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 platform utilized in 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 of new 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, usability and 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
- 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.
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.
Skills Required
- 8+ years of experience designing and building complex, commercial-grade software systems
- Proficiency in Kotlin and native Android development tools, including Jetpack Compose
- Experience in consumer banking, including account management and onboarding
- Familiarity with RESTful APIs and third-party libraries
- Experience with agile development methodologies
- Knowledge of CI/CD pipelines for mobile applications
- Understanding of mobile UI/UX principles and best practices
- Excellent communication skills with technical and non-technical stakeholders
- Experience with fraud management, KYC, AML, and regulatory reporting
- Experience using on-device biometrics for authentication
- Portfolio of released applications on the Google Play Store
- Experience with AppConfig community standards and enterprise app distribution
- College degree in Computer Science or a related field, or equivalent experience
- Experience using AI-assisted development tools such as Claude, Claude Code, or Copilot
What We Do
Serving Luxembourg's IT needs since 2002, ION Group has focused its activities on 3 pillars: ION Home: IT services for home users. - Computer repair and maintenance - Network Setup - Internet Setup - Email and Hosting Services ION Pro: Maintenance for small and medium businesses - Server maintenance and setup - Network configuration and security - Workstation - Server and services hosting and housing ION Development - Website design and development - Custom application development (Web, Mobile, iOS, Android) - OpenSource software modifications








