Senior Software Engineer - Android

About Beta Bionics

Beta Bionics, Inc. is a medical technology company dedicated to bringing innovative type 1 diabetes management solutions to the many, not the few. We are committed to bringing better access to better solutions – and a better life for those living with diabetes – with the world’s first bionic pancreas called the iLet. The iLet Bionic Pancreas is the first and only insulin delivery system that does not require carb counting*, bolusing, correction factors, or pre-set basal rates. The only number needed to get started with the iLet Bionic Pancreas is a user’s weight – the iLet does the rest. The iLet lets users “Go Bionic” with their diabetes management.
*User must be carb aware.

Successful candidates will be working with highly experienced colleagues, who are amongst the best in their fields. We have a mission-driven, passionate and collaborative culture where you will have a high degree of empowerment and opportunity to make a significant impact.

Location - San Diego, CA. This is an on-site/in-person role.

Summary/Objective

We are seeking a Senior Android Software Engineer to design, build, and maintain high-quality Android applications that are an integral part of our medical device ecosystem.

In this role, you will work at the intersection of mobile software, connected medical devices, and patient care. You will collaborate closely with embedded software, cloud, systems engineering, cybersecurity, quality, regulatory, product, and clinical teams to develop reliable software that meets both user needs and the rigorous quality expectations of a regulated medical device environment.

The ideal candidate is an experienced Android engineer who combines strong software engineering fundamentals with a disciplined approach to architecture, testing, reliability, and documentation. You should be comfortable owning technically complex features from requirements and design through implementation, verification, release, and post-market support.

Essential Duties and Responsibilities

[Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. Qualified candidates who need a reasonable accommodation with the application process and/or to perform the essential functions of the position should notify the company’s HR contact]

• Design, develop, test, and maintain Android applications using Kotlin,
• Own the architecture and implementation of complex features.
• Develop robust application architectures with an emphasis on reliability, maintainability, performance, security, and testability.
• Work with technologies such as Bluetooth Low Energy (BLE) and other communication protocols to reliably exchange data with connected devices.
• Collaborate with systems and embedded engineers to define and implement interfaces between Android applications and medical device hardware.
• Translate product and system requirements into clear designs, implementations, and tests.
• Develop comprehensive unit, integration, automated, and system-level testing to ensure software quality.
• Participate in design reviews, code reviews, risk analyses, technical investigations, and root-cause analysis.
• Identify potential software hazards and failure modes and contribute to risk-control strategies.
• Develop software in accordance with the company’s quality management system and software development lifecycle (SDLC).
• Produce and maintain technical documentation and design artifacts appropriate for regulated medical device software.
• Partner with Quality, Regulatory, Cybersecurity, and Systems Engineering teams to support design controls, verification and validation, regulatory submissions, and audits.
• Investigate field issues, analyze logs and telemetry, determine root causes, and implement effective corrective actions.
• Evaluate new Android technologies and determine when they are appropriate for use in a safety- and reliability-focused product environment.

Required Education and Experience

• Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, or a related technical discipline, or equivalent professional experience.
• 7+ years of professional software development experience, including significant experience developing production Android applications.
• Advanced proficiency with Kotlin and the Android SDK.
• Strong understanding of modern Android architecture and development practices, including Android Jetpack libraries, Jetpack Compose, Kotlin Coroutines and Flow, dependency injection, and lifecycle-aware application design.
• Strong knowledge of software architecture, object-oriented design, concurrency, asynchronous programming, and API design.
• Experience designing applications that communicate with external hardware, peripherals, or connected devices.
• Experience developing automated unit and integration tests and designing software for testability.
• Experience diagnosing complex software issues using logs, debugging tools, telemetry, and systematic root-cause analysis.
• Strong understanding of Git-based development workflows, code review, CI/CD, and modern software engineering practices.
• Excellent written and verbal communication skills and the ability to collaborate effectively across engineering and non-engineering disciplines.

Preferred Experience and Qualifications

• Experience developing software for medical devices, digital health products, or other regulated or safety-critical systems.
• Familiarity with medical device software development standards and regulations, such as IEC 62304, ISO 14971, IEC 62366, FDA Quality System requirements, and applicable cybersecurity guidance.
• Experience with Bluetooth Low Energy (BLE) communication, including connection management, GATT services, data transfer, and troubleshooting.
• Experience implementing secure device communication, authentication, encryption, certificate management, or other mobile cybersecurity controls.
• Experience with Android applications that must operate reliably under challenging conditions such as intermittent connectivity, background execution restrictions, device restarts, and OS upgrades.
• Experience with mobile application performance optimization, memory management, battery consumption, and reliability.
• Experience integrating Android applications with RESTful APIs and cloud-based services.
• Familiarity with software risk management, requirements traceability, design controls, verification and validation, and defect management.
• Experience supporting regulatory submissions or responding to software-related questions from regulatory agencies.
• Experience mentoring engineers or serving as a technical lead.

Work Environment and Personal Protective Equipment

• This job operates in a professional office environment. This role routinely uses standard office equipment such as computers, phones, photocopier, and scanners.

Physical Demands

• While performing the duties of this job, the incumbent is regularly required to be independently mobile. The employee is also required to interact with a computer, and communicate with co-workers.

Location

San Diego, CA. This is an on-site/in-person role.

Salary Range

$130,000 - $165,000

Benefits

• Comprehensive medical and dental coverage
• FSA and HSA Plan Options, including an annual company contribution to the HSA
• 401(k) program with employer match
• Generous vacation accrual and paid holiday schedule

Equal Employment Opportunity Statement

It is the policy of Beta Bionics to provide equal employment opportunity to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, Beta Bionics will provide reasonable accommodations for qualified individuals with disabilities.