iOS Developer (Frontend SDK)Robotics Technologies LLC • San Leandro, California, United States

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iOS Developer (Frontend SDK)

Robotics Technologies LLC

San Leandro, California, United States

San Leandro, California, United States

Über

The client is seeking a highly skilled iOS Developer with strong expertise in building Frontend SDKs for high-scale, secure, and high-performance mobile applications. In this role, you will design, develop, and optimize iOS SDK components that power client’s next-generation payment experiences, digital wallets, authentication frameworks, and secure transaction flows. You will collaborate closely with product managers, architects, backend platform teams, and client’s global developer ecosystem to build best-in-class mobile SDKs used by merchants, partners, and financial institutions worldwide. Key Responsibilities SDK Design & Development Design, develop, and maintain iOS Frontend SDKs using Swift and/or Objective-C. Build reusable client-side libraries, UI components, and frameworks for client’s mobile payment solutions. Ensure SDKs are lightweight, modular, scalable, and seamless for third-party integration. Integration & APIs Integrate payment APIs, authentication APIs, and secure transaction services. Work with RESTful APIs, JSON data structures, and backend engineering teams to ensure smooth communication between systems. Provide technical support for internal and external partners integrating iOS SDK. Performance & Security Optimize mobile SDK performance, startup time, and memory usage. Implement highly secure coding practices aligned with PCI-DSS and client’s internal compliance. Work with encryption modules, secure storage, tokenization, and device authentication. Testing & Documentation Develop automated unit tests, UI tests, and integration tests for SDK reliability. Create comprehensive developer documentation, integration guides, and sample apps. Support continuous integration/continuous deployment (CI/CD) pipelines for SDK releases. Cross-Functional Collaboration Partner with product, design, and architecture teams to define mobile-first solutions. Participate in code reviews, sprint planning, and Agile ceremonies. Provide mentorship to junior developers and contribute to engineering best practices. Required Skills & Qualifications 10+ years of iOS development experience. Expert-level proficiency in Swift; working knowledge of Objective-C. Strong experience designing or maintaining mobile SDKs / frameworks. Hands-on experience with: Xcode, Instruments, XCTest Swift Package Manager / CocoaPods / Carthage REST APIs & JSON parsing Mobile security mechanisms (Keychain, certificates, OAuth, tokenization) Memory management, performance tuning, multithreading (GCD/OperationQueue)
Domain Skills Exposure to payment systems, digital wallets, or fintech applications is highly preferred. Experience working with Visa, Mastercard, EMV, token services, or other payment ecosystems is a strong plus. Soft Skills Strong communication, documentation, and problem-solving abilities. Ability to collaborate in a fast-paced, cross-functional environment. Detail-oriented with a focus on secure and scalable engineering solutions. Preferred Qualifications Experience building SDKs adopted by large-scale developer communities. Knowledge of cryptographic libraries, secure enclave, or authentication frameworks. Familiarity with Agile, CI/CD, Git, Jenkins, or GitHub Actions. Bachelor’s or Master’s degree in Computer Science, Engineering, or related field. ROBOTICS TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. ROBOTICS TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters. Nor will ROBOTICS TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract
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San Leandro, California, United States

Sprachkenntnisse

English

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