Sirajum  Munir

Backend Engineer | Android & IOS Developer | Competitive Programmer | ML Enthusiast

About Me

I'm a passionate Backend Engineer with extensive experience in building scalable, high-performance systems. My journey into Machine Learning has opened new horizons, allowing me to combine the robustness of backend development with the intelligence of ML.

As a competitive programmer, I've honed my problem-solving skills across multiple platforms, tackling complex algorithmic challenges that strengthen my ability to write efficient, optimized code.

I'm passionate about combining ML with backend systems to create intelligent, data-driven applications that can scale and perform under pressure.

Coding Profiles

LeetCode

LeetCode

S1rajum_Mun1r
Rank: Top 34%
Problems Solved: 208
Codeforces

Codeforces

S1rajum_Mun1r
Rank: Pupil (max: 1244)
Problems Solved: 406
CodeChef

CodeChef

S1rajum_Mun1r
Rank: 2 Star (max: 1444)
Problems Solved: 46

Skills & Tools

Languages

C/C++
Python
Golang
Dart

Databases

PostgreSQL
MySQL
MongoDB

Tools & Technologies

Docker
GitHub
AWS
Flutter

Projects

ML-Powered RAG API

Intelligent API gateway with ML-based request routing

Deepseek API PostgreSQL Go

Distributed Task Queue

High-throughput task processing system with auto-scaling capabilities

Go Redis PostgreSQL Docker Websocket

Horizontal Scroll View

Flutter widget for horizontal scrolling with smooth animations contributed to the Flutter community

Flutter Dart

Experience

Backend Engineer

2025 - Present

Py2man

  • Architecturing and developed microservices handling 10M+ requests daily
  • Implementing an ML-based recommendation system increases user engagement
  • Optimizing database queries to reduce response time

Android & IOS Developer

2024 - 2025

GotiPath

  • Built Chorki version 2.0
  • Integrated payment systems and third-party services
  • Implemented highly customized widgets for efficient loading
  • following best practices and code review

Education

Rajshahi University of Engineering & Technology (RUET)

Bachelor of Science in Electrical & Computer Engineering

4th Year Student

CGPA: 3.34/4.00

Certifications & Achievements

Supervised Machine Learning

Coursera - DeepLearning.AI

Completed comprehensive ML course covering supervised learning, neural networks, and more.

View Certificate

Problem Solving (Basic)

HackerRank

Achieved advanced certification in algorithms and data structures.

Verify Certificate

AWS Solutions Architect

Amazon Web Services

Certified in designing distributed systems on AWS.

Verify Credentials

Get In Touch

Let's Connect

I'm always interested in discussing new opportunities, innovative projects, or just having a chat about technology and development.

sirajummunir29@gmail.com
smunir30
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