João Melo Email & Phone Number

São Paulo, Sp, Br

Toronto, Ontario, Canada

Texas, United States

- Key contributor in developing an AI-driven platform empowering product managers at Productbot AI, bringing the full platform into operational use within 6 months utilizing technologies like React.js, TypeScript, Node.js, Next.js, PostgreSQL, tRPC, and integrating payment gateways like Stripe.- Focused on customer requirements, translating user feedback into resilient solutions that align with dynamic user needs.- Implemented complex AI chains and intelligent agents using LangChain, contributing significantly to its open-source community.- Worked with custom and self-hosted LLMs to build advanced AI chain configurations to enhance offerings.- Leveraged RAG and embeddings workloads for complex AI usage, further expanding Productbot's AI capabilities.- Exemplified technical prowess and dedication in using advanced technologies for effective problem-solving, contributing significantly to product success.- Introduced a new algorithm called Dynamic Top K in the open source LangChain project, benefiting thousands of developers by optimizing token usage during RAG stages.

- Led the maintenance of Back-End services for both mobile applications and administrative platforms.- Planned and designed a new service from ideation to implementation.- Implemented efficient CI/CD pipelines that boosted the building, testing, and deployment of new code.- Reduced technical debt in multiple systems which substantially lowered system maintenance and improved performance.- Worked with the mobile engineering team to integrate services and resolve any issues.

United States

Through X-Team, I worked at Coinbase as a Senior Software Engineer working on:- Effectively worked on two Front-End teams and delivered several high-impact tasks that increased the computational efficiency of complex operations.- Optimized Coinbase’s home page by completely refactoring existing code and integrating a Content Management System (CMS), to improve the User Experience of over 98,000,000 users.- Contributed to a company initiative that reached over 300,000 new customers through Coinbase's Super Bowl partnership.- Migrated static pages to dynamic layouts through a CMS-based architecture which significantly simplified maintenance activities and reduced development costs.- Enhanced the web ranking of products by implementing SEO techniques, leading to increased web traffic and brand awareness.- Documented new components utilizing Cosmos, Storybook, and React-Docz to enhance future development workflows.

São Paulo, São Paulo, Brazil

- Mentored several developers within the technical team to ensure consistent and high programming quality.- Built and maintained microservices focused on educational financing to improve the lives of lower-income people. It raised $55 Million USD.- Established standards for workflows and testing within company projects.- Contributed to the committee responsible for setting project standards and testing guidelines and collaborated with the senior management to define efficient workflows and good practices.

São Paulo, São Paulo, Brazil

- Created a tool to facilitate digital contract creation and signing of documents for Brazil's Central Bank.- Built and maintained a system to improve credit granting decisions based on customers' payment history and debt.- Ensured the platform functionality and architecture was capable of delivering the highest possible conversion rate of new leads registering for the service.- Automated a facial recognition and document validation tool for online services provided by the Brazilian government.- Advised the company on all decisions regarding database management.

São Paulo, São Paulo, Brazil

- Defined design standards for testing, linting, and architecture-related decisions.- Responsible for the supervision and maintenance of 5 of the company's microservices.- Implemented effective adjustments, modifications, and new features to existing projects.

São Paulo, São Paulo, Brazil

- Collaborated in the migration from a monolithic architecture to over 25 individual microservices.- Designed, developed, and delivered a microservice to substitute part of a monolith.- Updated and optimized existing systems by implementing powerful state-of-the-art technologies.- Identified, leveraged, and successfully capitalized on opportunities to improve engineering productivity.

São Paulo E Região, Brasil

- Designed and developed high concurrency, low latency services for finance and sports management applications.- Created and deployed a digital currency to facilitate payment for the sports club's members and associates.- Maintained the company's main website, enabling it to handle over 100,000 monthly users.- Built and maintained services that supported crucial in-house processes.

São Paulo, São Paulo

Built some services for the club's processes with NodeJS, Python, VueJS and AngularJS, such as financial management, automated flow control of vehicles in the club's parking lot, and an online contact book for the employees.

Systems Analysis And Development, Information Technology

Degree in systems analysis and development.

Bootcamp, Node.Js, Reactjs, React Native