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kamini Perera's avatar
kamini Perera
Colombo, Sri Lanka
Expert Full-stack and AI developer
$5k+
Earned
1x
Hired
2
Followers
Expert Full-stack and AI developer
Cover image for Exciting News: Multi-Agent Supervisor Release! I'm thrilled ...
Exciting News: Multi-Agent Supervisor Release! I'm thrilled to announce the successful development and release of a Multi-Agent Supervisor for my bioscience client! This project leveraged the power of LangChain and LangGraph to create a sophisticated, self-correcting query system: Intelligent Evaluation: The initial supervisor agent intelligently evaluates client queries and, when necessary, proactively asks for more details to ensure maximum context and accuracy. Dynamic Task Orchestration: The core Supervisor agent effectively orchestrates multiple specialized sub-agents. Deep Bio-Database Integration: These sub-agents are designed to connect with and query multiple specialized bioscience database tools, allowing for comprehensive and precise data retrieval.
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91
Cover image for Wish to share a previous achievement at Teamwork Ltd. I play...
Wish to share a previous achievement at Teamwork Ltd. I played a key role in developing a robust new Procurement Management Workflow. This wasn't just a process update—it was a full-stack digital transformation! We leveraged the power of AWS Step Functions to orchestrate complex tasks, backed by scalable Lambda functions, a reliable Aurora DB for data persistence, and Python for core logic. The result is a streamlined, efficient, and fully automated procurement process that significantly reduces overhead and increases accuracy. Excited to continue driving innovation!
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87
Cover image for successful delivery of an AI chatbot for our Bio Science tea...
successful delivery of an AI chatbot for our Bio Science team! This tool is specifically designed to work seamlessly with their nf-core pipelines, enabling them to get enhanced interpretation and accelerate their research. The chatbot provides end-to-end support: Pipeline Selection: Helps in choosing the most appropriate nf-core pipeline for their specific analysis. Sample Sheet Generation: Supports the creation of accurate sample sheets, simplifying the initial setup. Multi-Step Results Interpretation: Provides clear, step-by-step guidance and interpretation of the complex pipeline results.
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Cover image for Excited to share a recent project where I leveraged the powe...
Excited to share a recent project where I leveraged the power of AI to transform data analytics!
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LeadGraph(1)
Abhishek Kumar's avatar
Abhishek Kumar
Hyderabad, India
Full-Stack Developer · MERN, Next.js & AI Integration
New to Contra
Full-Stack Developer · MERN, Next.js & AI Integration
Cover image for Built and deployed a production-grade
Built and deployed a production-grade multi-tenant WhatsApp AI lead qualification platform for real estate, using LangGraph, Meta Cloud API, and OpenAI. An AI agent (not a script) qualifies leads through natural conversation — understanding property type, location, budget, and timeline. Runs on a 7-node LangGraph state machine, not hardcoded if-else flows. Includes multi-language support (English, Hindi, Telugu, Tamil), automated follow-ups, vector-based semantic search for vague queries, real-time broker alerts, and multi-tenant isolation with AES-256 encrypted credential storage.
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Cover image for Built NexCart, a production-ready e-commerce
Built NexCart, a production-ready e-commerce platform with secure Polar payments, automated order fulfillment via webhooks, per-order Stream support chat, and video calling. Includes an admin dashboard with ImageKit image management and role-based access. Stack: Node.js, TypeScript, Express, PostgreSQL, React, Clerk, Tailwind CSS. Deployed on Railway.
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Cover image for 🚀 Built VisionCraft — An
🚀 Built VisionCraft — An AI-Powered Image Styling SaaS VisionCraft allows users to upload a photo, choose from multiple artistic styles, and generate AI-styled images in seconds. Key Features: • AI image transformation using OpenAI • Multiple style presets • Secure authentication with Clerk • Subscription-based pricing plans • Image storage and delivery with ImageKit • PostgreSQL database integration • Responsive modern UI built with Next.js Tech Stack: Next.js • TypeScript • OpenAI • PostgreSQL • Clerk • ImageKit This project helped me gain hands-on experience building AI-powered SaaS applications, integrating AI workflows, authentication systems, and subscription management. #NextJS #TypeScript #OpenAI #AI #SaaS #WebDevelopment #FullStackDevelopment #Portfolio
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Cover image for Full-stack chat and video calling
Full-stack chat and video calling app built with MERN stack and Stream SDK. Features real-time 1-on-1 messaging with typing indicators and reactions, video calling with screen sharing, friend request system, email verification via Resend, JWT authentication, and 32 UI themes. Built with React.js, Node.js, MongoDB, Zustand, and TanStack Query.
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LeadGraph(1)