Senior Software Engineer, Site Reliability

Redwood City, CA

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Posted 3 weeks ago

We’re looking for a Senior SRE Engineer, Platform and Commerce to fill the mission-critical role of ensuring that our complex, web-scale systems are healthy, monitored, automated, and designed to scale. You will use your background as an operations generalist to work closely with our development teams from the early stages of design all the way through identifying and resolving production issues. The ideal candidate will be passionate about an operations role that involves deep knowledge of both the application and the product, and will also believe that automation is a key component to operating large-scale systems.


  • Design, build and maintain infrastructure stack that allows Poshmark to scale and support millions of users.
  • Working closely with product and dev teams to ensure that we ship software that meets security, availability, and performance requirements.
  • Codify our infrastructure with automation tools like Ansible, Terraform, and Kubernetes.
  • Make monitoring more proactive than reactive.
  • Automating work including infrastructure builds, testing, failover solutions, failure mitigation.
  • Be part of an on-call rotation.
  • Debugging complex problems across an entire stack.
  • Writing, updating, and using the documentation, including incident runbooks/playbooks


6-Month Accomplishments

  • Familiarize with Poshmark tech stack and functional requirements. 
  • Get comfortable with automation tools/frameworks and deployment processes 
  • within Cloud Ops/SRE organization.
  • Gain in-depth knowledge related to product functionality and infrastructure.
  • Start Contributing by working on small to medium scale projects.
  • Be part of our 12x on-call support team.


12+ Month Accomplishments

  • Working with developers on understanding the system impact for the newly developed features.
  • Create meaningful alerts and dashboards for various sub-systems.
  • Identify gaps in infrastructure and work on improving them.
  • Focus on setting up reliability goals for your product functions by working closely with product and dev teams.



  • 5+ years of experience designing, building and operating large-scale production systems
  • Experience with automation tools like Terraform, Ansible etc.
  • Experience working with Cloud - preferably AWS. 
  • Strong Programming skills - Python and/or Ruby.
  • Experience debugging complex problems.
  • Have experience with MongoDB, Redis, HAProxy, ElasticSearch, Docker, Kubernetes, or similar technologies.
  • Ability to think about edge cases, failure modes, and recovery of the systems.
  • Experience with monitoring and observability tools such as with Datadog, New Relic, and Prometheus.
  • Share our values and work in accordance with those values.

Why Poshmark?

Poshmark is a leading social commerce platform for the next generation of retailers and shoppers. Through technology, our mission is to build the world’s most connected shopping experience, while empowering people to build thriving retail businesses. Since launching in 2011, Poshmark has become a vibrant social shopping community with seven million Seller Stylists helping 60 million users discover items they love from over 100 million listings. The company is backed by the world’s leading investment firms including Mayfield, Menlo Ventures, GGV Capital, Temasek, Inventus Capital, Uncork Capital, Union Grove Venture Partners, Shea Ventures and AngelList. For more information, please visit, or find us on Instagram, Facebook, Twitter, Pinterest and YouTube

About Us:

At Poshmark, we’re constantly challenging the status quo and are looking for innovative and passionate people to help shape the future of Poshmark. We’re disrupting the industry by combining social connections with e-commerce through data-driven solutions and the latest technology to optimize our platform. We’re nothing without our amazing team who deliver an unparalleled social shopping experience to the millions of people we connect each day.

We built Poshmark around four core values: 1) focus on people to create empowered communities that drive success; 2) together we grow to support each other to strive for our dreams; 3) lead with love to foster genuine connections built upon a foundation of respect; and 4) embrace your weirdness to accept and empower one another on their own unique journey. We’re invested in our team and community, working together to build an entirely new way to shop. That way, when we win, we all win together. Come help us build the most connected shopping experience ever.

Here’s what we’ll set you up with:

  • A team that is invested in your career growth and training
  • Competitive salary and equity, based on experience
  • Company sponsors up to 100% cost for your health, dental and vision plans and up to 90% for your dependents
  • Work alongside world-class talent
  • Flexible vacation / paid time off policy
  • Parental leave
  • Personal style encouraged (or not, whatever you’re in to)

Poshmark is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.


Job tags: Ansible AWS Docker Elasticsearch Kubernetes MongoDB Prometheus Python Redis Ruby Terraform