Accomplished Senior Android Developer with 5 years of experience in designing and maintaining applications for e-commerce, inventory management, and logistics. Expertise in Java, Android SDK, Firebase, and AWS serverless technologies. Delivered production-ready mobile applications and scalable backend services while collaborating with stakeholders to resolve operational challenges. Currently advancing skills in Kotlin and Jetpack Compose.
Hi, I’m
Arun Essaki Raj
Android Engineer
Chennai
Summary
Overview
1
Certificate
6
years of professional experience
Work History
Nourisha Eats Pvt Ltd / Culinary Triangle Pvt LtdChennai
Senior Android Developer
08.2020 - Current
Job overview
- Continued with the same founding team through organizational transition from Culinary Triangle Pvt Ltd to Nourisha Eats Pvt Ltd.
- Designed and developed Android applications using Java and Kotlin.
- Built and maintained scalable mobile applications supporting daily business operations.
- Designed REST API integrations and backend communication layers.
- Developed and maintained AWS Lambda-based backend services.
- Designed DynamoDB data models and optimized access patterns.
- Worked closely with operations teams, founders, and stakeholders to transform manual workflows into digital solutions.
- Participated in architecture decisions across mobile, backend, and cloud systems.
- Improved application performance, reliability, and maintainability through continuous enhancements.
- Responsible for Android applications, AWS serverless backend services, POS systems, inventory management solutions, livestock sales platforms, and business process automation products across multiple business units.
Dosa Village Pvt LtdChennai
Android Developer Intern
01.2020 - 06.2020
Job overview
- Integrated push notifications into apps, enhancing user engagement through Firebase tools.
- Conducted application testing prior to final review, ensuring resolution of identified issues.
- Analyzed workflows to create logic for new systems, procedures, and tests.
- Developed comprehensive documentation for each app, outlining operations and features.
Education
SNS College of TechnologyCoimbatore
Master of Computer Applications
01-2020
University Overview
Kamaraj CollegeThoothukudi
Bachelor of Computer Applications
01-2018
University Overview
Skills
- Java and Kotlin
- Android SDK and Studio
- Jetpack components and Compose
- MVVM architecture
- REST APIs
- Application performance tuning
- DynamoDB optimization
- Agile methodologies
- AWS Lambda and API Gateway
- CloudWatch monitoring
- App performance monitoring
- SES and Pinpoint messaging
- Push notification services
- DynamoDB streams
- Room database integration
- API testing frameworks
- Android Studio IDE
Timeline
Senior Android Developer
Nourisha Eats Pvt Ltd / Culinary Triangle Pvt Ltd
08.2020 - Current
Android Developer Intern
Dosa Village Pvt Ltd
01.2020 - 06.2020
SNS College of Technology
Master of Computer Applications
Kamaraj College
Bachelor of Computer Applications
Accomplishments
Accomplishments
- Delivered and maintained multiple production Android applications supporting critical business operations.
- Built scalable AWS Serverless backend solutions serving Android applications.
- Developed barcode-driven workflows that improved operational accuracy and efficiency.
- Designed inventory and livestock management systems used across multiple business units.
- Worked directly with business stakeholders to digitize and automate operational processes.
- Contributed to end-to-end solution design spanning Android, backend, cloud, and operational workflows.
Languages
English
Advanced (C1)
C1
Tamil
Advanced (C1)
C1
Languages
Languages
- English
- Tamil
Projects
Projects
- TMC B2B Livestock Sales & Inventory Management Platform, Enterprise-grade Android application used for livestock procurement, inventory management, grading, sales operations, barcode tracking, financial reporting, and delivery center management., 2022 - Present, Java, Kotlin, Android SDK, Firebase, AWS Lambda, API Gateway, DynamoDB, Developed barcode-based livestock identification workflows., Implemented animal grading and pricing systems., Built inventory tracking and stock movement modules., Developed financial reporting and operational dashboards., Integrated AWS backend services., Designed scalable data retrieval mechanisms for large datasets.
- The MeatChop E-Commerce Platform, Android-based e-commerce application enabling customers to order meat products from multiple locations through a seamless online shopping experience., Android, Java, Firebase, REST APIs, Developed customer ordering workflows., Integrated payment and order management systems., Implemented product catalog and inventory synchronization., Optimized application performance and user experience.
- The MeatChop Partner (POS System), Android Point-of-Sale platform supporting inventory management, billing, reporting, and multi-store operations., Android, Java, Kotlin, Firebase, Developed POS billing workflows., Implemented receipt printing solutions., Integrated barcode scanners and weighing machines., Built inventory management modules., Created reporting and operational dashboards.
- The MeatChop Delivery Partner, Android application used by delivery personnel for order fulfillment and delivery tracking., Android, Java, Firebase, Developed order assignment workflows., Implemented delivery status management., Built performance tracking features., Integrated route and customer management capabilities.
- AWS Serverless Backend Services, Designed and maintained backend infrastructure powering multiple Android applications., AWS Lambda, API Gateway, DynamoDB, Node.js, CloudWatch, Developed AWS Lambda functions using Node.js., Designed DynamoDB schemas and indexing strategies., Built API Gateway integrations., Implemented event-driven workflows., Managed monitoring and troubleshooting using CloudWatch., Optimized backend performance and operational costs.
- Metiqra, AI-powered execution planner designed to help developers and builders convert goals into actionable execution plans., Kotlin, Jetpack Compose, Clean Architecture, AI Integrations