Rezaul Karim

Client: Deloitte

• Contributed to the successful completion of projects by meeting deadlines and adhering to best practices in .NET development.
• Monitored database performance to keep workflows running smoothly.
• Developed scalable software solutions using C#, .NET Core and MVC Framework
• Designed and maintained RESTful APIs and SOA services to improve system integration
• Migrated database infrastructure from Oracle to MS SQL Server, enhancing reliability and performance
• Created UML diagrams (Activity, Class, Sequence) to document system architecture
• Employed DDD and CQRS methodologies to optimize scalability and maintainability
• Implemented secure logging and compliance mechanisms for data integrity
• Conducted system analysis, reengineering, and documentation to improve efficiency

• Developed and implemented efficient financial software solutions using .NET Core 8 and C# Version 9.0
• Led the adoption of WEB API and web services, enhancing backend capabilities and system response times
• Collaborated with stakeholders to validate architectural blueprints through prototypes and documented design patterns for future use
• Employed Domain-Driven Design (DDD) and Command Query Responsibility Segregation (CQRS) methodologies to refine system architecture and enhance scalability
• Transitioned database infrastructure from Oracle to Microsoft SQL Server, boosting reliability and development efficiency
• Implemented security models and logging mechanisms to maintain data integrity and compliance
• Worked closely with clients to gather requirements and translate them into technical specifications for implementation.
• Continuously updated skills through training courses, workshops, and self-study—staying current on industry trends and emerging technologies.

• Developed sophisticated healthcare software solutions, including EMR, RIS (PACS), and LIS, leveraging HL7 protocol for seamless data integration and interoperability
• Designed and developed sophisticated healthcare software solutions like EMR, RIS (PACS), and LIS utilizing ASP.NET Core Microservice architecture, Restful API, C# Version 9.0, and Azure SQL Service, resulting in a significant 40% boost in software efficiency
• Spearheaded the integration of JavaScript frameworks such as Angular to enhance front-end capabilities, leading to a notable 25% surge in user engagement
• Worked closely with domain experts to validate requirements and meticulously formulated sprint plans, project charters, and schedules
• Oversaw daily scrum meetings to ensure alignment with project objectives
• Pioneered the rollout of an innovative digital healthcare platform linking 25+ hospitals and medical centers, addressing the healthcare needs of over 300,000 patients in Bangladesh
• Employed Domain-Driven Design (DDD) and Command Query Responsibility Segregation (CQRS) methodologies to refine system architecture and enhance scalability
• Leveraged Azure Logic Apps, Azure Functions, Azure API Management, and Cosmos DB to facilitate seamless integration and data management within the healthcare ecosystem
• Transitioned product platform from Oracle to Microsoft SQL Server Database, which enhanced overall software development processes and reliability

• Spearheaded the development of an advanced Hospital ERP software suite covering essential modules like Billing, IPD, OPD, Nurse Station, HR & Payroll, Accounting, MIS, Purchase, Housekeeping
• Employed ASP.NET Core, C# version 5.0, and Azure SQL Service, resulting in a significant 20% boost in software efficiency
• Collaborated closely with subject matter experts to validate requirements and meticulously crafted sprint plans, project charters, and schedules, ensuring alignment with project objectives through daily scrum meetings
• Pioneered the deployment of a groundbreaking Hospital ERP platform linking 30+ hospital, effectively addressing the healthcare needs of over 1,00,000 patients in Bangladesh
• Developing a back-end API for United Commercial Bank PLC in Bangladesh using ASP.NET Core and C# can significantly enhance the Online Banking module by improving its performance and scalability
• Utilized Azure and AWS services for integration and data management, set up robust CI/CD pipelines

• Develop back-end API for international product (www.chefonline.co.uk a product which is developed by Amber software solutions Ltd for UK), restaurant EPOS using ASP.NET MVC, C# version 4.0, MS SQL Server and AWS Services, resulting in a 25% increase in performance and scalability
• Worked within a team to build Manufacturing ERP suite covering essential modules like Sales, Distribution, HR & Payroll, Accounting, MIS, Purchase, LC Management and Supplier portal using ASP.NET MVC, C# version 4.0, MS SQL Server, Telerik Control and Telerik Reporting tool
• Developed and maintained a Retail POS using C# version 6.0, .NET 4.5 resulting in a 40% increase in performance and scalability
• Transitioned product platform from MySQL to Microsoft SQL Server Database, which enhanced overall software development processes and reliability

• Converted a VB.Net ,ASP.net WebForm Micro-Finance Management Software to ASP.NET MVC, C#, MS SQL Server, incorporating Telerik Control and Telerik Reporting tool, boosting efficiency by 40% and scalability, catering to 200,000 members with integrated MIS, Accounts Module, and HR modules
• Worked within a team to build a Web based Accounting System using ASP.NET WebForm, C#, MS SQL Server, Telerik Control and Telerik Reporting tool resulting in a 25% increase in performance and scalability
• Transformed the VB.Net Desktop Application Warehouse Management System (WMS) to ASP.NET WebForm C# and MS SQL achieving a 4x speed boost, 67% code reduction
• Performed end-to-end implementation of services