Stuard Carrillo

Senior Back End Developer

Svitla Systems, Inc.

Apr 2023 - Current (3 years 6 months)

I'll collaborate on a serverless architecture working with Node.js and React.

X-Team’s Partner Senior Software Developer

X-Team

Feb 2023 - Apr 2023 (3 months)

I collaborated with Supergroup (X-Team's Partner) to develop a mobile/web app. The app was heavily focused on how user data relates. Using a Graph DB (Neo4j) was part of our backbone, along with frameworks that allow us to move faster, implementing the client (React Native and Expo) and creating an API (Apollo Server with Express). Highlights:
• Implemented and maintained multi-platform components with React Native to develop new features and user flows.
• Exposed a GraphQL and REST API to handle multi-platform requirements like file and image manipulation.
• Write optimized Cypher queries to Neo4j and connect them to the APIs.
• Have transparency with the team using Agile methodologies and weekly demos.
• Provide f

Internal Team Senior Software Developer

X-Team

Oct 2022 - Feb 2023 (5 months)

I worked on an internal project to develop a web-based card game. The game was about picking bugs, represented by cards, based on an app and the code displayed to the user. I was in charge of the development, working on the authorization, implementing the UI and game logic, and providing feedback and ideas for the project. I used GitHub OAuth, Typescript, React, Tailwind, Node.js, Apollo Server, Prisma, and PostgreSQL. Highlights:
• Provided feedback and ideas for the project.
• Implemented the UI elements following a System Design with tools like Tailwind.
• Tie the game logic between the Frontend and Backend through a GraphQL API.
• Handle the game state based on user input providing a seamless, user-friendly experienc

X-Team’s Partner Senior Software Developer

X-Team

Oct 2021 - Oct 2022 (1 year 1 month)

I collaborated with Supergroup (X-Team's Partner) to maintain and develop different web apps. The main project was a SaaS with a high focus on connecting people around the US market developed using Typescript, React, Chakra UI, Hasura, Auth0, Contentful, Apollo Server, Express, Redis, Neo4j, and PostgreSQL. The second project was a website using SSR and SSG with Next.js, using data from Contentful. Highlights:
• Developed an intuitive, user-friendly SaaS application.
• Created responsive UIs from a System Design.
• Maintained and supported projects throughout the company.
• Worked with various databases that fit diverse needs, like Redis to cache computed data or Neo4j to resolve relations between data.
• Built new

Senior Software Developer Team Lead

Advision Development

Jan 2020 - Oct 2021 (1 year 10 months)

I worked as a team lead after being promoted from a senior developer role. I was responsible for developing two projects: a betting and odds sports game and a blog forum. I lead a team of four developers with different experience levels. I managed the project priorities, assigned tasks, reviewed code, provided mentoring and feedback to my teammates, and assisted in development. We use React, PHP, GraphQL, WebSockets, and PostgreSQL as the main technologies.

Senior Software Developer

Advision Development

Feb 2019 - Jan 2020 (1 year)

I started as a mid-senior developer and proved my skills by writing scripts to automate tasks and improve efficiency for the team. I also assisted other developers with debugging and testing and learned from their feedback, and I gradually took on more responsibilities and challenges. I have used React, Javascript, WebSockets, GraphQL, SCSS, Nodejs, and PostgreSQL technologies to develop new features with real-time data updates.

Mid Senior Software Developer

Advision Development

Aug 2018 - Feb 2019 (7 months)

As a mid-senior, I was responsible for developing and maintaining a blog site using vBulletin, a popular forum software. I used PHP, MySQL, HTML, CSS, and JavaScript to create custom features and plugins for the site.

Junior Software Developer

Centauro Solutions

Apr 2016 - Aug 2018 (2 years 5 months)

I was responsible for designing, implementing, testing, and deploying the system that allows lawyers to create customized legal documents based on their client's needs and preferences. I also maintained and updated the system to ensure its reliability, security, and performance. I used .NET Framework and C# as the main programming languages, SQL Server as the database management system, and various web technologies such as HTML, CSS, JavaScript, and ASP.NET MVC for the front-end development. I experienced troubleshooting issues and successfully delivered updates to system management using PHP and MySQL. I was part of a team that developed a system for cr

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Stuard Carrillo

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