Bawantha Rajapaksha
Sydney,NSW
Summary
Experienced Android Engineer with over five years of expertise in developing high-quality mobile applications. Specializes in secure, performant mobile apps with a focus on modern software architecture, UI/UX optimization, and rigorous testing practices to deliver smooth and accessible user experiences. Proficient in Kotlin, Coroutines, and MVVM principles to build responsive, secure, and scalable mobile solutions.
Overview
6
6
years of professional experience
1
1
Certification
Work History
Mobile Application Developer
Summon AI
07.2024 - Current
- Developed a Android app using WebRTC for peer-to-peer (P2P) live-streaming, enabling low-latency communication and real-time media processing.
- Developed and optimized a CI/CD pipeline using Fastlane for seamless automated releases to Play Store.
- Integrated the RevenueCat SDK into Android , increasing in-app purchase revenue by 20% and streamlining payment functionalities for a seamless user experience.
- Utilized Algolia to optimize Android search functionality, leading to boost in user engagement and improved search experience.
Senior Mobile Engineer
Grubtech
07.2023 - 07.2024
- Enhanced user experience by integrating Global payments SDK with Android app POS, resulting in an increase in mobile POS payments, driving business revenue.
- Enhanced ADNOC's mobile app security by implementing OWASP Mobile Security Testing Guide (MSTG) best practices and using SAST tools, achieving significant security improvements within six months
- Automated 40% of the regression test suite using Android with Espresso in Firebase Test Lab , enhancing test coverage and reliability.
- Managed multiple projects simultaneously under tight deadlines, ensuring timely delivery of quality products.
- Drove process improvements within the engineering team by adopting agile methodologies such as Scrum or Kanban for project management.
- Conducted code reviews and PR reviews for junior developers and peers.
Senior Software Engineer
Codegen
03.2021 - 07.2023
- Designed and developed the TravelBooker mobile app , enabling seamless itinerary management and booking for users on-the-go.
- Implemented a user-friendly interface using Kotlin and MVVM architecture , ensuring a smooth and intuitive experience.
- Integrated real-time booking updates and third-party API connectivity, reducing booking processing time by 30% .
- Optimized travel location search backend by integrating Elasticsearch and Redis, reducing data retrieval latency by 38% and improving overall system responsiveness.
- Managed multiple projects simultaneously while maintaining strict deadlines and high-quality standards.
- Maintained comprehensive documentation of development work, facilitating knowledge sharing among team members.
- Enhanced software functionality by identifying and resolving complex technical issues.
Software Developer
Software Developer
01.2021 - 05.2021
- Converted a React web app to Dart for Flutter Web, improving app performance and user experience.
- Integrated AWS services for secure data handling and mobile app performance enhancement.
- Improved software efficiency by troubleshooting and resolving coding issues.
- Saved time and resources by identifying and fixing bugs before product deployment.
Software Developer
Riora Innovations
01.2019 - 03.2020
- Created SMS scheduling app with Android + XML
- Engineered a suite of mobile applications using Android best practices, reducing crash rates by 20% through rigorous testing.
- Developed an Flutter app promoting hand hygiene during COVID-19, resulting in over 10,000 downloads.
- Saved time and resources by identifying and fixing bugs before product deployment.
Associate Software Engineer
Mitra AI
06.2019 - 12.2019
- Developed a real-time open navigation system using Wi-Fi connecting an Android application with a Raspberry Pi for seamless IoT communication and control.
- Participated in sprint planning sessions by estimating task complexity and prioritizing work items.
- Customized Apache Superset to develop a scalable Data Viz platform, resulting in a 30% increase in data visualization efficiency within 6 months.
Education
Bachelor of Science - Computer Science And Engineering
University of Moratuwa
Colombo,LK07-2021
Skills
- Android Development
- Back end development
- Cloud Computing
- Mobile Offline storage techniques
- Adaptive layout design
- App performance optimization
- Mobile analytics integration
- Mobile OWAZP Security
- Streamlined Payment Integration
- Mentored Junior Developers
Certification
- AWS Certified Architect – Associate - Amazon Web Services (AWS).
IEEE Best mobile game 2021- Runners up
HAKTHAON ORGANISED BY IEEE COMPUTER SOCIETY SRI LANKA
Timeline
Mobile Application Developer
Summon AI
07.2024 - Current
Senior Mobile Engineer
Grubtech
07.2023 - 07.2024
Senior Software Engineer
Codegen
03.2021 - 07.2023
Software Developer
Software Developer
01.2021 - 05.2021
Associate Software Engineer
Mitra AI
06.2019 - 12.2019
Software Developer
Riora Innovations
01.2019 - 03.2020
Bachelor of Science - Computer Science And Engineering
University of Moratuwa
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