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Role overview
Job description
LAB49 is currently looking for a Senior iOS Engineer playing a critical role on key projects for Lab49 clients. Working in a collaborative and innovative project team, with direct client-facing interactions, you will have an opportunity to apply your skills and expertise to design innovative applications that solve complex problems and enhance performance and productivity at our marquis clients.
Lab49 is an NYC-based specialist strategy, design, and technology consulting company dedicated to the financial services industry. We were founded in 2002 to fill a need in the Financial Technology marketplace for high-end execution and reliable delivery of technology projects.
Our consultants are experts in strategy, user experience, architecture, engineering, and delivery management. We combine knowledge of the latest trends in technology with deep domain expertise to deliver innovative solutions with accelerated time-to-market. We have office hubs in Midtown Manhattan, London, Budapest, New Delhi and Sydney.
Responsibilities:
Lab49/ION is committed to maintaining a supportive and inclusive environment for people with diverse backgrounds and experiences. We respect the varied identities, abilities, cultures, and traditions of the individuals who comprise our organization and recognize the value that different backgrounds and points of view bring to our business. Lab49/ION adheres to an equal employment opportunity policy that prohibits discriminatory practices or harassment against applicants or employees based on any legally impermissible factor.
- Develop and maintain robust iOS applications using Swift and SwiftUI/ UIKit, ensuring optimal performance and responsiveness.
- Collaborate with product managers, UI/UX designers, and backend developers to define, design, and ship new features.
- Write clean, maintainable, and efficient code, adhering to best practices and architectural patterns (e.g., MVVM).
- Perform unit and integration testing to ensure application quality and stability.
- Troubleshoot, debug, and optimize application performance.
- Stay up-to-date with the latest mobile technologies, frameworks, and industry trends.
- The role is on-site in the WTC area of New York City
- 8+ years of experience designing and building complex, commercial-grade software systems
- Proficiency in Swift and experience with native iOS development tools such as SwiftUI, UIKit, SwiftData, Swift Concurrency (async/await)
- Experience in financial services
- Familiarity with integrating RESTful APIs and third-party libraries
- Experience with agile development methodologies
- Knowledge of continuous integration and continuous deployment (CI/CD) pipelines for mobile applications
- Understanding of mobile UI/UX principles and best practices to create intuitive and engaging user experiences
- Excellent communication skills with the ability to influence both technical and non-technical stakeholders.
- Experience in consumer banking including account management and onboarding
- Experience in fraud management/KYC/AML and regulatory reporting
- Experience using on device biometrics for authentication
- A strong portfolio of released applications on the App Store
- Experience with AppConfig community standards and enterprise app distribution
- College degree in Computer Science or related field of study or equivalent experience
- Leverage AI-assisted development tools (e.g., Claude, Claude Code, Copilot) to improve team velocity and code quality, and help the team adopt them responsibly
Lab49/ION is committed to maintaining a supportive and inclusive environment for people with diverse backgrounds and experiences. We respect the varied identities, abilities, cultures, and traditions of the individuals who comprise our organization and recognize the value that different backgrounds and points of view bring to our business. Lab49/ION adheres to an equal employment opportunity policy that prohibits discriminatory practices or harassment against applicants or employees based on any legally impermissible factor.
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About this listing
- Source: ION Group's official careers site · still listed there on 10 Nov 2026
- Posted 12 Feb 2026
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What they are looking for
Skills & requirements
Hiring company
ION Group
Technology
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