01 / Mobile
Geethika
A Sinhala hymns and Bible quotes application, bringing devotional content into a mobile experience.
HELLO, I’M
Ranushka Sankalpa
I build reliable backend systems, intuitive web experiences, and useful mobile applications.
Tampere, Finland
Portrait unavailableTECH I WORK WITH
Java
Go
JavaScript
TypeScript
Dart
Python- SQL
- ABAP
C
PHP
Spring Boot
Node.js
Express.js- REST APIs
- Microservices
Angular
React
Next.js
HTML
CSS
Flutter- React Native
Expo
Swift
Oracle
PostgreSQL
SQLite
Firebase Firestore- Firebase Realtime Database
Google Cloud Platform- Cloud Run
- Cloud SQL
- Firebase
Vercel
AWS
Azure
Docker
Kubernetes
Git- CI/CD
Linux- Firebase Authentication
- JWT
- OTP Authentication
- Secure API Development
TensorFlow
Keras- Convolutional Neural Networks (CNNs)
Cloudflare R2- Firebase Storage
- SAP Basis
- SAP ABAP
Google Play Console- Android App Releases
- Closed Testing
Figma
Adobe XD
Photoshop
01 / SELECTED WORK
Selected projects.
Applications, interfaces, and the
engineering that brings them together.
02 / Mobile
Day Quota
An offline work-hours tracker with daily targets, summaries, and exportable reports.
03 / Mobile
Mobile · Full-stack applicationScreenshot pending ↗
Budget Mate
An income, expense, and savings application built with Flutter, Node.js, and PostgreSQL.
04 / Web
Chamos Kitchen
A website developed for a restaurant in Tampere, Finland, showcasing Sri Lankan food, takeaway, and catering.
05 / Web
The Gallery Cafe
A restaurant management application with reservations, order tracking, inventory, and an analytics dashboard.
06 / Mobile
Dog Food Finder
An Android application for discovering dog food products, managing profiles, and keeping a shopping cart.
02 / BEHIND THE WORK
Practical thinking.
Useful software.
I’m Ranushka, a software engineer based in Tampere, Finland.
My work connects dependable backend systems with the people who use them. I focus on Java and Spring Boot development, full-stack applications, and mobile experiences.
My experience spans financial applications, vehicle rental systems, enterprise software, and quality assurance. I enjoy the details that make software clear, useful, and maintainable.
Download my CV ↗Backend
21 technologies- Java
- Spring Boot
- Go
- Node.js
- Python
- Microservices
- PHP
- REST APIs
All technologies in this category21
- Java
- Go
- JavaScript
- TypeScript
- Dart
- Python
- SQL
- ABAP
- C
- PHP
- Spring Boot
- Node.js
- Express.js
- REST APIs
- Microservices
- Firebase Authentication
- JWT
- OTP Authentication
- Secure API Development
- SAP Basis
- SAP ABAP
03 / THE JOURNEY
Experience.
From testing foundations
to production engineering.
A path through softwareMost recent first
- Self-directed projects
Independent Mobile App Developer
Building and publishing mobile apps—from concept and interface design to development, testing, and Google Play delivery. Projects include Day Quota, Geethika, and Budget Mate.
Projects and responsibilities
- Built Day Quota and Geethika, focusing on intuitive interfaces and practical user needs.
- Developed apps using Flutter and Dart, integrating Firebase and backend APIs where required.
- Implemented content browsing, search, saved content, and prayer requests with admin approval for Geethika.
- Managed release builds, store listings, testing, and app updates.
- Developed Budget Mate with a Node.js backend and PostgreSQL for tracking income, expenses, and savings.
- Jan 2025 — Apr 2025
Ethera Api Organization, Finland
Volunteer Mobile App Developer
Developed and enhanced cross-platform mobile application features using React Native, as documented in the supplied CV.
Latest role - Jan 2024 — Aug 2024
Coduza (PVT) LTD
Back-end Software Developer
Built the backend of an online vehicle rental system with Go and PostgreSQL. Integrated Converge payments and developed APIs for driver, vehicle, and user management.
Career milestone - Jun 2022 — Aug 2024
Hitachi DPS (PVT) LTD
Software Engineer
Developed banking and payment solutions with Java, Spring Boot, and Angular. Designed payment gateway APIs, optimized Oracle queries, and containerized applications with Docker.
Career milestone - Aug 2021 — May 2022
HCL Technologies
Software Engineer
Worked on the Fonterra project, supporting SAP Basis systems and developing SAP ABAP applications for business process automation.
Career milestone - Feb 2018 — Aug 2018
Epic Technologies
Software Quality Assurance Intern
Tested banking applications and iOS/Android apps. Used Selenium and JUnit, tracked defects, and performed regression, functional, and performance testing.
Career milestone
The foundations of my engineering journey
EDUCATION & RESEARCH
Built on
knowledge.
A journey from IT foundations to advanced software engineering.
02 / Postgraduate
Masters in Advanced Software Engineering
University of Westminster - United Kindom
May 2022 — Aug 2024RESEARCH SPOTLIGHT
Advanced software engineering
Postgraduate research details are awaiting confirmation.
Details pending01 / Undergraduate
BSc (Hons) in Information Technology
RESEARCH SPOTLIGHT
IEEE publicationBachelor’s research
MOOCs Recommender based on User Preference and Video Quality
Research into recommending online courses around learners’ preferences, learning styles, and video quality, helping people find courses that suit how they learn.
2020 2nd International Conference on Advancements in Computing (ICAC) · pp. 79–84
DOI: 10.1109/ICAC51239.2020.9357278 ↗LET’S START A CONVERSATION
Let’s build
something useful.
Have a product in mind or an engineering challenge?
I’d love to hear about it.