Sakhawat Hosen

Co-Founder & Software Engineer

IonTrip Ltd • Indépendant

Nov 2025 - Present • 11 mos

Co-Founder & 25% Shareholder of IonTrip Ltd., contributing to the development of advanced B2B and B2C travel technology platforms. Responsible for full-stack development, system architecture, travel API integrations, booking workflows, and technical strategy. Worked extensively with GDS and NDC systems, including Travelport and Sabre, as well as LCC (Low-Cost Carrier) APIs for flight search, pricing, availability, booking, ticketing, and post-booking operations. Integrated hotel supplier APIs including RateHawk and Hotelbeds for real-time hotel search, rates, availability, booking, and cancellation. Developed and integrated Visa processing and application management systems, as well as Tour & Activity booking platforms, including tour packages, activity inventory, availability, pricing, booking, and customer management. Experienced in building scalable Flight, Hotel, Visa, Tour & Activity booking engines, B2B/B2C travel platforms, supplier integrations, payment workflows, database architecture, API security, and business logic, with a strong focus on reliable real-time travel inventory and booking operations.

Full Stact Develpoer

FlyFarTeach • Temps plein

Jan 2021 - Mar 2026 • 5 yrs 2 mos

Worked as a Full Stack Developer at FlyFarTech, contributing to the development of large-scale travel technology platforms. My role focused on building and maintaining Online Travel Agency (OTA) systems including flight, hotel, and tour booking platforms. I was responsible for integrating Global Distribution Systems (GDS) such as Sabre, Amadeus, Travelport, and Duffel to enable real-time flight search, pricing, and booking functionalities. I developed scalable backend APIs and modern frontend applications to support B2B, B2C, and B2B2C travel platforms. Key Responsibilities: • Developed and maintained OTA platforms for flight and hotel bookings • Integrated travel APIs and GDS systems for real-time booking services • Built scalable backend services using Node.js, Python (FastAPI), and Go • Developed responsive frontend interfaces using React and modern UI frameworks • Designed secure and efficient database systems using MongoDB, SQL, and Firebase • Collaborated with cross-functional teams to improve system performance and scalability This experience strengthened my expertise in travel technology architecture, scalable backend development, and enterprise-level booking systems.