Poshmark is the leading fashion marketplace where style comes alive through discovery, self-expression, and human connection. Powered by a vibrant community of 165 million members, Poshmark brings real people and taste to shopping through a social experience shaped by shared discovery. Buying and selling fashion feels simple, joyful, and personal, while every item tells its own story. Poshmark empowers sellers to grow meaningful businesses, keeps fashion in circulation longer, and gives shoppers access to unique and trusted finds, from everyday pieces to one-of-a-kind vintage and luxury.
The Core Infrastructure team drives developer experience, microservice development, and performance and reliability related initiatives. Developer experience covers anything that a team might need in order to build, release, run, and support software; for example, ensuring automated tests stay fast and stable. Poshmark's first platform was largely a monolith written in JRuby. Today that monolith is being broken up into smaller microservices written in Java, JRuby, and Python. The Core Infrastructure team develops the microservice frameworks and core libraries used by other teams.
Responsibilities:
Write high‑quality code in Ruby (JRuby), Java, and Python
Develop APIs, frameworks, libraries and services for use by other developers
Design and improve architecture in order to ensure horizontal scalability at all layers
Resolve issues related to performance at all tiers of the application
Help shape developer experience a.k.a. engineering enablement at Poshmark, including defining what best practices every team should be following
Use AI as a force multiplier in day-to-day engineering work
Closely partner with the DevOps, security, and SRE teams to bake compliance, performance, and reliability into the platform
6-Month Accomplishments:
Integrate into Team Posh. Focus on building out your working network and get connected with your immediate group, the wider engineering team and the cross-functional teams.
Learn some amazing technical skills. Get familiar with various parts of Poshmark's code base and infrastructure.
12+ Month Accomplishments:
Build domain expertise and ownership. Become technically knowledgeable in your assigned area of focus so you can support and grow that area.
Take control of your growth. Discuss your career aspirations and plan for your career growth with your manager.
Desired Skills:
Experience with any of: Ruby (JRuby), Java, Python, MongoDB, OpenSearch, Redis, RabbitMQ, containerization, and *nix environments
A solid foundation in computer science with strong competencies in data structures, algorithms, and software design
Skills Required
- 1+ years experience building and operating back-end systems
- Experience debugging complex problems across an entire stack
- Experience with distributed systems and large-scale engineering challenges
- Familiarity with NoSQL or SQL databases and experience scaling them
- Strong communication skills; able to articulate trade-offs and drive consensus
- Experience with Ruby (JRuby), Java, Python, MongoDB, OpenSearch, Redis, RabbitMQ, containerization, and *nix environments
- Solid foundation in data structures, algorithms, and software design
Poshmark Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Poshmark and has not been reviewed or approved by Poshmark.
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Healthcare Strength — Healthcare coverage is described as fully sponsored from date of hire, including medical, dental, and vision with strong dependent coverage. Mental-health support and additional options like disability, life, FSA, and pet insurance broaden the health offering.
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Leave & Time Off Breadth — Time-off provisions are described as robust, spanning accrued PTO, holidays and floating holidays, wellness days, bereavement, jury duty, and paid volunteer time. The breadth of leave types suggests strong coverage across common life events and recovery time.
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Wellbeing & Lifestyle Benefits — Lifestyle perks include a monthly stipend, fitness support, commuter benefits, meals/snacks, and home-office support for remote work. These benefits add ongoing quality-of-life value beyond base pay.
Poshmark Insights
What We Do
Poshmark is a leading social marketplace for new and secondhand style for women, men, kids, pets, home, and more. By combining the human connection of physical shopping with the scale, ease, and selection benefits of ecommerce, Poshmark makes buying and selling simple, social, and sustainable. Its community of more than 80 million registered users across the U.S., Canada, Australia, and India, is driving the future of commerce while promoting more sustainable consumption. Read more about Postmark's acquisition by Naver, Korea’s largest internet company, here: https://investors.poshmark.com/news/news-details/2022/Naver-to-Acquire-Poshmark/default.aspx
Why Work With Us
At Poshmark we are a team who Focus on People, Lead with Love, Grow Together & Embrace our Weirdness. We are a community based culture where you feel our core values internally and externally. Join our team and feel good about what you're doing and where you're going.
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