Address: Rio de Janeiro - RJ, 21250-371, Brazil &nbsp;&nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp;Contact: +1 (315) 547 6302 &nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp;Email: <a [removed] rel="noopener noreferrer" [removed] D. Vieira dos SantosSoftware Developer	 &nbsp;Experienced Full Stack Developer with a demonstrated history of working in the information technology industry. &nbsp;Skilled in C#/JavaScript/Typescript/Java/Python/Ruby. &nbsp;I’ve successfully delivered an e-commerce project as a project manager in a cross-functional team of 5 people. I am experienced enough in applying Agile and Scrum methodology to ensure efficient and effective project delivery. Looking for an opportunity to utilize my skills in a challenging environment.<h1>Experience</h1><h3>Sr. Software Engineer&nbsp;</h3><h3>Blip | <a href="https://www.crunchbase.com/search/organizations/field/organizations/location_identifiers/s%C3%A3o-paulo-sao-paulo" rel="noopener noreferrer" target="_blank" style="color: rgb(28, 81, 90);">São Paulo</a>,<a href="https://www.crunchbase.com/search/organizations/field/organizations/location_identifiers/sao-paulo-brazil" rel="noopener noreferrer" target="_blank" style="color: rgb(28, 81, 90);">&nbsp;Sao Paulo</a>,<a href="https://www.crunchbase.com/search/organizations/field/organizations/location_identifiers/brazil" rel="noopener noreferrer" target="_blank" style="color: rgb(28, 81, 90);">&nbsp;Brazil</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;November 2023 - Present</h3>·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Replaced multiple third-party web scraping and data processing applications with Node.js solutions.·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Improved deployment efficiency by 35% using Azure.·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Streamlined deployment processes through DevOps practices, reducing time by 30% with Jenkins and Docker.&nbsp;<h3>Full stack developer&nbsp;</h3><h3>Atlas Technology | <a href="https://www.crunchbase.com/search/organizations/field/organizations/location_identifiers/singapore-central-region" rel="noopener noreferrer" target="_blank" style="color: rgb(28, 81, 90);">Singapore</a>,<a href="https://www.crunchbase.com/search/organizations/field/organizations/location_identifiers/central-region-singapore" rel="noopener noreferrer" target="_blank" style="color: rgb(28, 81, 90);">&nbsp;Central Region</a>,<a href="https://www.crunchbase.com/search/organizations/field/organizations/location_identifiers/singapore" rel="noopener noreferrer" target="_blank" style="color: rgb(28, 81, 90);">&nbsp;Singapore</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;September 2019 - October 2023</h3>·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Designed and implemented 10+ web applications using Angular (Version 8+) and , Spring Boot(Java), ensuring seamless integration with relational databases like PostgreSQL and Oracle.·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Built 20 web applications using ASP.NET, RESTful APIs, and Angular to improve user experience and client satisfaction by 30% in a Linux environment.·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Contributed to a scalable web application serving over 100,000 users using React(Next.js), and Django.·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Eliminated 80% of bugs in a Ruby on Rails server application, improving overall performance.·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Collaborated on blockchain-based decentralized applications(dAPP), delivering 5 projects that streamlined transactions for 10,000 users.·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Implemented cloud solutions via Google Cloud Platform (GCP), achieving a 30% reduction in application latency.·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Employed CI/CD tools, including Jenkins and Travis-CI, to automate deployment processes, cutting deployment time by 40%.·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Created a custom e-Commerce platform, increasing online sales by 45%.·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Partnered with cross-functional teams to develop and deploy machine learning models, enhancing system efficiency by 25%.·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Directed a team of developers in an Agile environment, improving project delivery timelines by 20%.&nbsp;<h3>Backend developer&nbsp;</h3><h3>Ascentis | <a href="https://www.crunchbase.com/search/organizations/field/organizations/location_identifiers/singapore-central-region" rel="noopener noreferrer" target="_blank" style="color: rgb(28, 81, 90);">Singapore</a>,<a href="https://www.crunchbase.com/search/organizations/field/organizations/location_identifiers/central-region-singapore" rel="noopener noreferrer" target="_blank" style="color: rgb(28, 81, 90);">&nbsp;Central Region</a>,<a href="https://www.crunchbase.com/search/organizations/field/organizations/location_identifiers/singapore" rel="noopener noreferrer" target="_blank" style="color: rgb(28, 81, 90);">&nbsp;Singapore</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;February 2013 - August 2019</h3>&nbsp;·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Enhanced backend efficiency by integrating Python with Java, improving request handling by 15%.·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructed and deployed more than 5 high-impact backend solutions using ASP.NET Core and Python frameworks to improve system reliability and scalability.·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Enabled seamless integration of Python with Node.js for backend development, decreasing request handling time by 9%.·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Optimized data storage and retrieval with an integrated MySQL database, achieving a 24% increase in speed through effective data modeling.·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Enhanced data retrieval speed by 40% with NoSQL(MongoDB, DynamoDb) using optimized queries.·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Architected and maintained 10+ web applications using Laravel, WordPress and Vue.js, improving user experience and functionality by 15%.·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Handled and debugged UI/UX issues across various platforms, improving user experience ratings by 25%.·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Deployed applications on AWS, making use of services like EC2 and S3 for improved scalability and storage, which reduced costs by 20%.·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Maintained 99% uptime by implementing SOAP-based web services for interoperability. <h1> </h1><h1> </h1><h1>Education</h1><h2>&nbsp;</h2><h3>&nbsp;&nbsp;&nbsp;Bachelor of Science in Computer Science </h3><h3> Singapore Institute of Management, Singapore 599491&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;January 2009 - January 2013</h3> <h3>&nbsp;&nbsp;&nbsp;Related Projects</h3>1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Capstone project (2013): Online Resource Scheduling System- Description: Developed a web-based resource scheduling system using Java and MySQL for backend processing, with a JSP/Servlet frontend.- Key features:	· User authentication and session management.	· Role-based access control for administrators and users. Optimized SQL queries for efficient resource	allocation.- Impact: Improved scheduling efficiency by 25% in simulated organizational environments.2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Capstone Project (2012): E-commerce platform with secure payment integration- Description: Developed an e-commerce web application using PHP, HTML5, and CSS3 with secure payment integration using the PayPal API.- Technologies Used:· Frontend: Bootstrap for responsive design.· Backend: PHP and MySQL database.· Security: Implemented HTTPS and basic encryption for user data.- Result: Successfully demonstrated a fully functional prototype that handled transactions securely.3.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Data Analytics Project (2011): Predicting Student Performance- Description: Analyzed historical student performance data to predict scores using statistical models in MATLAB.- Key Components: Data pre-processing and cleaning using Excel and MATLAB scripts. Linear regression models to identify key predictors of academic success.- Impact: Provided actionable insights into factors affecting student performance.4.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Mobile Application Development (2010): Campus Navigation App- Description: Developed a mobile application for NTU students to navigate around campus using Android SDK.- Technologies Used: Java for Android development. Google Maps API for location services.- Results: Improved campus navigation experience, especially for new students.5.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Software Engineering Group Project (2009): Library Management System- Description: Worked with a team to develop a library management system using C# and Microsoft SQL Server.- Key features: Book search functionality with filters. Borrowing and return tracking system with automated email reminders.- Skills gained: Team collaboration, database design, and object-oriented programming.&nbsp;<h3>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Achievements &amp; Awards</h3>- Dean's List Recipient (2010-2013)·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Recognized multiple times for academic excellence in Computer Engineering.- Best Project Award - NTU Software Design Challenge (2013)·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Won the award for developing an innovative online resource scheduling system.- URECA Research Program Participant (2009-2012)·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Conducted research on optimizing SQL database performance, culminating in a presentation at the NTU Research Symposium. - Hackathon Finalist (2012)·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Reached the finals of a university-level hackathon by building a prototype food delivery app using AngularJS and Node.js.- Global Undergraduate Awards - Highly Commended (Computer Science Category, 2013)·&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Recognized for my capstone project on secure e-commerce platforms <h1>Skills &amp; Abilities</h1> Ø Programming Languages:&nbsp;Java, C#, PHP, JavaScript(Node.js, React.js), Typescript, HTML, CSS, Python, RubyØ Frameworks: React, Angular, Vue.js, Django, Laravel, ASP.NET, Ruby on RailsØ Database Management: Oracle, MySQL, PostgreSQL, MongoDB, FirebaseØ DevOps &amp; Version Control: Docker, Jenkins, GitØ Web Servers/Services: Apache, Nginx, AWS, Azure, Google Cloud platform(GCP)&nbsp;

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