Coding Profiles
Codeforces
Check out my Codeforces profile where I solve programming challenges regularly:
View ProfileLofiStack
January 2026 - PresentLofiStack
September 2025 - December 2025I'm Robiul Hassan, a Computer Science student passionate about Competitive Programming, AI/ML, Cybersecurity, and DevOps. Currently working as a Software Engineer (Backend) at LofiStack, where I continue to build on my internship experience in server-side development and system architecture.
I'm strengthening my skills in Data Structures & Algorithms, solving problems on competitive programming platforms, and exploring AI/ML and Cybersecurity. My goal is to continuously learn, grow, and contribute to innovative tech solutions.
C++, Java, Python, Spring Boot, PHP (Laravel), HTML, CSS, Bootstrap
PostgreSQL, MySQL, Firebase, Supabase
JUnit, Mockito, Swagger OpenAPI
Git, Google Colab, Docker
Secured 68th position among 250 teams, demonstrated cybersecurity and problem-solving skills in a competitive environment.
Secured 164th position among 1100 teams, demonstrated cybersecurity and problem-solving skills in a competitive environment at international level.
Worked on Lofi Connect backend, integrating APIs with GoHighLevel CRM, performing tests, fixing bugs, and documenting workflows.
Visit WebsiteImplemented a multi-flow authentication system with email-based OTP verification for password recovery, database-backed rate limiting with existing authentication logic.
See DetailsA full-featured web-based railway management solution built with Laravel 11. Features train scheduling, ticket booking, payment integration, and automated PDF ticketing.
See DetailsA comprehensive airline management platform built with Laravel 11. Includes flight scheduling, booking system, secure payments, and automated ticket generation.
See DetailsAndroid app for real-time weather updates, forecasts, and alerts with dynamic UI. Uses Kotlin, Jetpack Compose, and Firebase.
See DetailsSpam email detection using machine learning and NLP, with a Gradio interface for easy use.
Read moreWeb platform to create/manage events with user/admin roles. Built with PHP, MySQL, and Bootstrap.
Visit WebsiteThis repo contains my DSA practice solutions from Striver's Sheet, implemented in C++ and some C, categorized by topic.
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Check out my Codeforces profile where I solve programming challenges regularly:
View ProfileAn online CTF and Coding combined competition. Secured 164th position among 1100+ international teams.
See CertificateComprehensive course covering fundamental networking concepts and network architectures essentials.
See CertificateAdvanced course covering Linux server administration and system monitoring techniques for enterprise security.
See CertificateSpecialized training in cybersecurity incident response procedures, digital forensics techniques.
See CertificateAdvanced cybersecurity certification covering penetration testing methodologies, threat hunting techniques.
See CertificateComprehensive capstone certification demonstrating mastery of advanced cybersecurity concepts.
See Certificate
