Hi, I’m Sanjeev Singh

I buildbackendend-to-end.

Booking new projectsReply within 24 hours

Technologies I work with

I took one product from empty repo to app storeAPIWebiOSAndroidCase studyCRUD ReviewFlutter app, Node.js API and Next.js dashboard - live on the App Store and Google Play.View project - backend, web app and mobile app. I also build ShopifyLinen shirt₹1,899Canvas tote₹799Clay mug₹549Cart · 1ServiceCustom Shopify themesLiquid sections built to sell, not just to look good. and WordPress5 live sitesWordPress, built from scratchTechnest, Syncglim, Laptop Factory, DataDrone and Technical Adda.View work sites, automate busyworkNew leadAI scoresCRM + Slack✓ run #2,192 · 1.4 sAutomationn8n + AI workflowsLeads, orders and reports that handle themselves. and make videos about what I build.

Every layer,
built by me.

APIs, databases, web and mobile apps, stores - and the workflows that tie them together.

Custom APIs

Node.js and Express backends: auth, queues, webhooks, payments.

name	orders
Aarav Mehta	128
Priya Shah	96
Rohan Das	71
Neha Iyer	54

Databases

PostgreSQL and MySQL schemas, fast queries, Redis caching.

Web apps

Dashboards and SaaS in Next.js or Laravel, fast and easy to use.

Mobile apps

One Flutter codebase, shipped to the App Store and Play Store.

Business workflows

n8n automations with AI in the loop - leads, orders and reports handle themselves.

Shopify & WordPress

Custom themes, Liquid sections and plugins that sell.

01 / 06

What I can build for you

01→
Full products
Backend, web app and mobile app that work as one - from empty repo to app store.
02→
Mobile apps
One Flutter codebase for iOS and Android.
03
Custom web apps
Laravel, Next.js or Node.js - whichever fits the job.
04→
WordPress & Shopify
Custom themes, Elementor builds, WooCommerce stores and Shopify Liquid sections.
05→
Automation & AI
Workflows that run themselves, AI features people use.
06
Content
Product demo videos, build walkthroughs and posts about what I ship.

Portfolio

See my selected work

Websites, apps and SaaS I’ve designed and built end to end.

View all work →

2026Technest.
A custom WordPress theme that turns a dated Elementor site into a fast, bilingual lead machine for a Dubai security company.
WordPressACF ProTailwind CSS
Pull the page, or drag the slider
2026CRUD Review.
A SaaS that turns a 60-second chat at the counter into a real Google review. Customers scan, tap and post. Nobody types.
FlutterNode.jsExpress
Pull the page, or drag the slider
2026DataDrone.
A custom WordPress site for an implementation partner that gets Zoho, Twilio Segment, ServiceNow, Qualys and Anthropic projects live in 45 days.
WordPressTailwind CSSGSAP
Pull the page, or drag the slider
2026Dominique Bakers.
Online ordering for a bakery and cafe in Lakhimpur Kheri. Customers order delivery, pickup or dine-in; the owner runs it all from one admin panel.
LaravelReactRazorpay
Pull the page, or drag the slider
2026Laptop Factory.
A WooCommerce store for a Sharjah workshop that sells renewed business laptops. Every listing shows the exact spec, grade and price against new.
WordPressWooCommerceCustom theme

View all work →

What clients say

Rated on Fiverr

5.0

23 reviewsRead them

Sanjeev understood what our old website was missing and rebuilt it into a modern platform that represents Technest properly. He was responsive, handled feedback quickly and made the whole process easy for our team.

Mr. WaqasTechnest Security SystemsUnited Arab Emirates

Sanjeev has been instrumental across several projects. He understands the vision from very little direction, then brings commitment, technical skill and original thinking to turn it into a finished product.

Prabhu M C.Datadrone Inc · CRUD ReviewUnited States

Sanjeev brought extraordinary technical knowledge to the project. He communicated professionally, shared clear updates, discussed every hurdle openly and always found a practical way forward. I was very happy working with him.

Anoop SinghDominique BakersIndia

Very good and able to do good research about new topics.

andreassoegaardClient · Technical writingDenmarkVerified on Fiverr

Great work!

nebenkonto1Client · Speed optimizationGermanyVerified on Fiverr

Great job again.

sumangajavellyRepeat client · E-commerce websiteUnited StatesVerified on Fiverr

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AI isn’t the future. It’s today’s toolkit.

I pick up new tools early and keep the ones that earn their place.

From the blog

Notes from real client work

Costs, fixes and build decisions, written from projects I’ve shipped.

Read all posts

Mobile apps
RevenueCat vs Native In-App Purchases in Flutter: Which Should You Use?
RevenueCat vs the official in_app_purchase plugin in Flutter, compared on cost, backend work, data control and lock-in, with a simple rule for picking one.
2 Nov 2026 · 7 min read
WordPress
“Core Web Vitals Assessment: Failed” on WordPress: How to Fix It
Seeing Core Web Vitals assessment failed on your WordPress site? What each failing metric means, the usual WordPress causes and the order to fix them in.
27 Oct 2026 · 7 min read
WordPress
Elementor vs a Custom WordPress Theme: What You Actually Pay For
Elementor vs a custom WordPress theme compared on cost, speed, editing, SEO and lock-in, with a clear guide to which one suits your business.
27 Oct 2026 · 7 min read
WordPress
How Much Does a WordPress Website Cost in 2026?
How much does a WordPress website cost in 2026? Real price ranges for landing pages, business sites, custom themes and WooCommerce stores, by who builds them.
27 Oct 2026 · 8 min read
Web apps & MVPs
How Much Does an MVP Cost in 2026? Real Ranges for a Node.js Web App
How much does an MVP cost in 2026? Realistic ranges for a Node.js and Next.js web app MVP by scope and by who builds it, plus what drives the price.
27 Oct 2026 · 7 min read
Web apps & MVPs
Is Your Vibe-Coded App Safe to Launch? A Pre-Launch Security Check
Is your vibe-coded app safe to launch? A practical security check for apps built with Lovable, Bolt, Cursor or Replit, covering keys, data access, payments and backups.
27 Oct 2026 · 7 min read
Web apps & MVPs
How to Choose the Right Stack for a New Digital Product
A practical framework for choosing technologies around product risk, team capability, integrations and the realities of maintaining software.
25 Oct 2026 · 8 min read
Automation
n8n vs Zapier vs Make: Which Automation Tool Should You Use?
n8n vs Zapier vs Make compared for small businesses in 2026, covering pricing models, ease of use, self-hosting, data control and which tool fits which job.
27 Oct 2026 · 6 min read
Automation
Speed-to-Lead Automation: How to Reply to Every Lead in Minutes
How speed-to-lead automation works, why the first hour decides most leads, and a step-by-step workflow to alert your team, nudge, escalate and report automatically.
27 Oct 2026 · 7 min read

Have an idea?

Let’s build it.End to end.

[email protected]

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I buildbackendend-to-end.