Balaji S.
Fintech & AI Systems Engineer, based in Dublin
Dublin, IrelandBalaji is a full-stack engineer and AI systems developer with two years of production experience across fintech, telecoms and AI. He holds an MSc in Computing (AI) from Dublin City University, First Class Honours.
Most recently, as founding engineer at a Dublin fintech trading platform, he built the company's investment platform solo: client portals, a payments microservice handling Bank of Ireland and SEPA Instant integrations, and a PostgreSQL ledger with full regulatory audit trails, all live in production today. Before that, he worked on manufacturing-scale infrastructure supporting a $900 million national telecoms contract, and built internal cloud automation tooling at a global consulting firm.
Sector experience
Fintech and payments, telecoms and manufacturing infrastructure, regulated financial systems with audit-trail requirements.
AI systems work
Builds regularly with LangGraph, MCP tool servers, and RAG pipelines, routing across multiple frontier models with automatic failover. Placed 2nd at the AWS Global AI Hackathon Ireland 2025 and 3rd at HackEurope Dublin, and completed MSc research on deep learning model optimisation, including a custom GPU pipeline that cut inference time by over 75%.
Technical skills
Education
MSc Computing (AI), Dublin City University, First Class Honours
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