César Hilário

Partner and technical lead of Joga+, an app for managing and organizing amateur football matches.

Built the mobile app (iOS and Android) in React Native and the APIs in Node.js with Fastify, as well as web interfaces in Next.js.

Defined the software architecture and system design of the platform, focusing on scalability and continuous product evolution.

Technical deliveries that boosted user acquisition and drove a 56% revenue increase in 40 days.

Worked on defining and evolving software architectures, focusing on scalability, high availability, security and application resilience.

Contributed to defining strategies and making technical and business decisions, using data analysis to identify improvement opportunities.

Built applications, taking part from the technical definition of solutions through to the implementation and evolution of features.

Mentored and followed up with developers, ensuring implementations stayed aligned with the established standards, best practices and architectural decisions.

Defined and rolled out best practices in Software Development/Engineering

Ensured the technical quality of the Leroy Merlin app

Critical, documented analysis of technical processes

Native implementations using Kotlin and Swift

Definitions and contributions to the app squad's DevOps process.

Worked in the Investments business unit

Together with the team, I received the mission of migrating Banco Original's fixed-income operations to PicPay in just three months. The project was completed successfully thanks to everyone's joint effort, and I played a key role throughout the whole process. I worked directly on defining and validating the software architecture of projects, structuring processes, solving critical problems and mediating demands between technical teams and stakeholders. I also actively contributed to all the squads involved, ensuring alignment across the different fronts and the quality of the final product.

I also helped manage and control the backlog, technical debt, action plans, and flow and experience improvements.

I mentored several teammates so they could complete or build professional and personal goals

I carried out critical and precise analyses/fixes so the company met requirements of regulatory bodies such as Bacen, CMN and CVM

I was a member of the architecture squad, focused on developing and applying standards/solutions for the other mobile front-end squads.

I implemented React Native × native platform (Android and iOS) bridges in Swift, Kotlin, Java and Objective-C

I led the TPI (Third Party Integrations) squad, which centralized all integrations with vendors' native SDKs. I became the main developer for this competency in the business unit, integrating Data, UX, Marketing (CRM) and Security tools. Some of the tools I rolled out were Google Analytics, UXCam, Hotjar, Salesforce Marketing Cloud, Único and Fraud Prevention (CAF), among others...

Conducting technical interviews with candidates in the business unit's hiring process

Conducting meetings with vendors (technical and commercial), stakeholders and the internal team

Responsible for building the front end of the Einstein Verifica application, an app similar to Memed, using React.js and JavaScript, applying development best practices to ensure a fluid and intuitive interface.

I also mentored several colleagues, supporting their professional growth and the development of their technical skills

I was part of an elite squad in the Telemedicine sector during the Covid-19 pandemic, where we worked intensely to improve the user experience and were recognized several times as the best telemedicine in the world.

At Banco Sofisa Direto, I took part in developing solutions for the debit/credit card sector, focused on building APIs and integrating systems with technologies such as C# (.NET Core), SQL, Git and Xamarin. I was responsible for code quality, maintenance and implementing new features, always focused on agile, high-performance results

During this period I returned to working on Recibex, making some improvements and new deployments

Development of Android and iOS mobile applications in React Native

Main person responsible for the Airport System (Paperless) project, aimed at reducing the number of paper forms used by the Orange Caps.

Working as a freelancer, I built projects and maintained existing applications.

My main project was "Recibex", an application that allowed customized issuing and management of receipts. It was deployed in charity fundraising offices and helped my partners improve the offices' operational and financial processes.