- Leading a four-person team developing 'Vegmove', a quick commerce platform comprising synchronized Customer, Warehouse, and Delivery applications, scaling the platform to its first 100+ daily orders while reducing average delivery time by 40%
- Designing a highly scalable, distributed real-time chat infrastructure for a social media application, leveraging WebSockets, NATS Jetstream, and Redis to handle over 100,000 messages per minute with sub-100ms latency
- Developing and maintaining a comprehensive student management tool that centralized application tracking for an education consultancy, increasing agent productivity by 40%
Senior Full-Stack Developer
TechSfera
Mar 2025 - Present
Next.jsNestJSHonoPrismaDrizzleReact Native
Senior Full-Stack Developer
TechSfera
Next.jsNestJSHonoPrismaDrizzleReact Native
- Leading a four-person team developing 'Vegmove', a quick commerce platform comprising synchronized Customer, Warehouse, and Delivery applications, scaling the platform to its first 100+ daily orders while reducing average delivery time by 40%
- Designing a highly scalable, distributed real-time chat infrastructure for a social media application, leveraging WebSockets, NATS Jetstream, and Redis to handle over 100,000 messages per minute with sub-100ms latency
- Developing and maintaining a comprehensive student management tool that centralized application tracking for an education consultancy, increasing agent productivity by 40%
Full-Stack Developer
Bahaza
Oct 2022 - Feb 2025
Next.jsNestJSPrisma
- Created a multi-tenant B2B/B2C travel agency platform serving 500+ agency clients
- Identified and resolved critical performance bottlenecks in the booking service, improving conversion rate by 30%, reducing API response times by 60%
- Engineered a modular architecture that cut new GDS API integration time by 50%
Full-Stack Developer
Bahaza
Next.jsNestJSPrisma
- Created a multi-tenant B2B/B2C travel agency platform serving 500+ agency clients
- Identified and resolved critical performance bottlenecks in the booking service, improving conversion rate by 30%, reducing API response times by 60%
- Engineered a modular architecture that cut new GDS API integration time by 50%
Full-Stack Developer
Lexoro GmbH
Jul 2021 - Sep 2022
AngularSpring BootFlutter
- Delivered a cross-platform enterprise application using Flutter reducing development time and costs by 40% compared to native approaches
- Maintained mission-critical backend services achieving 99.9% uptime and handling tens of thousands of API requests daily
- Collaborated effectively in a multicultural, agile-scrum environment, contributing to a 15% faster feature delivery cycle
Full-Stack Developer
Lexoro GmbH
AngularSpring BootFlutter
- Delivered a cross-platform enterprise application using Flutter reducing development time and costs by 40% compared to native approaches
- Maintained mission-critical backend services achieving 99.9% uptime and handling tens of thousands of API requests daily
- Collaborated effectively in a multicultural, agile-scrum environment, contributing to a 15% faster feature delivery cycle
Co-founder, Full-Stack Developer
Zanvent
Jan 2017 - Dec 2021
AndroidJavaNode.jsReactMySQL
- Co-founded the startup and worked on end-to-end product lifecycle for multiple digital services, from ideation and architecture to deployment and user acquisition
- Launched 'Zanvent Stream', the first live game streaming service in Bangladesh. Despite sunsetting the platform, gained critical hands-on experience in real-time architecture and scalable system design
- Developed 'Zanvent Transfer', a high-speed file sharing platform utilizing BDIX (Bangladesh Internet Exchange)
- Launched 'Dagao' a real-time PVP quiz app for students
Co-founder, Full-Stack Developer
Zanvent
AndroidJavaNode.jsReactMySQL
- Co-founded the startup and worked on end-to-end product lifecycle for multiple digital services, from ideation and architecture to deployment and user acquisition
- Launched 'Zanvent Stream', the first live game streaming service in Bangladesh. Despite sunsetting the platform, gained critical hands-on experience in real-time architecture and scalable system design
- Developed 'Zanvent Transfer', a high-speed file sharing platform utilizing BDIX (Bangladesh Internet Exchange)
- Launched 'Dagao' a real-time PVP quiz app for students