Poshmark

Sr. Software Engineer Core Infrastructure

Poshmark • $120K — $160K *
Redwood City, CA 94061In-Person
Information Technology
Less than 5 years of experience
Today
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Job Overview by Ladders

Qualifications

  • 4+ years experience in building and operating scalable back-end systems
  • Strong debugging skills across full technology stacks
  • Understanding of distributed systems and large-scale engineering challenges
  • Familiarity with NoSQL or SQL databases, with scaling experience
  • Excellent communication skills to articulate technical trade-offs
  • Experience with Ruby (JRuby), Java, Python, and associated technologies
  • Solid computer science foundation in data structures, algorithms, and software design

Responsibilities

  • Write high-quality code in Ruby (JRuby), Java, and Python
  • Develop APIs, frameworks, libraries, and services for developer use
  • Design and enhance architecture for horizontal scalability
  • Resolve performance issues across all application tiers
  • Shape developer experience and define engineering best practices
  • Leverage AI to improve engineering productivity
  • Collaborate with DevOps, security, and SRE teams to integrate compliance and performance

Benefits

  • Opportunities for professional development and mentorship
  • Exposure to cutting-edge technologies and frameworks
  • Collaboration with cross-functional teams
  • Engaging in meaningful projects that impact the company
  • Flexible work environment promoting work-life balance
Full Job Description
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:
  • Able to plan medium complexity projects with no supervision
  • Provides meaningful design feedback and code reviews to peers
  • Actively mentors junior engineers, guiding them through complex technical tasks and fostering their career development


12+ Month Accomplishments:
  • Able to find technical solutions to large complexity problems with minimal supervision
  • Able to identify architectural gaps and propose solutions
  • Have rolled out a high impact project to production


Desired Skills:
  • 4+ years experience building and operating back-end systems
  • You have experience debugging complex problems across an entire stack
  • You have worked on and/or understand distributed systems and large scale engineering challenges
  • You are familiar with either NoSQL or SQL databases and have experience scaling them
  • You are a strong communicator who can articulate trade-offs and drive consensus across teams
  • 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

About Poshmark

Poshmark is an online marketplace that allows users to buy and sell new and used clothing, shoes, and accessories. The company was founded in 2011 and is headquartered in Redwood City, California. Poshmark's platform is designed to make it easy for users to buy and sell items, with features like in-app payments, shipping labels, and seller ratings. Poshmark has raised over $150 million in funding and has been recognized as one of the fastest-growing companies in the United States.
Learn more about Poshmark
Size
600 employees
Market Cap
$1.4 billion
Industry
Retail & Consumer Goods
Net Income
$6.1 million
Founded
2011
Revenue
$262 million
NASDAQ
POSH
* Ladders Estimates

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