Freelance Java Backend Developer Jobs in San Diego, CA

We are looking for a motivated Android Developer to join our mobile engineering team. In this role, you will contribute to the development of Android applications written primarily in Kotlin using modern Android technologies such as Jetpack Compose and MVVM architecture.

You will work closely with product managers, designers, backend engineers, and other mobile developers to deliver high-quality features that are used by real customers at scale. This role is well-suited for engineers early in their careers who are eager to grow their Android expertise while contributing meaningfully to a collaborative product team.

Location - San Diego (hybrid)

Let's talk about Responsibilities

• Collaborate with cross-functional partners (Product, Design, Backend, and Mobile engineers) to design and implement new product features

• Develop Android application features using Kotlin, Jetpack Compose, and modern Android architecture patterns (e.g., MVVM)

• Write clean, maintainable, and testable code following engineering best practices

• Participate in code reviews, sprint planning, and technical discussions

• Debug and resolve production issues, performance bottlenecks, and application crashes

• Contribute to improving application architecture, reliability, and maintainability

• Write and maintain unit tests and automated tests to ensure application quality

Let's talk about Qualifications and Experience
Required:

• Proficiency in Kotlin (preferred) or Java

• Experience building Android applications using modern Android development practices

• Solid understanding of:

  • Android architecture patterns (MVVM or similar)

  • RESTful APIs and networking

  • Concurrency and asynchronous programming (coroutines, flows, etc.)

  • Android app lifecycle and performance considerations

• Familiarity with Git-based version control workflows

Preferred:

• Bachelor's degree.

• 1-3 years of relevant Android development experience

• Experience with Jetpack Compose

• Experience writing unit tests or UI tests for Android applications

• Familiarity with CI/CD pipelines and modern development workflows

• Experience working in Agile/Scrum development environments

• Exposure to Bluetooth or device integrations

• Experience with backend-connected mobile applications (e.g., Firebase or other services)

We are shaping the future at ResMed, and we recognize the need to build on and broaden our existing skills and continue to attract and retain the world's best talent. We work hard to offer holistic benefits packages, provide flexible work arrangements, cultivate a workforce culture that allows employees to grow personally and professionally, and deliver competitive salaries to our team members. Employees scheduled to work 30 or more hours per week are eligible for benefits. This position qualifies for the following benefits package: comprehensive medical, vision, dental, and life, AD&D, short-term and long-term disability insurance, sleep care management, Health Savings Account (HSA), Flexible Spending Account (FSA), commuter benefits, 401(k), Employee Stock Purchase Plan (ESPP), Employee Assistance Program (EAP), and tuition assistance. Employees accrue fifteen days Paid Time Off (PTO) in their first year of employment, receive 11 paid holidays plus 3 floating days and are eligible for 14 weeks of primary caregiver or two weeks of secondary caregiver leave when welcoming new family members.

Individual pay decisions are based on a variety of factors, such as the candidate's geographic work location, relevant qualifications, work experience, and skills.

At ResMed, it is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range for this position is:$89,000 - $133,000

Joining us is more than saying "yes" to making the world a healthier place. It's discovering a career that's challenging, supportive and inspiring. Where a culture driven by excellence helps you not only meet your goals, but also create new ones. We focus on creating a diverse and inclusive culture, encouraging individual expression in the workplace and thrive on the innovative ideas this generates. If this sounds like the workplace for you, apply now! We commit to respond to every applicant.