Polymarket · 1 month ago
Staff iOS Engineer
United States
Full-time
Remote
Lead/StaffPolymarket is the world's largest prediction market platform, enabling individuals to trade on outcomes across various real-world events. They are seeking a Staff iOS Engineer to take ownership of their iOS product, focusing on building a high-quality trading experience and collaborating closely with product, design, and engineering teams.
Crypto & Web3FinanceBig DataCryptocurrencyFinancial ServicesPrediction MarketsPredictive Analytics
Responsibilities
Own the iOS product. Take end-to-end ownership of Polymarket's iOS experience, from technical architecture and performance to product quality and release discipline
Set the technical direction. Make and own architectural decisions for the iOS platform, ensuring the codebase is built to scale and maintained with rigor as the product grows
Build for real-time. Design and implement experiences that handle live market data, fast-moving prices, and real-time order state in a way that feels fast and reliable to users
Raise the engineering bar. Lead code reviews, establish strong iOS engineering standards, and help grow the capability of the broader mobile team
Partner across the company. Work closely with product, design, and backend teams to align on priorities, define APIs and data contracts, and ship high-quality experiences end-to-end
Contribute to mobile strategy. Help shape how Polymarket thinks about mobile as a platform, including architecture decisions that set up the team for scale
Qualification
Required
Significant iOS engineering experience, with a track record of shipping and owning high-quality iOS applications in production
Deep experience building trading, financial, or sportsbook applications – you understand the product domain and the technical demands that come with it
Strong knowledge of Swift and the iOS SDK, with solid instincts around performance, memory management, and real-time data handling
Experience building apps that consume live data feeds and display fast-moving information reliably and smoothly
A high bar for product quality: you care about how things feel, not just whether they work
Comfortable operating with broad ownership in a fast-moving environment
Strong cross-functional communication skills: you work well with product, design, and backend engineers
Preferred
Familiarity with WebSockets, streaming APIs, or other real-time data infrastructure
Experience leading or mentoring iOS engineers
Background in a high-growth startup environment
Benefits
Competitive salary & equity
Unlimited PTO
Full Health, Vision, & Dental coverage
401k match
Hardware setup: new MacBook Pro, big display, & accessories
Company
Polymarket
Polymarket operates a blockchain-based marketplace where users trade on the outcomes of real-world events through prediction markets.
Founded in 2020
51-200 employees
H1B Sponsorship
Polymarket has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
100%
Represents job field similar to this job
Engineering and Development
Trends of Total Sponsorships
*2026 (4)
Funding
Current Stage
Growth StageTotal Funding
$2.88BKey Investors
Neptune Digital AssetsIntercontinental ExchangeFounders Fund
2026-05-14Corporate Round· $0.1M
2026-03-27Corporate Round· $600M
2025-10-07Corporate Round· $2B
Leadership Team
Shayne Coplan
Founder & CEO
Ari Borod
President, Sports Business Development
Recent News
2026-07-22
oregonlive.com
2026-07-21
2026-07-21
Company data provided by crunchbase