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Humberto is a Software Engineer with over 7 years of experience, primarily focusing on backend development using Ruby and Ruby on Rails.
Humberto is a Software Engineer with over 7 years of experience, primarily focusing on backend development using Ruby and Ruby on Rails (7+ years). He also has experience with Python, Django, Node, and Go. For frontend development, he has over 3 years of experience working with pure JavaScript (Vanilla), also 3 years with HTML/CSS, and also experience with React.js and TypeScript. He has experience working in startups for over 6 years. He has been involved mainly in SAAS, PAAS; In sectors such Fintech, ecommerce, B2B business, etc. Besides that, he has experience with WebScrapping, using Selenium. Humberto's professional background mainly revolves around serving US-based companies, particularly in the Fintech sector. His responsibilities include designing and implementing new components, maintaining existing applications, debugging, and occasionally revamping architectures. He actively contributes to legacy migrations towards more modern systems and engages in code refactoring initiatives. In his most recent project, Humbero helped in migrating from a Rails gem in frontend to React js, as well as adding new components in the backend to make the application more robust and scalable. In his recent project, Humberto played a crucial role in migrating from a Rails gem in the frontend to React.js. He also introduced new backend components to enhance application robustness and scalability. Throughout this project, he gained exposure to Hotwire and Stimulus technologies. In terms of databases, he has experience with different ones, including PostgreSQL (7 years). About Clouds, he has experience working with AWS. Apart from his technical prowess, Humberto possesses a positive attitude and is open to new challenges. He has many years of experience working with international teams, and also in Agile environments.
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Check if Humberto is availableExpertise
Years of commercial development experience
7 years of experience
Core technologies
Project Highlights
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As a Senior Full Stack Engineer, he has been evolving the company's software systems and optimizing operational efficiency. His expertise extends to developing specialized reporting modules, providing tailored data insights, and creating a flexible compliance supervisor user module adaptable to diverse organizational structures. This approach underscores his commitment to propelling innovation and delivering tailored solutions that seamlessly align with organizational needs.
Responsibilities & achievements
Transformational Project Leadership: He led a seamless migration from legacy code to a modern platform, integrating React, Ruby on Rails, and GraphQL to enhance functionality and user experience for Operations. Expertise in Reports Module and Automation Development: He developed specialized reporting modules, showcasing proficiency in crafting tailored solutions for enhanced data insights. He also devised solutions for bulk data import of thousands of records, eliminating manual procedures and minimizing errors. Customized Compliance Supervisor User Module: He created a versatile compliance and supervisor user module, adeptly adapting to various organizational needs and enabling custom roles with React, Ruby on Rails, and PostgreSQL. Streamlined Process Enhancement: He spearheaded the development of Ruby on Rails and React modules for the Operations app, optimizing daily processes and elevating productivity. Knowledge Sharing and Quality Assurance: He demonstrated a commitment to comprehensive technical documentation, reflecting new features, bug fixes, and more. He also showcased dedication to code quality through active refactoring, enhancing codebase maintainability and scalability. Transformational Project Leadership with CI/CD Expertise: He worked with tools to enhance Operations' functionality and user experience. Leveraging CI/CD methodologies, he ensured streamlined deployment and continuous integration (Git, GitHub, Jenkins, Argo, Docker, etc.) for optimal performance. Seamless Collaboration and Interface Optimization: He collaborated with engineers to optimize software and hardware interfaces, ensuring smooth system interactions. Enhanced User Experience and Data Accuracy: He engineered user-friendly web forms with robust validations and error handling, leveraging React for superior user experience and data integrity. Code Review, Testing, and Quality Assurance: He actively participated in code review, debugging, and correction, maintaining application integrity and reliability. Additionally, he developed and executed comprehensive unit test cases (Rspec, Cypress, Jest), contributing to software quality and automation.
Arcus (by Mastercard)
At Arcus, a Mastercard company, he played a pivotal role in architecting and implementing high-impact API-driven back-end features. He contributed to a system handling millions of daily transactions, ensuring optimal performance. The company raised a remarkable $20M in funding from esteemed investors including Y Combinator and Citi Ventures, a testament to their innovative vision. This culminated in Mastercard's acquisition of Arcus in 2021, reshaping the Latin American financial landscape.
Responsibilities & achievements
Real Payments Apps: He played a key role in Arcus' journey, contributing to API-centric back-end features in Bill Payment handling millions of daily transactions. In addition, he strategically implemented real-time money transfers via Mexico's Banxico infrastructure, enabling instant financial interactions. He also innovated by enhancing user accessibility through solutions for money transfers, withdrawals via points of sale, and intuitive interfaces made with RoR, Node.js, AWS, PostgreSQL, DynamoDB, and Kafka. Quality Assurance and Collaboration: He ensured high-quality software by crafting meticulous unit tests and conducting rigorous system testing (Rspec). Moreover, he collaborated seamlessly with cross-functional teams, incorporating third-party tools and modernizing outdated code. Knowledge Sharing and Continuous Improvement: He demonstrated a commitment to knowledge sharing through comprehensive technical documentation. He also actively participated in code reviews, fostering a culture of continuous improvement and elevating code quality. Client-Centric Solutions: He engaged closely with clients to translate business needs into actionable technical strategies.
Kikoya
He played a pivotal role in a digital platform transformation, revolutionizing financial institutions into Fintech leaders through the strategic use of cutting-edge technologies including Ruby on Rails, JavaScript, and React. His contributions extended beyond coding, as he collaborated with engineering teams to conceptualize, design, and implement innovative solutions that enhanced the overall product experience.
Responsibilities & achievements
AWS Integration: He orchestrated AWS integration using S3, API Gateway, RDS, and Lambdas, enhancing system performance and scalability for optimal functionality. Engaging User Experience: He designed captivating landing pages with an interactive credit simulator, simplifying complex financial concepts and boosting user engagement. Create New Modules: He designed, tested, and integrated new modules to expand platform functionality: Enabled streamlined credit bureau consultations, enhancing decision-making with an artificial intelligence engine. Pioneered the creation of an Automotive Marketplace API, broadening reach and services. Implemented universal credit approval, simplifying financial access. Spearheaded an online document validator, reducing errors. Engineered fraud prevention measures for secure online client interactions. Introduced geolocation features to avoid fraudulent activities.
Education
Higher education in Computer Science
Agency
400+
GMT-5
Sao Paulo/Brazil
Core Expertise
Industries
Information services & Technologies
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Check if Humberto is available