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Salary
$160k – $180k per year
Location
In office (New York)
Seniority
Senior · 8+ years exp

Confirmed on the employer's own hiring board on Nov 5, 2026. First seen by Alion on Sep 17, 2026. ION Group scores C on the Alion truth index.

Overview
Company
Impact
Profile match
ION Group is a financial technology and data company headquartered in London that provides trading, analytics, treasury, commodities and core banking software, plus credit information services, to banks, central banks, trading firms, governments and corporations. Built largely through acquisitions, it reports more than 13,000 employees in over 80 offices serving some 4,800 customers, with businesses that include the Italian banking IT provider Cedacri, the capital markets consultancy Lab49 and the news service Debtwire. It hires Java, .NET, Python and React developers and consultants, graduate software, cloud and AI engineers, security and compliance specialists and financial reporters.

Lab49 is an award-winning specialist consultancy that creates bespoke technology in partnership with the most important companies in finance. We were founded in 2002 to bring Silicon Valley solutions to Wall Street’s door. Since then, we have worked on successive waves of technological change, including distributed computing, high-speed automation, enterprise UX and digital distribution (for which Lab49 was among the first significant practices established on Wall Street), DevOps, cloud and data science.

Today, we are an established partner in financial markets, having delivered hundreds of projects for clients including all the world’s tier-one investment banks and many of the largest buy-side firms globally.

Lab49 is currently looking for a Senior Android Developer who will play 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.

WHAT YOU'LL BE DOING

    • Design and build advanced applications for the Android platformutilizedin financial services
    • Work with team leadership, Product Owners, Designers, and other technologists to create software to be deployed in enterprise and public app stores based on business and technical priorities
    • Actively contribute to the adoption of robust software architecture, development and engineering best practices, and the adoption ofnew technologies
    • Break down complex problems into elegant technical solutions to intelligently solve problems for Lab49's clients
    • Utilize industry best practices to ensure code quality and robustness including edge cases,usabilityand general reliability
    • Advocate test-driven development and deliver high quality, resilient solutions
    • Resolve defects and enhance application performance by analyzing and optimizing code
    • This is an onsite role - 5 days/ week in the WTC are in NYC

WHAT YOU SHOULD HAVE

    • 8+ years of experience designing and building complex, commercial-grade software systems
    • Proficiency in Kotlin and experience with native Android development tools such as Jetpack Compose, Kotlin Coroutines, MVI
    • Experience in consumer banking including account management and onboarding.
    • 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.

BONUS POINTS

    • Experience in fraud management/KYC/AML and regulatory reporting
    • Experience using on device biometrics for authentication
    • A strong portfolio of released applications on the Google Play 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

WHY LAB49

    At Lab49, you'll work on complex, meaningful challenges alongside talented engineers, designers, and consultants. You'll gain exposure to a wide range of technologies, business domains, and client environments while continuing to grow your career.

    We value curiosity, judgment, and ownership. If you care about quality, enjoy helping others succeed, and want your work to have a meaningful impact, Lab49 is a place where you can thrive.

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