Ruslan Gunawardana

Led backend modernization of a D2L education platform for a large Canadian charity, cutting page load times by 30%+ and improving reliability. Migrated legacy data to PostgreSQL, introduced structured migrations, and built accessible UI with Lit and TypeScript/Express.js APIs.

Built core features of the eWizard editor in Vue.js for a multi-channel content platform serving 150+ pharma companies. Rebuilt Express.js services and led a feature team, cutting API response times by 40%+ and reducing content creation time by 30%.

Designed and shipped an AI chatbot powered by a fine-tuned LLM, and built a generative-AI avatar pipeline with Stable Diffusion and ElevenLabs. Architected a serverless AWS backend and delivered a responsive Next.js frontend with streaming AI responses.

Transformed a static landing page into a scalable social platform for 3D artists, designing an event-driven architecture with 5 microservices. Introduced Elasticsearch, gRPC, Kafka, and Redis, cutting search response times by 40% and reducing data-fetch time by 40%.

Launched a decentralized crypto exchange built on Solidity smart contracts, serving 1,500+ users during initial rollout. Led a team of 4 developers and built a Vue.js/Web3.js crypto game that scaled to 50K+ players.

Led a 4-person team building an AI microcomputer application with Python/React/TensorFlow.js. Reduced cloud costs by $20K/year by moving ML inference on-device and grew the beta program to 400 testers.

Developed presales proof-of-concepts for OSS/BSS and MANO/SDN telecom solutions. Delivered 3 high-demand features ahead of schedule and represented engineering in discussions with major telecom stakeholders.

Master's degree in Software Engineering from Igor Sikorsky Kyiv Polytechnic Institute, completed in 2018.

Bachelor's degree in Software Engineering from Igor Sikorsky Kyiv Polytechnic Institute, completed in 2017.