iOS Engineer

📋 Description

• • As the lead iOS Engineer at Rain Technologies, Inc., you will be instrumental in shaping the future of global payments by owning the entire mobile iOS development lifecycle. This pivotal role offers the unique opportunity to build polished, production-grade mobile applications from the ground up, directly impacting how clients and their end-users interact with Rain's cutting-edge issuance platform and APIs. You will be a key architect of the mobile experience, ensuring it is intuitive, secure, and scalable, laying the groundwork for future growth and innovation in a hypergrowth fintech company backed by top-tier investors.
• • In this dynamic position, your day-to-day responsibilities will encompass the full spectrum of iOS development. You will architect a clean, scalable codebase, making foundational decisions on project structure, navigation patterns, state management, and dependency injection to ensure maintainability and facilitate the growth of the mobile team. A significant part of your role will involve building robust mobile apps that seamlessly integrate with Rain's APIs, enabling functionalities such as card issuance, transaction management, balance queries, and other critical payment flows. You will also be responsible for implementing secure authentication, tokenization, and data handling protocols, adhering to the stringent requirements of the financial services industry. Furthermore, you will collaborate closely with product managers, designers, and backend engineers to define the mobile roadmap, translating complex platform capabilities into user-friendly native experiences. A crucial aspect of your contribution will be driving decisions on essential development tools, frameworks, CI/CD pipelines, and testing strategies, ensuring a high standard of quality and efficiency in the mobile development process. As an early and influential member of the engineering team, you will actively contribute to shaping the broader engineering culture, sharing your expertise and influencing best practices.
• • You will be joining a lean and mighty team of passionate builders and veteran founders at Rain, a company dedicated to making the next generation of payments possible globally. Rain's infrastructure powers real-world stablecoin usage through card transactions, cross-border payments, B2B purchases, and remittances, partnering with fintechs, neobanks, and institutions to launch efficient and inclusive solutions. The team operates with an ethos of an open and flat structure, where members at all levels have the freedom to explore ideas, impact the roadmap, and grow into roles that align with their personal and professional goals. You will work directly alongside the lead Android developer, forming the core of the mobile engineering function.
• • This role presents an exceptional opportunity for professional growth and impact. You will gain invaluable experience in architecting and scaling a mobile platform within a fast-paced fintech environment, directly influencing the product's direction and technical strategy. You will deepen your expertise in Swift and Apple's native frameworks, while also developing a strong understanding of financial services technology and secure payment processing. By taking ownership of the iOS development lifecycle and contributing to the company's engineering culture, you will significantly enhance your leadership and technical capabilities, positioning yourself for future advancement within a rapidly expanding organization.
• • The core of your daily work will revolve around bringing Rain's innovative payment solutions to life on iOS. This involves translating intricate backend functionalities and API specifications into seamless, intuitive user interfaces and experiences. You will be the primary advocate for the iOS platform, ensuring that applications are not only functional but also performant, reliable, and visually appealing, meeting the high standards expected by Rain's partners and their customers. Your architectural decisions will directly influence the long-term viability and scalability of the mobile offering, requiring a forward-thinking approach to technology adoption and best practices. You will be challenged to solve complex problems related to financial transactions, security, and user data privacy, all within the context of a rapidly evolving fintech landscape. This role demands a blend of deep technical expertise, strong product intuition, and effective communication skills to navigate the complexities of building a best-in-class mobile payment experience.
• • Your collaboration with product and design teams will be crucial in defining the user journey and ensuring that the mobile application effectively addresses user needs and business objectives. You will be expected to provide technical insights and recommendations, helping to shape the product roadmap and prioritize features. The opportunity to work with a seasoned team of founders and engineers provides a unique learning environment, fostering a culture of continuous improvement and knowledge sharing. As you contribute to building out the mobile team, you will also play a role in mentoring future hires and establishing best practices for mobile development at Rain. This holistic involvement ensures that your contributions extend beyond code, impacting the overall success and trajectory of the company.
• • The technical challenges you will tackle are significant and rewarding. You will be responsible for ensuring the security and integrity of financial data, implementing robust error handling, and optimizing application performance for a global user base. This includes staying abreast of the latest advancements in iOS development, Swift language features, and Apple's evolving frameworks to leverage them effectively in the Rain application. Your ability to anticipate future needs and design for scalability will be paramount as Rain continues to expand its offerings and user base. The opportunity to work on a product that is fundamentally changing how payments are made globally offers a unique sense of purpose and impact.
• • Ultimately, this role is for an ambitious iOS engineer who thrives in a startup environment, is passionate about fintech, and wants to build something truly impactful. You will have the autonomy to make significant technical decisions, the support of a strong founding team, and the chance to be a foundational member of a company poised for massive growth. Your work will directly contribute to making financial services more accessible and efficient for millions of users worldwide.