Experience
Saddam Hossain .NET
7 years and 2 months
Dhaka, Bangladesh
Remote
Freelance Software Engineer
Self-employed
May 2018 - Present
Engaged in freelance software engineering projects on platforms such as Upwork, Fiverr, and Freelancer. Throughout the world, I have successfully completed over 150 small to mid-level projects for clients across various industries, consistently delivering on time and within budget.
With a strong commitment to staying current in the industry, I continuously invest in professional development, including architecture-related courses and continuous learning. This proactive approach enables me to deliver cutting-edge solutions to clients.
Furthermore, I am actively involved in creating informative blog posts, developing projects, marketing them, and selling them. I maintain a strong commitment to delivering exceptional quality.
Rushd Consulting
2 Months
Riyadh, Saudi Arabia
Remote
Back End Developer
Contract
April 2025 - May 2025
Developed a broad range of production-grade APIs using ASP.NET Core Web API, following best practices for performance and scalability.
Applied Domain-Driven Design (DDD), Clean Architecture, and Vertical Slice Architecture to deliver modular and maintainable backend solutions.
Refactored codebase extensively to enforce clean code principles and improve system efficiency.
Managed database schema evolution, entity modeling, and domain-level validation to support complex business logic.
Skills:
C# · ASP.NET CORE · ASP.NET Core Web API · Entity Framework (EF) Core · LINQ · Microsoft SQL Server · Swagger API · REST APIs · Repository Pattern · Domain-Driven Design (DDD) · Clean Architecture · Vertical Slice Architecture · Git
Linkiify
1 year 11 months
Zurich, Switzerland
Remote
Senior Software Engineer
Contract
May 2023 - March 2025
Collaborated with the CEO and management to develop top-quality products.
Created .NET applications and contributed to feature development.
Ensured smooth production deployment using Azure Pipeline (CI/CD) and optimized system performance.
Delivered new features efficiently to meet evolving company needs.
Skills:
C# · ASP.NET CORE · ASP.NET Core Web API · Entity Framework (EF) Core · LINQ · Microsoft SQL Server · Swagger API · REST APIs · Repository Pattern · Layer Architecture · Blazor (Server side & Web Assembly) · Mudblazor · .NET MAUI · HTML · CSS · Bootstrap · JavaScript · Microsoft Azure · Azure DevOps · Azure SQL · Azure CI/CD · Azure AD B2C · Blob Storage · Web Jobs · In-Memory Cache · Azure Cache for Redis · Stripe, PayPal · xUnit · Fluent Assertions · NSubstitute · NetArchTest · Serilog · Git
Bundaberg Sugar Ltd
3 months
Bundaberg, Queensland, Australia
Remote
Dotnet Developer
Contract
May 2024 - Jul 2024 (3 months)
Collaborated with the IT head to develop a web-based application.
Enhanced and developed new features for the existing application.
Skills:
C# · ASP.NET CORE · Entity Framework (EF) Core · LINQ · Microsoft SQL Server · Repository Pattern · Layer Architecture · HTML · CSS · Bootstrap · JavaScript · jQuery · Ajax · JSON · xUnit · Fluent Assertions · NSubstitute · NetArchTest · Serilog
Staplefoods
2 years 7 months
Munich, Bavaria, Germany
Remote
Senior Software Engineer
Full-time
Oct 2020 - April 2023 (2 years 7 months)
Collaborated with the CEO and management to develop top-quality products.
Created .NET applications and contributed to feature development.
Ensured smooth production deployment using Azure Pipeline (CI/CD) and optimized system performance.
Delivered new features efficiently to meet evolving company needs.
Skills:
C# · ASP.NET CORE · ASP.NET Core Web API · Entity Framework (EF) Core · LINQ · Microsoft SQL Server · Swagger API · REST APIs · Repository Pattern · Layer Architecture · Blazor (Server side & Web Assembly) · Mudblazor · .NET MAUI · HTML · CSS · Bootstrap · JavaScript · Microsoft Azure · Azure DevOps · Azure SQL · Azure CI/CD · Azure AD B2C · Blob Storage · Web Jobs · In-Memory Cache · Azure Cache for Redis · Stripe, PayPal · xUnit · Fluent Assertions · NSubstitute · NetArchTest · Serilog · Git
Sidebench
4 months
Los Angeles, California, United States
Remote
Back End Developer
Contract
Sep 2021 - Dec 2021 (4 months)
Collaborated as a Backend Developer for the Kensho Health project.
Brainstormed with the Scrum Master and team members to develop new features.
Developed multiple efficient API endpoints.
Skills:
C# · ASP.NET Core · ASP.NET Core Web API · Entity Framework (EF) Core · LINQ · Microsoft SQL Server · Stored Procedures · Dapper ORM · Swagger API · REST APIs · Clean Architecture · Scrum · Jira · Slack · Git
Guardian Life Insurance Limited
4 years 2 months
Dhaka, Bangladesh
Hybrid
Senior Software Engineer
Full-time
Mar 2017 - Sep 2020 (3 years 7 months)
Developed and updated software programs based on specifications.
Engaged stakeholders for customer portals, ensuring clear tech requirements and feedback.
Initialized Project Development based on the requirements.
Wrote and maintained software, adhering to quality standards and technical specifications.
Independently handled production deployments.
Contributed significantly as a core member of the .NET Team, delivering high-quality features within deadlines.
Software Engineer
Full-time
Aug 2016 - Feb 2017 (7 months)
Developed internal applications to optimize company processes.
Designed and managed databases based on specific requirements.
Configured and hosted diverse projects on Windows Server 2012 R2.
Implemented interactive Business Intelligence solutions using SSRS.
Created complex queries, stored procedures, and Jobs in SQL Server.
Efficiently integrated the sslcommerz payment gateway for secure online transactions.
Developed various applications using ASP.NET MVC 5 with MSSQL database, including Insurance Management, Inventory, Requisition, Online Term Life Insurance, Reinsurance, SME Calculator, and Management Systems.
Skills:
C# · ASP.NET MVC · Entity Framework · LINQ · Microsoft SQL Server · Stored procedure · Dapper ORM · Git · HTML · CSS · Bootstrap · JavaScript · jQuery · Ajax · JSON · Crystal Report · RDLC Report
Index Group
1 year 11 months
Dhaka, Bangladesh
On-site
Software Developer
Full-time
Oct 2014 - Aug 2016 (1 year 11 months)
Designed, developed, and maintained software programs to meet quality standards.
Installed and supported software applications and systems.
Researched and implemented new technologies to improve applications.
Developed ASP.NET MVC web applications.
Created optimized user interfaces for projects.
Implemented SEO for the official website.
Skills:
C# · ASP.NET MVC · Entity Framework · LINQ · Microsoft SQL Server · HTML · CSS · JavaScript · jQuery · Ajax
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