# Narendra Ram > Narendra Krishna Ram is a web designer and full-stack developer in Tirunelveli, Tamil Nadu, India, working with clients worldwide. 8+ years taking products from a sketch in Figma to production; builds with AI in the loop and runs three products of his own. Contact: email@narenkram.com · Telegram https://t.me/narenkram ## Pages - [Home](https://www.narenkram.com/): introduction, products, selected work, services and recent writing - [About](https://www.narenkram.com/about): biography, career timeline, tools and certifications - [Work](https://www.narenkram.com/projects): every project, from SaaS products to client websites and Figma designs - [Writing](https://www.narenkram.com/blog): notes on design, development, AI and running SaaS products ([RSS](https://www.narenkram.com/rss.xml)) ## Products he runs - [SignValid](https://www.signvalid.in/): Checks the signature on e-Aadhaar, e-District certificates, DigiLocker documents and PAN e-cards against India’s official CCA trust hierarchy, then hands back a copy with a green tick that shows on any computer or printout. - [OIData](https://www.oidata.in/): Live open interest for NIFTY, SENSEX, stock options and futures: option chain, trending OI, dealer positioning (GEX), straddle and strangle premiums, and a plain-language read of the session. - [ShotDemo](https://www.shotdemo.com/): Turns a Chrome recording, a website or a few screenshots into a guided product demo, with hotspots, a voice, lead forms, an AI agent and analytics, shared as a link, an embed or inside your own app. ## Services - UI/UX design: Interfaces designed in Figma, from low-fidelity sketches to high-fidelity prototypes and design systems, iterated until they click. - Frontend engineering: Pixel-faithful builds of challenging designs: fast, responsive, accessible and pleasant to maintain. - Full-stack & e-commerce: APIs, databases, sign-in and storefronts. Custom builds, or Shopify, WooCommerce and WordPress when they fit better. - Launch & beyond: The unglamorous parts that make it real: SEO, ads, analytics, servers, DevOps and domain wrangling. ## Writing - [How to Validate a Signature in a PDF (Free, on Phone or Laptop)](https://www.narenkram.com/blog/how-to-validate-signature-in-pdf): How to validate the digital signature on a PDF for free, on a phone or a laptop: what the check proves, the five steps, and what each result means. - [Question Mark in a Digital Signature: How to Remove It](https://www.narenkram.com/blog/question-mark-in-digital-signature-how-to-remove-it): The yellow question mark on e-Aadhaar, birth certificates and e-PAN is a picture stored in the PDF. Why it appears, and how to get a copy with the green tick. - [What to Look For in an Open Interest Analysis Tool](https://www.narenkram.com/blog/what-to-look-for-in-an-open-interest-analysis-tool): What to look for in an open interest analysis tool for NIFTY and SENSEX, from the person who built OIData: change in OI, build-ups, history, alerts and price. - [OI Data Explained: How to Read Open Interest for NIFTY and SENSEX](https://www.narenkram.com/blog/oi-data-explained-how-to-read-open-interest): OI data explained: what open interest is, where the numbers come from, and five ways to read it for NIFTY and SENSEX, from change in OI to PCR and futures. - [Interactive Product Demo Examples I Built for My Own Apps](https://www.narenkram.com/blog/interactive-product-demo-examples): Interactive product demo examples I made for my own apps, OIData and ShotDemo: how each was built, what every step says, and what to copy for your own demo. - [Why I Built a Supademo Alternative You Pay for Once](https://www.narenkram.com/blog/supademo-alternative-you-pay-for-once): Why ShotDemo is a Supademo alternative you pay for once: $29 per demo instead of per creator each month, what it does, and when Supademo fits better. - [Beware: How BetterCV Uses Dark Patterns & Shady Billing to Charge You for "PDFAID"](https://www.narenkram.com/blog/beware-how-bettercv-uses-dark-patterns-to-fraudulently-charge-you-for-pdfaid): Seeing an unexpected charge from pdfaid.com on your credit card statement? You aren't alone. Here is exactly how BetterCV uses fraudulent cancellation mazes and sister-company billing names to take your money without your clear consent. - [Open Interest Data Analysis App - Launching my 2nd SaaS](https://www.narenkram.com/blog/open-interest-data-analysis-app-launching-my-2nd-saas): After transitioning away from trade execution tools, I realized the real edge in options scalping isn't just about how fast you can click "buy," but how clearly you can read the market's hidden forces. Today, I'm thrilled to announce the beta launch of my second SaaS: OIData. - [AmpTrade (formerly steadfastapp) Is Now Free & Open Source](https://www.narenkram.com/blog/amptrade-formerly-steadfastapp-is-now-free-open-source): SteadfastApp stopped making money, it required continuous efforts to keep things working, so I have stopped working on the app and open sourced it under a new name called AmpTrade. - [Zerodha API Trading with SteadfastApp](https://www.narenkram.com/blog/zerodha-api-trading-with-steadfastapp): Connect your zerodha broker account and trade using Kite Connect API - [From Necessity to Opportunity: Launching My First SaaS](https://www.narenkram.com/blog/from-necessity-to-opportunity-launching-my-first-saas): How an unintended experiment to cut costs turned into a full-fledged SaaS platform designed to provide better tools at an affordable rate. - [Gtrendz Online - A MultiVendor E-Commerce Design and Development](https://www.narenkram.com/blog/gtrendz-online-a-multivendor-e-commerce-design-and-development): A quick look at the design and development side of a multi-vendor e-commerce platform. - [HappyWalk - A Brand New Online Orthopedic Footwear Store](https://www.narenkram.com/blog/happywalk-a-brand-new-online-orthopedic-footwear-store): I recently helped set up an orthopedic footwear store on Shopify. ## Selected work - [ShotDemo](https://www.narenkram.com/projects/shotdemo) (Web App): Turn screenshots and websites into stunning promo videos - [SignValid](https://www.narenkram.com/projects/signvalid) (Web App): Validate digital signatures on PDFs with ease - [TerminalTrade](https://www.narenkram.com/projects/terminaltrade) (Web App): Paper & Live trading app for Indian traders. - [OIData](https://www.narenkram.com/projects/oidata) (Web App): Open Interest Data Analytics for Indian Market. - [MerryBakes](https://www.narenkram.com/projects/merrybakes) (Figma Design): Landing page design for local bakery - [Coaching Cards](https://www.narenkram.com/projects/coaching-cards) (Figma Design): Flash cards learning app. - [GT App](https://www.narenkram.com/projects/gt-app) (Figma Design): UI for android app. - [bver](https://www.narenkram.com/projects/bver) (Figma Design): UI for web audio player. - [Senthil Raj](https://www.narenkram.com/projects/senthil-raj) (Figma Design): Personal website - [Angel Care](https://www.narenkram.com/projects/angel-care) (Figma Design): UI for angel-care patient monitoring system. - [Relivio](https://www.narenkram.com/projects/relivio) (Website): Appointment Booking & Landing Page for Relivio - Revitalizing Therapy - [Syntheticus](https://www.narenkram.com/projects/syntheticus) (Figma Design): Machine Learning synthetic data analyser. - [STARK](https://www.narenkram.com/projects/stark) (Figma Design): Swiss Tax Automation Reorganization Kit - [Oilr](https://www.narenkram.com/projects/oilr) (Website): Quick commerce site for homemade oil business. - [SGV Construction](https://www.narenkram.com/projects/sgv-construction) (Website): Construction Business - [Signal Sentinel](https://www.narenkram.com/projects/signal-sentinel) (Pinescript): TradingView indicator for scalpers. - [Pullback Signals Indicator](https://www.narenkram.com/projects/pullback-signals-indicator) (Pinescript): TradingView indicator for scalping signals. - [SIP Calculator](https://www.narenkram.com/projects/sip-calculator) (Web App): A quick SIP calculator for long term investments - [HappyWalk](https://www.narenkram.com/projects/happywalk) (E-Commerce): Orthopedic & Diabetic Footwear Store - [SteadfastApp](https://www.narenkram.com/projects/steadfastapp) (Web App): API Trading for app for Intraday traders. ## Elsewhere - GitHub: https://github.com/narenkram - X: https://x.com/narenkram - YouTube: https://www.youtube.com/@narenkram-yt/videos - Telegram: https://t.me/narenkram - Upwork: https://www.upwork.com/freelancers/narenkram - Pyng: https://pyng.co.in/profile/narendra-krishna-ram-web-app-developers