Luiz Cavalcanti Email & Phone Number

State Of Bahia, Brazil

State Of Bahia, Brazil

São Gonçalo Dos Campos, Bahia, Brazil

Used Python, Django, Django-Oscar, Golang, Javascript, SQL, and PostgreSQL to build enterprise solutions, automations and a B2B e-commerce web app.

Salvador, Bahia, Brazil

LegalTech startup catering to large-scale enterprise clients like Big 4 auditing firms, growing 50% YoY with a high-performing 20-dev team.Responsibilities:Part of multiple agile teams developing large-scale asynchronous web scraping systems, a suite of microservices for self-managing machine learning based captcha solvers, and a client-facing API for structured legal data.Stack: Python, Redis, SQL, SqlAlchemy, FastAPI, Playwright, Selenium, asyncio, PyTorch, and Docker.Key Achievements:- Developed and updated dozens of undetectable web crawlers and API scrapers using Python, extracting and structuring data from millions of court cases to support data analysis by global corporations such as Big 4 auditing firms.- Eliminated a critical bottleneck in high-traffic web scraping system by redesigning its database and task management subsystem, enabling horizontal scalability and parallel execution. This significantly reduced customer complaints regarding failed or delayed requests.- Maintained and extended an automated captcha solver system (reCAPTCHA, HCaptcha, AWS) in Python, employing Convolutional Neural Networks, OpenCV, and Playwright. Reduced monthly costs by around 80% for cloud-based AI model training and captcha solving services.- Contributed to long-term strategic planning across technical teams and conducted code reviews every week, ensuring quality, Clean Code, and successful integration across teams and projects.- Proactively identified and resolved countless bugs in complex legacy systems, fixing serious failures that affected the integrity of critical data for high-profile clients.

Yucatán, Mexico

Part of a marketing, content creation and content management team serving multiple startups in the Web3 industry, including Panther Protocol ($11M total funding) and D-Core Research.Responsibilities:Implementing features and design tweaks on institutional websites using Javascript and CSS. Producing English documentation for components of blockchain protocols and dApps. Writing in-depth technical content about the Blockchain industry, its technologies, and tendencies.Key Achievements:- Taught myself Search-Engine Optimization (SEO) to build a strategy involving enhancing user retention, keyword optimization, backlink building, and website performance optimizations, achieving 208% growth in organic traffic, estimated by Semrush to cost over $15,000 to achieve through paid advertising.- Successfully executed the live broadcast of Fringe Finance's Metaverse Launch Party in Decentraland, leveraging technical expertise to prevent technical issues, integrate live video, and deliver a high-quality attendee and viewer experience while adhering to budget limitations.

Instructed over 20 students in Python, Java, C, C++, SQL, Data Structures, Object Oriented Programming, Graph Theory, Unix, Networking, Operating Systems, Web Scraping, and Databases, consistently receiving positive feedback.Developed skills such as algorithm design, teaching, technical communication in English, planning lessons, etc.

São Gonçalo Dos Campos, Bahia

Provided support, maintenance and planned the expansion of an enterprise computer network, setting up and implementing software to improve productivity and ensure data reliability.Key Impacts:- Proposed and led company-wide digital transformation, cutting administrative costs by 20% by automating and streamlining manual processes, and adopting cloud-based collaboration tools.