Caio Martins Email & Phone Number

Santiago, Cl

Bellingham, Washington, United States

Belo Horizonte, Minas Gerais, Brasil

Achievements:- Successfully designed and developed from scratch a financial reconciliation system that generates over 200k BRL (~40k USD) in monthly value for the organization.- Achieved over 94% uptime for critical financial processes using Serverless Automation.- Established a robust and scalable data processing pipeline capable of handling diverse invoice formats (PDF, Excel, CSV, XML) by using Python and AI tools (OCR, LLM).- Developed an internal platform to enable personal data management and data export processes while adhering to strict data privacy regulations.- Provided technical leadership, training and mentorship to other developers, contributing to team development.Context:Onfly is a rapidly growing travel tech startup in Brazil, focused on B2B solutions for managing corporate travel and expenses. As a Full Stack Engineer at Onfly, I contributed to the design, development, and implementation of several projects. My role involved delivering secure and scalable features, focusing on code stability and quality.Technologies:- Python- FastAPI- Postgres / MySQL- Redis- React- TypeScript- Google Cloud Platform (GCP)- Docker- Firebase- OCRActivities:- Developed new features and backend services from scratch using Python- Design and development of a receipts processing engine powered by AI (OCR, LLM)- Developed frontend features using React and TypeScript- Architected services with modular evolutionary architectures.- Led the design and development of data crawlers and automations.- Mentored and trained junior developers, fostering knowledge transfer and team growth.- Guided the team in applying best practices for back-end and automation development, such as modularization and security.

Belo Horizonte

Achievements:- Achieved a 95% reduction in automation infrastructure costs compared to industry standards by leveraging serverless architecture using GCP.- Increased operational efficiency by automating over 1000 hours of manual work per month through process automation.- Engineered a comprehensive automation methodology, resulting in a 96% uptime for critical processes by using serverless architectures.- Developed the foundation for the RPA team by mentoring and training other developers, fostering knowledge transfer and team growth.- Established DevOps pipelines for Serverless Automations, including staging and production environments with unit testing (pytest) and automated deployment.Context: Onfly is a rapidly growing travel tech startup in Brazil, focused on B2B solutions for managing corporate travel and expenses. As Onfly's first Python RPA Developer, I established an efficient RPA operation, increasing operational efficiency and cost-effectiveness within the organization.Technologies:- Python- Selenium- FastAPI- Docker- GCP- Google BigQuery- DevOps- JavaScript- Google Apps Script- n8nActivities:- Design and development of web automation, system integrations and web crawlers using Python.- Development of automations using n8n and Apps Script.- Collaboration with business areas to gather requirements and perform process mapping as needed.- Management of staging and production environments in Google Cloud Platform (GCP).- Established development guidelines and best practices as the team expanded.- Provided mentorship and leadership to other developers on the team.

Belo Horizonte, Minas Gerais, Brazil

Achievements:- Optimized resource utilization by over 90% by implementing serverless architectures on Google Cloud Platform (GCP) to scale automations without increasing costs.- Built and maintained robust near real time ETL pipelines using Python and GCP to process and integrate data from various marketing platforms.- Designed and developed a React (TypeScript) and Firebase based platform to automate ad script generation, improving efficiency on marketing campaigns.Context:Mão na Massa is a digital marketing agency focused in accelerating business growth. As a Full Stack Developer at Mão na Massa, I worked in the development of data-driven solutions and automations to enhance marketing campaign performance and optimize operational processes.Technologies:- Python- FastAPI- React- TypeScript- Google Cloud Platform (GCP)- Serverless- Docker- Firebase- SeleniumActivities:- Created automation scripts using Python, Apps Script, and Selenium to automate repetitive tasks.- Developed Systems Integrations between marketing CRM, email marketing platforms, and Calendly to automate sales meeting scheduling.- Managed and optimized WordPress-based marketing landing pages to improve user experience and conversion rates.- Collaborated closely with clients to understand their needs and deliver solutions.

Belo Horizonte, Minas Gerais, Brasil

Achievements:- Saved 250+ hours monthly from the team by automating repetitive tasks using Python, Apps Script, and Google Suite.- Enabled data-driven decision-making for over 15 clients monthly by constructing interactive dashboards using Looker Studio to provide marketing insights for clients.- Successfully developed and maintained Python-based ETL pipelines to efficiently integrate data from multiple advertising platforms into a centralized Google BigQuery data warehouse.Context:Mão na Massa is a digital marketing agency focused in accelerating business growth. As a Junior Full Stack Engineer at Mão na Massa, I helped building a data-driven platform to optimize marketing campaign performance. I also worked with task automation using Python and developed small features for web apps.Technologies:- Python- FastAPI- React- TypeScript- Google BigQuery- Looker Studio- Selenium- Google Apps ScriptActivities:- Development of system integrations and web scraping using Python.- Development of automations using Python and Apps Script.- Development of front-end features using React.- Integrated with multiple advertisement APIs like Meta Ads, Google Ads, YouTube Analytics and Google Analytics, Whatsapp Business API.- Collaborated with cross-functional teams to ensure successful project delivery.

Achievements:- Processed over 50,000 monthly transactions for a single client by developing an integration to automate payments through PIX, Brazil's instant payment method, improving efficiency and reducing manual errors.- Reduced manual work and improved efficiency by streamlining marketing campaign processes through the integration of landing pages, email marketing, and the WhatsApp Business API using Python and Apps Script automations.- Reduced late fees for students by developing an automation system that notified college students about upcoming book return deadlines and enabled automatic renewals.Context: Worked as a freelance software engineer specializing in Python automation and system integrations, delivering solutions to clients across different industries such as marketing, education and public administration.Technologies:- Python- Selenium- Apps Script- Node.js- TypeScript- Express- MVCActivities:- Development of automations and web scrapers using Python and Selenium- Development of System Integrations using Python and Apps Script- Development of web APIs using Express and Node.js- Collaborated closely with clients to understand their needs and deliver solutions.- Actively participated in an open-source community, collaborating with developers to create software solutions, fostering a culture of learning and innovation.

Achievements:- Implementation of Scrum agile methodology in the context of automobile prototypes construction.- Successfully coordinated the design and manufacturing of a new energy efficient automotive prototype.Context:Milhagem UFMG is an extension project at UFMG focused on the design and manufacturing of energy efficient automobile prototypes. As Team Manager I played a pivotal role in enabling the team and coordinating the project during a year.Frameworks and methods:- Scrum- Agile- KPIs and OKRs- Burndown Chart

Bachelor Of Science - Bs, Mechanical Engineering, Physics

- Teaching Assistant of the Thermodynamics course. - Mechanical Engineering Internship on thermal performance analysis and simulations..

Bachelor Of Science - Bs, Computer Science