Hi, I'm Vaibhav Patil

Open

Source

Contributor

Engineer

ReactNext.jsTypeScriptJavaScriptNode.jsPythonHTMLCSSTailwindCSSSupabasePostgreSQLExpress.jsAWS LambdaDockerRedisGitDenoREST APIsQLoRAPostmanvLLMReactNext.jsTypeScriptJavaScriptNode.jsPythonHTMLCSSTailwindCSSSupabasePostgreSQLExpress.jsAWS LambdaDockerRedisGitDenoREST APIsQLoRAPostmanvLLM

I build AI developer tools, distributed runtimes, and production systems.

Tech Stack

Technologies I use to architect performant, maintainable & product-focused solutions across the stack.

Frontend

TypeScriptReactNext.jsTailwind CSSFramer MotionHTML5CSS3

Backend

Node.jsExpressDenoFastAPIREST APIsGraphQLvLLMQLoRA

Databases

PostgreSQLMongoDBRedisPrismaSupabaseRLS

DevOps & Cloud

DockerGitHub ActionsCI/CDVercelAWS LambdaGCP GPU VMsLinuxTerraform

Tools & Others

JestPlaywrightBunVercel AI SDKOWASP WSTGESLintPrettierPostmanNeovim

Work History

Experience

Building impactful products and contributing to the open source ecosystem

Software Engineering Intern

Rankad AI

Jan 2026 - Apr 2026

Built AI SEO/GEO optimization infrastructure across analytics integrations, crawler workflows, LLM serving, and database performance.

Built a Google Analytics 4 integration and website crawler to track backlinks across search engines.
Deployed a QLoRA fine-tuned GPT-OSS 120B model on GCP GPU VMs with vLLM, serving 1,000+ tokens/sec.
Reduced PostgreSQL/Supabase query latency from ~1,500ms to ~30ms through indexing and RLS optimization.

TypeScriptNode.jsPostgreSQLSupabaseDenovLLMQLoRAAWS LambdaGCP GPU VMs

Software Engineering Intern

Lingo.dev[YC-F24]

Jul 2025 - Sep 2025

Contributed to a 5k+ star open-source i18n platform, improving SDKs, CLI tooling, compiler support, and contributor workflows.

Built SDK and CLI features that improved developer workflows for localization and translation.
Fixed compiler bugs and added EJS file support plus OpenRouter provider integration.
Reviewed PRs and helped onboard new open-source contributors.

TypeScriptDenoCompilerCLISDKOpen Source

Open Source Contributor

90+ merged PRs

2024 - Present

Ship developer-tooling features, performance improvements, CI workflows, and integrations across open-source projects.

Helped Coasts.dev (YC F25) ship remote runtime support for Codex/Claude Code workflows on VM resources.
Shipped HumanLayer UI improvements, including editor-opening actions and web search result theming fixes.
Added a WhatsApp MCP client for Klavis-AI and converted Traceroot-AI REST endpoints to async FastAPI.

TypeScriptReactFastAPIRustCI/CDPlaywrightOpen Source

Academic Background

Education

A snapshot of formal learning that complements my hands-on engineering work

Bachelor of Technology in Information Technology

K.K Wagh Institute Of Engineering Education and Research• Nashik, India

2022 - 2026

Studying information technology with a focus on software engineering, systems, databases, and modern web technologies while building production projects and contributing to open source.

Active open-source contributor with 90+ merged pull requests across developer-tooling projects
Built and deployed AI/devtool projects using TypeScript, Go, Docker, cloud runtimes, and LLM infrastructure
Participated in hackathons and coding competitions, securing top positions

Data Structures & AlgorithmsSoftware EngineeringDatabase Management SystemsComputer NetworksOperating SystemsObject-Oriented Programming

Open Source Impact

Contributing to the open source ecosystem, one pull request at a time.

Pull Requests

Merged

Repositories

Featured Projects

A collection of projects that showcase my skills in building innovative solutions and contributing to open source.

GPU-POWERED CLOUD IDE

Dev8.dev

Open-source cloud IDE for AI agents with containerized workspaces and GPU support. Designed layered Docker runtimes, Azure Container Apps deployment, and workspace data models for SSH keys, secrets, and backups.

GoDockerAzureTypeScript

Live Demo Source Code

AI SECURITY HARNESS

OpenGhost

Open-source AI pentesting harness for authorized web and API security assessments. Built a Codex/Claude agent skill with Docker sandboxing, scope files, evidence capture, findings, reports, and OWASP WSTG/API Top 10 workflows.

TypeScriptBunDockerVercel AI SDK

Live Demo Source Code

Want to see more of my work?

View All Projects on GitHub

Medium Articles

Writing & Insights

Sharing knowledge and experiences from my journey in software development

Jan 15, 2024·2 min read

Building Scalable Web Applications: Lessons from Production

Deep dive into architectural patterns, performance optimization, and real-world challenges in building modern web applications at scale.

Web DevelopmentArchitecturePerformance

Read on Medium

View All on Medium

Recommendations

What People Say

Trusted feedback from colleagues, mentors, and collaborators I have had the privilege to work with

“I had the pleasure of working with Vaibhav Patil during his internship at Lingo.dev, where he contributed to our open-source i18n, localization and translation tools. Vaibhav stood out for his curiosity and eagerness to dive deep into complex systems, quickly grasping how our platform integrates with modern i18n workflows. He asked thoughtful questions, explored new approaches, and consistently turned insights into practical improvements. Excited to see where his curiosity and technical talent take him next!”