Mobile Engineer (iOS and Android)

zerohash is looking for an experienced and passionate Mobile Native Engineer to help develop functional, performant, and appealing applications for both iOS and Android platforms. The breadth of your product responsibilities will be our client-facing mobile applications and potentially internal mobile tools. We are a high-performing team looking for an equally ambitious and driven teammate. The right candidate for this role has a deep understanding of the entire mobile development lifecycle, including design, native development, and deployment, as well as an appreciation for back-end integration. You have a keen eye for design, mobile user experience, and performance. You are able to communicate effectively with other team members and solve complex problems. If you're looking to have a massive impact in a high-growth startup in one of the most exciting markets in decades you will find this role challenging and rewarding in equal measure.

• Design, develop, and maintain high-quality native applications for iOS and Android.
• Ensure the best possible performance, quality, and responsiveness of the applications.
• Collaborate with product managers, designers, and other engineers to define, design, and ship new features.
• Troubleshoot, debug, and upgrade existing mobile applications.
• Implement robust and secure communication with back-end services (APIs).
• Assist with defining and implementing mobile CI/CD pipelines and deployment processes.
• Inspire the overall company for product excellence through your work as a thought leader and mentor.

• 5+ years of experience in native mobile development, preferably in the fintech space.
• Deep professional experience with native iOS development (Swift or Objective-C) and native Android development (Kotlin or Java).
• Proficiency with mobile state management, threading, and architectural patterns (e.g., MVVM, MVI, Clean Architecture).
• Solid understanding of mobile security best practices, performance optimization, and memory management.
• Experience consuming RESTful APIs and working with asynchronous programming.
• Excellent verbal and written communication skills.
• Comfort with ambiguity; the ability to independently layout and test clear hypotheses, and solve problems without well-defined direction.

• Bachelors in computer science or equivalent experience.
• Experience at a banking-as-a-service, brokerage-as-a-service, or payment-as-a-service business.
• Library development experience
• Experience with digital assets preferred, but not required.
• Familiarity with cross-platform frameworks (e.g., React Native, Flutter) is a plus, but the primary focus is native.
• Experience with mobile testing frameworks (unit, integration, UI testing).

We believe a happy, motivated, and healthy team is the best way to succeed. We offer the following benefits:

• Chance to earn equity
• Maternity & Paternity leave
• WeWork Membership
• WFH Yearly Stipend
• L&D Stipend (after 6 months)

zerohash's full stack financial infrastructure seamlessly connects fiat, crypto and stablecoins, enabling a better way to move and transfer money and value globally.

zerohash provides the complete technical infrastructure (delivered through API and SDK) as well as the global regulatory stack to easily and compliantly send, receive, store, and convert fiat, crypto, and stablecoins, in one platform.

Start-ups, enterprises and Fortune 500 companies, including Stripe, Interactive Brokers, Shift4, Franklin Templeton, and MoonPay embed our infrastructure to power a diverse range of use cases: cross-border payments, commerce, trading, remittance, payroll, tokenization, wallets and on and off-ramps.

Backed by Interactive Brokers, Point72 Ventures, NYCA, Bain Capital, and tastytrade.

All zerohash employees are guided by the following characteristics and core principles:

• Independence/Ownership - An ability to work autonomously. Join zerohash, pitch ideas, and shape the work you do.
• Passion - We are innovating quickly and challenging the status quo. We want you to think big, be creative and ​make a difference every day.
• Collaborative - A good attitude and respect for others. We’re teammates, not co-workers. Everything we do is a shared success and equally a shared failure - we talk in terms of “we” not “me”.
• Initiative - An ability and passion for learning and asking questions. We will champion you, challenge you and push you to achieve your best - and we expect you to do the same.
• Empathy - An ability to listen, respect, and understand your co-workers, customers, and everyone you interact with no matter how different they are to you.
• Adaptability - An ability to respond quickly. We are in a fast-paced industry and so we expect you to be creative when solving a new problem and comfortable under pressure.
• Transparency - We believe that transparency is critical to empowering everyone to make the best decisions, both the company to its people and vice versa.
• Integrity - Integrity creates trust. As both an organization collectively and as individuals, it is our most valuable asset.

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