Results-driven Full-Stack Software Engineer, Mobile Application Developer, and AI/ML Engineer with hands-on experience designing, developing, testing, and deploying production-ready web, mobile, and AI-powered applications. Proficient in React.js, Next.js, React Native, Node.js, Java, Python, and Spring Boot. Experienced in machine learning model development, data analysis, and AI integration using OpenAI API and Google Generative AI. Skilled in cloud infrastructure, containerisation, CI/CD pipelines, and DevOps automation. Strong communicator with Agile/Scrum experience delivering scalable solutions from concept to production.
Sasuni Wijerathne
Full-Stack Engineer | Mobile Developer | AI/ML Engineer
Skills
Programming Languages
Advanced
- Java
- Python
- JavaScript
- TypeScript
- SQL
- HTML5
- CSS3
Frontend Development
Advanced
- React.js
- Next.js
- Redux
- Tailwind CSS
- Bootstrap
- Responsive Web Design
Mobile Development
Advanced
- React Native
- Expo
- Android Development
- NativeWind
- Cross-Platform Development
Backend Development
Advanced
- Spring Boot
- Node.js
- Express.js
- RESTful APIs
- Microservices
- WebSockets
Databases
Advanced
- MySQL
- MongoDB
- Firebase Firestore
- Query Optimisation
Artificial Intelligence and Machine Learning
Intermediate
- Pandas
- NumPy
- Scikit-learn
- OpenAI API
- Google Generative AI
- NLP
- Predictive Modelling
DevOps and Cloud
Intermediate
- Docker
- Kubernetes
- GitHub Actions
- CI/CD
- AWS EC2
- AWS S3
- Azure
- Nginx
Security
Intermediate
- Spring Security
- JWT
- OAuth2
- RBAC
- Data Encryption
Developer Tools
Advanced
- Git
- Swagger
- Postman
- Figma
- VS Code
- IntelliJ IDEA
- Android Studio
Methodologies
Intermediate
- Agile
- Scrum
- Test-Driven Development
- Object-Oriented Programming
- Design Patterns
Projects (5)
AGMS – Automated Greenhouse Management System
Jan 2026 - Current
- Java
- Spring Boot
- Spring Cloud
- Microservices
- Spring Cloud Netflix Eureka
- Spring Cloud Gateway
- Spring Cloud Config
- Spring Security
- JWT
- JPA
- MySQL
- WebClient
- IoT
- REST API
- Docker
Cloud-native microservices platform using Spring Boot and Spring Cloud, connecting to a live IoT API for real-time greenhouse sensor data, automated control rules, and crop inventory management across 7 independently deployable services.
DailyForge – Habit Tracking Mobile Application
Jan 2025 - Dec 2025
- React Native
- Expo
- JavaScript
- TypeScript
- React Navigation
- NativeWind
- Firebase Authentication
- Firebase Firestore
- Firebase Storage
- Firebase Cloud Functions
- React Context API
- React Hooks
- Expo Vector Icons
- React Native Chart Kit
- Expo Image Picker
- Android
- Cross-Platform
- Mobile Development
Cross-platform React Native mobile application for habit tracking, streak management, and community engagement. Features a GitHub-style contribution heat map, Embers Logic visualisation, a social community feed, and real-time Firebase sync. Distributed as an open-source Android APK.
- Built cross-platform React Native app with Expo for habit tracking, streaks, analytics, and community features.
- Implemented GitHub-style contribution heat map with Embers Logic for habit intensity visualisation.
- Integrated Firebase Authentication, Firestore, Storage, and Cloud Functions for real-time sync and secure data persistence.
- Built social community feed (The Public Anvil) with photo sharing, real-time updates, and sparking (likes).
- Published as open-source Android APK with full sideload installation support.
PropertyPulse – AI-Powered Real Estate Platform
Dec 2025 - Jan 2026
- React.js
- TypeScript
- Node.js
- Express.js
- MongoDB
- REST API
- OpenAI API
- Google Generative AI
- Stripe
- Tailwind CSS
- Docker
- GitHub Actions
- CI/CD
- RBAC
- JWT
Full-stack AI-powered real estate web platform managing 100+ property listings with automated price prediction, AI-generated descriptions, RBAC, and Stripe payment processing.
- Developed full-stack AI-powered real estate platform with 100+ listings, price prediction, and AI-generated descriptions using OpenAI API and Google Generative AI.
- Engineered RBAC and Stripe payment gateway integration, reducing unauthorised access incidents by 100%.
- Designed RESTful APIs with Node.js and Express.js, optimising MongoDB queries for 35% faster data retrieval.
Strategic Patient Risk Stratification System
Dec 2025 - Feb 2026
- Python
- Machine Learning
- Scikit-learn
- Pandas
- NumPy
- Matplotlib
- Seaborn
- NLP
- Predictive Modelling
- Data Science
- Classification
- Healthcare Analytics
Supervised machine learning classification system for predicting 30-day hospital readmission risk in diabetic patients, with a custom VCI scoring algorithm and interactive stakeholder dashboards.
- Trained and validated supervised ML classification model achieving 85% accuracy for 30-day hospital readmission risk prediction.
- Developed Vitality Complexity Index (VCI) algorithm integrating clinical, demographic, and historical data, improving precision by 30%.
- Produced 5+ interactive analytics dashboards reducing stakeholder decision-making time by 40% across 200+ patient records.
Bloggo – Enterprise Membership Blogging Platform
Aug 2025 - Sep 2025
- Java
- Spring Boot
- Spring Security
- MySQL
- JWT
- OAuth2
- WebSockets
- Swagger
- Microservices
- REST API
- OpenAI API
- RBAC
- Unit Testing
Scalable enterprise-grade Spring Boot backend with tiered memberships, AI-powered content generation via OpenAI, real-time WebSocket communication, OAuth2 social login, and 90%+ test coverage.
- Built scalable backend with tiered membership plans and OpenAI-powered content generation, reducing content creation time by 60%.
- Implemented WebSocket real-time communication and OAuth2 social login with full Swagger API documentation.
- Achieved 90%+ test coverage with Spring Security, JWT, and RBAC, reducing post-deployment bugs by 50%.
Volunteer
Jan 2026 - Current
Secretary
IJSE Student Committee
Managed 15+ student events and led a student body of 60+ members, coordinating academic and extracurricular activities.
Jan 2025 - Jan 2026
Vice Secretary
IJSE Student Committee
Supported committee operations, student engagement initiatives, and event coordination.
Jan 2025 - Jan 2025
Participant – Circle Edge 2025
Institute of Software Engineering (IJSE)
Participated in Circle Edge 2025, presenting the AutoTrade Vehicle Bidding Platform as a group project.
Jan 2025 - Jan 2025
Competitive Programmer – CodeRally 6.0 Hackathon
Informatics Institute of Technology (IIT)
Participated as a competitive programmer in the CodeRally 6.0 Hackathon at IIT.
Education (3)
2024 - Current
Higher National Diploma (HND)
Software Engineering
Institute of Software Engineering (IJSE)
- Higher National Diploma in Software Engineering
Grade: In Progress
2025 - Current
Certified Program (CAME)
Artificial Intelligence and Machine Learning
Institute of Software Engineering (IJSE)
- Certified AI and ML Engineer Program
Grade: In Progress
2021 - 2023
G.C.E. Advanced Level
Mathematics Stream with Information Technology
St. Paul's Milagiriya
- Mathematics
- Information Technology
- Combined Mathematics
Grade: Completed
Awards
2024
1st Place – GENESYS Hackathon
Institute of Software Engineering (IJSE)
Won 1st place representing Team CodeHub among 20+ competing teams at the annual GENESYS Hackathon.
Publications
Technical Articles on Medium in Medium
Published 10+ technical articles covering software engineering, mobile development, AI/ML, and full-stack development topics.
Languages
Sinhala
Native speaker
English
Professional working proficiency
References
“Founder, Director and CEO – SANS Technologies | +94 78 840 9788 | sans@sans-technologies.com”Udara San
“Software Engineer – AI, Sysco Labs | +94 71 761 5558 | dulan.herath@sysco.com”Dulan Herath