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.
Job Title: Sr. Software Engineer SRE/DevOps
Poshmark is seeking a highly skilled and collaborative Staff Software Engineer to join our Tools & Infra DevOps (SRE) team. In this role, you will help shape
and drive the platform that powers developer velocity, CI/CD workflows, and non-production infrastructure reliability at scale. You will lead key
initiatives improving automation, observability, and deployment efficiency — helping engineering teams deliver high-quality software with
confidence.
This is a high-impact role where you will influence architecture, mentor engineering teams, and define technical standards that elevate our
operational excellence across Poshmark.
Responsibilities:
Lead design and development of scalable CI/CD systems enabling efficient and reliable delivery for multiple engineering teams
Architect, automate, and optimize non-production infrastructure to improve developer productivity, reliability, and environment consistency
Implement enhanced observability and monitoring solutions to reduce MTTR and proactively improve system health
Drive DevEx improvements including remote dev environments, build optimizations, and automation workflows
Champion infrastructure-as-code standards (Terraform, Ansible, etc.) for repeatable and secure deployments
Collaborate with cross-functional stakeholders (Security, QA, Data Engineering, Platform teams) to align reliability and operational goals
Lead key explorations of emerging tools and technologies to evolve the platform (e.g., GitHub Actions, ArgoCD, service mesh, logging
modernization)
Mentor engineers on DevOps best practices, fostering strong engineering culture, quality, and ownership
Serve as an escalation point during production-like issues in non-prod environments to ensure rapid resolution
Influence roadmap prioritization with data-driven decision making
6-Month Accomplishments:
Deliver meaningful improvements in CI stability and runtime performance
Increase developer feedback velocity by reducing pipeline execution times
Strengthen observability capabilities across non-production environments
Provide architecture guidance and secure automation for key platform enhancements
12+ Month Accomplishments:
Mature the developer experience platform with measurable improvements in engineering throughput
Lead modernization of CI/CD tech stack with self-service capabilities
Drive multi-environment reliability initiatives leading to reduced incidents
Establish best practices and reusable frameworks adopted across teams
Requirements:
5–8+ years of experience in DevOps, SRE, or Infrastructure Engineering roles
7+ years engineering experience with majority focused on DevOps, SRE, or Platform Engineering
Strong Kubernetes expertise (workload orchestration and cluster-level debugging)
Proven experience architecting CI/CD systems at scale (Jenkins/GitHub Actions/Spinnaker)
Hands-on experience with automation tools: Terraform, Helm, Ansible, etc.
Solid understanding of distributed systems, monitoring, and operational excellence
Proficient in Python, Bash, Golang, or Ruby for automation
Strong leadership communication skills with ability to mentor and influence
Track record of driving impactful technical initiatives end-to-end
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