Responsibilities:

Implementing new features
Fixing bugs
Collaboration with the team
Implementing deep link features
UI Improvement

Key Responsibilities & Achievements:

• Developed and maintained scalable backend services for Rokomari’s e-commerce platform using Java, Spring Boot, JSP, and jQuery.
• Designed and built a custom report generation system to calculate total sales and revenue, with dynamic filtering by category, brand, and date range — a complex feature critical to business insights.
• Faced and overcame performance bottlenecks: initially, database queries for large datasets took over a minute to load; optimized the system using multi-threading and query optimization to fetch and process millions of rows efficiently.
• Improved backend performance by reducing data load time from over 1 minute to under 10 seconds for large-scale reports.
• Integrated RESTful APIs to power internal dashboards and external features, ensuring clean design, robust error handling, and security.
• Worked closely with cross-functional teams (Frontend, QA, Product) to gather requirements, conduct code reviews, and ensure smooth deployment cycles.
• Followed best practices for clean code, reusable components, and scalable

Key Responsibilities & Achievements:

• Contributed to the Findit mobile app, a large-scale marketplace platform,
  using Flutter and Dart with Clean Architecture and MVVM principles.
• Delivered major features including debounced search with BLoC, optimized
  filtering, and UX improvements for OTP autofill, significantly enhancing user
  experience.
• Led efforts in refactoring legacy code, improving maintainability, modularity,
  and testability across the app.
• Enhanced UI performance with shimmer loading effects, improved navigation
  transitions, and animation polish.
• Built business-impacting features such as Star Seller, helping increase
  visibility and drive product conversions.
• Regularly fixed critical bugs, improved performance, and maintained code quality through version control and collaboration workflows.

• Write and publish scholarship articles.
• Maintain ISNPO sites.

Key Responsibilities & Achievements:

• Created a comprehensive online course titled "Android App Development:
  Basic to Advanced", focusing on real-world app-building using Java, SQLite,
  Firebase, and Android Studio.
• Designed and delivered high-quality video content covering core Android
  development concepts, best practices, and hands-on project implementation.
• Successfully trained over 650+ students, helping beginners transition into
  skilled app developers.
• Provided continuous guidance and mentorship, reviewing student projects,
  giving personalized feedback, and supporting them through a structured
  learning journey.
• Engaged with learners through Q&A sessions, comment replies, and live
  guidance, ensuring a supportive and active learning environment.
• Helped many learners build their portfolios and prepare for freelance and job
  opportunities in the mobile app development field.
  View Course on Instructory: https://instructory.net/courses/android-app-
  development-course-basic-to-advanced-2
  Rokomari.com
  Back End Developer
  Page
  2

• Share scholarships post on Facebook
• Maintain ISNPO Facebook page

• Deliver postpaid sim
• Create personal SIM with user choice.