Poshmark

Full-stack Engineer

• Monitor, analyze, and triage security events and alerts across distributed systems to identify potential incidents and anomalous behavior
• Lead end-to-end incident response, including investigation, containment, eradication, and recovery, with an emphasis on scalable and repeatable processes
• Perform deep-dive root cause analysis of sophisticated attacks spanning infrastructure, network, and application layers, including code-level vulnerabilities
• Design, build, and maintain automation frameworks to improve detection and response efficiency (e.g., auto-remediation, alert enrichment pipelines)
• Develop and maintain detection logic (rules, queries, behavioral analytics) using engineering best practices such as version control, testing, and CI/CD
• Create and continuously improve incident response playbooks as modular, reusable, and programmatic workflows
• Fine-tune alerting systems to reduce noise and false positives through data analysis, feedback loops, and algorithmic improvements
• Collaborate closely with SRE, DevOps, IT and engineering teams to remediate vulnerabilities and improve system security and reliability
• Engineer and enhance SIEM capabilities, including log ingestion pipelines, normalization, correlation rules, and integrations
• Implement and scale security monitoring solutions across cloud-native and distributed environments
• Conduct proactive threat hunting using data-driven and hypothesis-based approaches
• Enrich and correlate telemetry using IOCs, threat intelligence feeds, and custom-built data pipelines
• Contribute to SOC tooling and internal platforms by writing clean, maintainable, and efficient code
• Participate in architecture and design discussions to embed security into systems from the ground up
• Drive and contribute to broader security engineering and SOC modernization projects

Software Engineer – SOC

• Build, maintain, and iterate on Poshmark’s iOS application with a focus on usability and performance.
• Work closely with senior engineers, product managers, and designers to implement medium-complexity features.
• Participate in code reviews, share feedback, and contribute to team learning.
• Write maintainable, testable code and ensure reliability through unit tests and quality checks.
• Provide constructive input on product specs and collaborate cross-functionally to move projects forward.
• Take initiative to improve parts of the codebase, style guides, or processes with guidance from senior peers.
• Mentor newer team members informally by sharing knowledge and assisting with onboarding or best practices.
• Familiarize with Poshmark’s iOS ecosystem, tools, and workflows.

Software Engineer II, iOS

Product Manager

• Own and improve key growth funnels across the user lifecycle, with an initial focus on new user onboarding and early activation for buyers and sellers
• Identify and prioritize high-impact growth opportunities using quantitative analysis, user research, and experimentation
• Lead a high-velocity experimentation program across onboarding, discovery, engagement, and retention surfaces
• Design and analyze experiments with strong statistical rigor, and translate results into clear product decisions and roadmap direction
• Conduct and synthesize user research to understand motivations, behaviors, and drop-off drivers across the funnel
• Apply principles of customer psychology, habit formation, and behavioral economics to inform product design and optimization
• Define and maintain core growth metrics, dashboards, and KPI frameworks to ensure visibility and alignment across teams
• Partner closely with design, engineering, data, and marketing to deliver high-quality, scalable growth initiatives
• Communicate strategy, insights, and trade-offs clearly to senior leadership with a focus on business impact
• Communicate roadmap strategy, experiment results, and investment trade-offs to senior leadership with precise business impact framing, clear assumptions, and well-reasoned recommendations.

Senior Growth Product Manager

Brand Manager

• Support the rollout and adoption of Poshmark’s refreshed brand identity by managing brand guidelines, toolkits, and cross-functional enablement.
• Execute integrated brand initiatives (retail, product, and cultural moments) by coordinating timelines, partners, and creative assets.
• Contribute to brand content strategy by supporting top-of-funnel creative, organic social evolution, UGC/influencer guidelines, and cultural content pillars.
• Manage quarterly brand photoshoots in partnership with Creative and Social, ensuring a steady pipeline of fresh, on-brand assets.
• Maintain strong cross-functional alignment by partnering with Creative, Growth, Community, Product, and People Ops to ensure cohesive brand expression across all touchpoints.

Data Scientist

• Drive end-to-end machine learning projects - from problem formulation and data exploration to model development, evaluation, and deployment.
• Build scalable, production-ready feature pipelines and models for use cases like personalization, recommendations and ranking.
• Collaborate with ML engineers, product managers, and analysts to define success metrics, align on priorities, and drive impact through data science solutions.
• Contribute to best practices in model development, experiment design, and model monitoring
• Stay current with advances in machine learning and actively contribute ideas for innovation.

Data Scientist I

Product Marketing

• Define value propositions and messaging frameworks for both buyers and sellers across all key product lines—listings, pricing tools, offers, authentication, payments, and logistics.
• Develop clear, compelling product narratives that translate complex marketplace mechanics into simpler, user-centric benefits.
• Ensure consistent storytelling across all relevant channels, including in-product, marketing, lifecycle, and external communications.
• Lead GTM strategy for major product launches and enhancements, including feature positioning, target segmentation, rollout plans, and launch KPIs.
• Build a deep, data-informed understanding of buyer and seller behavior and translate insights into product requirements and strategies.
• Activate new users into buyers and sellers while increasing listings, conversion, and repeat purchases and improving long-term engagement.
• Establish a clear, unified product narrative and aligned messaging across multiple channels.
• Enhance product marketing as a strategic partner in roadmap planning and prioritization by embedding consistent positioning and storytelling.

Director, Product Marketing

Account Manager

• Responsible for identifying and developing strategies and programs to onboard and scale strategic supply sources that strengthen Poshmark marketplace liquidity, elevate assortment quality, and drive incremental GMV growth on the platform.
• Own the development of strategic relationships with brands, retailers, resale ecosystems, enterprise sellers, and top-tier power sellers to ensure the platform has the “right” supply at the right volume, quality, relevance, and price to drive GMV growth and brand stickiness.
• Define and execute the enterprise and strategic supply roadmap across brands, retailers, consignment partners, and large-scale sellers
• Identify category opportunities
• Build models for partner sourcing, programming, onboarding, enablement, retention, and expansion
• Own partner acquisition targets, GMV contribution growth, and take rate
• Structure and negotiate commercial terms
• Track partner performance across key metrics, including listing quality and activation, sell-through speed, pricing alignment, returns, cancellations, and disputes
• Manage relationships and contracts
• Build scalable programs for partner onboarding, education, and success
• Build a strong partnerships team across acquisition, account management, partner success, and commercial operations
• Collaborate with Product and Marketplace teams to ensure partners leverage pricing guidance tools, listing standards and best practices, and campaign and promotional strategies and timelines
• Partner with Merchandising to align supply inflow with demand, category health, and trend direction
• Work with Product and Product Marketing to shape seller-facing tools, dashboards, and messaging to improve partner businesses
• Collaborate with Trust & Safety to uphold Poshmark’s standards around authenticity, fraud prevention, and community trust
• Align with Operations and Customer Support to ensure seamless seller and buyer experiences
• Provide insights on emerging supply trends and competitive activity
• Identify white space opportunities where targeted supply partnerships can unlock growth and/or improve discovery
• Share learnings from partners to inform broader seller strategy and marketplace policy

Director, Supply Partnerships

• Build applications and services on top of a distributed cloud architecture, using a combination of NoSQL data solutions, Queueing technologies, and Search infrastructure.
• Design and implement new product features for the marketplace using a highly iterative and data-oriented approach.
• Build, analyze, tune and enhance the core components of the Poshmark product and cloud platform that powers millions of e-commerce transactions.
• Work closely with the product & customer support teams to have a direct impact on our growing business.

Software Engineer, Cloud Platform

• Architect build, iterate and maintain our iOS mobile application
• Influence different aspect of the development process like API creation, design, and product
• Own important pieces of the product that have high visibility both internally and externally
• Find simple, elegant solutions to hard problems
• Take part in code reviews and give constructive feedback to peer developers
• Partner closely with our design, product, and other Engineering team to produce an application that flows seamlessly and works intuitively with our users.
• Write high quality and maintainable code and unit-test for quality assurance, robustness, including edge cases, usability, and general reliability

Senior Software Engineer, iOS

Operations

• Own analytics delivery and insights across Operations and Accounting, spanning Payments, Fraud, Trust & Safety, Shipping, Customer support, and Revenue-related workflows.
• Develop a deep understanding of Poshmark’s operational processes, data systems, and key performance drivers to deliver timely, high-impact insights.
• Lead and manage a cross-geo team, providing regular review, coaching, and mentorship.
• Translate complex analysis into clear narratives and recommendations for Director, VP, and Executive-level stakeholders, ensuring consistency and quality.
• Build strong cross-functional partnerships with Product, Engineering, Data Science, Operations, and senior business and technology leaders to inform roadmap, prioritize testing, and shape business strategies.
• Collaborate with Data Engineering and the broader Data organization to improve data quality, reporting, and analytics foundations and processes.
• Proactively identify opportunities to improve operational efficiency, customer experience, and business outcomes through data.
• Foster a culture of analytical rigor, ownership, experimentation, and continuous learning within the team.
• Contribute to the evolution and scaling of the Operations Analytics function over time.

Senior Manager, Operations Analytics

DevOps Engineer

• Serve as the primary point of accountability for the health, performance, and capacity of mission-critical, internet-facing services.
• Partner with development teams beginning at the design phase to ensure all platforms are built with "operability" and "recoverability" at their core.
• Improve and exchange tools that automate the deployment and monitoring of custom applications in large-scale UNIX environments.
• Thrive in a fast-paced environment where you bridge the gap between "moving fast" and "staying up"
• Participate in a structured 12x7 on-call rotation designed to maintain 24/7 support for production environments.

Senior Site Reliability Engineer – Production Excellence

• Responsible for creating web application features.
• Develop a scalable, high performance and maintainable code.
• Work with web technologies built on Web, database, and caching technologies.
• Tune the performance for the web application.
• Get familiar with the existing web architecture and code base.
• Contributing to and taking ownership of Web features.
• Have a good collaboration within the team. Also, with other teams like Product, Design, QA, devOps etc
• Should participate in technical discussions and be able to evaluate the design and architecture of the solution to the problems.
• Come up with ideas/changes to improve the application both from performance and scalability perspective.
• Get involved in the application architecture discussions and propose changes that would improve the existing infrastructure.
• Should be able to independently drive feature development.

Senior Software Engineer II, Web

• 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.

Software Engineer, SRE

• Build applications and services on top of a distributed cloud architecture, using a combination of NoSQL data solutions, Queueing technologies, and Search infrastructure
• Design and implement new product features for the marketplace using a highly iterative and data-oriented approach
• Build, analyze, tune and enhance the core components of the Poshmark product and cloud platform that powers millions of e-commerce transactions
• Work closely with the product & customer support teams to have a direct impact on our growing business

Senior Software Engineer, Cloud Platform

• Lead the development of scalable product features on the Poshmark platform for content and commerce.
• Serve as a partner to platform security and content integrity teams, to execute on any initiatives to support platform for features related to payments, shipping and content.
• Identify areas of opportunity from a technical perspective for improvements to the platform and lead the areas in moving towards a micro services architecture.
• Work cross-functionally with other engineering teams, product managers, data analysts, data scientists and data engineers to drive projects from conception to release
• Mentor and lead other team members