People, Person, Computer, Electronics, LCD Screen, Laptop, Pc


Software Engineer, Core InfrastructureRedwood City, California, United States

Software Engineer, Core Infrastructure

Redwood City | California | United States

With millions of shoppers and over a million sellers, Poshmark is the largest community marketplace for fashion where anyone can buy, sell, and share their personal style.

Poshmark is looking for a talented engineer who is excited about the challenge of building and scaling systems as we rapidly iterate on our product. You will be a member of the Core Infrastructure team that builds the backend of the Poshmark Cloud Platform, an infrastructure that spans hundreds of machines on AWS. You will have the opportunity to push the limits of cloud based technologies to power our explosive growth.

While familiarity with our stack is a plus, we care more about hiring people that can learn new technologies, and adapt quickly.


Build scalable, service-oriented infrastructure on AWS using the latest open source tools and technologies
Design and improve architecture in order to ensure horizontal scalability at all layers
Implement APIs and services for use by other developers
Resolve issues related to performance at all tiers of the application
Protect user accounts and data by implementing security best practices
Develop best practices and tools to enable robust delivery of features
Desired Skills

2+ years with infrastructure, back-end experience
You have worked on and/or understand distributed systems, and large scale engineering challenges
Solid foundation in computer science with strong competencies in data structures, algorithms, and software design
Understanding of multithreading, concurrency, and parallel processing technologies
Skilled with databases (NoSQL in particular)
Familiarity with frameworks for caching, queuing, RPC, and distributed data storage
Experience with cloud computing platforms, such as Amazon Web Services (AWS)
Experience with any or all of: JRuby, Java, Ruby, MongoDB, Elasticsearch, AMQP, Redis, and Linux/Unix environments
Understanding of search engine internals, and expertise with Lucene/Elasticsearch is a plus
BS, MS or PhD in Computer Science or related discipline

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