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Sachin bagaria

SB.
Download Résumé ↓sachinbagariaofficial@gmail.comLinkedIn ↗

Full-Stack & AI Engineer

Available · Luxembourg

Sachinbagaria

I design, build & ship AI-native products end-to-end — full-stack apps powered by the LLMs, agents & models I train and deploy to production.

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Résumé ↓
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(Selected Work)

Selected work

8 products spanning full-stack platforms, AI systems and Web3 — built for clients across Europe, India and Australia.

Digital Twin preview
01
2026🇱🇺Luxembourg

Digital Twin

AI · Mobility Analytics

An AI-powered Digital Twin for Luxembourg that models traffic and mobility flow to power data-driven urban planning and location analysis.

Next.jsPythonLangChainAWSAI Chatbot
Mangal preview
02
2025🇮🇳India

Mangal

Full-Stack · PropTech

An NRI real-estate intelligence platform to research, evaluate and invest in Indian property from abroad — powered by the proprietary Mangal Index (50+ market signals), verified listings and independent advisory.

Next.jsTypeScriptTailwind CSSVercelAI Chatbot
Medic X preview
03
2025🇱🇺Luxembourg

Medic X

Frontend · Healthcare

A modern healthcare-center website with online appointment booking and specialty browsing across six departments — physician profiles, patient stories and health content, built as a clean, responsive Next.js UI.

Next.jsReactTypeScriptTailwind CSS
Manor & Ashbury preview
04
2024🇬🇧United Kingdom

Manor & Ashbury

Full-Stack · Booking

An activity booking platform for a UK resort that streamlines guest bookings and daily operations through advanced scheduling, role management, and real-time notifications — plus a Flutter mobile app so guests can manage bookings on the go.

Next.jsNode.jsStripePostgreSQL
Qlicr preview
05
2022🇦🇺Australia

Qlicr

Frontend · SaaS

A payroll & job-management platform for an Australian client that automated payslip generation and improved admin workflows by 20%.

ReactReduxBootstrapCSS Modules
Custom Credit preview
06
2023🇬🇧United Kingdom

Custom Credit

Full-Stack · Finance

A responsive full-stack loan-management platform for a UK finance client — customizable loan terms, real-time financial insights, automated processes and secure transaction handling.

ReactNode.jsPostgreSQLREST API
Bharat Basket preview
07
2025🇮🇳India

Bharat Basket

Frontend · E-Commerce

A D2C e-commerce storefront for a cold-pressed mustard oil brand — product catalog, multiple pack sizes and a clean, fast shopping experience built with Next.js.

Next.jsReactTypeScriptTailwind CSS
SafeKeep preview
08
2023🇺🇸USA

SafeKeep

Frontend · Cybersecurity

A marketing site for a cyber-security agency offering penetration testing and managed security services — service breakdowns, downloadable sample assessment reports and team profiles, with a clean, security-themed Next.js UI.

Next.jsReactTypeScriptTailwind CSS

(AI / ML Focus)

Not just web. I build intelligence into products.

LLM & RAG Systems

Chatbots, PDF Q&A and knowledge assistants.

OpenAILangChainChromaDBPinecone

Predictive Modeling

Model training, time-series forecasting and production inference for decision support.

Model trainingXGBoostTime-SeriesTensorFlow

Data & Mobility

Traffic data into a living Digital Twin.

Digital TwinPipelinesAnalytics

AI in Production

Ship, monitor and retrain models in production — scalable deployments with CI/CD, APIs and monitoring.

FastAPIAWSDockerCI/CDMonitoring
Full-Stack✦AI Engineering✦LLM & RAG✦Cloud Native✦Next.js✦Full-Stack✦AI Engineering✦LLM & RAG✦Cloud Native✦Next.js✦

(About)

I turn complex problems into clean, scalable products — bridging thoughtful engineering with applied AI.

AI-driven Full-Stack Engineer with 6 years of experience delivering end-to-end products — from design and frontend implementation to backend systems, model training, prediction pipelines, and cloud deployment. Expert in building production LLM & RAG systems, time-series forecasting and predictive models, and shipping scalable services on AWS.

I've led teams in Agile environments and shipped 15+ enterprise projects across the full lifecycle — from solution design and development to production deployment on AWS. I'm proficient with OpenAI, LangChain, RAG, FastAPI and modern frontend architectures.

0+Years experience
0+Projects delivered
0Continents served

(Capabilities)

Languages & tools

Hover any group to explore. A full-stack toolkit spanning modern frontend, robust backend, applied AI/ML, and cloud infrastructure.

Languages▪

01
JavaScriptTypeScriptPython

Frontend▪

02
ReactNext.jsReduxTailwind CSSViteWebpack

Backend▪

03
Node.jsNestJSFastAPIREST APIGraphQL

Databases▪

04
PostgreSQLMongoDBRedis

AI & ML▪

05
LangChainRAGOpenAILLMsModel trainingInferenceChromaDBPineconeXGBoostTensorFlow

DevOps & Cloud▪

06
AWSDockerGitHub ActionsNginx

Tools▪

07
GitJestPostman

(Experience)

The journey

Dec 2025 — Present

Now

University of Luxembourg

Full-Stack Developer — Luxembourg

  • Developing an AI-powered Digital Twin platform to analyze Luxembourg's mobility and traffic-flow data for data-driven urban planning and strategic location analysis.
  • Designing, training and validating predictive models and time-series forecasting pipelines to generate accurate mobility and demand predictions used by planners and researchers.
  • Producing end-to-end ML workflows: data ingestion, feature engineering, model training, evaluation, inference, and production deployment (FastAPI + AWS).
  • Deploying and operating scalable backend and AI services on AWS (EC2, Lambda, RDS, ECR) with CI/CD, monitoring and model retraining pipelines.
  • Implementing LangChain-based retrieval and generative AI tools to surface insights and support decision-making for mobility analytics.

Jun 2025 — Nov 2025

Freelance

Full-Stack Developer — Remote · Luxembourg

  • Consulted and delivered AI-powered applications (RAG, chatbots) using Next.js, React, Node.js and Python for businesses across India and the USA.

May 2023 — Jun 2025

200OK Solutions

Full-Stack Developer — Remote · India

  • Integrated an AI chatbot (Google Gemini & ChatGPT) into the company site, internal HR tools and a PDF-based Q&A assistant to streamline hiring.
  • Built a full-stack resort booking system for Manor & Ashbury (UK) with Next.js, Node.js and Stripe — cutting booking time by 40%.
  • Led frontend/backend modules and implemented CI/CD pipelines with GitHub Actions and Docker.

Sep 2021 — Apr 2023

Arlab

Frontend Developer — Jaipur, India

  • Built Qlicr, a payroll & job-management platform for Torque Jobs (Australia) — automating payslip generation and improving admin workflows by 20%.
  • Contributed to FundsOne, a Web3 DApp for NFT/token trading on Polygon, using React, Redux and Web3.js.
  • Ensured mobile-first design and cross-browser UI performance.

Aug 2020 — Jul 2021

Self-Employed

Web Developer — Jaipur, India

  • Delivered web development services, transforming Adobe designs into functional websites.
  • Managed the full development lifecycle from planning to deployment for diverse clients.