# Senior Growth Engineer

**Company:** [Posh](https://hotfix.jobs/companies/posh)
**Location:** New York, NY
**Role:** Fullstack Engineering
**Salary:** $175k – $200k/yr
**Experience:** 5+ years
**Skills:** React, React Native, TypeScript, AWS, A/B Testing, experimentation frameworks, growth strategies, full stack development
**Posted:** 2026-07-31

> Senior Growth Engineer building full-stack features and experiments on a two-sided IRL community marketplace to drive user acquisition, retention, and engagement. Requires 5+ years leading impactful technical projects, strong full-stack skills (React, React Native, TypeScript, AWS), and expertise in metrics-driven growth and experimentation.

## Job Description

## Key Responsibilities
- Develop and execute full-stack engineering features and growth experiments across our two-sided marketplace to increase user acquisition, retention, and engagement.
- Collaborate with Product, UXR, and Data to turn early hypotheses into iterative high-impact tests.
- Take a data-oriented approach to everything you build, integrating scalable tracking systems to provide actionable insights to cross-functional stakeholders that empower the broader product roadmap.
- Conduct code reviews and contribute to knowledge-sharing initiatives within the Engineering Team, fostering a culture of growth and collaboration.
- Implement feature gating, A/B testing or experiments via experimentation platforms (e.g., StatSig, LaunchDarkly).

## Requirements
- 5+ years of experience leading complex technical projects with significant business impact.
- Proficiency in relevant full-stack technologies (e.g., React, React Native, Typescript, AWS or similar cloud providers, etc.), with experience in either mobile app development or backend systems.
- Strong problem-solving skills and a passion for creating products that connect people in the real world.
- Strong knowledge of product metrics, funnels, and user lifecycle stages.
- Ability to lead initiatives, mentor others, and communicate effectively across technical and non-technical teams.
- Strong understanding of growth strategies, experimentation frameworks, and metrics-driven decision-making.

## Nice-to-Haves
- Experience working at fast-paced early stage consumer, social, and/or marketplace companies.
- Links to your GitHub profile or a portfolio of past projects.

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**Apply:** https://hotfix.jobs/jobs/2ff3003e-fbb7-4462-82cd-a8c8c58ff9cc
**Canonical:** https://hotfix.jobs/jobs/2ff3003e-fbb7-4462-82cd-a8c8c58ff9cc