoDB, Redis\n\nCloud & DevOps: AWS (Lambda, EC2, S3, RDS), GCP (App Engine, Firestore), Azure, Docker, Kubernetes, Terraform, Jenkins, GitHub Actions\n\nOther Tools: GraphQL, REST APIs, WebSockets, Kafka, RabbitMQ, Elasticsearch\n\n What Happens Next?\nSubmit your application to join SignalFire’s Talent Ecosystem.\n\nWe review applications on an ongoing basis to identify strong candidates.\n\nIf there’s a match, a SignalFire talent partner or a leader from one of our startups may reach out directly.\n\nNo match yet? 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