Poshmark iOS Jobs in the USA

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Poshmark
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About the Company

Poshmark is a social marketplace for all things style, where millions of people buy, sell, and discover fashion, home decor, beauty, and more. Sellers can list items in less than 60 seconds from their phone, share listings with followers, use daily themed Posh Parties to help shoppers discover listings, and earn cash once the item is delivered (USPS Ground Advantage with prepaid labels). Poshmark offers protected payments: if an item is not as described, Poshmark guarantees a refund. Posh Authenticate provides free item authentication for all items $500 or more.

Industry

  • Social Commerce
  • Fashion Marketplace
  • Peer-to-Peer (P2P) Resale
  • E-Commerce
  • Secondhand Fashion
  • Social Networking

iOS Engineering at Poshmark

Poshmark develops the Poshmark iOS app for buying, selling, and discovering fashion, home decor, beauty, and more. The iOS engineering team builds and maintains features for listing creation (snap photo, price item, describe condition, size, brand, color, category), social feed (follow closets, share listings, like items, comment, tag), Posh Parties (themed virtual shopping events: daily schedule, live feed of listed items, host picks, party ambassadors), search and discovery (filter by category, brand, size, color, price, condition, proximity), offers and negotiations (make offer, counteroffer, accept, decline, expire), checkout and payments (credit card, Apple Pay, PayPal, Venmo, Posh Credits), shipping (prepaid USPS label generation, print label, track package, mark as shipped), order management (purchases, sales, returns, cancellations, shipping status tracking), earnings and payout (redeem Posh Credits to bank account, direct deposit, or PayPal), authentication program (for items $500+: seller ships to Poshmark authentication center, authenticator verifies, then forwards to buyer), push notifications (offer received, offer accepted, item sold, item shipped, order delivered, payment sent, follower, like, comment, party reminders, shipping reminders, authentication status, refund status), messaging (Poshmark bundle and chat for negotiation, questions, offers), returns and disputes (open case, upload photos, Poshmark support resolution, return shipping label), shipping label generation (generate USPS label via API, display in app for printing), bundle discounts (seller offers discount when buyer purchases multiple items from same closet), closet management (edit listing, mark as sold, delete listing, relist, copy listing, bulk actions), price drop notifications (likers receive notification when seller reduces price), seller analytics (closet insights, views, shares, likes, offers, sales, revenue, earnings), accessibility (VoiceOver for buying and selling, dynamic type, large text for viewing listings), offline mode (saved drafts for listings, offline bundles, cached feed), and integration with backend systems for inventory, order processing, payment processing, authentication workflow, and shipping label generation.

Mobile development in this context focuses on camera integration (AVFoundation for photographing items for listings, multiple photos, video for listings, real-time filters and editing), image optimization (high-resolution product images, zoom, pan, pinch for detail views, caching for fast feed scrolling), social feed (UICollectionView or UITableView for infinite scrolling of listings, likes, comments, shares, follows, real-time updates via WebSockets or push notifications), Posh Parties (real-time feed of items shared to party, host picks, party schedule, themed events, live party countdown, push notifications for party start, party reminders), offers and negotiations (real-time offer system with expiration timers, push notifications for offers received, offers accepted, offers countered, offers declined, offers expired), checkout and payments (StoreKit for Apple Pay integration, Stripe or Braintree for credit card, PayPal, Venmo, Posh Credits (virtual currency) ), shipping (generate USPS label via API, display label as PDF for printing, barcode for USPS scanning, track package via USPS API, push notifications for shipping updates), push notifications (APNs for offers, sales, shipping updates, messages, parties, authentication status, refunds), messaging (real-time chat within bundles, photos, offers, payments), authentication program (track authentication status: seller ships to authenticator → authenticator receives → authenticator verifies (item $500+) → authenticator ships to buyer → buyer receives), return and dispute resolution (open case, upload photos, support chat, return label generation), offline mode (Core Data for saved listing drafts, cached feed, saved searches, offline bundles for negotiation, sync when online), accessibility (VoiceOver for listing creation: describe item, set price, choose category; VoiceOver for browsing and liking; dynamic type for product descriptions, size, condition, brand), WidgetKit for home screen party reminders, sales notifications, price drop alerts, and integration with backend systems for inventory (user closets, listing status, sold items, available items), order processing (USPS label generation, tracking), payment processing (Stripe, Braintree, PayPal, Venmo, Posh Credits), authentication workflow (Posh Authenticate centers), and customer support.

Products and Platforms

  • Poshmark iOS App – Social marketplace for fashion, home decor, beauty
  • Listing Creation – Snap photo, price, describe (size, brand, color, condition), list in <60 seconds
  • Social Feed – Follow closets, share listings, like, comment, tag
  • Posh Parties – Daily themed virtual shopping events (live feed of shared items, host picks, party ambassadors)
  • Offers & Negotiations – Make offer, counteroffer, accept, decline, expire
  • Checkout & Payments – Credit card, Apple Pay, PayPal, Venmo, Posh Credits
  • Shipping – Prepaid USPS label generation, print label, track package
  • Order Management – Purchases, sales, returns, cancellations, shipping status
  • Earnings & Payout – Redeem Posh Credits to bank account, direct deposit, PayPal
  • Posh Authenticate – Free item authentication for $500+ (item shipped to authenticator, then to buyer)
  • Push Notifications – Offers, sales, shipping updates, messages, parties, authentication status, refunds
  • Messaging – Bundle and chat for negotiation, questions, offers
  • Returns & Disputes – Open case, upload photos, support resolution, return label
  • Bundle Discounts – Seller offers discount for multiple items from same closet
  • Closet Management – Edit, mark sold, delete, relist, copy listing, bulk actions
  • Price Drop Notifications – Likers notified when seller reduces price
  • Seller Analytics – Views, shares, likes, offers, sales, revenue, earnings
  • Apple Pay – Secure checkout via StoreKit

Work Opportunities for iOS Developers

A social commerce and fashion marketplace leader like Poshmark hires:

  • iOS Developers – for social marketplace, listing creation, social feed, Posh Parties, offers and negotiation, checkout and payments, shipping, order management, earnings, authentication, messaging, returns, and seller analytics
  • Mobile Engineers (iOS) – focusing on camera integration (AVFoundation) for listing photos (multiple photos, video listings, real-time filters, editing), image optimization (high-resolution images, caching for infinite scroll), social feed (UICollectionView/UITableView with real-time updates via WebSockets or push notifications), Posh Parties (real-time item feed, host picks, party schedule, push notifications for party start), offers and negotiations (real-time offer system with expiration timers, push notifications), checkout and payments (StoreKit for Apple Pay, integration with Stripe/Braintree for credit card, PayPal, Venmo, Posh Credits), shipping (generate USPS label via API, PDF display for printing, barcode, tracking via USPS API), push notifications (APNs for offers, sales, shipping updates, messages, parties, authentication, refunds), messaging (real-time chat with photos, offers, payments), authentication program (track authentication status: ship to authenticator → verify → ship to buyer), returns and dispute resolution (open case, upload photos, support chat, return label), offline mode (Core Data for listing drafts, cached feed, saved searches, offline bundles), accessibility (VoiceOver for listing creation, browsing, liking; dynamic type), WidgetKit for home screen party reminders and sales notifications, and integration with backend systems for inventory, orders, payments, authentication, and customer support
  • Software Engineers – for backend services supporting social marketplace (user closets, listings, likes, shares, comments, follows, party events, party host picks), offers and negotiation system (real-time offers, expiration, counteroffers), payment processing (Stripe, Braintree, PayPal, Venmo, Posh Credits), shipping label generation (USPS API), order tracking, authentication workflow (Posh Authenticate centers: item received, verification status, item forwarded), dispute resolution (case management), seller analytics, push notification delivery, and customer support integrations
  • Social Commerce iOS Engineers – with deep knowledge of social feeds (real-time updates, infinite scrolling, following, sharing), marketplace listing creation (camera, multiple photos, video, real-time filters, editing, condition, size, brand, color, category), offer and negotiation systems (expiring offers, push notifications), Posh Parties (themed virtual events, live item feed, host picks, party schedule), bundle discounts (multiple items from same closet), price drop notifications, and seller analytics (closet insights, revenue, earnings)
  • Camera Engineers (iOS) – for AVFoundation integration (multiple photos, video listings, real-time filters, editing, image optimization for fast upload, background upload while user continues browsing)
  • Push Notification Engineers – for real-time alerts (offer received, offer accepted, item sold, item shipped, order delivered, payment sent, follower, like, comment, party reminders, shipping reminders, authentication status, refund status)
  • Messaging Engineers – for real-time chat within bundles (WebSockets for instant messages, photos, offers, payments)
  • Payments Engineers – for StoreKit (Apple Pay), Stripe/Braintree (credit card), PayPal, Venmo, Posh Credits (virtual currency) integration, payout processing (redeem credits to bank account, direct deposit, PayPal)
  • Shipping Engineers – for USPS API integration (label generation, tracking, barcode generation), PDF display for label printing, print via AirPrint
  • Authentication Engineers – for workflow tracking (item $500+ shipped to Poshmark authentication center, verification status, item forwarded to buyer, push notifications to seller and buyer)
  • Dispute Resolution Engineers – for case management (open case, upload photos, support chat, return label generation, refund processing)
  • Offline-First Engineers – for Core Data (save listing drafts when offline, sync when back online; cached feed for offline browsing; saved searches; offline bundle chat messages)
  • Accessibility Engineers – for inclusive selling and buying (VoiceOver for listing creation: "describe item, set price, choose category, condition, size, brand, color, upload photo"; VoiceOver for browsing: like, comment, share, offer; dynamic type for product descriptions, size, condition, brand)
  • WidgetKit Engineers – for home screen party reminders, sales notifications, price drop alerts
  • Image Optimization Engineers – for high-resolution product images, caching for infinite scroll (feed performance), zoom, pan, pinch, detail view, multiple photos per listing
  • Real-Time Update Engineers – for WebSockets or APNs for social feed updates (likes, comments, shares, follows, new listings from followed closets, party feed)
  • Seller Analytics Engineers – for Swift Charts (closet insights: views, shares, likes, offers, sales, revenue, earnings over time)

These roles focus on building and maintaining the Poshmark iOS app that helps millions of users buy, sell, and discover fashion, home decor, beauty, and more. Engineers work on listing creation with camera integration (AVFoundation) for photographing items, multiple photos, video listings, real-time filters and editing, and image optimization for fast upload and feed scrolling. Social feed with UICollectionView/UITableView for infinite scrolling of listings, real-time updates via WebSockets or push notifications (likes, comments, shares, follows, new listings from followed closets). Posh Parties (daily themed virtual shopping events: real-time feed of items shared to party, host picks, party schedule, countdown, push notifications for party start). Offers and negotiations (real-time offer system with expiration timers, push notifications for offer received, accepted, countered, declined, expired). Checkout and payments (StoreKit for Apple Pay, integration with Stripe/Braintree for credit card, PayPal, Venmo, Posh Credits virtual currency). Shipping (prepaid USPS label generation via API, display label as PDF for printing, barcode for USPS scanning, track package via USPS API, push notifications for shipping updates). Order management (purchases, sales, returns, cancellations, shipping status tracking). Earnings and payout (redeem Posh Credits to bank account, direct deposit, PayPal). Posh Authenticate (free authentication for items 500+

Website

Software Engineer II, iOS

May 31, 2026
Poshmark
Poshmark
Retail
501-1000 employees

Job Details

Hybrid
Redwood City, CA
$
108
k–
$
180
k
Equity + performance-based incentives
Full-time
Middle
2
+
years
View Job
May 31, 2026
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