Building Robust Systems & Mentoring Communities
I'm Md. Maruf Sarker. I’m a passionate software engineer and competitive programmer working with modern web technologies. Right now, I’m learning backend engineering with .NET (C#) and exploring AI engineering to keep myself aligned with modern software development.
Portfolio
Featured Projects
JobTracker - Open-Source Career Operations & Failure Analytics OS
An enterprise-grade, open-source Career Operations OS and Recruitment Intelligence Engine built for modern tech professionals and government/bank candidates. Features comprehensive pipeline management, multi-variable post-mortem failure analytics, full account isolation, and an AI Strategic Career Advisor with intelligent SHA-256 state caching.
Iqamah - Salah Habit Establishment Platform
A local-first Salah habit companion and analytics platform for users in Bangladesh. Tracks daily prayer punctuality, missed prayers, Qaza obligations, and streaks completely offline with district-wise prayer times, bilingual support (Bengali & English), and a Flutter-powered mobile experience.
Leantime — Open-Source Project Management System
Contributed core features to Leantime, an award-winning open-source project management platform built for ADHD, dyslexia, and autism. Built native Telegram Messenger notification integrations (#3726, #3747), UI enhancements (#3786), and table due-date localization fixes (#3787).
EduTrack - Academic Assignment & Submission Management System
A modern, full-stack academic management application built with ASP.NET Core 10 Web API and Next.js 16 (App Router). Features role-based portals for Admins, Teachers, and Students to streamline class allocations, subject assignments, file uploads via Cloudinary, submission tracking, and grading.
Niloy Bhowmick Portfolio
A modern, responsive video editor portfolio website showcasing professional video editing work, motion graphics, and client projects. Built with Next.js 15 and featuring smooth animations, YouTube integration, and a sleek glassmorphism design.
Content
Latest Tutorials
B. Bobritto Bandito | Codeforces Round 1017 (Div. 4)
Solving Codeforces Round 1017 (Div. 4) Contest
A. Trippi Troppi | Codeforces Round 1017 (Div. 4)
Solving Codeforces Round 1017 (Div. 4) Contest
One Prime - Sheet #2 (Loops) | Assiut University Training
Solving loop-based problems from Assiut University training sheet with step-by-step approach and optimization techniques.
A. Quintomania | Codeforces Round 984 (Div. 3)
Complete solution walkthrough for Codeforces Round 984 Div. 3 Problem A with detailed explanation and code implementation.
A. False Alarm | Codeforces Round 1029
Detailed solution explanation for Codeforces Round 1029 Problem A with multiple approaches and complexity analysis.
Writing
Latest Posts
Choosing the Right Email Service: Gmail, Outlook, Business Email, and Email Marketing Platforms
A practical guide to choosing the right email solution for personal communication, business mailboxe...
How I Fixed NTFS Mounting Errors on Kubuntu Without Reinstalling Linux
A practical troubleshooting guide to fixing NTFS mounting failures on Kubuntu by diagnosing MFT mirr...
What is shebang #!/usr/bin/env bash
আমরা যারা shell programming বা bash programming শিখছি তারা সর্বপ্রথম যেই লাইন টা দিয়ে শুরু করি সেটা...
পর্দার আড়ালে কী চলে? অপারেটিং সিস্টেমের রহস্য উন্মোচন
অপারেটিং সিস্টেমের মূল ধারণা, প্রসেস ম্যানেজমেন্ট, মেমোরি ম্যানেজমেন্ট এবং ফাইল সিস্টেম সম্পর্কে বিস...
Let's Build a Better API: Common Mistakes to Avoid
Learn about REST API design best practices, common pitfalls, and how to create maintainable and scal...
Introduction to Time and Space Complexity
Understanding the fundamentals of algorithm analysis, Big O notation, and how to optimize your code ...
Contact
Get In Touch
Open to freelance projects, collaborations, and full-time SWE opportunities.
Send a Message
Whatever you learn in life, learn it in such a way that you can teach it to someone else.— Md. Maruf Sarker