James Roberts

• Contribute in leading the development of mobile applications
• Collaborate with other software engineers to integrate existing technologies
• Work closely with other team members, coaching, mentoring, and providing feedback
• Implement best practices in mobile development, increasing customer satisfaction

• Lead mobile engineering team, delivering high-quality apps with measurable performance improvements
• Oversee project timelines and milestones, ensuring timely and efficient delivery of mobile solutions
• Mentor and support team members, fostering a collaborative and innovative work environment
• Implement best practices in mobile development, achieving significant increases in user engagement
• Improved project test coverages from 0 to 45% and implemented the use of feature flags to increase the quality and stability of releases
• Created a standard for observability and traceability throughout the mobile projects to understand how our apps are performing

• Led Android team to deliver high-quality app features, increasing user engagement by 27%
• Developed a new rewritten Android app, boosting Play Store rating from 2.2 to over 4 stars
• Optimized app performance and enhanced UI/UX for improved user experience
• Collaborated with cross-functional teams for seamless app updates
• Analyzed user feedback to implement improvements, significantly increasing user satisfaction
• Hired, onboarded and mentored new engineers on the team

• Developed and maintained Android apps, enhancing user experience and performance
• Collaborated with teams to deliver new features, improving app functionality
• Conducted code reviews to ensure a high-quality, maintainable codebase
• Resolved issues to reduce app crashes and improve stability
• Implemented automated testing, increasing code coverage and reliability

• Developed cutting-edge Android applications, integrating new technologies to enhance user experience and app functionality
• Optimized app performance, reducing load times and improving user retention rates through data-driven enhancements
• Conducted thorough code reviews and implemented best practices, significantly reducing bug rates in production releases
• Pioneered adoption of new Android frameworks, positioning the company at the forefront of mobile development trends

• Led and developed a cross-functional team of 10-15 associates spanning sales, service, merchandising, and operations
• Provided ongoing coaching, feedback, and performance management to grow associates and support their development
• Owned store budget and performance metrics, developing and executing strategies to meet operational targets
• Managed daily operations and staffing levels, analyzing and presenting business results to the general manager and other stakeholders

Moonlet Labs | moonletlabs.com

Independent Android studio. Designed, built, and shipped 18 utility apps and logic puzzle games solo on Google Play with Kotlin and Jetpack Compose.

Porthole | github.com/gravityrepos/porthole

Open-source, debug-only agent that runs inside an Android app and reports what recomposed and why, which frames dropped, and what is blocking the main thread. Kotlin, Compose, MCP.

Failure Case | youtube.com/@FailureCase

YouTube channel of engineering postmortems, produced with Slate, a Claude-driven pipeline that automates research, fact-checked scripts, narration, Remotion renders, and scheduled publishing.