Fullstack Mobile App Engineer – Native iOS

About the Opportunity We are seeking an experienced Fullstack Mobile App Engineer with strong native iOS expertise to build a next-generation cryptocurrency trading application from the ground up. This role offers significant technical ownership, including mobile architecture, real-time trading functionality, application security, and the complete Apple App Store release lifecycle. You will work closely with the founders and engineering team to deliver a high-performance mobile trading experience. Key Responsibilities * Design, develop, and launch the company's first native iOS trading application. * Establish scalable mobile architecture and engineering best practices. * Build gesture-driven interfaces, interactive charts, and responsive trading experiences. * Integrate REST APIs and WebSocket streams for real-time market data. * Implement secure wallet integrations, biometric authentication, transaction signing, and key storage. * Collaborate with founders and front-end engineers to maintain consistency across web and mobile. * Manage provisioning, testing, deployment, and App Store releases. * Establish CI/CD pipelines for automated builds, testing, and deployment. * Mentor junior engineers as the mobile engineering team grows. Required Qualifications * 3–16 years of iOS engineering experience. * Strong proficiency in Swift and native iOS development. * Demonstrated experience building an iOS application from scratch and successfully shipping it through the Apple App Store. * Ability to design maintainable, scalable codebases. * Strong problem-solving skills and a commitment to code quality, security, and reliability. * Genuine interest in cryptocurrency, trading, or financial markets. Preferred Qualifications * Experience building fintech, cryptocurrency, or trading applications. * Familiarity with WebSockets, real-time data systems, and live market feeds. * Experience with mobile wallets and secure transaction handling. * A public GitHub profile or portfolio showcasing iOS projects. * Familiarity with AI-assisted development tools. Compensation and Benefits * Annual base salary of $185,000–$300,000. * Strong equity participation. * Cash bonuses. * Visa transfer options may be available for eligible candidates, subject to sponsorship requirements. Work Arrangement This is a full-time, on-site position in the New York City Metropolitan Area. Candidates must be able to work in person five days per week. How to Apply Interested candidates can email their updated CV to **kavita.m@errikos.in**. Please highlight your Swift expertise, native iOS development experience, and applications you have successfully taken from development through production release. Pay: $185,000.00 - $300,000.00 per year Benefits: * Relocation assistance Work Location: In person