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Thejan T.
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Thejan T.

Senior Android Developer

As a software engineering professional engaged in this field with a 100% success rate for more than 9 plus years, I have helped many customers solve their Android-related problems by providing innovative solutions that have helped them take their business to the next level. And I'm so good at what I do that you do not have to worry about anything. Because I always offer such quality and excellent solutions that no one else can do. I have extensive experience in developing interactive, user-friendly, and secure Android applications. STC, ikman ERP Mobile, Tuk Tuk tournament, Anim8 are the few applications that I have worked. Technical Skills Programming Languages & Frameworks: Kotlin, Java, Android Jetpack Compose, Flutter, Coroutines, Flow, Bloc pattern, Cubit, React Native Architectural Patterns: MVVM, MVP, MVC API & Data Management: RESTful APIs, GraphQL, JSON, XML, Retrofit2, OkHttp, Firebase UI/UX & Design: Material Design, DataBinding, LiveData, Navigation Component Testing & Debugging: Espresso, Mockito, JUnit4, adb Databases: SQLite, Room, ActiveAndroid Performance Optimization: Profiling tools, memory management, app startup time reduction, battery optimization Security: Encryption, OAuth, SSL pinning, secure data storage Backend Interaction & Cloud Services: AWS, Google Cloud, Firebase, WebSockets CI/CD & DevOps: Jenkins, GitLab CI, CircleCI, Docker, Kubernetes Version Control & Methodologies: Git, Agile, Kanban User Analytics & A/B Testing: Google Analytics, Firebase Analytics, Mixpanel Leadership & Mentorship: Team leadership, code reviews, mentoring junior developers Hardware Integration: Verifone Carbon 5, Sunmi P2 PR, Sunmi T2, EPSON TM-T88VI, EPSON TM-m30II, EPOS

🇱🇰Ragama, Sri Lanka$30/hr100% JSS4.89 (23)Since Sep 2015

Earnings and projects

MRR
$84

Last 6 months ÷ 6

World#139,181 / 412k
🇱🇰Country#524 / 1,581
Revenue, last 30 days
$100

Last 6 months: $504

World#91,754 / 412k
🇱🇰Country#354 / 1,581
Total earnings
$27k

Billed in all: $27k

World#118,363 / 412k
🇱🇰Country#378 / 1,581
Per project
$961

$504 in the last 6 months

World#126,997 / 412k
🇱🇰Country#286 / 1,581
Projects, last 6 months
1
100% fixed0% hourly
World#128,092 / 412k
🇱🇰Country#568 / 1,581
Projects in all
28

Across 35 contracts

77% fixed23% hourly
World#103,224 / 412k
🇱🇰Country#592 / 1,581

Earnings, last 30 days

$27.2k+$100 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$27,050$27,100$27,150$27,200Oct 8Oct 23Nov 7

Skill rankings: Top 20% in RESTful Architecture

Ranked by MRR among everyone on Upwork with the skill.

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  4. #35Location-Based Service138 freelancers · 🇱🇰 #1Top 25%
  5. #106Bluetooth244 freelancers · 🇱🇰 #1Top 43%
  6. #156RESTful Architecture795 freelancers · 🇱🇰 #1Top 20%
  7. #193Android SDK805 freelancers · 🇱🇰 #1Top 24%
  8. #362In-App Purchases1,101 freelancers · 🇱🇰 #2Top 33%