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Poshmark3 days ago

Sr. Software Engineer Core Infrastructure

On-site · Redwood City, California, United States

Type
Full Time
Level
Senior Level
Education
Not Specified
Company size
Large

Job Summary

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 for horizontal scalability; resolve performance issues across all tiers; influence developer experience and engineering enablement; use AI as a force multiplier in day-to-day engineering; collaborate with DevOps, security, and SRE to bake compliance, performance, and reliability into the platform; mentor junior engineers and provide design feedback; demonstrate ability to plan medium-to-large projects with minimal supervision and drive architectural improvements across the system.

Required Qualifications

  • Bachelor's degree in Computer Science or related field OR equivalent practical experience (not required to be explicit unless stated)
  • 5+ years of professional software development experience preferred (implied by senior level, but explicit years not stated in posting)

Desired Qualifications

  • 4+ years experience building and operating back-end systems
  • experience debugging complex problems across an entire stack
  • distributed systems and large scale engineering challenges
  • familiar with NoSQL or SQL databases and experience scaling them
  • strong communicator who can articulate trade-offs and drive consensus across teams
  • experience with Ruby (JRuby), Java, Python, MongoDB, OpenSearch, Redis, RabbitMQ, containerization, and Unix-like environments
  • solid foundation in computer science with strong competencies in data structures, algorithms, and software design
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Poshmark

Sr. Software Engineer Core Infrastructure

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