Principal Software Engineer

Rockstar

full-time

Posted on: 3/3/2026

Location Type: Hybrid

Location: New York City • New York • United States

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About the role

Own and lead the design, development, and deployment of major product features across the AI-driven lead management stack.
Make key technical decisions on architecture, infrastructure, and scaling.
Drive rapid iteration and experimentation: ship fast, learn fast, and iterate.
Collaborate directly with founders to shape product direction and technical strategy.
Debug and solve problems across the stack, no "not my job" mentality.
Set the engineering bar: code quality, testing, reviews, and best practices.
Build and manage strong working relationships with technical counterparts. Mentor and share knowledge with peers, creating a positive atmosphere amongst the team.
Conduct code reviews and provide constructive feedback while quickly actioning feedback from code reviews conducted of your code.
Influence decision-making through presentation of data-centric business topics.

9+ years experience as a software engineer building and shipping production quality code
Experience with open source languages such as Python and TypeScript
Experience with writing and shipping reliable, scalable, and efficient code, with an emphasis on long-term maintainability, in partnership with all appropriate reviewers, in manageable pieces with relevant documentation and test plans
Experience with software design and architecture
Experience with AI coding tools like Cursor and Claude Code
Role is flexible/hybrid
Fluency in English is required

Benefits

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

PythonTypeScriptsoftware designsoftware architecturescalable codeefficient codeAI coding toolscode qualitytestingcode reviews

Soft Skills

leadershipcollaborationmentoringproblem-solvingcommunicationiterationfeedbackrelationship managementdata presentationpositive atmosphere