Senior Software Engineer, Growth

Posh•New York, NY

3d•Onsite

About The Position

At POSH, you'll help shape a platform that brings people together through social experiences. Your work will directly impact how event organizers create experiences and how attendees discover and enjoy them. We're looking for someone who excels in both technical skills and data. As a Growth Engineer at Posh, you will be critical in driving user acquisition, engagement, and retention through innovative and data-driven strategies. As a Growth Engineer, you will be 1 of 2 dedicated technical leaders on our Growth Team, working alongside the Engineering and Product teams to spearhead experimentation and drive impact through fast-paced, innovative projects. This is an in-person role based in our New York City office in the heart of SoHo. Building live experiences and building with soul are important for our customers, and we believe being and working together as a team is the best way for Posh to feel and achieve this. Events on Posh should be fun, alive, and driven with passion and we want to mirror this in our teams every day!

Requirements

5+ years of experience leading complex technical projects with significant business impact
Strong hands-on experience with iOS and Android mobile development processes, including build and release workflows and relevant mobile frameworks
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 understanding of growth strategies, experimentation frameworks, and metrics-driven decision-making
Strong problem-solving skills and a passion for creating products that connect people in the real world
Experience with A/B testing frameworks or experimentation platforms (e.g., StatSig, LaunchDarkly).
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.
A passion & curiosity for growth and improvement, coupled with the drive to explore innovative approaches that elevate user experiences and product success.

Nice To Haves

Experience working at fast-paced early stage consumer, social, and/or marketplace companies

Responsibilities

Develop and execute full-stack growth experiments and targeted initiatives across the Posh platform to enhance user acquisition, retention, and engagement.
Drive experimentation with MVPs, balancing rapid iteration with long-term sustainable growth and developer experience.
Collaborate with Product & 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.

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