📍 Rosbach (61191), Germany📧 hello@fhossain.dev📞 +49 1521 4594 397🗣️ DE (C1), EN (C1)
> Solution-oriented Software Developer and Tech Lead with 10+ years of experience designing,
modernizing, and operating complex web and desktop systems. Strong focus on software architecture,
API design, and cloud-ready solutions using .NET, Node.js, and Angular. Combines deep technical
expertise with fluent communication in German and English, enabling effective collaboration with
international teams, stakeholders, and customers in agile (SCRUM) environments.
core_competencies
Architecture
System & component architecture
API-Design (REST/SOAP)
Legacy-modernization
Engineering & DevOps
CI/CD pipelines and automation
Git/Bitbucket and Clean Code
Design principles
Leadership
Technical Leadership & Mentoring
Agile collaboration (Scrum)
Fluent German & English
professional_log
Technical Lead02/2020 — Present
efcom GmbH | Factoring & Financial Services
Architecture responsibility for the efOnline platform modernization.
Migrating legacy Node.js backends to modular, cloud-ready .NET architectures.
Design of system components, API layers, security concepts, and unit tests.
Established technical backend foundations (DI, project structure, shared libraries).
Managed Angular framework migrations from v11 to v16.
Mentoring development teams and consulting project management.
Software Developer06/2016 — 12/2019
ID-ware Deutschland GmbH | Access & Smart Card Management
Developed visitor management system using C#, .NET Core, and Angular.
Developed card management system using C#, ASP.NET, and jquery.
Engineered hardware-near software for self-service terminals (QR/MRZ readers).
Developed WPF applications for hardware connectivity (printers, card readers).
Refactored existing .NET codebases and optimized MS SQL databases.
Freelance Software Developer03/2013 — 12/2015
TechCare Inc. | IT & Software
ImShaper: Desktop app for auto image cropping with configurable rules, later migrated from
WinForms to WPF for better maintainability.
School Executive: School management system to handle finances, staff, students, and reporting
using .NET, MySQL and Crystal Reports.
Virtual Quran: Desktop application for reading the Holy Quran with translations and integrated
audio playback.
Tasbih: Lightweight Android app serving as a digital Tasbih counter using Java and the Android
SDK.
education_archive
B. Sc. (Eng.) in Computer Science and Engineering2010 — 2015
Rajshahi University of Engineering & Technology, Bangladesh Grade: Good (>60%).