--- title: 'Senior Mobile Engineer (React Native) at Arcus' canonical: 'https://feeny.ai/job/senior-mobile-engineer-react-native-arcus-new-york-ft12f9n8gpc8' type: 'job' last_seen: '2026-09-10' --- # Senior Mobile Engineer (React Native) at Arcus - **Company:** Arcus - **Location:** New York, NY - **Employment:** full-time - **Work type:** hybrid - **Posted:** 2026-06-10 - **Last confirmed live:** 2026-09-10 - **Apply:** https://jobs.gem.com/arcus/am9icG9zdDpbxm8-qnRQEgAS50-M49v6 ## Job description Build the Future of Global Markets At Arcus, we're democratizing access to financial opportunity. The team behind Arcus previously built dYdX, one of the world's largest decentralized exchanges, helping power over $1.5 trillion in trading volume across more than nine years of experience building crypto trading infrastructure. Now we're applying that expertise to an even bigger opportunity: bringing the world's financial markets on-chain. Today, access to markets is still limited by geography, market hours, and legacy financial infrastructure. We believe anyone, anywhere should be able to trade the assets they care about, whenever they want. Built in partnership with Robinhood Chain and backed by a direct investment from Robinhood Crypto, Arcus is creating a unified, self-custodied trading platform where crypto, stock tokens, commodities, and perpetual futures can all be traded seamlessly from a single account, 24/7. Our vision is simple: to make the world's markets open, always-on, and universally accessible. Join us in shaping the next generation of global financial markets. ## About Arcus Our team has previous experience at Google, Meta, Citadel, DRW, IMC Trading, Stripe and other top companies We're a world-class team with top backers and advisors, including Andreessen Horowitz, Polychain Capital, Brian Armstrong, Fred Ehrsam, Naval Ravikant, Elad Gil and more → [Learn more about working at Arcus](https://dydx.notion.site/Work-at-Arcus-f4e21fec1be78389a6e501f9977d6935) ## RESPONSIBILITIES: - Build and enhance the Arcus mobile application using React Native - Own end-to-end mobile features from architecture and implementation through testing, release, and ongoing maintenance - Collaborate closely with product managers, designers, and backend engineers to deliver intuitive and performant mobile experiences - Help define the technical direction and architecture of our mobile platform - Improve application performance, reliability, observability, and developer experience - Work with technologies that directly interface with blockchain networks, wallets, and decentralized protocols - Partner with cross-functional teams to deliver best-in-class trading experiences on mobile ## REQUIREMENTS: - You have demonstrated technical excellence through previous work and shipped high-quality mobile applications at scale - Strong experience building and maintaining production React Native applications - Proficiency in JavaScript and TypeScript - Deep understanding of mobile application architecture, state management, networking, performance optimization, and testing - Experience publishing and supporting applications on both iOS and Android platforms - Strong product sense and attention to user experience details - You are a fast learner who can quickly master new technologies and complex systems - 5+ years of software engineering experience, including significant experience building mobile applications - Experience collaborating with designers, product managers, and backend engineers in fast-paced environments ## NICE TO HAVES: - Experience building financial, trading, fintech, or security-sensitive applications - Experience with native iOS (Swift) and/or Android (Kotlin) development - Experience with React Query, Redux, Zustand, or similar state management solutions - Experience building highly performant real-time applications - Experience working with crypto wallets, blockchain technologies, or DeFi products - Familiarity with CI/CD pipelines, automated testing, and mobile release processes - Experience mentoring engineers and influencing technical direction - CS degree or equivalent practical experience Salary range for this role is $210K to $270K (NY). Compensation subject to experience and location. Published salary bands pursuant to transparency laws, and do not include possible variable compensation such as annual merit increases, bonus eligibility, commission, or equity incentive. ## About Arcus ## Company Overview - **One-liner**: Arcus is a next-generation decentralized exchange (DEX) built by dYdX Labs in partnership with Robinhood Crypto, offering 24/7 spot trading of stock tokens and cross-margined perpetual futures across equities, crypto, commodities, and indices. - **Entity Type**: Private (startup, incubated at dYdX Labs; strategic investment from Robinhood Crypto) - **Headquarters**: New York, United States - **Founded**: 2025 (incubated at dYdX Labs; public launch in 2026) - **Founders**: Eddie Zhang (CEO & Founder) ## Core Business - **Primary industries**: Decentralized finance (DeFi), cryptocurrency exchange, tokenized equities trading - **Target customers**: Retail traders (B2C) and institutional traders via API; available in eligible jurisdictions outside the U.S., U.K., Canada, and other restricted markets - **Mission**: Democratize access to financial opportunity by merging traditional finance assets with DeFi infrastructure ## Products & Services - **[Arcus Spot Trading](https://arcus.xyz/)**: 24/7 zero-fee spot trading of 95 Stock Tokens (US equities, indices, commodities) on Robinhood Chain. Self-custodial, backed 1:1 by Robinhood Crypto. - **[Arcus Perpetuals](https://arcus.xyz/)**: Cross-margined perpetual futures with up to 50x leverage across equities, crypto, commodities, and indices (35+ RWA perps). Currently waitlisted; full launch expected in 2026. - **[Arcus API](https://arcus.xyz/)**: Unified API for order management, account data, and market feeds – built for speed and clarity, targeting algorithmic and institutional traders. ## Market Standing - **Valuation**: Not disclosed - **Key Metric**: Total funding – strategic investment from Robinhood Crypto (amount undisclosed); platform is live in beta with 95 Stock Tokens and 35 RWA perps - **Notable Investors/Partners**: Robinhood Crypto (strategic investor & partner on Robinhood Chain), dYdX Labs (incubator; board seat held by dYdX founder) - **Growth Signals**: Built by the team that created dYdX (one of the largest DEXs); lives in beta with spot trading open to all eligible users; perps waitlist opened July 1, 2026; access to Robinhood’s 25 million+ retail user base; any future Arcus token will reserve allocations for the dYdX community ## Competitive Advantages - **Distribution via Robinhood Chain**: Direct pipeline to 25M+ retail users, combining brokerage-scale UX with DeFi infrastructure - **First-mover in tokenized equities on DEX**: Offers 24/7 zero-fee spot trading of stock tokens alongside crypto perps – a unique multi-asset offering in DeFi - **Deep liquidity**: Backed by Robinhood and other top institutional market-makers - **Self-custodial and 24/7**: Users maintain control of assets and can trade global markets around the clock - **Proven team**: Core team previously built and scaled dYdX, a major decentralized exchange with 200+ markets and 50+ validators ## Strategic Focus - Open perpetuals access beyond waitlist and ramp up trading volume - Launch native Arcus token with community allocation for dYdX holders - Expand asset listings and leverage offerings - Strengthen API and infrastructure for institutional traders - Continue building a community-owned exchange ## Why Work Here - **Culture**: “We move fast, but we take care of our people.” Emphasis on ownership, remote work, and impact. - **Policy**: Remote-friendly with offices in New York, United States (6 open engineering roles as of Aug 2026 – Backend, Frontend, Staff, Mobile, Trading Infrastructure) - **Perks**: Competitive salary, remote options, opportunity to work on cutting-edge DeFi infrastructure from the team that built dYdX - **Engineering culture**: High autonomy, modern stack (React Native, blockchain infrastructure), focus on speed and reliability ## Sources 1. [arcus.xyz – Homepage & FAQ](https://arcus.xyz/) 2. [arcus.xyz – Careers page](https://arcus.xyz/careers) 3. [dYdX blog – "A New Arc"](https://www.dydx.xyz/blog/a-new-arc) 4. [Cryptobriefing – "Arcus goes live after year-long development"](https://cryptobriefing.com/arcus-dex-launch-dydx-robinhood/) ## Other roles at Arcus - [Lead Trading Infrastructure Engineer](https://feeny.ai/job/lead-trading-infrastructure-engineer-arcus-new-york-4ry0exmgw698) — New York, NY - [Senior Software Engineer - Frontend](https://feeny.ai/job/senior-software-engineer-frontend-arcus-new-york-aphp4d9jea9h) — New York, NY - [Staff Software Engineer](https://feeny.ai/job/staff-software-engineer-arcus-new-york-f2vzjrnbpyrz) — New York, NY - [Senior Software Engineer - Backend](https://feeny.ai/job/senior-software-engineer-backend-arcus-new-york-nb4wk280sz9g) — New York, NY - [Software Engineer - Backend](https://feeny.ai/job/software-engineer-backend-arcus-new-york-j7fajmxw3daf) — New York, NY - [Senior Mobile Engineer (React Native)](https://feeny.ai/job/senior-mobile-engineer-react-native-trust-wallet-global-yne4f1ymvhyx) — Global