Mahmud Koli

Senior Software Engineer

Dhaka, Bangladesh | Open to Relocation
Professional Summary

Innovative Senior Software Engineer with 7+ years of experience designing and optimizing scalable web applications and leading high-performing teams in Agile environments. Expertise in full-stack development with a focus on .NET Core, Angular, SQL, and MongoDB, delivering solutions that boost efficiency, security, and user satisfaction. Passionate about leveraging cutting-edge technologies to solve complex business challenges at scale.

Professional Experience
Senior Software Engineer
Brain Station 23 PLC
Apr 2020 – Present
  • Transformed sales operations by leading the development of a Sales Force Automation system managing 30K+ daily orders for 3K+ employees, achieving a 40% efficiency gain.
  • Optimized system scalability using MongoDB, caching, CQRS, and table partitioning, reducing database read latency by 40%.
  • Designed and implemented a secure permission-based authorization system with full access control, improving compliance by 25%.
  • Integrated a background task scheduling system, reducing processing delays by 30% and improving operational efficiency.
  • Streamlined recruitment workflows for MetLife (Nepal & BD), cutting operational delays by 40%.
  • Implemented Single Sign-On (SSO) using SAML2, centralizing user authentication across multiple applications and improving security by reducing access vulnerabilities.
  • Developed bi-directional user synchronization system using .NET Core and RabbitMQ, enabling real-time data sync across 3 applications.
  • Integrated Salesforce CRM and Tableau analytics using REST APIs, enabling automated reporting dashboards.
Tech Stack: .NET Core, Angular, MSSQL, MongoDB, Caching, Hangfire, Azure Blob, AWS S3, RabbitMQ, CQRS, Clean Architecture, DDD, SAML2, SSO, Salesforce API, Tableau API
Software Engineer
Encoders Infotech Ltd.
Dec 2018 – Mar 2020
  • Developed forecasting and invoicing features, decreasing support tickets by 20%.
  • Improved supply chain accuracy by optimizing inventory tracking processes, achieving a 15% reduction in discrepancies.
  • Enhanced user experience by reducing page load times by 30% through query optimization and AJAX-based interactions.
Tech Stack: ASP.NET MVC, MSSQL Server, JQuery, AJAX
Key Projects
LEADRS - Stella Software (US Law Enforcement Platform)
  • Developed enterprise SSO and user synchronization system using .NET Core, SAML 2.0, and RabbitMQ for US law enforcement agencies.
  • Integrated Salesforce CRM and Tableau REST API for analytics and reporting automation.
GPL-MSFA (Sales Automation Platform)
  • Architected and deployed a platform for General Pharmaceutical Ltd., processing 30K+ daily orders for 3K+ employees.
  • Achieved a 40% performance improvement via MongoDB, caching, and table partitioning.
MetLife-MARS (Recruitment Automation)
  • Automated MetLife's recruitment processes, integrating training and onboarding workflows, resulting in a 40% reduction in process delays.
BGMEA-UDAS (Export Declaration Automation)
  • Enhanced export reliability by leveraging RabbitMQ and AWS S3 for optimized workflows.
Berger (Paint Calculator & Lead Generator)
  • Increased engagement by developing tools for paint area calculation and cost estimation, driving lead generation.
Email Marketing System (Personal Project)
  • Built an automated email scheduling platform, minimizing manual intervention.
  • GitHub: github.com/DevSkillDotnet/EmailMarketing
  • Demo: youtube.com/watch?v=d4_JOtY1P1I
Education
DIU
Daffodil International University
BSc in Computer Science & Engineering – 3.74 / 4.00 | 2019
Technical Skills
Programming Languages
C# (Expert), TypeScript (Proficient), SQL (Advanced)
Frameworks
.NET Core, Angular, Entity Framework Core
Databases
MSSQL, MongoDB
Tools
RabbitMQ, Docker, Hangfire, CI/CD (GitHub Actions)
Cloud Platforms
Azure Blob, AWS S3
Authentication & Security
SAML2, Single Sign-On (SSO), RBAC
Integrations
Salesforce API, Tableau REST API
Leadership
Team Lead, Code Reviews, Agile/Scrum
Languages
Bangla: Native English: Business Fluent