TECHNICAL FOUNDER · BUILDER · OPERATOR
ARYAN
IYAPPAN
Making sense of complexity, one system at a time
The
Builder
Nineteen. Self-taught across engineering and business. Shipped production systems, contributed to open source (Strawberry GraphQL), and took a healthcare marketplace from zero to traction — owning product, sales, and every hard decision in between.
AWS Developer Associate. Google Cloud Engineer. Two hackathon first places. Currently building in stealth. Not here to add features — here to build companies that last.
Projects
Query batching for production APIs
Contributed to the Strawberry GraphQL library, implementing query batching for production APIs. Helped improve performance and developer experience for one of the most widely-used Python GraphQL frameworks.
Healthcare hiring marketplace from zero
Founded a healthcare hiring marketplace, owning product, GTM, and the chicken-and-egg problem from zero. Built the full stack — from architecture to market — and drove traction in a two-sided marketplace.
SourceBenchmarking LLMs for lease audit accuracy
Analyzed multiple state-of-the-art LLMs to assess their effectiveness in automated lease auditing — including GPT-4o, Claude 3.5 Sonnet v1, Meta Llama 3.1 70B Instruct, and Meta Llama 3.1 405B Instruct. Findings informed fine-tuning and optimization of selected models, enhancing accuracy and efficiency, while identifying alternative models as backup solutions for robustness and flexibility.
PDF → structured data, end-to-end on AWS
Developed a robust solution for transforming unstructured PDF documents into structured, actionable data, from idea to a working prototype. Leveraging Python, LangChain, FastAPI, and React, with a highly scalable architecture on AWS — Lambda, API Gateway, DynamoDB, VPC for secure processing, and S3 for storage. The React SPA is hosted on CloudFront via S3, with CI/CD powered by CodeBuild and CodePipeline.
LLM comparison for real estate workflows
Analyzed multiple state-of-the-art LLMs to assess their effectiveness in extracting structured data from real estate documents and performing downstream tasks — including GPT-4o, Claude 3.5 Sonnet v2, Mistral 7×8B Instruct, Meta Llama 3.3 70B Instruct, Microsoft Phi 4 14B, and Deepseek V3. Results provided valuable insights into the applicability of these models for real estate workflows, paving the way for fine-tuning and optimization.
125K views, 700+ students, zero downtime
Developed and launched an interactive quiz hosting and event website for Puthulir 2024, aimed at promoting entrepreneurial knowledge among school students in Tamil Nadu. Attracted over 1,25,000 views within the quiz period, engaged 700+ students, and built a serverless infrastructure to handle high traffic with seamless performance throughout the event.
Conviction
Casseroles
Work should be fun. Excellence in execution is non-negotiable. Rethink everything from first principles. Aggressively adapt to change. These aren't slogans — they're the filters every decision passes through.
Influenced by Built to Last, Good to Great, The Hard Thing About Hard Things, Zero to One. Training to think like a long-term CEO, not just a builder.
Let's
Build
Looking to connect with founders, operators, and deeply technical builders who think in decades, not quarters. If you're building something ambitious, let's talk.