Andrés F. Quintana - Software Engineer - Software Developer
Passionate software engineer and recent grad. I thrive in team environments, love solving challenging problems, and am always eager to learn and improve.
Work Experience
Advance Business Software - Software Developer I
•Collaborated with cross-functional teams to gather and analyze requirements, translating them into technical specifications.•Designed, developed, and tested scalable and high-performance software applications using the .NET framework and C#.•Wrote clean, efficient, and maintainable code following best practices and coding standards.•Performed code reviews and provided constructive feedback to ensure code quality and adherence to architectural guidelines.•Troubleshot and debugged software defects, proposing effective solutions.•Optimized application performance and scalability through code optimization and performance tuning.•Stayed updated with the latest industry trends and technologies, actively contributing to process improvements.•Collaborated with the QA team to ensure comprehensive test coverage and assisted in resolving issues or bugs.•Participated in the entire software development lifecycle, including requirements analysis, design, implementation, testing, and deployment.
The Willows Foundation, Inc - IT / Finance Associate
•Trained and guided the administration team, leading to an increase in IT efficiency and a more streamlined workflow.•Led the implementation of a Point-of-Sale (POS) system, replacing the manual process, which improved transaction accuracy and efficiency by 30%.•Improved daily operations in the finance office by implementing new accounting processes, resulting in a 20% reduction in processing time for financial reports.•Collaborated with finance team members to identify and execute process improvements, enhancing financial reporting accuracy and achieving a 15% improvement in report accuracy.
MLSP - Office Assistant
•Efficiently coordinated schedules for meetings and open house events, increasing agent productivity and client satisfaction.•Streamlined the organization of paperwork and documents related to property listings and client interactions, reducing document retrieval time.•Handled emails and inquiries from clients and potential buyers, ensuring timely and professional responses, which improved client engagement and retention.
AFQ S.A.S. - Software Developer Intern
•Developed and designed comprehensive audit reports using the Telerik platform, enhancing report accuracy and clarity.•Gained hands-on experience with JavaScript, MVC pattern, SQL Server, ASP.NET, C#, and HTML5, significantly broadening technical expertise.•Participated in rigorous testing of records, identifying and resolving discrepancies.
Project Experience
Blockchain Development Project - Blockchain KYC - Team Member
•Collaborating in a team to develop a Blockchain-based KYC system for secure and private identity verification.•Implementing blockchain technology to enhance security and privacy in customer identity verification processes.•Gaining hands-on experience in blockchain development, smart contracts, and privacy-focused solutions.
Natural Language Processing Project - Text Sentiment Analyzer - Developer
•Conducted sentiment analysis on Amazon food reviews dataset using Natural Language Toolkit (NLTK) and Naïve Bayes algorithm.•Preprocessed data through tokenization, stop word removal, stemming, and lemmatization for effective analysis.•Achieved accurate sentiment classification, enabling insights into customer feedback and product reviews.
Data Science Research Project - Total Fitness Factor Score Approximation - Research
•Conducted an individual project on approximating Total Fitness Factor Score using R with data from CSU Fullerton's College of Health and Human Development.•Performed data cleaning, exploratory data analysis (EDA), and correlation exploration, focusing on key variables and FFTotal.•Developed and evaluated multiple linear regression models to predict fitness scores accurately.
Machine Learning Project - Image Classification - Developer
•Developed an image classification model using Convolutional Neural Networks (CNN) and TensorFlow for the CIFAR-10 dataset.•Conducted data preprocessing, including loading, normalizing pixel values, and flattening label values.•Implemented a Sequential model with Conv2D layers, batch normalization, MaxPool2D layers, Flatten layer, Dropout layer, and Dense layers.•Compiled and trained the model using Adam optimizer, Sparse Categorical Crossentropy loss, and Sparse Categorical Accuracy metric.•Evaluated and visualized training history, calculated test accuracy, and generated a confusion matrix with a classification report.
Algorithm Design Project - The Stock Purchase Maximization Problem - Developer
•Designed, implemented, and analyzed exhaustive and dynamic programming algorithms for the Stock Purchase Maximization Problem using Python.•Evaluated a range of optimization techniques and their performance in maximizing stock purchases with limited financial resources.•Developed efficient algorithms to solve complex financial optimization problems.
Personal Project - Front-End Practice - Developer
•Developed small projects to enhance my front-end skill set, focusing on creating responsive and interactive web interfaces.
Low-Level Programming Project - ARM Assembly String Class - Developer
•Developed a string class in ARM Assembly, focusing on dynamic memory allocation and efficient string manipulation.•Gained expertise in low-level programming and ARM Assembly language.
Game Development Project - Tic-Tac-Toe Game - Developer
•Created a Java-based Tic-Tac-Toe game with JavaFX and CSS for the user interface.•Developed UI components and integrated a lobby system for multiplayer games.•Utilized SQLite for data storage and retrieval.
Data Structures Project - String Class and Sorting - Developer
•Implemented a custom string class in C++ and sorted it using various traversal techniques.•Strengthened understanding of data structures, including binary trees, AVL trees, red-black trees, hash tables, and graphs.
Graphics Programming Project - 2D Graphics Objects Modeler - Team Member
•Developed a 2D graphics modeler using C++ with Qt's platform and library.•Gained experience with real-world C++ applications, Qt framework, and GitHub for version control.•Worked in an Agile environment to deliver a functional and user-friendly graphics tool.