AI Engineer (Freelance)Official Drytis Ecosystem Engineer ⚡
- Architecting autonomous AI agent workflows and LLM orchestration pipelines to empower cloud workspace collaboration tools.
- Building high-performance Python/TypeScript microservices and REST endpoints for scalable AI model integration.
- Optimizing LLM response latency, prompt evaluation pipelines, and context retrieval (RAG) for client-facing features.
- 🌐 Official Platform: drytis.com — Building next-gen AI-powered workspace collaboration tools.
Python
TypeScript
LangChainLangGraph
OpenAI
Google GeminiJunior Product DeveloperPromoted to Full-Time
- Delivered 60+ production-ready PRs across full-stack TypeScript/Python/Infrastructure components across 2 AI-Native SAAS products and Company official Website with zero critical incidents and 100% merge rate
- Engineered 12+ responsive marketing website features using TypeScript & Next.js, delivering 10+ new service pages with advanced CSS animations using GSAP, Framer Motion and Three.js and 100% mobile compatibility.
- Architected enterprise admin console & CMS system handling 10K+ monthly user interactions across 4 business teams with RBAC and multi-department approval workflows, reducing manual admin overhead by 60%
- Designed agentic AI workflow orchestration engine using LangGraph DAG architecture coordinating 9+ specialized AI nodes enabling autonomous end-to-end content generation pipelines across 8+ social media platforms for AI-Native Marketing Automation Tool
- Optimized backend API performance reducing critical endpoint response times from 3.2s → 420ms (-87%) through query caching, connection pooling, N+1 elimination, and strategic database indexing on 10K+ record datasets
TypeScriptPython
Next.js
GSAP
Framer Motion
Three.jsLangGraphLangChainOpenAIGoogle Gemini
NestJS
PostgreSQLSoftware Developer Intern
- Developed and maintained RESTful APIs using industry best practices, improving application data flow and service reliability by 35%.
- Fixed and debugged more than 25+ critical bugs and performance issues, reducing application crash rate and improving overall system stability.
- Performed unit testing and integration testing on 60+ API endpoints, increasing defect detection rate by 30% before production deployment.
JavaScript
Node.js
Express
MongoDB
Postman
JestAI Engineer (Freelance / Contract)
Official Drytis Workspace ⚡Client: Drytis Inc
Developing and integrating autonomous AI agent workflows, LLM orchestration pipelines, and cloud workspace automation tools as a freelance AI Engineer on an hourly contract.
Key Engineering Deliverables
- ✓Architecting scalable multi-agent AI workflows and prompt evaluation pipelines for Drytis cloud workspace platform
- ✓Building high-performance API services and LLM integration layers for real-time developer collaboration tools
- ✓Optimizing contextual retrieval (RAG) and model response latency across production AI endpoints
- ✓🌐 Official Company Ecosystem: drytis.com — Driving AI innovation across cloud-based collaborative engineering tools
E-Commerce Superfood Storefront & Microservices Suite
Live Storefront & MicroservicesClient: Yodha Foods
Architected and revamped the full-stack e-commerce platform & microservice architecture for Yodha Foods — featuring a mobile-first Next.js 16 UI/UX, an Express 5 main backend API service, AWS SQS/SES notification microservices, and a custom CMS/CRM admin dashboard.
Key Engineering Deliverables
- ✓Overhauled the complete UI/UX design system across all screen sizes (mobile, tablet, desktop), delivering 100% responsive compatibility and pixel-perfect micro-interactions
- ✓Engineered an integrated marketing suite within the Admin Panel to launch targeted Email, SMS, and WhatsApp campaigns directly to customer segments with Role-Based Access Control (RBAC)
- ✓Built a real-time live-site CMS & CRM admin console backed by AWS integration — enabling admins to dynamically update product ratings, customer testimonials, descriptions, homepage hero banners, header icons, and upload compliance certificates without code redeployments
- ✓Implemented a high-conversion Guest Checkout flow eliminating mandatory account creation friction for new buyers, drastically reducing cart abandonment rate
- ✓Engineered full product catalog management with dynamic category filtering across SKUs, persistent cart state, and automated order fulfillment tracking
Startup Operating System Platform
SaaS PlatformClient: SFCollab
Developed a comprehensive full-stack SaaS platform functioning as an all-in-one startup operating system — unifying idea validation, team collaboration, task execution, AI tools, and operational infrastructure into a single dashboard ecosystem for founders and builders.
Key Engineering Deliverables
- ✓Architected the core dashboard infrastructure spanning Vision, ERP, Social Feed, and Wallet modules, enabling founders to manage their entire startup lifecycle from a single integrated workspace
- ✓Built the collaborative ecosystem feature connecting founders with builders and creators, implementing real-time team invites, role-based access control, and project workspace management
- ✓Developed the AI Tools and Learning modules, integrating contextual guidance and automated startup workflow suggestions to accelerate idea-to-execution velocity
- ✓Designed a scalable database schema supporting multi-tenant organizations with granular permission hierarchies, audit logging, and cross-module data relationships
- ✓Engineered the platform's validation workflow system, enabling founders to test product-market fit hypotheses and track milestone progress through structured phase-gate checkpoints
Freelance Project Scope & Rate Calculator
1 YOE Specialist RateTailored rates for a 1-year experience AI & Full-Stack Engineer. Select contract duration (1, 2, or 3 Months), currency & billing model.
Estimated ~31 total hrs @ $15/hr base rate
- 1 Month Contract contract commitment
- 100% Production PR merge rate & clean docs
- Weekly progress reports & direct slack/call access
Feedback from founders, engineering leaders, and client teams on production deliverables & collaboration.
Drytis Engineering Team
Engineering Manager · Drytis Inc
“Himanshu hit the ground running from day one. As a freelance AI engineer, he picked up our cloud workspace codebase fast, built clean LLM integrations, and delivered exactly what we needed without needing constant supervision. Super reliable engineer to work with.”
VEGAH Product Team
Lead Product Developer · VEGAH
“Himanshu is one of those developers who just gets stuff done. He delivered dozens of production features across our SaaS apps, cut our endpoint load times drastically, and built complex AI workflows that actually work in production. Promoting him was an easy call.”
Yodha Foods Leadership
Founder · Yodha Foods
“Himanshu redesigned our store from scratch and built us a super intuitive admin panel for marketing campaigns. Our buyers love how quick the new checkout feels, and updating products now takes us minutes instead of hours.”
SFCollab Founders
Co-Founder & Product Lead · SFCollab
“We had a super ambitious vision for our startup operating system, and Himanshu brought it to life effortlessly. From real-time team workspaces to built-in AI tools, he turned complex backend ideas into a super polished user experience.”
Drop a Message
Have a project vision or engineering opportunity? Drop your details in the form below or email me directly at devhimanshuu(at)gmail.com