Software Engineer, SRE

Position: Staff Software Engineer, SRE
About Poshmark

Poshmark is a leading fashion resale marketplace powered by a vibrant, highly engaged community of buyers and sellers and real‑time social experiences. Designed to make online selling fun, more social and easier than ever, Poshmark empowers its sellers to turn their closet into a thriving business and share their style with the world. Since its founding in 2011, Poshmark has grown its community to over 130 million users and generated over $10 billion in GMV, helping sellers realize billions in earnings, delighting buyers with deals and one‑of‑a‑kind items, and building a more sustainable future for fashion.

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 Dev Ex 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., Git Hub Actions, ArgoCD, service mesh, logging modernization)

• Mentor engineers on Dev Ops 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 Dev Ops, SRE, or Infrastructure Engineering roles

• 7+ years engineering experience with majority focused on Dev Ops, SRE, or Platform Engineering

• Strong Kubernetes expertise (workload orchestration and cluster‑level debugging)

• Proven experience architecting CI/CD systems at scale (Jenkins/Git Hub 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

Seniority level

• Mid‑Senior level

Employment type

• Full‑time

Job function

• Engineering and Information Technology

Industries

• Retail Apparel and Fashion

#JLjbffr