helitha@portfolio ~ bash
3+
years experience
10+
devs mentored
Colombo
remote-ready
remote-ready
location
01.
Skills & tech stack
18 technologies
Languages
JavaSQLPythonDart
Frameworks
Spring BootSpring SecuritySpring MVCHibernate/JPAJUnitFlutter
Backend & Infra
REST APIsSOAPMicroservicesNginxDockerLinuxCI/CD
Tools & Platforms
MySQLPostgreSQLAWSPostmanSwaggerGitJira
02.
Experience
3 roles · 3 yrs
Software EngineerApr 2025 – Present
PayMedia · Colombo, Sri Lanka
- Leading backend for live fintech products with core banking & payment API integrations
- Designed secure RESTful APIs for real-time transactions & fund transfers
- Mentored 10+ junior developers, improved code review turnaround & reduced recurring bugs
- Configured Nginx for reverse proxy, load balancing & SSL/TLS across UAT & production
- Drove architectural decisions ensuring 90–100% on-time delivery of critical releases
Associate Software EngineerMay 2023 – Apr 2025
PayMedia · Colombo, Sri Lanka
- Integrated DirectPay IPG for secure card onboarding & tokenization
- Implemented Biller Switch API for real-time bill payments via bank accounts & stored cards
- Deployed Spring Boot apps across cloud and on-prem multi-tier architectures
- Built & maintained backend services for digital payment products across multiple core banking systems
Software Engineer InternNov 2022 – Apr 2023
PayMedia · Colombo, Sri Lanka
- Built RESTful services & micro-features for financial applications using Java & Spring Boot
- Collaborated with senior engineers to debug production issues & improve performance
03.
Education
2 qualifications
B.Sc. (Hons) in Software Engineering (Top-Up)2024 – 2025
Cardiff Metropolitan University
2.2 — Second Class LowerTop-Up DegreeUK Accredited
Graduate Diploma in Software Engineering (GDSE)2021 – 2023
Institute of Software Engineering (IJSE) · Sri Lanka
Graduate DiplomaFull StackSoftware Engineering
04.
Projects
3 projects
Next.js
De Silva Auto Tech
Freelance — a bilingual business website for an automotive service company. Clean, fast, and fully deployed on Vercel.
Next.jsVercelFreelance
Flutter
GhostLayer
A lightweight macOS overlay that stays hidden during screen sharing & recording. Features sticky notes, images, grids, and privacy mode. Built fully with vibe coding via Cursor.
FlutterSwiftmacOSVibe coded
Python
Gem Price Prediction
Final year project — users enter gem attributes (cut, carat, clarity, etc.) into a form and the system returns a predicted market price in real-time using a trained ML model.
Pythonscikit-learnFlaskReact
05.
Contact
Let's build something great together.
Open to full-time backend roles and freelance projects. I'm most excited about fintech, payments infrastructure, and systems that need to be both fast and correct.