I will build custom ai agents and agentic workflows using claude and langchain


About this gig
I will build custom AI agents and agentic workflows using Claude, LangChain, and modern tools.
Ideal for businesses and founders who want autonomous AI systems that can research, reason, take actions, and complete multi-step tasks.
What you get:
- Custom AI agents powered by Claude or GPT
- Agentic workflows with multi-step reasoning and tool use
- LangChain / LangGraph implementation
- Integrations with APIs, databases, or other tools
- Deployment support
- Clean, production-ready code and full documentation
Tech stack: Python, TypeScript, JavaScript, LangChain, LangGraph, Claude, GPT, SQL/PostgreSQL.
Why work with me:
- Focus on working solutions, not demos
- Clear communication and on-time delivery
- Revisions included per package
How it works:
1. Share your use case and requirements
2. I confirm the scope and approach
3. I build and test the agent or workflow
4. I deliver the complete solution with source code and docs
5. Revisions if needed
Message me with your idea and I'll recommend the right package.
Get to know Rumey Rimzan
Full Stack AI Developer specializing in Nextjs and AI Agents
- FromSri Lanka
- Member sinceSep 2026
- Avg. response time1 hour
Languages
English
FAQ
Do I need to provide my own API keys (OpenAI, Claude, etc.)?
Yes. AI usage is billed by the provider to your own account, so you stay in control of costs and data. I'll help you set the keys up securely.
Are hosting and other running costs included?
No, my price covers development only. Hosting and AI API usage are billed by those providers to you directly.
What do you need from me to get started?
The agent's main goal, any tools/APIs/data it needs to use, and examples if you have them.
What tools do you use?
Claude, GPT, LangChain, LangGraph, Python/TypeScript, and whatever APIs the agent needs to connect to.
Can the agent connect to external tools or APIs?
Yes, tool use and integrations are supported in every package.
Do you provide the source code?
Yes, full source code is included, and you own it once delivered.
Do you help with deployment?
Yes, deployment support is included in every package.
How complex can the agent be?
From a simple single-purpose agent to an advanced multi-agent system.
How long will it take?
Basic 4 days, Standard 7 days, Premium 10 days. Bigger projects can get a custom offer.
Can I request more features later?
Yes, through revisions or a custom offer.
