Mohd Ahmad

Mohd Ahmad

Senior Software Engineer — HealthTech & E-Commerce (Magento / Shopify)

HealthTech ⚕️ & E-Commerce 💼 Engineer — Laravel | Magento | Microservices

Full-stack engineer with 10+ years of experience delivering HIPAA-compliant healthcare platforms and enterprise-scale Magento e-commerce solutions

With over 10 years of experience, I specialize in designing and deploying HIPAA-compliant HealthTech systems and enterprise E-Commerce platforms. My work spans IoT-enabled medical device data pipelines, EHR/EMR integrations, and multi-store Magento ecosystems optimized for speed and scalability.

I build secure, high-availability backends powered by microservices (Node.js, Golang, PHP/Laravel) deployed on GCP and AWS. From encrypted patient data flows to 100K+ transaction-ready online stores, I deliver systems that are robust, maintainable, and performance-driven.

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Professional Summary

10+ years of experience building HIPAA-compliant healthcare systems, specializing in:

  • Microservices architecture (Node.js, NestJS, Golang, PHP) deployed on GCP.
  • Real-time medical device data pipelines (SpO₂, lung therapy, sleep sensors).
  • M2M authentication, firmware OTA updates, and multi-language versioning.
  • Third-party EHR/CRM integrations (Salesforce, Athena Health, Sonde Health).
  • Integrated Twilio IVR SDK for automated patient reporting.
  • End-to-end encryption (database-at-rest, patient PII columns).

Technical Skills

Backend:

Node.js, NestJS, Golang, PHP (Laravel, CodeIgniter, MVC)

Frontend:

Angular, React.js, React Native, TypeScript, JavaScript, HTML5, CSS3, Tailwind, Bootstrap

Databases:

MySQL, PostgreSQL, MongoDB, SQL Server

E-commerce:

Magento 1/2 (custom modules, performance tuning), Shopify, OpenCart

HealthTech & Integrations:

HL7/FHIR, EHR/EMR, HIPAA compliance, Salesforce Health Cloud, Athena Health

Cloud & DevOps:

AWS, GCP, Docker, Kubernetes, CI/CD

Security:

JWT, OAuth2, RBAC, Encryption-at-rest

Version Control & Collaboration:

Git (GitHub, GitLab, Bitbucket)

Project Tools:

GitHub, GitLab, Jira, Confluence

Other:

Google Pub/Sub, Twilio IVR SDK, Postman, Swagger, Nginx, Apache

Work Experience

Senior Software Engineer

2016 - Present

Path2success

Noida, India

Healthcare IoT & Microservices Development

  • Integrated Athena Health APIs, Salesforce Health Cloud, Sonde Health's voice-based diagnostics.
  • Built a microservice ecosystem for real-time patient vitals monitoring (SpO₂, pulse rate) from Bluetooth/Hub-enabled PulseOx devices (Golang, Node.js + MySQL, PostgreSQL).
  • Developed APIs for sensor-based sleep movement belts, storing and analyzing patient activity patterns (Node.js (Express) + MongoDB).
  • Designed M2M authentication for a lungs therapy device using certificates (CA, client/server certs) and implemented OTA firmware updates with workflows.
  • Enforced RBAC for EHR access (patient/caregiver/admin tiers) with JWT/OAuth 2.0.

Full Stack Developer

2012 - 2016

PeopleCRM Software Ltd

New Delhi, India

Web & E-Commerce Solutions Architect

  • Developed 15+ enterprise e-commerce and ERP systems using PHP, Magento, and MySQL.
  • Built and maintained multi-store Magento 1/2 environments with custom modules and secure payment integrations (CCAvenue, PayU, Razorpay).
  • Implemented advanced caching and indexing strategies, reducing page load times by 40%.
  • Designed REST APIs for product catalogs, order tracking, and CRM integrations.
  • Migrated legacy OpenCart/CodeIgniter sites to Laravel for improved performance and maintainability.

Key Technologies: PHP, Magento, JavaScript, MySQL, jQuery, Bootstrap

Education

MCA [Sikkim Manipal University]

BCA [Sikkim Manipal University]