— Experience
Experience
My professional journey and the roles I've held
Software Engineer
TechnoNext Software Ltd. (Concern of US-Bangla Airlines)Online Travel Agency
A multi-tenant OTA platform that enables travel agencies to search, compare, book, and manage flights, hotels, holiday packages, and other travel services.
- -Built scalable software solutions for 6 OTA clients including TripLover, TravelChamp, FirstTrip, TakeTrip, TakeOff, & TripLover Dubai
- -Contributed to the OTA dynamic ecosystem comprising 36+ services, ensuring scalability, high availability, and fault tolerance
- -Architected and led development of a multi-tenant OTA SaaS project supporting both B2B & B2C business models, enabling a single codebase to serve multiple clients with isolated configurations
- -Built an automated API integration test suite using xUnit for 30+ supplier integration projects, ensuring consistent API behavior and accelerating release validation
- -Led the migration of the core database from SQL Server to PostgreSQL, reducing licensing costs and improving cross-platform compatibility on Linux infrastructure
- -Integrated APM monitoring with Elasticsearch-based structured logging, cutting production failure rates by 30% and dramatically reducing mean-time-to-debug
- -Developed a background service using ASP.NET Core & Hangfire that automatically cancels un-ticketed bookings before the last ticketing time, reducing ADM penalties by $4,500–$6,400/month per OTA and saving approximately $23,000–$27,000 overall across 6 clients
- -Implemented key OTA features — Progressive Search, Search Ranking, Universal Split PNR, Refund Reissue, PNR Details
- -Delivered cloud-native 8 supplier integration projects (Sabre, Travelport, Travelport NDC, Air India, Flydubai, SQ NDC, TK NDC, & Indigo), increasing flight search feed by 27%
- -Migrated 8 legacy .NET Framework applications to .NET Core, enabling cross-platform deployment on Linux servers and reducing infrastructure costs by eliminating Windows Server licensing
- -Contributed to CI/CD pipelines and code reviews, and supported onboarding & mentoring of new team members
Foodi
A food delivery platform that enables customers to browse restaurants, place orders, make payments, and track deliveries in real time.
- -Improved API response time by implementing a read/write Redis caching strategy for better scalability
- -Designed and developed the Engagement Automation feature for Foodi-CRM to streamline customer & operation team communication workflows
Fare Comparison
An airline fare intelligence platform that enables airlines to compare competitors' real time fares, flight schedules, and seat availability, providing data-driven pricing recommendations to maximize revenue and profitability.
- -Designed and developed the end-to-end platform, delivering a scalable and responsive web application
- -Integrated multiple GDS, NDC Suppliers to aggregate competitor fares, flight schedules, and seat availability, normalizing data for accurate comparison and analysis
- -Engineered pricing-intelligence logic to analyze market data and generate data-driven fare recommendations, helping airlines optimize ticket pricing and maximize revenue
Jr. Software Engineer
Bdjobs.com Ltd.Bdjobs.com & Recruiter.Bdjobs.com
Platforms that connects job seekers with employers by enabling job posting, job search, application management, resume submission, and recruitment workflows.
- -Collaborated with product, backend & QA teams to migrate Bdjobs.com corporate panel from legacy ASP to Angular and ASP.NET Core, enhancing platform functionality and performance
- -Developed key features — Employers Job Posting and Hiring System and Candidate SkillMatch Score, increasing platform sales by 17%
- -Implemented a CQRS-style architecture with an ETL pipeline separating read/write databases for job listings; database query optimization reduced query time and improved search efficiency by 30%
Jr. Software Engineer (Part-Time)
E-Desh LimitedCourier Platform
A comprehensive logistics platform that streamlines parcel booking, real-time tracking, last-mile delivery, reverse logistics, fulfillment, and cross-border shipping through a centralized management system.
- -Collaborated with a team of remote developers to design and develop the company's website using React and ASP.NET Core
- -Crafted front-end (React), built APIs, and optimized existing codebase & database, resulting in improved website performance and responsiveness