Posh Properties

Senior Software Engineer, Personalization

Posh Properties

full-time

Posted on:

Location Type: Hybrid

Location: New York City • New York • 🇺🇸 United States

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Salary

💰 $175,000 - $190,000 per year

Job Level

Senior

Tech Stack

AWSJavaPythonTypeScript

About the role

  • Lead the productionalization of personalization and classification algorithms.
  • Translate experimental outputs (from AWS Sagemaker/Personalize) into production-ready systems, ensuring efficiency and reproducibility.
  • Demonstrate full stack experience with specialization in backend or infrastructure while contributing to broader projects.
  • Collaborate on architecture and technical decisions that influence the direction of the platform, ensuring scalability, performance, and user-focused improvements.
  • Design and maintain model-serving infrastructure, including APIs, batch pipelines, or streaming systems required to deploy ML models reliably.
  • Build with data and analytics in mind, to ensure continued accuracy and relevance of personalization and classification algorithms.
  • Focus on performance optimization and system reliability, especially as our user base grows.
  • Drive experimentation with MVPs, balancing rapid iteration with long-term sustainable growth and developer experience.
  • Provide mentorship to engineers, fostering a culture of growth and collaboration.

Requirements

  • 5+ years of experience leading complex technical projects with significant business impact.
  • Experience integrating LLM or ML outputs into core product features.
  • Possesses strong specialization in backend or infrastructure systems while maintaining broad knowledge of the full stack.
  • 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.
  • Strong problem-solving skills and a passion for creating products that connect people in the real world.
  • Ability to lead initiatives, mentor others, and communicate effectively across technical and non-technical teams.
  • Experience working at consumer, social, or marketplace companies is a plus, as it speaks to our user-centric values at Posh.
Benefits
  • Health,Dental and Vision Insurance
  • Equinox Membership
  • Unlimited PTO
  • Team Events, Dinners, & Offsites, Free Event Tickets to Dope Shows
  • New MacBook
  • Daily Uber Eats Credit
  • Relocation bonuses are available for some out-of-state candidates.**

Applicant Tracking System Keywords

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

Hard skills
personalization algorithmsclassification algorithmsfull stack developmentbackend systemsinfrastructure systemsmodel-serving infrastructureAPIsbatch pipelinesstreaming systemsperformance optimization
Soft skills
leadershipmentorshipproblem-solvingcollaborationcommunication