Kaio Duarte
Software Engineer at Apollo 350- Claim this Profile
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English Professional working proficiency
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Português Native or bilingual proficiency
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Bio
Marvin Li
I work very closely with Kaio at Apollo 350, where I am CEO and he is a staff level software engineer. We are a software agency working with the world's largest online publishers. For nearly two years, Kaio has been working with our client TelevisaUnivision on their flagship video platform, ViX which reaches millions of users worldwide. ViX is the fastest growing premium video product in history, and Kaio has been an instrumental part of its launch and growth. Kaio is one of the most productive engineers I have ever worked with. His velocity is astounding, and he doesn't sacrifice code quality. His code is always covered by the appropriate unit tests. He takes the time to pay down tech debt without being asked. We share a love of deleting legacy code paths. And his code reviews are just as meticulous. He will often spot small details that others miss. Beyond coding, Kaio takes great ownership. He is always on Slack, answering questions across the organization. Whenever there is an issue, Kaio is often first to jump on and troubleshoot. He has become the go-to person for a wide array of backend questions. He has managed to do this even with a 5-hour time difference from the core team. He is in Portugal, while ViX is headquartered in Miami. Kaio also plays the role of systems architect. He has designed several services that have had to scale to thousands of QPS. He understands how to build high volume distributed systems for reliability, observability, and maintainability. And he writes instructional and design documents, to help everyone get on the same page. Finally, Kaio is perpetually helpful. He is always willing to pitch in at different team, whenever they need help meeting deadlines, troubleshooting tricky issues, or shoring up some technical debt. In conclusion, Kaio does it all, and anyone would be lucky to have him as part of their team.
Marvin Li
I work very closely with Kaio at Apollo 350, where I am CEO and he is a staff level software engineer. We are a software agency working with the world's largest online publishers. For nearly two years, Kaio has been working with our client TelevisaUnivision on their flagship video platform, ViX which reaches millions of users worldwide. ViX is the fastest growing premium video product in history, and Kaio has been an instrumental part of its launch and growth. Kaio is one of the most productive engineers I have ever worked with. His velocity is astounding, and he doesn't sacrifice code quality. His code is always covered by the appropriate unit tests. He takes the time to pay down tech debt without being asked. We share a love of deleting legacy code paths. And his code reviews are just as meticulous. He will often spot small details that others miss. Beyond coding, Kaio takes great ownership. He is always on Slack, answering questions across the organization. Whenever there is an issue, Kaio is often first to jump on and troubleshoot. He has become the go-to person for a wide array of backend questions. He has managed to do this even with a 5-hour time difference from the core team. He is in Portugal, while ViX is headquartered in Miami. Kaio also plays the role of systems architect. He has designed several services that have had to scale to thousands of QPS. He understands how to build high volume distributed systems for reliability, observability, and maintainability. And he writes instructional and design documents, to help everyone get on the same page. Finally, Kaio is perpetually helpful. He is always willing to pitch in at different team, whenever they need help meeting deadlines, troubleshooting tricky issues, or shoring up some technical debt. In conclusion, Kaio does it all, and anyone would be lucky to have him as part of their team.
Marvin Li
I work very closely with Kaio at Apollo 350, where I am CEO and he is a staff level software engineer. We are a software agency working with the world's largest online publishers. For nearly two years, Kaio has been working with our client TelevisaUnivision on their flagship video platform, ViX which reaches millions of users worldwide. ViX is the fastest growing premium video product in history, and Kaio has been an instrumental part of its launch and growth. Kaio is one of the most productive engineers I have ever worked with. His velocity is astounding, and he doesn't sacrifice code quality. His code is always covered by the appropriate unit tests. He takes the time to pay down tech debt without being asked. We share a love of deleting legacy code paths. And his code reviews are just as meticulous. He will often spot small details that others miss. Beyond coding, Kaio takes great ownership. He is always on Slack, answering questions across the organization. Whenever there is an issue, Kaio is often first to jump on and troubleshoot. He has become the go-to person for a wide array of backend questions. He has managed to do this even with a 5-hour time difference from the core team. He is in Portugal, while ViX is headquartered in Miami. Kaio also plays the role of systems architect. He has designed several services that have had to scale to thousands of QPS. He understands how to build high volume distributed systems for reliability, observability, and maintainability. And he writes instructional and design documents, to help everyone get on the same page. Finally, Kaio is perpetually helpful. He is always willing to pitch in at different team, whenever they need help meeting deadlines, troubleshooting tricky issues, or shoring up some technical debt. In conclusion, Kaio does it all, and anyone would be lucky to have him as part of their team.
Marvin Li
I work very closely with Kaio at Apollo 350, where I am CEO and he is a staff level software engineer. We are a software agency working with the world's largest online publishers. For nearly two years, Kaio has been working with our client TelevisaUnivision on their flagship video platform, ViX which reaches millions of users worldwide. ViX is the fastest growing premium video product in history, and Kaio has been an instrumental part of its launch and growth. Kaio is one of the most productive engineers I have ever worked with. His velocity is astounding, and he doesn't sacrifice code quality. His code is always covered by the appropriate unit tests. He takes the time to pay down tech debt without being asked. We share a love of deleting legacy code paths. And his code reviews are just as meticulous. He will often spot small details that others miss. Beyond coding, Kaio takes great ownership. He is always on Slack, answering questions across the organization. Whenever there is an issue, Kaio is often first to jump on and troubleshoot. He has become the go-to person for a wide array of backend questions. He has managed to do this even with a 5-hour time difference from the core team. He is in Portugal, while ViX is headquartered in Miami. Kaio also plays the role of systems architect. He has designed several services that have had to scale to thousands of QPS. He understands how to build high volume distributed systems for reliability, observability, and maintainability. And he writes instructional and design documents, to help everyone get on the same page. Finally, Kaio is perpetually helpful. He is always willing to pitch in at different team, whenever they need help meeting deadlines, troubleshooting tricky issues, or shoring up some technical debt. In conclusion, Kaio does it all, and anyone would be lucky to have him as part of their team.
Experience
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Apollo 350
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United States
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Software Development
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1 - 100 Employee
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Software Engineer
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Jul 2021 - Present
At ViX, a prominent video streaming service, I had the opportunity to collaborate extensively across teams while working on various projects. Key responsibilities included: Played an integral role in the construction and maintenance of a high-throughput GraphQL API gateway. Leveraging Node.js as the server language and Redis as the caching layer, I actively contributed to optimizing data retrieval and processing, ensuring seamless and efficient performance. Engaged in cross-team collaboration for the development and upkeep of microservices, leveraging cutting-edge technologies including Node.js, Google Cloud Platform, Redis, Bigtable, and MongoDB. This included designing and implementing scalable and reliable solutions to support various system functionalities. Actively participated in the construction of a failover mechanism tailored specifically for the World Cup 2022. By implementing robust failover strategies, I ensured uninterrupted service availability during critical events and potential system failures. This required close coordination with multiple teams to guarantee seamless coverage and uninterrupted streaming experience for ViX users. Throughout these experiences, I actively participated in a collaborative environment, engaging with teams from different departments to exchange knowledge, tackle challenges, and deliver exceptional results. Show less
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HydraDev
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Portugal
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Software Development
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1 - 100 Employee
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Full Stack Developer
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Mar 2020 - Aug 2022
- Worked as a Full Stack Developer on multiple projects. - Collaborated closely on the maintenance of an internal web application dedicated to managing daily reports and HR operations. This involved actively ensuring the application's smooth functioning, resolving issues, and implementing enhancements to optimize its performance. - Took part in the re-design of the application using Material-UI, a popular UI framework. By incorporating modern design principles and leveraging the capabilities of Material-UI, I contributed to creating a more visually appealing and user-friendly interface for efficient HR management. - Actively participated in the architecture refactoring of a React application, employing best practices and principles to enhance its overall structure, scalability, and maintainability. This involved analyzing the existing architecture, identifying potential improvements, and implementing necessary changes. - Made significant contributions to the development of a backup system designed to periodically back up the production database. By creating an automated system that adhered to a specific schedule, I ensured data integrity and provided a safety net against potential data loss. - Developed robust CI/CD pipelines utilizing GitHub Actions and Digital Ocean to host the application. This involved implementing continuous integration and deployment practices, allowing for efficient and streamlined updates to the application while ensuring its availability and stability. Show less
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Sports Card Investor
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United States
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Online Audio and Video Media
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1 - 100 Employee
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Full Stack Developer
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Sep 2020 - May 2021
At Market Movers, I contributed to the development of the web version of their sports card collection management app. The app aimed to assist users in efficiently organizing their collectible sports cards by providing features such as collection management, profit/loss tracking, and tracking of sold cards. Specifically, my responsibilities included: - Building and implementing multiple reports pages to facilitate efficient data management. These reports pages were designed to offer users comprehensive insights into their card collections, enabling them to make informed decisions. - Collaborating with the team to optimize the performance of the server as the data volume increased. By analyzing and addressing performance bottlenecks, we ensured smooth and responsive user experience even with growing datasets. - Contributing to the migration of a portion of the infrastructure to microservices architecture. This involved working closely with the team to identify appropriate services, designing communication protocols, and seamlessly integrating them into the existing system. The migration aimed to enhance scalability, modularity, and overall system performance. By actively participating in these initiatives, I played a crucial role in enhancing the app's functionality, performance, and scalability. Show less
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Riskivector Unipessoal LDA
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Portugal
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Real Estate
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1 - 100 Employee
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Full Stack Developer
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May 2019 - Feb 2020
At Riskivector, a rental platform dedicated to serving students, I contributed to the company in the following ways: - Built a comprehensive financial module within the internal ERP system, specifically tailored to the unique needs of a student-centric rental platform. This module significantly improved financial management, including budgeting, tracking expenses, and generating accurate financial reports. - Collaborated with the team to design and develop an engaging landing page for Riskivector. Implemented a visually appealing and user-friendly interface, ensuring seamless navigation and providing essential information about the platform's services and benefits to potential users. Show less
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Fashionalia
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Spain
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Retail Apparel and Fashion
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1 - 100 Employee
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Python Developer
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Jan 2018 - Oct 2019
Supported Fashionalia, a multi-brand e-commerce platform, by developing web crawlers for partner fashion brands' e-commerce platforms. These web crawlers were utilized to extract and integrate product data into Fashionalia's catalog. Supported Fashionalia, a multi-brand e-commerce platform, by developing web crawlers for partner fashion brands' e-commerce platforms. These web crawlers were utilized to extract and integrate product data into Fashionalia's catalog.
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Haken EJ
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Campo Mourão Area, Brazil
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Full Stack Developer
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Oct 2016 - Aug 2018
- Full-stack web development - Full-stack web development
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Education
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2019 - 2020
Instituto Politécnico de Bragança
Master's degree, Information Systems -
2015 - 2020
Universidade Tecnológica Federal do Paraná
Bachelor's degree, Computer Science
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