08/13/2026 updated
100 % available
B.Tech CSE Student | Software Development & AI/ML Enthusiast
Hooghly, India
Only remote
B.Tech, CSE (Cyber Security) - Techno International Newtown About me
Hi! I’m Sreejoy Sarkar, a passionate Computer Science & Software Developer. I help businesses, startups, and individuals turn ideas into functional, and user-friendly applications.Whether you need a website, backend API, database integration, AI-powered application, or a complete software solution.
HTMLApplication Programming Interfaces (APIs)Artificial IntelligenceComputer-Aided Software EngineeringJava API For RESTful Web Services (JAX-RS)Python (Programming Language)Machine LearningMessaging Application Programming InterfaceNatural Language ProcessingSoftware EngineeringReact.jsBackendSpring DataScikit LearnMachine Learning Operations
Machine Learning & AI Development
Development of ML-powered web applications using Scikit-Learn and NumPy, including training and evaluating classification models such as Logistic Regression and SVM for real-world diagnostic use cases.
Backend Development with Java & Spring Boot
Building RESTful backend APIs using Java and Spring Boot, implementing full CRUD operations, Spring Data JPA persistence layers, and clean architecture principles including controller-repository separation.
Python-Based Application Development
Creation of conversational AI applications and diagnostic web apps using Python, Streamlit, Groq API, and dotenv, with a focus on secure credential management and user-friendly interfaces.
Java OOP & Software Architecture
Application of object-oriented programming principles and software architecture patterns such as Inversion of Control and Dependency Injection using Spring Boot and Java-based configuration.
Database Management with MySQL & JDBC
Integration of relational databases using MySQL and JDBC, including repository layers for efficient data access and custom queries within Spring Data JPA environments.
Streamlit UI Development
Design of intuitive and responsive user interfaces using Streamlit, enabling non-technical users to interact with complex ML and AI backends seamlessly.
API Integration
Integration of third-party APIs such as the Groq API to deliver ultra-low-latency, real-time LLM responses within conversational AI applications.
Cybersecurity Fundamentals
Academic focus on Cyber Security as part of the B.Tech CSE program, with practical application of security best practices such as secure API key management using python-dotenv.
Development of ML-powered web applications using Scikit-Learn and NumPy, including training and evaluating classification models such as Logistic Regression and SVM for real-world diagnostic use cases.
Backend Development with Java & Spring Boot
Building RESTful backend APIs using Java and Spring Boot, implementing full CRUD operations, Spring Data JPA persistence layers, and clean architecture principles including controller-repository separation.
Python-Based Application Development
Creation of conversational AI applications and diagnostic web apps using Python, Streamlit, Groq API, and dotenv, with a focus on secure credential management and user-friendly interfaces.
Java OOP & Software Architecture
Application of object-oriented programming principles and software architecture patterns such as Inversion of Control and Dependency Injection using Spring Boot and Java-based configuration.
Database Management with MySQL & JDBC
Integration of relational databases using MySQL and JDBC, including repository layers for efficient data access and custom queries within Spring Data JPA environments.
Streamlit UI Development
Design of intuitive and responsive user interfaces using Streamlit, enabling non-technical users to interact with complex ML and AI backends seamlessly.
API Integration
Integration of third-party APIs such as the Groq API to deliver ultra-low-latency, real-time LLM responses within conversational AI applications.
Cybersecurity Fundamentals
Academic focus on Cyber Security as part of the B.Tech CSE program, with practical application of security best practices such as secure API key management using python-dotenv.
Experience
Professional experience0 - 5 years
Freelancer since2024
Languages
EnglishNative speakerHindiFluent
Project history
Developed a diagnostic web app using Python, Streamlit, Scikit-Learn, and NumPy to provide centralized early risk assessments for Diabetes, Heart Disease, and Parkinsons. Engineered the ML backend with classification models including Logistic Regression and SVM, and designed an intuitive UI for non-technical users.
Built a conversational AI application integrating the Groq API using Python, Streamlit, and dotenv to deliver ultra-low-latency real-time LLM responses. Implemented secure credential management and a highly responsive user interface.
Architected a Java application using Spring Boot and OOP to demonstrate Inversion of Control and Dependency Injection. Refactored tightly coupled code into a scalable interface-driven architecture and configured Spring Application Context using AppConfig.java.