Estevão Dev. Portfolio
This is my portfolio. I'm a software developer,
and I'm passionate about technology.
Redis Server
Description:
- Developed a Redis server from scratch in Go
- Engineered concurrent client handling for improved performance
- Implemented replication and command propagation features
- Added support for RDB persistence, including writing and reading from RDB files
- Introduced stream support with blocking read capabilities
- Created a Radix tree data structure for efficient key storage
- Implemented transactional support to ensure atomic operations}
Tech / Skills:
Go, Redis, Server-side programming
GitHub:
Battleship Multiplayer Game
Description:
- Developed a full-stack multiplayer game as part of a group, showing ability to work and cooperate in a team environment.
- Used Java, SpringBoot, and the MVC pattern in production, demonstrating proficiency in server-side programming and web development.
- Wrote an API for the game, allowing users to play against each other.
- Integrated a collection of test cases using JUnit to ensure the correctness of the game logic.
- Published the game on Railway.
Tech / Skills:
Java, SpringBoot Server-side programming, JUnit, Web Development, RailwayGitHub:
Mortgage Calculator
Description:
- Reverse Engineered and built a calculator that dynamically breaks down loan details for a mortgage.
- Formulated a responsive design and a user-friendly interface using React, Tailwind, and TypeScript.
- Deployed the application on Vercel and set up continuous deployment and continuous integration.
Tech / Skills:
React, Tailwind, TypeScript, Next.js, CD/CIGitHub:
SQLite Database Reader
Description:
- Developed a SQLite database reader from scratch in Go
- Engineered a parser to read and interpret the SQLite file format
- Implemented a command-line interface to interact with the database
- Added support for querying the database and displaying the results
- Added support for reading using index pages for faster access
Tech / Skills:
Go, SQLite, Databases, BTrees, CLIGitHub:
HTTP Server
Description:
- Developed an HTTP server from scratch in Go
- Engineered concurrent client handling for improved performance
- Implemented a router and a middleware system
- Added support for static files and directory listing
Tech / Skills:
Go, HTTP, Server-side programmingGitHub:
Grep
Description:
- Developed a grep-like utility for matching regular expressions in strings
- Added support for basic regular expressions
- Added support for extended regular expressions with the -E flag
- Implemented backtracking for regular expression matching to handle backreferences
Tech / Skills:
Go, Regular expressions, CLIGitHub:
GoLox
Description:
- Developed a Lox interpreter in Go
- Engineered a scanner, parser, and interpreter for the Lox language
- (coming...) Implemented a bytecode compiler and a virtual machine
- (coming...) Added support for control flow, functions, and closures
- (coming...) Added support for classes and inheritance
Tech / Skills:
Go, Interpreters, Compilers, LoxGitHub:
Health and Fitness Calculators
Description:
- Designed and implemented a website with a collection of various types of calculators related to health and fitness.
- Created the website without using any frameworks, illustrating competence in fundamental HTML, CSS, and JavaScript.
- Compiled over 10 different types of the most used fitness calculators that have proved very useful in helping people achieve their fitness goals.
Tech / Skills:
CSS, HTML, JavaScript, Web DevelopmentGitHub:
UMass Boston C.S. Program Chart
Description:
- Programmed a webpage to display all Computer Science classes and their prerequisites.
- Built the webpage using Mermaid, HTML, and JavaScript, for better interactivity.
- Published the webpage on the Computer Science department's website contributing to improved accessibility for all students.
Tech / Skills:
Mermaid, HTML, JavaScript Web DevelopmentGitHub:
Data Structures & Algorithms
Description:
- Put together a collection of data structures and algorithms modules, including linked lists, stacks, queues, trees, and sorting algorithms into a library.
- Implemented each module in C, displaying adeptness in low-level programming.
- Wrote a collection of test cases to ensure the correctness and efficiency of the implementations.
Tech / Skills:
C, DSA, CS fundamentals, VSCodeGitHub:
File Compression Program
Description:
- Engineered a file compression / decompression program using the Huffman algorithm, and the abovementioned custom data structures.
- Achieved a 40% compression rate when working with text files.
- Tested the program with a target of 0 memory leaks, showcasing skill in debugging and testing.
Tech / Skills:
C, Practical application of data structuresGitHub:
Tic Tac Toe with Minimax Algorithm
Description:
- Developed a Tic Tac Toe game with an AI using the Minimax algorithm, demonstrating competence in game development and AI.
- Designed and implemented a user-friendly interface using PyGame and UI design principles.
- Implemented the game with a GUI and CLI version, showing proficiency in code modularity.
Tech / Skills:
Python, PyGame, UI DesignGitHub:
Uno Game Simulator
Description:
- Developed an Uno game simulator using Java illustrating object-oriented programming skills, and algorithmic thinking.
- Designed and implemented a collection of classes and methods to simulate the game.
- Wrote a 'view' state to log the entire output of the game to a text file.
Tech / Skills:
Java, Maven, JUnit, Object-oriented programming, Algorithmic thinkingGitHub:
Portfolio Website
Description:
- Designed and implemented a portfolio website using React, Next.js, and Tailwind, showing aptitude in web development.
- Deployed the website on Vercel and set up continuous deployment and continuous integration.
- Published the website on GitHub.
Tech / Skills:
React, Next.js, Tailwind, TypeScript, Vercel, CD/CIGitHub: