• Monitor and resolve application and customer issues in production • Support the automation of recurring issues and issues that need manual intervention • Identify and implement process improvement to reduce time to resolve support tickets • Create dashboards and solutions to pro-actively identify issues • Reduce human errors, increase quality and security through automation • Troubleshoot alerts and escalated issues • Engage in and improve services from deployment, operation, through refinement • Maintain production environments by measuring and monitoring availability, latency, and overall system health • Scale systems sustainably through automation • Evolve systems by pushing for changes that improve reliability • Practice sustainable incident response and disaster recovery exercises • Create and improve documentation and runbooks

• Ensure automation of deployments, configuration management, containerization, release management, monitoring, lifecycle support (pipelines), information and documentation services. • Opportunity to research and grow state-of-the-art automation solutions. • Designs, develops, tests and implements infrastructure for CI/CD pipelines and IaC. • Manages source code, configuration management, release management, build and deployment activities. • Setups and manages integration with partner applications. • Conducts of performance analyses and tunings as well as error analyses and troubleshooting. • Consults and implements new innovative technologies to satisfy innovation strategy. • Creates concepts for further automation of services, processes and/or operating models. • Directly support the project teams in the development, quality assurance accompanying development as well as planning and implementation of product releases. • Continuously optimizes the development and system infrastructure. • Provides consulting to project teams on areas of expertise also Prototypes/Proof of Concept solutions. • Researches and develops in assigned technology, determines business requirements, proposes changes and prepares implementation plans.

Title: Software Engineer, SRE Location: Redwood City, California, USA Department: Technology Hybrid We are looking for a Software Engineer with a product-first mindset to help us accelerate the journey from "idea" to "live feature." In this role, you won't just be writing code; you will be an integral part of the product development lifecycle, working to build features that scale. You believe that great software isn't finished until it’s providing value to our community.   6-Month Accomplishments - Onboard & Contribute: Rapidly familiarize yourself with the Poshmark tech stack and functional requirements. - Feature Shipping: Get comfortable with our automation tools and deployment processes to start pushing code to production. - Team Integration: Gain in-depth knowledge of product functionality and start contributing to small-to-medium feature sets. - Quality Support: Understand the on-call and bug-fix process to support the health of the features you build. 12+ Month Accomplishments - Feature Ownership: Execute projects related to core product functionality with guidance from Sr. team members - Operational Excellence: Create meaningful dashboards to monitor the performance and user impact of the features you’ve launched. - Continuous Improvement: Identify gaps in the current product architecture and suggest improvements to enhance user experience or performance. - Mentorship & Growth: Fully participate in the engineering rotation and begin contributing to architectural discussions.   Responsibilities - Feature Delivery: Act as a key contributor to the development, rollout, and deployment of new product features. - Full-Cycle Development: Work closely with development and product teams from early design stages through to resolving production issues. - Agile Mindset: Function effectively in a fast-paced, rapidly changing environment where rapid iteration is the norm. - Systems Thinking: Ensure that every feature is designed with "operability" in mind, making it easy to monitor and support.   Desired Skills - Experience: 0–4 years of experience in a Software Engineering role, ideally within a fast-growing startup. - Technical Foundation: Exposure to large-scale web operations and a solid understanding of UNIX-based environments. - Problem Solver: Experience scripting, coding, and using a wide variety of open-source technologies to solve complex problems. - Deployment Savvy: Familiarity with continuous integration tools like Jenkins and configuration management tools like Ansible is a major plus.   Technologies we use: - Languages/Servers: Ruby, JavaScript, Node.js, Tomcat, Nginx, HAProxy. - Data & Messaging: MongoDB, RabbitMQ, Redis, ElasticSearch. - Infrastructure: AWS (EC2, RDS, CloudFront, S3), Kubernetes, Docker. Note: 1) Poshmark is currently unable to provide visa sponsorship for this position. 2) This is a hybrid position based out of our Redwood City, CA.

• Dive deep into transforming our IaC to support cross region resilient AWS infrastructure. • Develop and maintain Infrastructure as Code (Terraform), ensuring reusable modules, environment consistency, and automated provisioning of AWS infrastructure. • Operate and support Kubernetes (EKS) platforms, including cluster lifecycle management, workload deployment, scaling, and container runtime best practices. • Design, implement, and operate standardized CI/CD platforms using GitHub Actions and GitOps tooling (ArgoCD), supporting multi-environment deployments, rollback, and automation. • Implement GitOps deployment patterns and declarative configuration management. • Partner with engineering teams to integrate deployment standards into the application lifecycle. • Produce and maintain documentation and usage standards. • Provide technical mentorship and guidance on DevOps tooling and practices. • Participate in on-call rotation as required.