GJAM Technologies is a website design and development company serving Mumbai — freelance-ready delivery for startups, agencies, and businesses. We build responsive sites, ecommerce stores, SaaS products, and AI-powered apps with React.js, Next.js, and Node.js (MERN stack).
Whether you need a website development company in Mumbai, a full stack developer in Mumbai, or a partner for a long-term SaaS build, GJAM Technologies delivers end-to-end engineering with clear communication and production-quality code.
We work with founders, agencies, and product teams across India — including Mumbai — on fixed-scope projects and ongoing retainers.
As a freelance web developer in Mumbai and website design company, we match what top Google results offer: responsive web design, ecommerce, WordPress/Shopify, SEO-friendly builds, and MERN stack SaaS — with added strength in AI-powered products and SaaS (see live projects below: TripQuote, TravelIndia.AI, SlideGen, GJAM Search, Rail24, Arthika, Cricket).
Fast, SEO-friendly sites built with Next.js — optimized for conversions and Core Web Vitals.
MVPs, dashboards, auth, billing integrations, and scalable backends for subscription products.
Shopify, WooCommerce, and custom storefronts — Razorpay/Stripe, catalog, and checkout.
WordPress development, headless CMS, and migrations — plus Next.js when you need speed and SEO.
Chat interfaces, RAG search, agents, and OpenAI integrations — production-grade, the same patterns used in our own AI products.
REST/GraphQL APIs, webhooks, CRM/ERP connectors, and third-party platform work.
Performance tuning, feature iterations, analytics, and ongoing engineering support.
Looking for the best web developer in Mumbai (and India)? Every link below is a live, production product engineered by Japan Gor at GJAM Technologies. Open them, test them, then decide.
AI-powered search engine (Perplexity alternative)
Conversational generative-AI search with real-time tool calls, multi-model routing, and SEO-friendly app router architecture.
Next.js · TypeScript · Streaming LLMs · Vercel
AI travel itinerary & quote SaaS for tour operators
Full multi-tenant SaaS — AI itinerary drafting, branded PDF generation, WhatsApp share links, lead inbox, and view-tracking analytics. Sold as a one-time license on Gumroad.
Next.js 14 · PostgreSQL · Drizzle · OpenAI · PDF export
Smart tour discovery for 400+ India tour packages
Discovery platform for Shree Kanaiya Travels (est. 1995). 270+ programmatically-rendered tour pages, full local SEO, Jain/veg search-intent targeting.
Next.js · SEO-first · Schema.org · WhatsApp lead funnel
Live Indian Railways info & PNR status
High-traffic real-time site for train status, PNR, and live running — optimized for fast TTFB and mobile data.
Next.js · Real-time APIs · Edge caching
Live stocks & market data
Real-time price feeds and market dashboards for Indian and global tickers.
Next.js · WebSockets · Charting
Live cricket scores, odds & notifications
Real-time scoreboard with odds movement and instant notifications.
Next.js · Push notifications · Live polling
AI PowerPoint generator
Topic-to-deck AI presentation tool with downloadable PPTX output.
Next.js · OpenAI · PPTX export
Free invoice maker with live preview & PDF export
Free invoice generator with two-column live preview, multi-currency, custom tax/discount rules and a print-perfect PDF output. Ships 45+ programmatic SEO pages (templates, industries, country & competitor comparisons) and is monetised via a one-time Gumroad lifetime license.
Next.js 15 · App Router · Tailwind · Gumroad license API · Programmatic SEO
Tell us about your project — timeline, budget range, and goals. We typically respond within 24–48 hours.
Japan Gor (direct)
Email: japangor@gmail.com
Phone: +91 98695 66857
Company: hello@gjam.in
Contact GJAM Technologies with your project brief, timeline, and budget. Email japangor@gmail.com or call +91 98695 66857. We serve Mumbai and all of India remotely.
Costs depend on scope: landing pages, ecommerce, WordPress/Shopify, or custom SaaS. Share requirements for a tailored quote — typical projects range from small business sites to full product builds.
Yes. Japan Gor and GJAM Technologies provide freelance and project-based full stack development with React.js, Next.js, and Node.js, plus WordPress and ecommerce when needed.
GJAM specializes in React.js, Next.js, TypeScript, and Node.js — SEO-friendly, high-performance sites with strong Lighthouse scores and Core Web Vitals.
