sharath@portfolio: ~ — zsh
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Introduction

Full-Stack AI Engineer

I build agentic backends.

LangChain + LangGraph multi-agent systems, production RAG with Weaviate, NestJS/Angular shipping AI features for European enterprise clients.

Thiruvananthapuram, Kerala · IndiaOpen to senior roles

Skills

ai & retrieval

  • LangChain
  • LangGraph
  • RAG pipelines
  • Multi-agent orchestration
  • Prompt engineering
  • Context engineering
  • Vector embeddings
  • Agentic AI
  • Model Context Protocol (MCP)
  • SSE streaming
  • OpenRouter
  • OpenAI API
  • Anthropic Claude API

backend

  • NestJS
  • Node.js
  • Express.js
  • FastAPI
  • REST APIs
  • GraphQL
  • JWT auth
  • Socket.IO
  • RabbitMQ
  • Bull
  • PM2
  • OpenAPI / Swagger

frontend

  • React
  • Next.js
  • Angular
  • TypeScript
  • Tailwind CSS
  • SASS / SCSS
  • Bootstrap
  • EJS

databases

  • PostgreSQL
  • MongoDB
  • Redis
  • MySQL
  • Supabase
  • Weaviate
  • Elasticsearch

cloud & devops

  • AWS
  • Azure
  • Docker
  • Docker Compose
  • Kubernetes
  • Terraform
  • Nginx
  • Traefik
  • Jenkins
  • GitHub Actions
  • GitLab CI
  • Helm
  • NX Monorepo

testing & observability

  • Jest
  • Playwright
  • Puppeteer
  • Postman
  • Langfuse
  • OpenTelemetry

ai-augmented dev

  • Claude Code
  • GitHub Copilot
  • Cursor
  • AI-assisted code review

tools & methods

  • Git
  • GitHub
  • VS Code
  • Figma
  • Agile / Scrum
  • Microservices
  • Event-driven architecture
  • System design

languages

  • JavaScript
  • TypeScript
  • Python
  • HTML
  • CSS

Experience

Oct 2024 → Present1 yr 8 mosRemote · Remote

Full-Stack AI Engineer (Contract)

elunic GmbH

Building AI-powered knowledge platforms for European enterprise clients on the ShopfloorGPT product. Production RAG, multi-agent orchestration, and multi-tenant infrastructure.

  • Developed full-stack features for the AI-powered ShopfloorGPT platform including private document access control, batch markdown generation, and service ticket management using Angular, NestJS, and TypeScript.
  • Built and maintained production RAG pipelines with document ingestion, hierarchical chunking, vector embeddings, and Weaviate-based semantic search for enterprise knowledge retrieval across multiple tenants.
  • Contributed to a multi-agent orchestration system using LangChain and LangGraph — decorator-based plugin registration, agent hierarchy with inheritance, and LLM-as-router patterns with tool-calling.
  • Delivered 33 merge requests across 8 enterprise projects in 4 months, including platform upgrades (v2.x to v5.x), multi-tenant authentication, and Chrome extension development.
  • Implemented document mirroring pipelines from SharePoint to Azure Blob Storage and orphan-folder detection crawlers for data integrity across distributed storage systems.
AngularNestJSTypeScriptPostgreSQLWeaviateLangChainLangGraphDockerAzureTraefikNX MonorepoOpenAPIGitLab CILangfuse
Jan 2024 → Sep 20249 mosRemote · Remote

Freelance Web Developer

Self-employed

Custom landing pages and marketing sites for multiple clients. Performance-led delivery with measurable conversion-rate improvements.

  • Built responsive landing pages with React, HTML, CSS, and JavaScript, achieving measurable conversion-rate improvements through performance optimisation.
  • Collaborated directly with clients on requirements, designed UI/UX in Figma, and shipped mobile-first responsive implementations on schedule.
  • Optimised page load with lazy loading, image compression, and SEO best practices — average load time down by 40%.
ReactHTMLCSSJavaScriptTailwind CSSNext.jsFigmaSEO
Dec 2022 → Jan 20241 yr 2 mosThiruvananthapuram, Kerala · On-site

MERN Stack Developer

Packapeer

Real-time, scalable web applications on the MERN stack for business-facing products with WebSocket-based live features.

  • Built scalable real-time web applications using MongoDB, Express.js, React, and Node.js serving business-facing products with WebSocket-based live features.
  • Optimised application performance through Redis caching and Bull-based asynchronous job processing — API response latency down by 60%.
  • Collaborated with cross-functional teams using Agile/Scrum, delivering features across iterative sprint cycles.
ReactNode.jsExpress.jsMongoDBRedisBullSocket.IOTypeScript
May 2021 → Oct 20216 mosThiruvananthapuram, Kerala · On-site

Web Development Intern

MashupStack

Full-stack web applications with Python back-end services and Angular front-ends.

  • Developed full-stack web applications with Python-based back-end services, MySQL databases, and Angular-powered front-end interfaces.
  • Gained hands-on experience with RESTful API design, relational data modelling, and component-based front-end architecture.
AngularPythonMySQLREST APIs
Aug 2018 → Dec 20185 mosThiruvananthapuram, Kerala · On-site

IT Infrastructure Intern

ScopeIndia

Networking and Linux server administration training (CCNA + RHCE).

  • Installed, configured, and troubleshot enterprise networking and hardware systems as part of CCNA and RHCE certification training.
  • Managed server and client infrastructure in team environments, building foundational knowledge of Linux systems and networking.
CCNA NetworkingRHCE LinuxHardware Systems

Projects

#01

Personal RAG Chat Platform — AI-Powered Knowledge Assistant

personal·2026

Full-stack AI knowledge assistant with end-to-end RAG: document upload → hierarchical chunking → embeddings → Weaviate semantic search. Multi-agent orchestration via LangGraph LLM-as-router (supervisor agent routes to RAG search / web search via LLM tool-calling in a stateful loop). NestJS decorator-based plugin system with MCP integration. SSE-streamed token-by-token responses with MySQL-backed LangGraph checkpointing. Multi-LLM via OpenRouter (OpenAI / Anthropic / Gemini) with fallback chains.

raglanggraphlangchainweaviatemcpssemulti-agentnestjsangulartypeormopenrouteropenaianthropic
↗ detailsgithub
#02

WorkHub — Microservice-based job application platform

personal·2023

Scalable freelance platform on microservices + event-driven architecture. 6 services: API Gateway, Authentication, Gig CRUD, Order/Payment (Stripe), Notification, and real-time Chat with Elasticsearch-powered search and filtering.

microservicesevent-drivennodetypescriptdockerkuberneteselasticsearchmongodbredisawsterraformjenkinsstripe
↗ detailsgithub
#03

Social Media Platform — Real-time messaging + content system

personal·2023

Full-featured social-media backend with authentication, post management, real-time private messaging via Socket.IO, and background job processing with Bull + Redis on AWS.

nodetypescriptmongodbredisexpressbullpm2awsterraformsocket.iojest
github
#04

ElectroMart — Full-stack e-commerce platform

personal·2022

E-commerce platform with shopping cart, product reviews/ratings, admin management, order tracking, and PayPal/credit-card payments. React + Redux frontend.

reactreduxnodeexpressmongodbbootstrapjwt
github
#05

this portfolio — terminal interface + Payload + RAG (planned)

in-progress·2026

The site you are reading. Interactive terminal portfolio with Payload CMS, Postgres + pgvector, 6 themes, and a reserved `chat` command for a future RAG bot grounded in this content. See docs/ai-features.md for the roadmap.

next.jspayloadtypescriptpgvectorpostgresterminal-uirag
github

Certifications

empty directory
No certifications on file yet.

Education

Aug 2014 → Jul 2018CGPA 6.2Thiruvananthapuram, Kerala

B.Tech in Computer Science and Engineering

Rajadhani Institute of Engineering and Technology

Blog

AI assistant

Ask me anything about this portfolio — grounded in the projects, experience, and posts below. Type chat <your question> in the terminal above (e.g. chat what has he built with rag?) and the answer streams back with citations.

Contact

emailsharath.surendran.m@gmail.com
phone+91 70251 27271
githubgithub.com/ki11e6
linkedinlinkedin.com/in/sharath-s-001590137
locationThiruvananthapuram, Kerala · India
statusOpen to senior roles
languagesEnglish (Professional) · Malayalam (Native)