Nisal Fonseka
AI Application Engineer
Profile
Software engineer building AI-powered products end-to-end across model integration, RAG, backend systems, databases, authentication, interfaces and deployment.
Experience
Software Engineer Intern — Gen AI Applications · SLIIT
Oct 2025 — PresentDesigning and independently developing enterprise AI platforms across multi-model orchestration, retrieval, memory, voice and full-stack product engineering.
SLIIT COEAI Chatbot · Academic Chatbot Platform · RAG and AI memory · Realtime voice systems
Software Engineer Intern · Sri Lanka Telecom
Jan 2025 — Jul 2025Contributed to software work in an enterprise telecommunications environment and gained experience with operational systems.
Enterprise software exposure · Team delivery · Operational systems
Education
BSc (Hons) Information Technology — Software Engineering
Sri Lanka Institute of Information Technology · 2022 — 2026
Diploma in Information Technology
ESOFT Metro Campus · 2019
Capabilities
AI engineering · LLM applications · Retrieval-augmented generation · Model orchestration · Full-stack development · React · Next.js · Node.js · PostgreSQL · pgvector · Docker · Product engineering · Sinhala NLP