12 min read
How Tool Calling Works in Large Language Models
Learn how LLMs use external tools and functions to perform real-world tasks beyond text generation.
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Available For Work
Hi, I'm
Ayush Sharma
I'm a Full Stack Developer
I build Scalable, high-performance AI applications and modern web solutions with a focus on exceptional User Experience and robust System Design.
TypeScript
React
Next.js
Tailwind
Node.js
Prisma
Postgres
Appwrite
Vercel AI SDK
OpenRouter
Python
Docker
AWS
System Design
TypeScript
React
Next.js
Tailwind
Node.js
Prisma
Postgres
Appwrite
Vercel AI SDK
OpenRouter
Python
Docker
AWS
System Design
Tech Stack
Skills
The technologies I build with.
23+ technologies in my arsenal
Experience
Work History
Building scalable solutions and leading development teams
Kakiyo OÜ
CurrentLead Developer
Full-timeAug 2025 - Present
Full Stack Developer
Part-timeJuly 2025 - Aug 2025
July 2025 - Present
ReactNext.jsTypeScriptNode.jsPostgreSQLAWSDockerTailwindCSSPrismaGraphQL
- ●Built AI-powered LinkedIn automation platform with Next.js/React, improving client outreach engagement by 70%
- ●Reduced Appwrite costs by 70% through query optimization and caching, maintaining sub-100ms API response times
- ●Shipped production features rapidly with 99.9% uptime, iterating based on real-time user feedback
- ●Architect and implement scalable backend systems with modern cloud infrastructure
- ●Lead technical decisions and mentor development teams on best practices
- ●Drive performance optimization initiatives across full-stack applications
Featured Work
Selected Projects
From the Blog
Featured Articles
Thoughts on development, design, and technology
My Progress
Coding Stats
A snapshot of my coding journey across different platforms.
Get In Touch
Terminal Contact
Send me a message using simple terminal commands
Terminal — contact.sh
--:--:-- --
Last login:
Portfolio Terminal v1.0.0 - Type help for available commands
Welcome to Ayush's Terminal Contact!
Follow these steps to send me a message:
1. name - Set your name
2. email - Set your email
3. message - Write your message
4. send - Send your message to Ayush
5. status - Check current input status
6. clear - Clear the terminal
ayush@portfolio:~$
▌
NameEmailMessageSend
Available commands:
Contact Information
I'd love to hear from you! Whether you have a question, proposal, or just want to say hello - I'll respond as soon as possible.
Terminal Pro Tips
↹
Press Tab to autocomplete commands
↑
Press Up Arrow to recall previous commands
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You can also click the command buttons below the terminal