↗Ideas become
possibilities.
possibilities.
Backend, built to last.
Secure APIs, enterprise integrations, and reactive services grounded in the Spring ecosystem.
JAVA & SPRING BOOT ENGINEER
Reliable systems.
Thoughtful
engineering.
I’m Md. Mohacel Hosen, a software engineer turning complex business needs into dependable digital experiences.
Based in
Dhaka, Bangladesh Open to
international remote roles
A LITTLE ABOUT THE PERSON BEHIND THE CODE01 / INTRO
Purpose in every line.
CURRENTLY BUILDING ATWalton Digital System Automation
01 THE APPROACH
Good software does more
than work.
It earns trust.
From the first API to the production release, I care about the details that make software reliable, maintainable, and useful.
Get to know my backgroundI’m a Java and Spring Boot engineer with professional experience since 2023. My work connects backend architecture, database performance, and intuitive interfaces to solve real business problems.
At Walton, I build enterprise digital systems, optimize APIs, and integrate platforms. Previously, I led Java development at Nexkraft across education, health, communication, and smart-farming projects.
4Professional chapters
~90%Lower sync API response time*
*Walton customer synchronization API, in the worst-case environment compared with the legacy API.
Performance with purpose.
Thoughtful queries, caching, and observability that make everyday interactions feel faster.
From interface to infrastructure.
Full-stack features and dependable deployments, with attention to the whole system.
02 SELECTED WORK
Complex challenges.
Practical outcomes.
A selection of professional contributions.
Built with teams.
Focused on impact.
ENGINEERING / PERFORMANCE01
~90%
less waiting. more doing.
RESPONSE TIME · WORST-CASE ENVIRONMENTA faster foundation for Smart Sales.
Built an optimized Android customer synchronization API, reducing response time by approximately 90% in the worst-case environment and 87% in the best-case environment versus the legacy customer-list API.
Explore the contribution
Additional work included centralized API response-time
monitoring and Walton HRM integration to retrieve user
information during Smart Sales user creation. Enterprise
source code is not publicly available.
EDUCATION / FULL STACK02
CONCEPTUAL ILLUSTRATION
A connected space for learning.
Developed an Online Classroom web application, connecting an Angular frontend with a Spring Boot backend.
Explore the contribution
Delivered as part of my software engineering work at
Nexkraft. This project brought frontend and backend
development together for an online learning platform.
HEALTH / REACTIVE SYSTEMS03
CONCEPTUAL ILLUSTRATION
Building for a healthier everyday.
Contributed to Stay Healthy Life, a healthcare platform using reactive Spring WebFlux services and Angular.
Explore the contribution
Contributed to the platform within the Nexkraft Java team,
working with the Spring reactive ecosystem and a full-stack
Angular application.
03 THE JOURNEY
Always building.
Always learning.
A career shaped by real-world challenges, collaborative teams, and a curiosity for how things work.
View full résumé
APR 2026 — PRESENT Current
Walton
Senior Assistant Director
Digital System AutomationBuilding enterprise applications with Java and Angular. Improving API performance, integrating HRM systems, and supporting platform upgrades and production releases.
AUG 2024 — APR 2026
Nexkraft
Software Engineer · Java Team Lead
Developed platforms across education, health, communication, and smart farming. Delivered WebSocket features, secure integrations, and VPS deployments.
MAR 2024 — JUL 2024
Garibaree.com
Backend Developer
Improved application performance with Java concurrency, built reporting and full-text search, and supported server migration and security.
OCT 2023 — JAN 2024
Lynorg Technologies Limited
Junior Full-Stack Developer
Contributed to application development, Linux infrastructure, Docker, Nginx, and Jenkins CI/CD workflows.
THE FOUNDATION
ICPC & National HackathonB.Sc. in Computer Science & Engineering
Shanto-Mariam University of Creative Technology · 2019–2023
Participant · 2023
04 WHAT’S NEXT?
Open to international remote opportunities
Let’s build something
worth relying on.
Have a meaningful challenge or a role in mind?
I’d love to
hear about it.