Mohammad Hassan

Senior software engineer with eleven years modernizing one business-critical platform — from .NET Framework to .NET Core, on-prem to Azure/AWS, manual finance operations to unattended automated billing. I design for correctness and reliability, integrate complex enterprise systems, and mentor teams toward CI/CD and agile practices.

Experience

Vision33

Remote · Montreal, QC

1. Senior Software Developer

   Apr 2025 – Present

   • Lead design and development of internal .NET Core web platforms (Partner and Employee portals) providing secure, 24/7 web access to SAP Business One data.
   • Architect integration workflows on the Saltbox platform, connecting ERP, HR, and finance systems across SQL Server, Azure, and AWS to eliminate data silos.
   • Own automated financial features — auto-invoicing, recurring billing, and data migration — built on C#, .NET, and cloud functions, including Avalara AvaTax integration.
   • Serve as senior technical advisor; mentor junior developers and champion CI/CD and agile practices across the team.

2. Software Developer

   Jul 2016 – Mar 2025

   • Built and owned internal .NET Framework and .NET Core applications for HR and finance workflows, integrated with SAP Business One.
   • Implemented automated invoicing, custom reporting, and recurring background services using C#, ASP.NET MVC/Core, SQL Server, AWS, and Azure.
   • Delivered integration services for third-party APIs, including Smartsheet and Avalara AvaTax.
   • Migrated legacy applications to modern platforms — upgrading to .NET Core and deploying to the cloud.

3. Intern & Part-Time Developer

   Aug 2015 – Jun 2016

   • Contributed C# features to .NET Framework applications; assisted with SQL Server and external API integrations, gaining first Azure and AWS deployment experience.

Selected Work

• ERP Integration Platform

  Integration Architecture

  Internal partner and employee platforms providing secure 24/7 web access to SAP Business One, with Saltbox-orchestrated workflows connecting ERP, HR, and finance systems.

• Automated Billing & Tax Engine

  Financial Automation

  Unattended recurring billing — scheduled worker services that generate invoices, calculate tax through Avalara AvaTax, and post to SAP Business One with idempotent, replay-safe runs.

• Secure NFC e-Prescription System

  Applied Cryptography

  A privacy-preserving mobile e-prescription protocol using cryptographic proxy signatures for delegation and short group signatures for medical anonymity, delivered over NFC on low-power devices.

• Metabolomic Biomarkers for Osteoarthritis

  Data Science & Causal Inference

  Causal inference on population-based knee osteoarthritis data — Bayesian network structure learning to surface candidate metabolomic markers, validated with structural equation modeling and path analysis.

Capabilities

Platform

C#, ASP.NET Core & MVC, Worker Services, REST APIs

Integration & Cloud

SAP Business One, Saltbox, Azure, AWS, Avalara AvaTax, Smartsheet

Data

SQL Server, Firebase, caching, financial reporting

Frontend & Mobile

Next.js, Flutter, offline sync, biometric auth

Applied Research

Cryptographic protocols, Bayesian networks, SEM & path analysis

Education

• 

  M.Sc. Computer Science

  Memorial University of Newfoundland

  2013 – 2016

• 

  B.Sc. Computer Science & Engineering

  Shahjalal University of Science and Technology

  2004 – 2009

Honors & Awards

• 

  Pass with Distinction

  Memorial University of Newfoundland

  Jun 2016

  Graduated from the M.Sc. Computer Science program with distinction, recognizing an outstanding academic record across graduate coursework and thesis research.

• 

  University Merit Scholarship

  Shahjalal University of Science & Technology

  Jan 2006

  Awarded to selected students for excellent progress in the undergraduate academic semesters according to their class ranking.

Certifications

• 

  MCSD: App Builder

  Microsoft

  Sep 2016

  • Validates end-to-end skills for building modern web and mobile applications and services on the Microsoft stack.
  • Earned through the professional developer exam track spanning ASP.NET MVC, Azure, and web services.
• 

  Exam 70-487: Developing Microsoft Azure and Web Services

  Microsoft

  Jul 2015

  • Designing and implementing RESTful and SOAP services with ASP.NET Web API and WCF.
  • Choosing and implementing data access strategies — Entity Framework, ADO.NET, and Azure storage.
  • Deploying, scaling, and securing web services on Microsoft Azure.
• 

  MCSD: Web Applications

  Microsoft

  Jul 2015

  • Validates building interactive line-of-business web applications with ASP.NET MVC, HTML5, CSS3, and Azure.
  • Covers the full stack — from front-end markup and scripting to services and cloud deployment.
• 

  Exam 70-486: Developing ASP.NET MVC Web Applications

  Microsoft

  May 2015

  • Application architecture, user-experience design, and multi-tier deployment of ASP.NET MVC solutions.
  • Designing and implementing security, asynchronous patterns, and state management.
  • Troubleshooting and debugging web applications across the development life cycle.
• 

  MCPS: Microsoft Certified Professional

  Microsoft

  Mar 2015

  • Microsoft’s foundational professional credential, awarded on passing the first certification exam.
  • Entry point into the MCSD solutions-developer track.
• 

  Exam 70-480: Programming in HTML5 with JavaScript and CSS3

  Microsoft

  Mar 2015

  • Semantic HTML5 document structure, DOM manipulation, and canvas/SVG graphics.
  • JavaScript program flow, objects and prototypes, scoping, and asynchronous patterns.
  • Styling and laying out application UIs with CSS3.
• 

  Cisco Certified Network Associate (CCNA Exploration)

  Cisco

  Aug 2008

  • Network fundamentals — OSI and TCP/IP models, IPv4 addressing, and subnetting.
  • Configuring and troubleshooting Cisco routers and switches: routing protocols, VLANs, ACLs, NAT, and DHCP.