Available for new Q3 engagements

Engineering resilience into every system.

I am Sumit Srivastava, a specialized engineer dedicated to building high-performance SaaS, robust cloud backends, and modular architectures designed to scale indefinitely. I also lead Syntax Sinners, a collective of elite developers.

View My Systems Get in Touch
1,500+ Active Users
99.9% Uptime SLA
15+ Enterprise Deploys
SYSTEMS DEPLOYED FOR

Trusted by industry leaders and innovative startups worldwide

Prospine
Prospine Healthcare
Manipal Physiotherapy
OurspaceOS
PhysioEZ
Chai Junction
Invenio
AIC
Tirupati Courier Service
Choice Computers
Hisab-Kitab
Prospine
Prospine Healthcare
Manipal Physiotherapy
OurspaceOS
PhysioEZ
Chai Junction
Invenio
AIC
Tirupati Courier Service
Choice Computers
Hisab-Kitab

Production software,
not demo projects.

I don't just write code. I architect systems designed for scale, security, and maintainability.

🏗️

Multi-Tenant SaaS Architecture

Robust database isolation, role-based access control (RBAC), and scalable API design built for thousands of concurrent users.

📊

Operational Dashboards

Real-time data visualization and admin panels that give businesses control over their workflows.

📱

Mobile Ecosystems

Native and cross-platform mobile applications (Flutter/React Native) integrated seamlessly with backend APIs.

🔌

API Integrations

Connecting your business tools. Payment gateways, CRMs, and third-party services.

🛡️

Backend Infrastructure & DevOps

CI/CD pipelines, containerization, cloud deployment (AWS/DigitalOcean), and automated monitoring systems to keep your software running 24/7.

Real systems built for
real businesses.

01
Live
Industrial Suite

PhysioEZ Desktop

High-performance native clinic management engine designed for secure healthcare operations and real-time synchronization.

  • Native system integration
  • Secure patient data warehousing
  • High-concurrency performance
Tauri React Node.js
SS AK SK
Lead Architecture With Core Team
System View
physioez.app/dashboard
PhysioEZ Desktop Dashboard
02
Live
Mobile Extension

PhysioEZ Mobile

Premier mobile solution for digitizing complex healthcare workflows and maintaining efficient, paperless clinic management.

  • Low-latency data access
  • Offline-ready persistence
  • Biometric authentication
React PHP Tauri JS
Solo Project Architecture & Dev
System View
PhysioEZ Mobile App
03
Live
Developer Tooling

SystemOps Console

Internal observability platform built to monitor live application traffic, system logs, authentication events, and operational diagnostics across production services.

  • Real-time request tracking
  • Live system log streaming
  • Security & authentication audits
Python Node.js PostgreSQL WebSockets
Developer Tooling Lead Architect
System View
SystemOps Console
04
Live
Fintech Ledger

InnerCircle Loyalty

Comprehensive CRM and loyalty platform designed to enhance customer engagement and streamline cafe network management.

  • Innovative loyalty ledger
  • Enhanced customer engagement
  • Efficient management tools
HTML/CSS JS PHP Rust
Fintech Systems Lead Architect
System View
InnerCircle Loyalty Platform
05
Live
Financial Systems

Hisab-Kitab Ledger

Thoughtfully crafted platform for streamlined personal and business financial management with a focus on intuitive clarity.

  • Atomic transaction tracking
  • Efficient budgeting tools
  • Financial clarity insights
React Node.js TypeScript SQLite Rust
Financial Ledger Full Stack Dev
System View
Hisab-Kitab Ledger
06
Live
Operational Engine

RoomOS

Premium shared living management application designed to harmonize house finances, chores, and communications.

  • Smart wallet & settlements
  • Intelligent chore roster
  • Integrated house chat
Rust React TS Node.js
SS AS
Operational Lead Modular Architecture
System View
RoomOS Dashboard
07
Live
Admin Analytics

Prospine Admin Console

Centralized administrative platform for monitoring healthcare system health, records, and secure employee workflows.

  • Role-based access control
  • Encrypted communication
  • Audit-grade logging
PHP Python JS HTML/CSS
Admin Systems Lead Architect
System View
prospine.internal/admin
Prospine Admin Console
08
Extended Portfolio
BEYOND FEATURED

Explore My Full Portfolio

While these are my flagship builds, I have executed dozens of specialized projects across fintech, healthcare, and industrial automation.

  • 15+ Specialized Micro-SaaS tools
  • Custom internal business logic engines
  • Scalable cloud infrastructure setups
InkVerse
Invenio
ScholarWeb
ProSpine Chat bot
ProSpine Healthcare
ProSpine Healthcare Website
Hisab-Kitab Old

From concept to
production deployment.

I follow an agile, engineering-first methodology. No bloated project management, just clear milestones and working software.

1

Discovery & Audit

I analyze your requirements and existing infrastructure to propose the most efficient architecture.

Architecture Plan Infrastructure Audit Tech Roadmap
2

Sprint Development

2-week sprints with deployable builds at the end of every cycle. You see progress constantly.

UAT Links Feature Demos QA Reports
3

Launch & Scale

Production deployment, monitoring setup, and handover documentation.

Live Production Health Monitoring Ops Manual

audit.ts

const discovery = async () => {
  // Review requirements + constraints
  await product.audit();
  await infra.review();

  // Output: implementation blueprint
  return architecture.plan;
};

High-level engineering, personal vision.

Sumit Srivastava
Founder & Lead Architect

Sumit Srivastava

Leading the engineering vision for high-performance system architecture and production-grade SaaS platforms. Founder of Syntax Sinners.

The Collective

I founded Syntax Sinners to bridge the gap between "prototype" and "production." We are a collective of high-level engineers who prioritize operational excellence.

Technical Vision

Expertise in Rust, Node.js, and Cloud Systems. My work focuses on building tools that empower businesses to scale without technical debt.

READY TO SCALE?

Need a developer who
actually ships?

From high-availability SaaS architectures to mission-critical business kernels, I build production software for the real world.

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Booking now for Q2 2026