Ujjwal Kar
Open to Work

Hi, I'm Ujjwal Kar
Full Stack Developer|

I design, develop, and deploy robust web applications with over 3 years of experience. Specializing in ASP.NET, SQL, Django, React, and modern web technologies.

Resume available on request (tailored per role)

Professional Journey

Companies I've worked with and the roles I've grown through.

Clinisys Solutions Limited

Leading B2B healthcare software provider specializing in laboratory information systems and clinical data integration to streamline healthcare processes with 3,000+ customers in 34 countries.

Kolkata

Associate Software Engineer

07/2023 - Present
  • Owned architecture for 20+ backend APIs using ASP.NET Core and Oracle SQL, optimizing end-to-end CRUD operations through index design, join path optimization, and SQL functions encapsulating read/write logic, resulting in ~30% reduction in query latency.
  • Architected CQRS-based separation of read and write paths across backend services, decoupling SQL data access from business rules to simplify changes and support scalable development in a regulated healthcare system.
  • Introduced an AI-powered internal code review agent adopted by the team to analyze standards, performance risks, and change impact, reducing manual effort by 50% and improving pull request quality.
  • Streamlined client-server interaction by refining API contracts and introducing query-level caching with React Query, reducing redundant requests by 40% and improving response consistency across data-heavy workflows.
  • Enabled backend-driven workflows by delivering 10+ form validations with React Hook Form and TypeScript, cutting submission errors by 20% without coupling UI to domain logic.
Achievements
  • Pixel Team Award
C#ASP.NET CoreReactReact QueryDocker

Software Engineer Intern

01/2023 - 06/2023
  • Automated Winpath desktop application to entry 4,00,000 data to the application for performance testing.
  • Implemented Restful API using C# and Fetch public API to provide relevant data to the automation script.
  • Completed training on HTML, CSS, JavaScript, C#, and SQL while providing daily updates to mentors.
  • Self-learned advanced technologies like React, ASP.NET Core MVC, REST APIs, Entity Framework, JWT tokens, OAuth2, and GraphQL.
ReactTypeScriptMaterial UIASP.NET MVC

iNeuron Intelligence Private Limited

AI-focused edtech company delivering industry-oriented training and hands-on projects in data science, machine learning, and deep learning.

Remote

Data Science Intern

06/2022 - 10/2022
  • Analyzed 8,500+ records to develop data-driven sales optimization strategies for Big Mart, identifying 30 key features from a 128-column dataset.
  • Built predictive models using 5+ regression and classification algorithms with Python and scikit-learn, achieving high-accuracy sales forecasting.
RegressionClassificationEDAScikit-LearnNLTKSeaborn

Technical Expertise

A showcase of my technical proficiency across various domains of software development.

Frontend Development

React.js
90%
TypeScript
85%
JavaScript (ES6+)
90%
Tailwind CSS
95%
Material UI
85%
HTML5/CSS3
95%

Education

My academic background and qualifications.

Bachelor of Technology in Computer Science

Bengal Institute of Technology
2019 - 2023

Focused on core computer science concepts including Data Structures, Algorithms, Operating Systems, and Database Management Systems. Actively participated in coding competitions and technical fests.

Grade: 9.33 CGPA

Higher Secondary (Science)

Kamalpur Netaji High School
2016 - 2018

Specialized in Physics, Chemistry, and Mathematics. Developed a strong analytical foundation and problem-solving skills.

Grade: 76.8%

Featured Projects

Innovative solutions built with cutting-edge technology to solve real-world problems.

Full Stack

Social Network for Entrepreneurs

A platform designed for networking, mentoring, and identifying business opportunities for startup communities.

ReactTailwindDjangoPostgreSQL+1
Key Achievement

* Finalist on Smart India Hackathon

* Bronze Medallist on GenZ Tech-A-Thon

Hover to see details
Full Stack

Social Network for Entrepreneurs

Key Features:

  • Introduced guidelines for gaining recognition and investment.
  • AI-powered content moderation for forum posts.
  • Real-time interaction with comments and reactions.
ReactTailwindDjangoPostgreSQLAI
eCommerce

Local Business Marketplace

An online marketplace empowering local sellers to showcase products with integrated home delivery services.

DjangoBootstrapScikit-LearnML
Key Achievement

* Top 20 of SRIIH Hackathon

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eCommerce

Local Business Marketplace

Key Features:

  • Developed a website for a local product marketplace, enabling sellers to showcase their products online.
  • Integrated a home delivery service, allowing customers to place orders and receive products at their doorstep.
  • Embedded a machine learning model on specific product pages to estimate costs dynamically.
DjangoBootstrapScikit-LearnML
IoT & ML

IoT Mental Health Monitor

Integrated IoT system utilizing sensor data and voice analysis to detect stress and depression levels.

IoTSpeech RecognitionRaspberry PIDjango+1
Hover to see details
IoT & ML

IoT Mental Health Monitor

Key Features:

  • Real-time monitoring using GSR and Temperature sensors.
  • Depression analysis via voice recognition and processing.
  • Web dashboard for doctors to view patient history.
IoTSpeech RecognitionRaspberry PIDjangoReact
AI/Deep Learning

Underwater Waste Detection

Deep learning solution using YOLOv3 to detect plastic trash in underwater environments with high accuracy.

YOLOv3PythonDjangoHTML/CSS+1
Hover to see details
AI/Deep Learning

Underwater Waste Detection

Key Features:

  • Achieved 90% accuracy in object detection.
  • Designed for integration with underwater autonomous vehicles.
  • Public awareness dashboard with analytics.
YOLOv3PythonDjangoHTML/CSSRaspberry PI
Healthcare

Online Doctor Consultation

Remote healthcare platform facilitating seamless communication between patients and doctors.

DjangoBootstrap
Hover to see details
Healthcare

Online Doctor Consultation

Key Features:

  • Secure video/chat consultation features.
  • Comprehensive medical history tracking system.
  • Appointment scheduling and management.
DjangoBootstrap
Medical AI

Spine Fracture Detection

Advanced CNN model for assisting radiologists in detecting cervical spine fractures from DICOM images.

TensorFlowKerasCNNPython+1
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Medical AI

Spine Fracture Detection

Key Features:

  • High accuracy fracture identification from CT scans.
  • Pattern recognition using Convolutional Neural Networks.
  • Assistive tool for rapid diagnosis in emergency settings.
TensorFlowKerasCNNPythonDICOM

Research & Publications

My contributions to the academic and scientific community.

2023Ujjwal Kar et al.

Explainable Artificial Intelligence (XAI) Based Analysis of Stress Among Tech Workers Amidst COVID-19 Pandemic

Published in: Springer Nature - Advances in Intelligent Systems and Computing

A comprehensive study utilizing Machine Learning and XAI techniques to understand the physiological and psychological impact of the pandemic on tech industry professionals.

#Machine Learning#XAI#Healthcare IT
Read Paper