HARIKRISHNAN J
Senior Mobile Application Developer
Kollam
Summary
Experienced and dedicated Senior Mobile App Developer with impressive expertise in Native Android industry. Directs design, development and implementation of mobile applications and delivers products ahead of schedule. Strong application lifecycle skills and dynamic persona.
Overview
6
6
years of professional experience
3
3
years of post-secondary education
4
4
Certifications
Work History
Senior Android Developer
Hifx IT Media Services, Express Gateway Infopark
Kochi, Kerala
9 2023 - Current
- Developed in-app purchase SDK for M4Marry, supporting package selection and transaction management, including handling pending and slow transactions.
- Implemented real-time updates for pending transactions, enhancing user experience and security.
- Designed SDK for multi-language support and easy integration into other projects.
- Conducted extensive testing to ensure reliability across various transaction scenarios(slow test card).
- Implemented SSO library for Malayala Manorama apps, enhancing authentication processes and security. Reduced login time by 15% and improved authentication reliability by 25%.
- Conducted comprehensive testing including local unit tests, database tests, API validation, and shared preferences testing, leading to 35% reduction in post-release bugs and increased app stability.
- Developed internal applications using Jetpack Compose, including Notes and Photo Sharing apps, enhancing UI and improving user experience through modern, declarative UI frameworks.
- Actively collaborated with cross-functional teams during sprint planning, consistently achieving on-time and high-quality deliverables.
Android Developer
Hifx IT Media Services, Express Gateway Infopark
Kochi, Kerala
09.2022 - 08.2023
- Contributed to development of core features for M4Marry, catering to 1 million users.
- Developed 'Royale' version of M4Marry targeting celebrities for quick partner searches and matching
- Introduced Tele-Call Feedback form accessible via deep linking and push notifications, enabling users to rate their experience and improve customer interactions.
- Developed Message Center for users to view and filter all general notifications (dates, events, read/unread) in M4Marry app
- Improved Malayala Manorama News app performance 26% by fixing leaks and device specific issues
- Increased user engagement by 20% through strategic implementation of Push Notifications and Grouping for both light and dark modes
- Ensured meticulous technical documentation, optimizing code for clarity and future maintenance
- Conducted code reviews to enhance code efficiency before merging into development branches
- Delivered profiling and network inspection reports to top-level management promptly
- Conducted test case scenarios for each feature in the current sprint, ensuring successful QA handovers
- Actively engaged in sprint planning, issue tracking, and resolution using Jira Software
- Wrote complex logics as modular functions, enhancing the efficiency of local tests
Software Engineer
Lean Transition Solutions
Trivandrum
08.2020 - 09.2022
- Successfully led a team in the development of three major applications: 6SAlba, Touchpoint, and A-m8@UniSupport
- Guided the development of 6SAlba, resulting in a 30% increase in manufacturing productivity and enhanced workplace safety.
- Managed development of A-m8@UniSupport, facilitating adherence to prescribed daily routines for users with mental challenges
- Utilized Work Manager to transmit location and physical activity data from Google Fit to the server, offering timely notifications for data threshold deviations
- Devised and implemented a real-time notification system for users with sleeping disorders, promptly notifying them of phone activity during scheduled sleep hours
- Devised continuous location tracking using Foreground Services and Location Manager, notifying users with mental illness if their location becomes idle, improving location-based alerts by 35%.
- Integrated dynamic bar charts and insightful pie charts to visualize and analyze physical activity data sourced from Google Fit
- Created Touchpoint, an app that streamlined support sessions, improving booking, verification, management, recording, and claiming efficiency by 50%.
- Collaborated consistently with clients, designers, product owners, and associated business analysts, continuously adding and updating new features to existing applications.
- Worked with software development and testing team members to design and develop robust solutions to meet client requirements for functionality, scalability, and performance
Android Developer
Icelab Solutions
Kollam, Kerala
06.2018 - 08.2020
- Spearheaded development of eCallbot app, enabling 1000+ users to broadcast voice messages to designated telephone numbers, improving communication efficiency by 35%.
- Implemented AES Encryption and Decryption algorithms, enhancing data security by 50% and ensuring secure transactions across all user data.
- Utilized Mvp Architecture and Core Java for project setup and development, ensuring robust and scalable performance
- Integrated multi-language support across 2+ learning and booking platforms, expanding user accessibility, increasing user engagement by 20%.
- Transformed audio content selected from gallery and recorded via phone to comply with IVR guidelines, optimizing application for voice broadcasting purposes
- Successfully managed various external payment gateways and services, ensuring seamless transaction processes within app
- Handled app uploads and provided support in Google Play Console, ensuring 100% compliance with platform standards, achieving 98% approval rate on first submission.
Education
Bachelor of Technology (ECE) -
Kerala University
Kerala 01.2012 - 2016.04
Higher Secondary -
Amrita School Paripally
Kollam, Kerala 06.2010 - 04.2012
High School -
Amrita School Paripally
Kollam, Kerala 06.2009 - 04.2010
Skills
Kotlin
Java
Rest Apis
Jetpack Compose
Unit Testing
Google play store depoyment
Android SDK knowledge
Android development
Object-Oriented Programming
Software Development Tools: JIRA, Confluence
Agile
Teamwork and Collaboration
Problem-solving abilities
Code Review
Websites
Certification
Java Essential Training: Objects and APIs, Udemy, 07/01/2024
Timeline
Android Developer
Hifx IT Media Services, Express Gateway Infopark
09.2022 - 08.2023
Software Engineer
Lean Transition Solutions
08.2020 - 09.2022
Android Developer
Icelab Solutions
06.2018 - 08.2020
Bachelor of Technology (ECE) -
Kerala University
01.2012 - 2016.04
Higher Secondary -
Amrita School Paripally
06.2010 - 04.2012
High School -
Amrita School Paripally
06.2009 - 04.2010
Senior Android Developer
Hifx IT Media Services, Express Gateway Infopark
9 2023 - Current
Java Essential Training: Objects and APIs, Udemy, 07/01/2024
Jetpack Compose Crash Course, Udemy, 09/01/2023
Java-Web Internship, Quest Innovative Solutions, 06/01/2018
Java-Android Internship, CDAC Trivandrum, 06/01/2017
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