Diego Siena

Software Engineer @BairesDev

ITC-level ExecutiveCTOEngineerBackend DeveloperFrontend DeveloperWeb DeveloperComputer engineer

Passionate software engineer with over a decade of experience, specializing in full-stack development, cloud solutions, and game development. I started coding at 16 in 2010, and since then, I've built a diverse career working across industries, including fintech, healthcare, IoT, ERP systems, and gaming. I have led teams, architected scalable applications, and developed solutions from scratch for startups and established companies alike. My expertise spans modern web technologies like Node.js, TypeScript, Vue.js, and Svelte, as well as mobile, IoT, and game development using Unity and C#. I have experience in cloud infrastructure, working with AWS and Azure, and integrating CMS solutions like Strapi.

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Work Background

Software Engineer

BairesDevSoftware Engineer

Mar. 2022United StatesAs a Software Engineer at BairesDev, I design and develop scalable and high-performance solutions for clients, helping them optimize their digital platforms and business processes. Working with a variety of industries, I focus on delivering efficient, maintainable, and modern applications. Key Responsibilities: - Develop and maintain web applications using Node.js, TypeScript, Svelte, and SvelteKit. - Integrate Contentful CMS for dynamic and structured content management. - Build serverless architectures using AWS Lambda, DynamoDB, and other cloud services. - Deploy and manage applications on Heroku and AWS. - Ensure high-quality UI/UX with HTML, CSS, and modern front-end frameworks and practices. Through these projects, I have contributed to improving performance, scalability, and user experience for various clients, delivering high-quality software aligned with business needs.

Tech Lead

Cuida.LifeTech Lead

Oct. 2020 - Mar. 2022São Paulo, BrazilLed the development of an e-commerce platform and a health management system from scratch. Defined the technical architecture, managed cloud infrastructure, and implemented Strapi CMS with MongoDB. Developed payment integrations and ensured platform scalability. Managed and mentored the tech team while contributing to strategic decisions alongside executives and investors. Tech Stack: Node.js, TypeScript, Vue.js, Nuxt.js, Tailwind CSS, Strapi CMS, AWS, MongoDB.

Full Stack Engineer

Kzas.aiFull Stack Engineer

Aug. 2019 - Oct. 2020São Paulo, BrazilDeveloped a real estate platform for property search, financing, and credit solutions. Built web applications using Vue.js, Nuxt.js, and Laravel, integrating MySQL for data management. Focused on performance optimization and seamless user experience. Tech Stack: Vue.js, Nuxt.js, JavaScript, PHP, Laravel, MySQL, HTML, CSS.

Full Stack Developer

WHF | A Design CompanyFull Stack Developer

Mar. 2019 - Jul. 2019Ribeirão Preto e Região, BrasilWHF is a service design company focused on digital solutions. As a Full Stack Developer, I played a key role in building a corporate website for one of Brazil’s largest healthcare providers, using Nuxt.js and Strapi CMS for content management. Additionally, I developed a component library in close collaboration with the design team to ensure UI consistency and scalability. Tech Stack: Nuxt.js, Vue.js, Node.js, Strapi CMS, MongoDB, Azure Services, HTML, CSS.

Game Developer

XIV Digital ArtsGame Developer

Mar. 2017 - Dec. 2018Roswell, Geórgia, Estados UnidosDeveloped and optimized 2D and 3D games using C# and Unity3D, contributing to game mechanics, and UI implementation. Worked on multiple titles, including: - Legends of Nesslifia (3D) - Nagger Madness (2D) - Minor Rampage (2D, available on Play Store) Focused on performance optimization, physics, and interactive gameplay experiences.

Web & IoT Developer

Grupo CriarWeb & IoT Developer

Jul. 2014 - Mar. 2019Ribeirão Preto e Região, BrasilDeveloped IoT systems for monitoring, reading, and writing sensor data from remote devices connected to the internet, using Raspberry Pi, Python, and C. Designed and implemented web systems and APIs for device monitoring, utilizing PHP, Python, and Vue.js, with MySQL as the database. Built mobile applications for API interactions using Cordova and Ionic. Managed and monitored on-premise servers, ensuring infrastructure stability with Linux and Shell Script. Tech Stack: Python, C, Shell Script, PHP, Vue.js, MySQL, Linux, Ionic

Instructor

Visual MidiaInstructor

Jul. 2013 - Jul. 2014Batatais, São Paulo, BrazilTaught an Android Basics course, covering programming logic, Java fundamentals, and Android development. Designed hands-on lessons to help students build their first mobile applications. Tech Stack: Java, Android

Software Developer

FBA Tecnologia Empresarial LTDASoftware Developer

Dec. 2011 - Jul. 2014Batatais, São Paulo, BrazilDeveloped and maintained ERP, POS, and financial management systems for business operations, including inventory management, invoicing, and fiscal control. Worked on desktop applications and backend systems, ensuring efficient data handling and business automation. Tech Stack: Delphi, C#, SQL Server, Firebird DB

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