Thushani Kalamullage

Software Engineer with 7+ years of commercial experience, including 3+ years specialising in full-stack development, backend APIs and cloud-based applications. Experienced in building production software using Python, FastAPI, React, TypeScript, PostgreSQL and AWS. Professional experience includes developing an AI assurance platform, a pharmaceutical crime detection pipeline for the UK MHRA, and multilingual telecom customer-service automation.

Skilled across the full software development lifecycle, including requirements analysis, technical design, development, testing, deployment and production support. Holds an MSc in Data Science with Distinction.

Software Engineer - Trilateral Research Ltd - UK

(2023-05)

• Develop full-stack applications using Python, FastAPI, React and TypeScript, delivering frontend interfaces and REST APIs for AI assurance and sensitive-data workflows.
• Build backend services for STRIAD, a multi-tenant AI assurance and governance platform, using PostgreSQL and AWS Lambda to support compliance assessments, reporting and data management.
• Implement asynchronous AI processing with AWS Lambda, SQS and DynamoDB, integrating OpenAI to generate assessment content while keeping long-running work outside API requests.
• Work on authentication and authorisation using Amazon Cognito, JWT and role-based permissions to control access across organisations and users.
• Develop and optimise PostgreSQL queries for application workflows and reporting, using indexing and execution-plan analysis to investigate performance.
• Deliver a Python data pipeline for the UK MHRA, coordinating collection, scraping and analysis with AWS Step Functions and storing intermediate and final results in S3.
• Contribute to automated testing, CI/CD, technical documentation and production support, collaborating with cross-functional teams through Agile delivery.

Software Engineer - Dialog Axiata PLC - Sri Lanka

(2017-11 - 2021-10)

• Developed a multilingual customer-service chatbot for the Dialog Care app, supporting English, Sinhala and Singlish for account enquiries and self-service tasks.
• Built Java backend services and REST API integrations with internal telecom systems to support customer requests and value-added service activation.
• Worked with Spring Boot, Kafka, MongoDB, Redis and Dialogflow on message processing, session management and natural-language understanding.
• Collaborated with cross-functional teams to deliver customer-facing enhancements, applying unit testing and documentation to support maintainability.
• Implemented robotic process automation using UiPath and AI Center to automate routine operational workflows, contributing to requirements gathering and delivery.

Associate Software Engineer Intern - Pulz Technologies - Sri Lanka

(2016-10 - 2017-03)

• Contributed to a 3D avatar platform using C# and CUDAfy GPU parallel programming, working with senior engineers on rendering and system optimisation.

MSc - Data Science - University of Greenwich, UK (2021 - 2022)

Bachelor - Computer Engineering - University of Peradeniya, Sri Lanka (2014 - 2017)