Principal Software Engineer

SignalFire

Principal software engineer shaping architecture and scalable full stack applications for SignalFire’s VC-backed startup portfolio. Leading technical strategy, cloud-native development, reliability, and engineering mentorship.

Posted 8/5/2026full-timeNew York City • New York • 🇺🇸 United StatesLead💰 $170,000 - $270,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive expertise in full stack development, technical leadership, and architecture design, with a strong focus on building scalable applications and optimizing performance across the application stack. Proficient in mentoring engineers and implementing best practices in code review, testing, and deployment.

Highest-signal resume keywords

Full Stack DevelopmentTechnical LeadershipFront-End FrameworksBack-End FrameworksCloud Proficiency

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Full Stack DevelopmentReactAngularNode.jsDjangoPostgreSQLAWSDockerJavaScriptCI/CD

Soft Skills

MentoringCollaborationLeadership

Tools & Technologies

KubernetesGCPAzureMicroservicesEvent-Driven Design

Industry Keywords

Scalable ApplicationsHigh-Availability ArchitecturesInfrastructure-as-CodeDistributed SystemsEngineering Culture

Tech Stack

Tools & technologies

AngularAWSAzureCloudDistributed SystemsDjangoDockerDynamoDBFlaskGoGoogle Cloud PlatformJavaJavaScriptKubernetesMicroservicesMongoDBMySQLNode.jsPostgresPythonReactRedisRubyRuby on RailsSvelteTypeScriptVue.js

About the role

Key responsibilities & impact

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 for large-scale applications
Optimize performance, security, and reliability across the application stack
Collaborate 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 and foster a strong engineering culture
Join SignalFire’s Talent Network so the profile can be shared with portfolio companies
Engage with SignalFire talent partners or startup leaders if a suitable match arises

Requirements

What you’ll need

8+ years of experience in full stack development with a strong record of technical leadership
Expertise in front-end frameworks such as React, Angular, Vue.js, or Svelte
Expertise in back-end frameworks such as Node.js, Django, Flask, Ruby on Rails, or FastAPI
Strong experience with PostgreSQL, MySQL, MongoDB, DynamoDB, or Redis
Proficiency in AWS, GCP, or Azure
Proficiency in Docker and 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 mentoring engineers and leading large-scale technical projects

Benefits

Comp & perks

Offers Equity
Access to exclusive early-stage opportunities through SignalFire’s portfolio companies
Profile kept on file for future full stack engineering roles