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Mobile Team Lead, Android & iOS, New York (Contractor)

ION · New York, United States · 1 mo ago
On-siteOTHRContract

About the role

Lab49 is an award‑winning specialist consultancy that creates bespoke technology for leading financial institutions. Founded in 2002, the firm brings Silicon Valley engineering practices to Wall Street, delivering high‑impact projects across distributed systems, automation, enterprise UX, cloud, and data‑driven platforms. The Mobile Team Lead, Android & iOS will work on key client projects, designing innovative applications that solve complex problems, enhance performance, and support large‑scale consumer‑banking experiences such as onboarding, account management, and money movement.

Responsibilities

  • Design, implement, deliver, and test innovative Android and iOS applications while understanding product and business context.
  • Communicate with leadership, product owners, designers, technologists, and users to create software aligned with business and technical priorities.
  • Break down complex problems into elegant technical solutions for Lab49’s clients.
  • Guide architectural decisions, adopt strong software architecture, development best practices, and new technologies.
  • Contribute to continuous improvement of the software‑building process.
  • Stay on top of technology trends, experiment with and learn new tools.
  • Lead Agile teams, providing technical direction and mentorship to increase engineers’ autonomy and effectiveness.
  • Ensure high‑quality outcomes even when not directly contributing code.

What success looks like:

  • Teams consistently deliver high‑quality software that meets user and client objectives.
  • Engineers become more autonomous, capable, and effective under your leadership.
  • Clients trust your judgment and rely on you for technical direction and clarity.
  • You demonstrate strong ownership of outcomes, proactively addressing risks.
  • You can step away from day‑to‑day coding without compromising delivery quality or team performance.

Requirements

  • 10–12+ years of experience designing and building complex, commercial‑grade software systems.
  • 4+ years leading Agile teams.
  • Expert‑level skills building production Android applications using Kotlin and Jetpack Compose.
  • Expert‑level skills building production iOS applications using Swift with SwiftUI and UIKit.
  • Experience in consumer banking, including account management and onboarding.
  • Familiarity with integrating RESTful APIs and third‑party libraries.
  • Understanding of mobile UI/UX principles and best practices for intuitive, engaging experiences.
  • Experience with agile development methodologies.
  • Knowledge of continuous integration and continuous deployment (CI/CD) pipelines for mobile applications.
  • Excellent communication skills with the ability to influence both technical and non‑technical stakeholders.
  • Bonus points:
    • Experience in fraud management, KYC, AML, and regulatory reporting.
    • Experience using on‑device biometrics for authentication.
    • Published app(s) on Google Play Store or Apple App Store.
    • Leverage AI‑assisted development tools (e.g., Claude, Claude Code, Copilot) to improve team velocity and code quality.
    • College degree in Computer Science or related field, or equivalent experience.

Schedule

This is an on‑site role, 5 days per week in the World Trade Center area of New York City.

Why Lab49

At Lab49 you’ll work on complex, meaningful challenges alongside talented engineers, designers, and consultants, gaining exposure to a wide range of technologies, business domains, and client environments. The firm values curiosity, judgment, and ownership, and fosters a supportive, inclusive environment that respects diverse backgrounds, identities, abilities, cultures, and traditions. Lab49/ION is committed to equal employment opportunity and a workplace free from discrimination and harassment.

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