Available for opportunities

Building intelligent
systems that matter

CS graduate working at the intersection of backend engineering and applied AI. Production experience from a Japanese startup — shipped features in Ruby on Rails. Currently pursuing M.Tech in AI & ML.

View My Work → Get in Touch
Sandra Saju S L
Sandra Saju S L
@sandrasaju
Open to work
11mo
exp
5+
projects
N5
JLPT
Java Python Rails PyTorch Flask

Selected Work

Projects

Things I've built — from AI systems to full-stack web apps.

🦴
OsteoAI — Osteoarthritis Detection & Pain Estimation Public

Multi-task deep learning system for knee X-ray analysis. Classifies KL grade (0–4), JSN severity, and KOOS pain score in a single forward pass using ConvNeXt-Small. Grad-CAM heatmaps for clinical explainability. Flask web interface for real-time predictions.

PyTorch ConvNeXt Flask Grad-CAM Python timm
Python Multi-Task Learning
69%
KL Accuracy
ConvNeXt-Small
♻️
WasteGuard — Waste Detection Public

YOLOv8-powered Flask app detecting waste-throwing incidents. Detects persons, waste bags and vehicle plates with bounding boxes. Full Pytest + Hypothesis property-based test coverage.

YOLOv8 Flask OpenCV Pytest
Python →
🎓
Scope India Platform Public

Full-stack educational web application. Spring Boot REST APIs, MySQL database, dynamic frontend using Thymeleaf, jQuery, Ajax and Bootstrap.

Spring Boot MySQL Thymeleaf jQuery
Java →
🌸
NIHONGO BENKYOU Public

Japanese language learning project built alongside JLPT N5 preparation during the Japan internship journey.

CSS Japanese
CSS →
⛓️
Complaint Portal — Web3 Public

Frontend for a decentralized complaint management system built with Web3 technologies.

HTML CSS JavaScript Web3
HTML →

Work History

Experience

Where I've worked and what I've shipped.

Server Side Engineer Intern 🇯🇵 Japan
BraveStudio Inc. · San'in Kerala Long-Term Internship Program
Nov 2025 – Mar 2026
  • Shipped production features on Harasuma, Harasuma Lite, and Handoff AI
  • Built frontend features using Ruby on Rails
  • Implemented a document difference feature for Handoff AI
  • Worked in a fully Japanese professional environment — improved communication and code quality
Ruby on Rails Production Japan
Java Full Stack Developer Intern
Scope India
Jan 2024 – Jun 2024
  • Developed and maintained web apps with HTML, CSS, JavaScript, jQuery and Bootstrap
  • Backend development with Spring Boot and database management with MySQL
Spring Boot MySQL JavaScript Bootstrap

Capabilities

Skills

Technologies and tools I work with.

⌨️

Languages

JavaPythonJavaScriptSQLRuby
🔧

Frameworks

Spring BootSpring MVCRuby on RailsFlask
🤖

AI / ML

PyTorchYOLOv8OpenCVNumPyPandasScikit-learn
🌐

Web

HTMLCSSBootstrapjQueryThymeleaf
🗄️

Database & Tools

MySQLJDBCGitDockerMaven
🧠

Concepts

Deep LearningMulti-Task LearningComputer VisionGrad-CAM

Background

Education

M.Tech – Artificial Intelligence & Machine Learning
Rajagiri School of Engineering and Technology, Ernakulam
Jul 2025 – Apr 2026
B.Tech – Computer Science & Engineering
TKM Institute of Technology, Kollam
Aug 2019 – May 2023
Java Advanced Full Stack Developer
Scope India, Thiruvananthapuram
Jan 2024 – Jun 2024

Certifications

🇯🇵
JLPT N5
Japanese-Language Proficiency Test – 2025
📖
Japanese Language Course for Beginners
340 Hours – Certificate of Completion
🎨
User Interface Design
NPTEL – Jan 2023 to Feb 2023

Let's work together

Looking for backend, full-stack, and AI engineering roles — especially in Japan and international remote environments. Feel free to reach out.

sandrasree2506@gmail.com LinkedIn GitHub