Roland Kiraly
Full-Stack Engineer
I build multi-tenant SaaS platforms and AI-powered products. Currently architecting PEP Health's healthcare analytics platform on React, TypeScript, Node.js, OpenSearch, and AWS, with customer-facing LLM integrations, prompt-injection defences, and tenant isolation over millions of comments.
About
I'm the lead web engineer at PEP Health, where I own the architecture of a multi-tenant healthcare analytics SaaS, from the React/TypeScript frontend to GraphQL and REST APIs on AWS Lambda, PostgreSQL, OpenSearch, and Redis.
Lately that has meant a lot of AI work: I shipped a natural-language analytics assistant, hardened its LLM workflows against prompt injection and cross-tenant data exposure, and tuned context windows and token budgets so it stays accurate and cheap to run over millions of healthcare comments.
BSc in Computer Science from University of London.
Experience
Full-Stack Engineer
PEP HealthLead web engineer on a multi-tenant healthcare analytics SaaS. Shipped an AI-powered analytics assistant with prompt-injection defences and tenant isolation, over a React/TypeScript, OpenSearch, PostgreSQL, and AWS Lambda stack.
Junior Developer
Dentsu InternationalBuilt internal web tools using React, Next.js, and Node.js. Supported marketing operations for 160+ users.
Technical Skills
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