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alchemistReturns/README.md

Abrar Mahmud Hasan

Computer Science student and software engineer focused on building reliable, distributed, and AI-assisted systems. I work across backend, infrastructure, and data-driven components, with particular interest in fault tolerance, asynchronous communication, and observability in real-world systems.

My work emphasizes designing systems that continue operating under partial failure rather than failing fast or globally.


Technical Focus

  • Designing microservice-based architectures with clear service boundaries
  • Implementing asynchronous, event-driven workflows for resilience
  • Reasoning about timeouts, retries, idempotency, and failure modes
  • Applying monitoring and observability to understand system behavior
  • Building AI-enabled applications with practical, production-oriented constraints

Technical Skills

Languages
Golang, Java, Python, JavaScript, C#, C++, SQL

Frameworks & Tools
Gin, Spring Boot, Django, React, React Native, Next.js, Node.js, Firebase

Distributed Systems & DevOps
Microservices, Asynchronous Messaging, Docker, Kubernetes, RabbitMQ, Git, Prometheus, Grafana

Machine Learning & Data
Supervised Learning (Linear/Logistic Regression, Decision Trees, k-NN, SVM)
Unsupervised Learning (k-Means, Hierarchical Clustering)
Scikit-learn, Pandas, NumPy, Matplotlib


Featured Projects

  • Valerix – Resilient Microservices E-Commerce Platform
    Hackathon Winning Project
    • Designed and implemented a resilient, fault-tolerant microservices architecture to demonstrate real-world distributed system behavior.
    • Simulates a simplified e-commerce workflow (Order → Inventory) with independently deployable services.
    • Implemented latency injection and failure simulation to model slow or unresponsive downstream services.
    • Enforced strict timeout handling with automatic fallback from synchronous HTTP calls to asynchronous message-based processing.
    • Used RabbitMQ to decouple services and ensure system continuity under partial failure.
    • Enabled graceful degradation, returning queued responses instead of blocking or failing user requests.
    • Integrated real-time visualization and monitoring to observe service health, latency spikes, and system behavior during failures.
    • Focused on observability, resilience, and correctness rather than ideal-case execution.
  • CurioKids (React Native + Node + Firebase + AI)
    • Built an AI-driven learning app for kids with personalized puzzles and gamification.
    • Implemented real-time progress tracking using Firebase Authentication and Firestore.
  • HealthX (React + Node + Firebase + Gemini)
    • Hackathon-winning AI-powered application bridging the medical support gap in rural regions of Bangladesh.

Professional Experience

Junior Software Engineer | Shahrish Engineering & Construction Limited December 2024 – September 2025

  • Designed production-grade web and ERP solutions using React, Tailwind CSS, and Django.
  • Developed internal supply-chain modules that reduced manual data handling by 90%.

Awards & Achievements

  • Champion: Microservice & DevOps Hackathon, BUET CSE Fest 2026
  • 1st Runner-up: Future Builders 2025 AI Driven Cognitive Innovation Hackathon
  • Finalist: Top 7 out of 116 Teams at HackCSB Hackathon
  • Participant: ACM ICPC Dhaka Regionals

Leadership & Organizational Experience

  • Joint Secretary, IUT Computer Society (Dec 2025 – Present)
    • Organized technical workshops, coding events, and seminars.
  • General Secretary, Notre Dame Science Club (May 2022 – May 2023)
    • Led administrative operations and execution of science fairs and competitions.

Pinned Loading

  1. CurioKids CurioKids Public

    TypeScript

  2. FutureBuilders2025_IUT_CGPA_Doesnt_Matter FutureBuilders2025_IUT_CGPA_Doesnt_Matter Public

    TypeScript

  3. rawadhossain/Valerix rawadhossain/Valerix Public

    Valerix is a Kubernetes-orchestrated microservices platform that demonstrates service resilience, controlled failures, and production style cloud deployment using Docker and AWS EKS.

    TypeScript 2

  4. Predictive_modeling_for_agriculture Predictive_modeling_for_agriculture Public

    Project codes for "Predictive Modeling for Agriculture" project on DataCamp.

    Jupyter Notebook

  5. 2d_shooting_game_SFML 2d_shooting_game_SFML Public

    2D shooting game with SFML, made as part of an academic project

    C++

  6. Movie_Browser Movie_Browser Public

    Movie Browser desktop application made with javafx and scenebuilder

    Java