Posh

Senior Software Engineer, Personalization

New York City · Senior

Sponsorship not specifiedDetected 134 days ago

TypeScriptPythonJavaFull-Stack DevelopmentAWSMachine LearningLLMsA/B TestingProblem SolvingMentoring

About the role

At Posh, you'll help shape our platform that brings people together through live events.
We're looking for someone who excels in both technical skills and leadership.
You'll tackle exciting projects that push our platform forward.

Lead the productionalization of personalization and classification algorithms.
Build with data and analytics in mind, to ensure continued accuracy and relevance of personalization, classification, and ranking algorithms.
Collaborate on architecture and technical decisions that influence the direction of the platform, ensuring scalability, performance, and user-focused improvements.
Build with data and analytics in mind, to ensure continued accuracy and relevance of personalization and classification algorithms.
Drive experimentation with MVPs, balancing rapid iteration with long-term sustainable growth and developer experience.
Ability to lead initiatives, mentor others, and communicate effectively across technical and non-technical teams.
Posh enables anyone to build an IRL community based on shared interests, while connecting consumers with the communities of people just like them.

Demonstrate full stack experience with specialization in backend or infrastructure while contributing to broader projects.
Design and maintain model-serving infrastructure, including APIs, batch pipelines, or streaming systems required to deploy ML models reliably.
5+ years of experience leading complex technical projects with significant business impact.
Proficiency in relevant technologies (IaC, AWS, Java, Python, Typescript), with experience in backend systems.
Experience with scalability, performance optimization, and building tools that support data-driven decision-making.

Experience working at consumer, social, or marketplace companies is a plus, as it speaks to our user-centric values at Posh.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

We are all social creatures, but the dominant "social" companies today have evolved into digital loneliness machines, driving isolation, anxiety, and mental health challenges around the world.

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.

This listing is sourced directly from Posh's careers page and normalized into a canonical job model.