Senior Android Engineer

What’s the role?As a Senior Android Engineer at Bilt, you'll be instrumental in designing and building the mobile experiences that millions of our users rely on every day. You'll work on Android apps and SDKs that power our payment applications across a variety of devices and form factors, from consumer mobile phones to specialized POS terminals.
In this role, you will… 

• Design, build and maintain Android apps and SDKs that serve millions of Bilt members
• Develop Android payment applications for a variety of devices and form factors, ensuring seamless user experiences
• Work with engineers, product managers, designers, and stakeholders across the company to bring new features and products to Bilt's users
• Collaborate with Android developers who work on the Bilt POS Terminal to set best practices for Android development across the company
• Work with product design to understand users and address their needs through elegant technical solutions
• Write testable, maintainable code that adheres to best practices and architectural patterns

Who you are: You have a strong technical foundation in Android development and a passion for building elegant, performant mobile applications. You understand that great software is not just about writing code—it's about solving user problems, collaborating with cross-functional teams, and maintaining high standards for quality and user experience. You thrive in a fast-paced startup environment where flexibility and adaptability are key to success.
In terms of qualifications, we’re seeking:

• 6+ years of experience in Android development using Kotlin, with a strong technical background building production applications
• Strong knowledge of architectural patterns such as MVVM, MVP, or Clean Architecture
• Solid experience with the Android SDK, Android Studio, and the full mobile development lifecycle
• Jetpack proficiency - Compose, ViewModel, Room, Navigation, Lifecycle
• Strong UX design skills, problem solving, and troubleshooting skills
• Ability to articulate the benefits and challenges of depending on front-end libraries, frameworks, and tool-sets
• Familiarity with RESTful APIs, JSON, and common Android networking libraries (e.g., Retrofit)
• Ability to write testable code and maintain high code quality standards
• Custom hardware experience on Android platform
• Great interpersonal skills with a team-player disposition
• Knowledge of the start-up world preferred
• A burning desire to win and reach overall company goals
• Flexibility - we are disrupting an industry so changes to traditional processes should be expected

Preferred qualifications:

• Experience working with applications on POS devices (Ingenico, Verifone, PAX etc)
• Experience in EMV, NFC, and ISO 8583 protocols for secure transactions
• Experience with cryptographic security concepts like DUKPT, AES, RSA, and HMAC
• Familiarity with security best practices in mobile app development

Benefits:

• Compensation - We offer a competitive salary with a meaningful stake in the company via equity and our performance bonus program
• Health insurance for you (& your loved ones) from day one - Enjoy a One Medical Membership, wellness stipends, family programs and more, on us. We’ve got you and your family covered from day one.
• 401k plan with a match - Retirement may feel more like a pipe dream than a reality but we’re here to help you get there.
• Commuter FSAs - We believe the best ideas come from being together in one place. We just don’t think getting there should be so expensive.
• UNLIMITED PTO - Because we believe that working hard shouldn’t mean always working. Take time for you as often as you need it.
• Exclusive Employee only Bilt Points - We give our employees unique opportunities to earn points throughout their time at Bilt.
• Team Events - We believe in human connection so we hold events to help our employees break from the monotony of the typical work week.

At Bilt Rewards, we believe in transparency and we do our best to make sure the company and our candidates are on the same page as it relates to compensation. In addition to posting salary ranges for our open roles, candidates should expect to be asked about compensation expectations and requirements early on in their interview process. Our goal is to highlight when expectations and Bilt’s salary range may be out of sync, and work with the candidate to determine whether it makes sense to continue conver