Desaboyina Venkata Sai Kalyan
Software Engineer — Full Stack Developer • Guntur, Andhra Pradesh, India • d**********@gmail.com • +91*******173 • linkedin.com/••••• • drivetube.ai/•••••
Professional Summary
Full Stack Developer with 0 years of experience designing and building MERN-stack web applications, RESTful APIs, and machine-learning prototypes. Skilled in React, Node.js, Express, MongoDB, and Python-based ML tooling to deliver responsive UIs and data-driven features.
Technical Skills
Programming Languages: JavaScript,Python
Frameworks and Libraries: React.js,Bootstrap,Node.js,Express.js,scikit-learn,Pandas,NumPy
Databases: SQL,MongoDB
Data and Analytics: NLTK,Random Forest,Support Vector Machine,Feature Engineering,k-fold Cross-Validation,Data Preprocessing
Tools and Methodologies: Git,GitHub,VS Code,Postman
Frontend: HTML5,CSS3,Responsive Design
Backend: RESTful APIs
Core Concepts: Data Structures,Algorithms,Object-Oriented Programming,DBMS,Software Development Lifecycle,Agile Development
Work Experience
Nxt Wave Intensive 3.0
Full Stack Developer Trainee
Completed an intensive MERN-stack training program focused on full-stack web development, RESTful APIs, debugging, and collaborative Git workflows.
Tech Stack: JavaScript, React.js, Node.js, Express.js, MongoDB, HTML5, CSS3, Bootstrap, Git, GitHub, Postman, VS Code
- Built multiple full-stack web applications using React, Node.js, Express and MongoDB; implemented responsive UIs with HTML5, CSS3 and Bootstrap to ensure cross-device compatibility.
- Designed and implemented RESTful APIs in Express.js to support CRUD operations, client-server communication, request validation, and structured error handling.
- Modeled MongoDB schemas and optimized database queries and indexing to improve backend reliability and scalability for data-heavy endpoints.
- Integrated Git and GitHub workflows for version control: developed feature branches, participated in code reviews, and merged pull requests while following Agile iterations.
- Used Postman for API testing and debugging; diagnosed and resolved endpoint issues, payload validation errors, and integration mismatches between frontend and backend.
- Applied core CS principles—data structures, algorithms and OOP—to implement efficient client-side state updates and performant server-side request handling.
Projects
Real-Time Sentiment Analysis System | 2024 – 2025
Tools Used: Python, NLTK, scikit-learn, Random Forest, Support Vector Machine, Pandas, NumPy
- Developed an NLP pipeline in Python using NLTK and scikit-learn to preprocess and classify 74,000+ social media posts for sentiment detection.
- Trained and compared models including Random Forest and SVM, achieving 97% accuracy on validation through targeted feature engineering.
- Optimized text preprocessing (tokenization, stopword removal, lemmatization) and feature selection, improving preprocessing efficiency by 12%.
- Reduced end-to-end system latency by 30% through batching and lightweight model selection to support near-real-time inference.
- Built evaluation workflows to monitor model performance and ensure balanced precision/recall through confusion matrix analysis.
Early Disease Prediction System | 2023 – 2024
Tools Used: Python, scikit-learn, Pandas, NumPy, k-fold Cross-Validation, Feature Engineering
- Constructed supervised learning models with scikit-learn for early disease detection, applying feature engineering to enhance predictive signals.
- Handled missing values, outliers, and normalization to prepare clinical-style datasets for robust model training.
- Implemented k-fold cross-validation and hyperparameter tuning to improve generalization, achieving 94% prediction accuracy.
- Performed exploratory data analysis to identify high-impact features and inform model selection and preprocessing strategies.
Education
Vignan’s University
B.Tech in Computer Science Engineering • Guntur, Andhra Pradesh, India • 2021 – 2025
Certifications
Responsive Web Design — Nxt Wave
Programming with Python — Nxt Wave
Databases — Nxt Wave
Dynamic Web Applications — Nxt Wave
Software Testing — NPTEL
Cyber Security — NPTEL
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