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You will get Production-Ready Backend Systems with Secure Auth, APIs & Cloud Deployments

Mihir S.Status: Offline
Mihir S. Mihir S.
3.2
Preview image

Let a pro handle the details

Buy Web Application Programming services from Mihir, priced and ready to go.
Mihir S.Status: Offline
Mihir S. Mihir S.
3.2
Preview image

Let a pro handle the details

Buy Web Application Programming services from Mihir, priced and ready to go.

Project details

You will get a production-grade backend system tailored for scalability, performance, and security. I specialize in building Node.js-based microservices, secure API integrations, and deploying on cloud platforms like GCP and AWS.

With 3.5+ years of experience, I’ve helped SaaS businesses and enterprise teams deliver high-throughput backend systems with real-time features using WebSockets, Apache Kafka, and OAuth2-secured APIs.

Whether you're building a new app or scaling an existing one, I’ll deliver:
=> Modular microservices with RESTful APIs
=> CI/CD automation for smooth deployments
=> Cloud infrastructure setup (GCP, AWS)
=> Integration with tools like OpenAI, Slack, Zoho, and more
Let’s streamline your backend — fast, reliable, and future-proof.
Programming Languages
JavaScript, Python, TypeScript
Coding Expertise
Performance Optimization, Security, Design
What's included
Service Tiers Starter
$120
Standard
$300
Advanced
$750
Delivery Time 7 days 14 days 30 days
Number of Revisions
3UnlimitedUnlimited
Design Customization
Content Upload
Responsive Design
Source Code
Optional add-ons You can add these on the next page.
Fast Delivery
+$50 - $200
3.2
1 review
1% Complete
(0)
1% Complete
(0)
100% Complete
(1)
1% Complete
(0)
1% Complete
(0)

SD

Sam D.
3.20
May 27, 2025
Experienced SaaS Developer Needed to Customize Cal.com – Multi-Tenant Scheduling Platform
Mihir S.Status: Offline

About Mihir

Mihir S.Status: Offline
Backend & DevOps Engineer | Node.js, Microservices, APIs, GCP, CI/CD
3.2  (1 review)
Rajkot, India - 12:00 am local time
I build scalable backend systems, real-time APIs, and cloud-native microservices using Node.js, TypeScript, PostgreSQL, and GCP — engineered for high performance, low latency, and production-grade reliability.

Whether you need a custom API, a full microservices redesign, DevOps automation, or real-time omnichannel integrations (WhatsApp, Instagram, Slack, Zoho, Calendly), I deliver backend systems that are robust, secure, and ready to scale.


✅ What I Can Build for You
API Engineering & Integrations
• REST, WebSockets, OAuth2/JWT
• Third-party integrations: OpenAI, Zoho, Slack, Calendly, Meta APIs
• Real-time data pipelines & event-driven architecture

Backend Development
• Node.js, TypeScript, Express.js
• Microservices & distributed systems
• SQL database design (PostgreSQL, MySQL)

DevOps & Cloud
• GCP: Cloud Functions, Compute Engine, Pub/Sub
• AWS: S3, EC2
• CI/CD pipelines (Jenkins, GitHub Actions)
• Docker, Nginx, Containers

Chatbots & AI Integrations
• OpenAI-powered messaging automation
• Multichannel communication (WhatsApp, FB, IG using Meta API)
• Socket.io & Kafka-based real-time systems


✅ Why Clients Hire Me
▣ Scalable Architecture – engineered for 10K+ concurrent users (proven in production).
▣ Strong Cloud + DevOps background – faster deployments, fewer errors.
▣ Business-Focused Development – I translate requirements into clear backend logic.
▣ Enterprise Experience – including architecture presented at GITEX Dubai.
▣ On-time delivery – 100% successful delivery in past full-cycle projects.


💡 Let’s Build Something Production-Ready
If you're looking for a backend engineer who can own APIs, infrastructure, integrations, and real-time systems end-to-end — let’s talk.
I respond quickly and can start with a short consultation.

Steps for completing your project

After purchasing the project, send requirements so Mihir can start the project.

Delivery time starts when Mihir receives requirements from you.

Mihir works on your project following the steps below.

Revisions may occur after the delivery date.

Requirement Analysis & Planning

Review all project inputs, define architecture, confirm scope and timeline.

API & Backend Development

Build secure, scalable backend using Node.js, Express, or Python and PostgreSQL, or MySql.

Review the work, release payment, and leave feedback to Mihir.