Resume – Umasuthan

Experience

January 2025 - Present

iCan Lanka (PVT)Ltd - Colombo

Senior Software Engineer

Working as a full time Java backend developer with iCan mall, iCan Eats, iCan Rider iCanX and some other micro web applications developed in Java and Spring boot.

Led and mentored a team of 3 junior developers, improving team velocity and code quality through pair programming and technical reviews.
Owned the development and operational health of 4 core applications (E-commerce, Food Delivery, Digital Menu, Rider Service) handling daily transactions.
Architected and implemented a new caching layer using Redis, reducing API response times for product listings by 35%
Spearheaded key integrations for new business verticals: connected iCan Fly to Sabre GDS for flight bookings and developed a blockchain-based staking feature for the C2C platform to enable crypto interest earnings.
Optimized complex SQL queries and introduced database indexing strategies, decreasing report generation time by over 50%.
Established a monitoring dashboard with Prometheus and Grafana, reducing Mean Time to Resolution (MTTR) for production incidents by 30%
Deployed and managed backend service on Alibaba Cloud using Docker and Container Registry

February 2023 – December 2024

iCan Lanka (PVT)Ltd - Colombo

Software Engineer

Working as a full time Java backend developer with iCan mall web application developed in Java and Spring boot.

Developed and shipped major features for the iCan Mall platform, including a voucher campaign system that increased user engagement by 20%.
Built automated data processing pipelines for generating business reports (CSV, XLSX) and bulk product imports, saving over 10+ person-hours per week
Contributed to the backend of a chat application (iCanX), focusing on stability and bug fixes, reducing critical issues by 75%.
Designed and developed the "Business" micro-application (Find Nearby Businesses) from concept to deployment, integrating it into two main platforms.
Implemented Elasticsearch for the product catalog in iCan Mall, improving search relevance and reducing query response times from 2 seconds to under 200ms for complex search filters.

November 2021 – January 2023

Invicta Innovation (Pvt)Ltd. – Jaffna

Software Engineer

Worked as full-time developer with Travis Perkins (UK) POS & ERP are developed in Rocket Universe Native Architecture.

Developed and maintained features for a large-scale, legacy POS and ERP system, focusing on supply chain and inventory management modules.
Engineered a new customer information management screen, centralizing critical contact data and reducing data entry errors.
Automated key inventory reporting by creating a program that generated daily stock variance summaries, cutting down manual reporting time by.
Built a bulk data import utility to process CSV files and update inventory levels, reducing the time for stock updates from hours to minutes.
Gained foundational experience in full lifecycle engineering, including estimation, release management, and deployment.

March 2021 - September 2021

Samuel Gnanam IT Center - Jaffna

Industrial Trainee

Developed Defect Tracker System

Project Description: A Defect tracking and reporting tool suitable for all kind of software companies.
Role Played: Trainee Software Engineer.
Responsibilities:Back-End development (i.e. Developed APIs for get, post, delete, update, image upload and mail sent) Create database based on the requirements Lead Review, Release Process (Branch, Merge, Release Tags Responsibilities).
Technologies used: Back-End – Java, Spring Boot, MySQL

June 2016 - January 2017

Extreme SEO Internet Solutions - Vavuniya

Internal Officer

Used google ad-words and other platforms to perform detailed keywords research in order to identify and analyze current market trends
Developed and implemented Digital Marketing Strategies which significantly increased the website’s ranking and attracted more potential customers to the website
Managed Social Media Campaign and reviewed all website content in order to optimize it
Designed attractive images, brochures, info-graphics and additional marketing materials.

Education

2023 - present

University of Westminster, London

MSc in Advance Software Engineering

Mobile Application Development

Concurrent and Distributed Systems

Advanced Software Design

Enterprise Application Development

Usability and User Experience Design

Cloud Computing Applications

Data Mining and Machine Learning

2017 - 2022

Trincomalee Campus of Eastern University, Sri Lanka

Bachelor of Computer Science

Learned basic programming concepts such as Loops, Decision making, array.

Data Structures and Algorithms such as Stack, Queue, LinkedList.

OOP concepts.

Project management.

System analysis and design.

Professional issues in IT – British Computer Society standards.

2016(January - June)

Technical College, Vavuniya

Computer Network Technician (NVQ Level 04)

Learned Topologies, IP configuration, access point and router configuration Client-server architecture Peer-peer architecture, Server configuration with Widows server 2008 r2

2014(July - December)

National Youth Training Center

ICT Technician (NVQ Level 04)

Learned basic programming concepts

2014(July - December)

National Youth Training Center

Computer Hardware Technician (Certificate Program)

Learn to assemble the computer system and identify the problem in computer hardware and fix that