SSajidur Rahman Sajid

[ 05 ] — Resume

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01About

Software Engineer and AI Developer engineering the bridge between high-throughput backend systems and intelligent machine learning models. Adept at turning complex architectural problems into elegant, production-ready code.

02Experience

LedgerCross

May 2026 — Present

Software Developer Trainee · Dhaka, Bangladesh

  • Engineered an AI invoice processing microservice using Python (FastAPI), PostgreSQL, and Cloudflare R2.
  • Implemented an asynchronous distributed processing engine utilizing Redis Streams and BullMQ.
  • Authored 218 automated pytest test cases covering API endpoints, queue workers, and multi-tenant RLS.

Bangladesh Software Solution (BSS)

Feb 2026 — Apr 2026

Software Engineer Intern · Dhaka, Bangladesh

  • Developed responsive frontend interfaces utilizing HTML5, CSS3, and modern JavaScript (ES6+).
  • Integrated frontend layout structures with backend RESTful APIs with robust error handling.
  • Collaborated in agile development workflows utilizing Git for version control and system deployment.

03Projects

InvoicePilot (LedgerCross product)

Python, FastAPI, React 19, PostgreSQL, Redis

  • Designed an 11-stage processing pipeline for automated Mindee OCR extraction and fraud detection.
  • Authored a Web3 cryptographic seal kernel in Solidity to record tamper-evident verification hashes.
  • Configured dead-letter queues and exponential backoff retries for fault-tolerant background jobs.

LedgerTurf

React, Node.js, Express, MongoDB Atlas, Redux

  • Built a full-stack MERN turf booking ecosystem featuring geo-spatial MongoDB 2dsphere indexing.
  • Eliminated booking race conditions and scheduling conflicts via atomic database query validations.

FinBERT Financial Sentiment Analysis

PyTorch, Hugging Face, NLP

  • Fine-tuned domain-specific transformer models (FinBERT) to classify sentiment in financial text datasets.
  • Implemented comprehensive NLP preprocessing pipelines for tokenization and model optimization.

3D City Simulator

C++, OpenGL, Computer Graphics

  • Built a 3D simulated city featuring dynamic day/night cycles, weather effects, and traffic light logic.
  • Implemented real-time graphics rendering pipelines and interactive keyboard controls.

04Education

American International University-Bangladesh (AIUB)

Sep 2022 — Apr 2026

BSc in Computer Science & Engineering · CGPA 3.92 / 4.00

BAF Shaheen College Dhaka

2019 — 2021

Higher Secondary Certificate (HSC), Science · GPA 5.00 / 5.00

Kurmitola High School & College

2017 — 2019

Secondary School Certificate (SSC), Science · GPA 5.00 / 5.00

05Thesis & Research

Neuro-Screen: Hybrid AI Framework for Cognitive Impairment Detection

CatBoost, PyTorch

  • Engineered a dual-path hybrid ensemble fusing gradient boosting classifiers and deep neural networks.
  • Achieved state-of-the-art performance with 95.20% accuracy and 0.982 ROC-AUC across 2,237 student records.
  • Identified mental fatigue, stress frequency, and sleep quality as primary predictive drivers of cognitive decline.

06Certifications & Training

  • IBM Full-Stack JavaScript Developer Professional Certificate — Coursera
  • Blockchain, Ethereum & Solidity Development — Udemy

07Technical Skills

AI & Machine Learning: PyTorch, Hugging Face, Scikit-learn, OpenCV, CatBoost

Programming Languages: Python, Java, C/C++, C# (.NET), SQL, TypeScript, JavaScript, Solidity

Web Development: React, Next.js, FastAPI, Node.js, Express, HTML5, CSS3

Backend & Databases: PostgreSQL, MySQL, SQL Server, MongoDB, Redis Streams, Qdrant

Tools & DevOps: Git, Docker, Celery, BullMQ, Jupyter Notebook, Cloudflare R2

08Honors & Awards

5× Dean's Award Recipient & AIUB Merit Scholar

2022 — 2026

70% tuition waiver for academic excellence alongside 5 consecutive Dean's Award recognitions.

The Duke of Edinburgh's Bronze Award

2025 — 2026

Community service, skill development, and expedition tasks.

09Leadership & Activities

Student Activity Coordinator

2022 — 2025

Space Innovation Camp

Led robotics and UAV engineering workshops mentoring over 500 students.

Public Relations Representative

2023 — 2024

WRO Bangladesh

Coordinated media communications and logistics for national robotics competitions.

10References

Md. Nazmul Hossain

Assistant Professor, Dept. of CSE, AIUB

PhD Candidate & Casual Academic Staff, ACU, Australia

mdnazmul.hossain@myacu.edu.au

Tawhid Hasan

Senior Software Engineer

Bangladesh Software Solution (BSS)

tawhidhasan44@gmail.com