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You will get Heroku stack upgrade for Ruby on Rails applications
Project details
I have vast experience in upgrading the Heroku stacks for Ruby on Rails applications. You just have to add me to your collaborators on Heroku I will upgrade the Ruby/Rails versions and upgrade the Heroku stack because the latest Heroku stacks require the latest Ruby/Rails versions.
Programming Languages
HTML & CSS, JavaScript, Ruby/Ruby on RailsCoding Expertise
Cross Browser & Device Compatibility, Localization, Performance OptimizationWhat's included
| Service Tiers |
Starter
$200
|
Standard
$300
|
Advanced
$500
|
|---|---|---|---|
| Delivery Time | 3 days | 2 days | 1 day |
Number of Revisions | 0 | 0 | 2 |
Number of Pages | 0 | ||
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code | - | - | - |
33 reviews
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This project doesn't have any reviews.
MG
Michal G.
Jun 30, 2026
Two Jekyll portal with markdown pages, and traditional HTML+CSS components
Zahid has dilligently created a few beautiful web pages that have so far avoided maintenance for quite a time.
I recommend him for such customer facing projects.
I recommend him for such customer facing projects.
LS
Leon S.
Jan 27, 2026
Developing 3rd milestone pages, Shopping page, Blog page, Print page
We've worked well with Muhammad and will continue to do so.
TJ
Todd J.
Jan 23, 2026
Enhancements
Zahid has always been a huge asset for our company. We are have to be associated with him.
ML
Matt L.
Jun 24, 2025
RoR and DevOps support
Excellent in every way. A true expert, and someone who will go above and beyond to do a great job. Highly recommend.
AR
Amit R.
Mar 25, 2025
Migrate an existing site to github pages.
The requested work was completed sooner than expected time. Zahid understood the requirements well, he showed initiatives, and presented solutions. I'll definitely prefer to work with him again.
About Muhammad Zahid
SaaS & Workflow Automation That Runs Without You | Rails N8N WordPress
100%
Job Success
Lahore, Pakistan - 11:15 pm local time
One client, a mortgage company, says his new site brings him 23 more funded loans a month, about $88,000 in added commission, since I rebuilt it. I'm a full stack developer, and my clients tend to stay for years.
I'm Zahid, a full stack web developer in Lahore, Pakistan, with 6+ years shipping production apps across Rails, Python, WordPress, and the AI automation layer with n8n and GoHighLevel.On Upwork, identity verified through a government ID check. Long-term work on a Rails marketplace and a Rails and Ruby upgrade project, both still open. I'm available more than 30 hours a week.
WHAT I BUILD FOR CLIENTS
The product comes first, the stack underneath is whatever gets it there safely.
- Rails and Python apps that handle real money: Stripe, Twilio, SendGrid, on PostgreSQL or MySQL, built so nothing breaks at checkout.
- React, Next.js, or Hotwire, Stimulus front ends wired to Rails or FastAPI.
- WordPress bug fixes, redesigns, and speed work for existing sites.
- AI automation that ships: OpenAI, LangChain, n8n, GoHighLevel builds that save hours weekly.
- ServiceM8 set up and automation
HOW I MANAGE ALL OF IT
Rails, Python, WordPress, n8n, GHL: that's a lot of stacks, and the fair question is whether I'm spread too thin. The fundamentals are the same everywhere, only the syntax changes: data modeling, auth, payments, background jobs, deploys, testing. I've shipped payments with Stripe, Stripe Connect, and PayPal, auth with Devise and Google OAuth, and deploys on Kamal, Docker, Kubernetes, AWS, Azure, Cloudflare, Hetzner, and DigitalOcean. That's the portfolio, not a claim.
Testing is what lets one person move safely across stacks. ShopFlare: 2,084 unit tests, 95% coverage, 22 architecture decision records. Gymplex, a Rails app: 428 tests, 35 models. A Stripe subscriptions build: 100% line test coverage. Craftfoxes: a zero-downtime framework upgrade for 1,000+ active sellers.
Devsinc: 35% less query latency, 20% fewer errors, for 1,000+ users.
EasyForTrip: 60% less administrative overhead, 15+ hours removed weekly.
The tests catch what memory can't.
The AI era deserves credit for one real thing: tooling makes it faster to get productive in a new stack. That means you don't need a different specialist for every piece of your product. Fundamentals transfer, tooling speeds the ramp, tests keep it honest.
WORDPRESS SITES
PSD, Figma to pixel-perfect responsive designs. Plenty of the sites I touch already exist and just need work: bug fixes, a redesign, or a faster load time, done for clients outside Upwork too. On one WordPress project, page load went from 1.64 seconds to 0.34 seconds, 4.8x faster. The client, Amit Ramanuj, said the work "was completed sooner than expected time... he showed initiative, and presented solutions." I maintain five live client sites today, on Rails, Shopify, Jekyll, and Wix, so staying on top of a site after launch is a habit.
RESULTS FROM PAST CLIENTS
Gary G., who runs a mortgage company, says it plainly: "We now receive a solid 30% more quality mortgage approvals per week... brings us in 23 more closed and funded mortgages per month since our new website went live." At his stated $3,827.93 average commission per funded mortgage, that's roughly $88,000 a month in new commission, on his own numbers.
Matt L., Rails and DevOps: "Excellent in every way. A true expert, and someone who will go above and beyond to do a great job. Highly recommend."
Tom G., after hiring me more than once: "All code Muhammad did for me was the highest quality and had no issues... I'd recommend him for anything Ruby on Rails related."
HOW I WORK
Most of my work comes from clients who come back. Two contracts I started in 2022 are still running. Tom G. has hired me more than once. One client put it simply: "Zahid has always been a huge asset for our company."
I'll tell you when an idea is a bad one, even if it costs billable hours, because a client who trusts my judgment keeps me around longer than one who just gets a yes every time. I reply fast, explain things in plain words, and stay reachable after launch.
GOOD FIT IF YOU
- You have a Rails, Python, or WordPress site nobody wants to touch
- You want AI or automation, GHL or n8n, in a real product, not a prototype that never ships
- You want one developer for the product, not a hire per layer
- You'd rather know the honest price upfront than get a surprise invoice
If you already know the scope, my Project Catalog below has fixed-price Rails, FastAPI, and AI chatbot packages with set timelines, no back and forth needed.
Send me what you're building or where you're stuck. I read every message myself and reply with a clear next step, usually within a few hours. Invite me to your job to discuss your timeline
Steps for completing your project
After purchasing the project, send requirements so Muhammad Zahid can start the project.
Delivery time starts when Muhammad Zahid receives requirements from you.
Muhammad Zahid works on your project following the steps below.
Revisions may occur after the delivery date.
Add me to the collaborators on Heroku