I am a Senior Software Engineer with 7+ years of experience delivering enterprise SaaS platforms, ERP systems, HR management solutions, e-commerce applications, and healthcare/inventory platforms. I take pride in building reliable, scalable software that solves real business problems. I specialize in full-stack development with C#, ASP.NET Core, Angular, and React, and I enjoy mentoring teammates and championing best practices to help teams ship features quickly and with quality.…

Saif Rehman

I am a Senior Software Engineer with 7+ years of experience delivering enterprise SaaS platforms, ERP systems, HR management solutions, e-commerce applications, and healthcare/inventory platforms. I take pride in building reliable, scalable software that solves real business problems. I specialize in full-stack development with C#, ASP.NET Core, Angular, and React, and I enjoy mentoring teammates and championing best practices to help teams ship features quickly and with quality.…

Available to hire

I am a Senior Software Engineer with 7+ years of experience delivering enterprise SaaS platforms, ERP systems, HR management solutions, e-commerce applications, and healthcare/inventory platforms. I take pride in building reliable, scalable software that solves real business problems.

I specialize in full-stack development with C#, ASP.NET Core, Angular, and React, and I enjoy mentoring teammates and championing best practices to help teams ship features quickly and with quality.

See more

Skills

Experience Level

.NET
Expert
AngularJS
Expert
ASP.NET
Expert
C#
Expert
MySQL
Expert
PostgreSQL
Expert
SQL
Expert

Work Experience

Software Engineer at Solvey
September 1, 2025 - Present
Contributing to the development of enterprise-grade and SaaS solutions using .NET and Angular, focusing on designing clean architecture solutions, multi-tenant architectures, and implementing advanced analytics modules.
Software Engineer at Eratech
October 1, 2022 - September 1, 2025
Developed and enhanced large-scale, subscription-based POS systems to ensure high-performance transaction processing and inventory management.
Front End Developer at Sizdom Technologies
November 1, 2021 - August 1, 2022
Worked on building responsive and high-performance web applications using Angular and React, focusing on user-centric design and seamless API integration.
Senior Software Engineer at Nextbridge
December 1, 2023 - Present
Led development of enterprise SaaS apps (BLOCKSPOS, BLOCKS-DAILYBOOK, BLOCK-ECom, BLOCKSQSR) using C#, Angular, React, ASP.NET Core, SQL Server, and EF Core. Architected microservices with API Gateway and event-driven design; implemented secure authentication via JWT, OAuth 2.0, and Azure AD B2C. Built reactive front-end modules with Angular/React, integrated payment gateways and webhooks, and automated financial workflows with Hangfire. Optimized performance with Redis caching, LINQ, and SQL Server indexing; designed GraphQL and REST APIs. Configured CI/CD with Azure DevOps, Docker, GitHub Actions; maintained Swagger, Postman; mentored junior engineers.
Software Engineer at Sizdom Technologies
July 1, 2020 - November 1, 2023
Delivered Clinic Management and Stock Management systems using C#, Angular, React, ASP.NET Core, and SQL Server; built modular, responsive UIs with RxJS and Bootstrap. Developed ASP.NET Core Web APIs with repository/service layers; implemented real-time notifications via SignalR and multi-role authentication using Identity Server 4/JWT. Enhanced database and app performance with EF Core, LINQ, stored procedures, and indexing; deployed Dockerized microservices to Kubernetes (AKS). Managed CI/CD with GitLab, Azure App Services, IIS; wrote unit and integration tests with xUnit and documented APIs with Swagger. Collaborated in Agile/Scrum and mentored team members.
Associate Software Engineer at iTechDoor
August 1, 2018 - June 1, 2020
Developed dynamic web applications and RESTful APIs using ASP.NET MVC/Web API, Angular, React, C#, and SQL Server; implemented Razor views and reusable front-end components. Built Blog Management App with JWT authentication and role-based access; consumed APIs via AJAX/JavaScript. Optimized database performance with EF Core, LINQ, stored procedures; conducted functional and API testing with Postman, Swagger; maintained source control with Git/Bitbucket; deployed on IIS. Participated in Agile Scrum.

Education

Bachelor of Science in Information Technology at Punjab University
August 27, 2014 - November 16, 2018

Qualifications

Bachelor of Science in Information Technology
August 27, 2014 - November 16, 2018

Industry Experience

Software & Internet, Healthcare, Professional Services
    Inventory Management POS – Retail Inventory & Billing System

    Built a high-performance inventory and POS management platform using ASP.NET Core Onion Architecture, Angular, SQL Server, and REST APIs. The system manages inventory tracking, stock monitoring, billing, supplier management, sales reporting, and real-time business analytics. Developed scalable backend services and responsive Angular dashboards optimized for retail and multi-store business environments.

    CRM Dashboard – Enterprise CRM & Business Analytics Platform

    Engineered a scalable CRM dashboard using ASP.NET Core Clean Architecture, Angular, SQL Server, and RESTful APIs. Developed modules for customer management, workflow automation, reporting dashboards, analytics tracking, notifications, and role-based access systems. Focused on scalable backend architecture, optimized database performance, and responsive frontend dashboards for enterprise business operations.

    AutoApply – AI-Based Job Application & Email Automation Platform

    Developed an automated job application platform using ASP.NET Core, Angular, REST APIs, and workflow automation services. The platform automates email communication, job matching, CV submissions, and application tracking workflows. Built scalable backend services, admin dashboards, and secure API integrations to streamline recruitment processes and improve application efficiency for users.

    Block Ecom – Multi-Tenant E-Commerce SaaS Platform

    Built a scalable e-commerce platform using ASP.NET Core Microservices, Angular, SQL Server, and REST APIs. Developed modules for product management, order processing, payment workflows, customer management, inventory tracking, and admin analytics dashboards. Designed multi-tenant SaaS architecture with secure authentication, API integrations, and responsive frontend experiences optimized for performance and scalability.

    IBIS HR – Employee & HR Management SaaS Platform

    Designed and developed a modern HR management platform using ASP.NET Core, Angular, ASP.NET Zero, and SQL Server. The platform centralizes employee onboarding, attendance tracking, leave management, payroll workflows, reporting dashboards, and role-based administration. Built scalable REST APIs and responsive Angular dashboards to streamline HR operations and improve workflow automation for enterprise organizations.

    Block POS – Enterprise POS & Restaurant Management SaaS

    Developed a scalable cloud-based POS and restaurant management platform using ASP.NET Core, Angular, Microservices Architecture, and SQL Server. The system supports billing, inventory management, kitchen workflows, sales analytics, order processing, multi-branch operations, and role-based access control. Built secure REST APIs, real-time dashboards, and responsive Angular interfaces optimized for high-volume business operations and enterprise scalability.