Hire júnior freelance Ruby on Rails developers in Brazil

I'm a results-driven software engineer who loves building scalable, high-performance applications with Ruby on Rails. At Gig Wage, I focused on API integrations, performance tuning, and internal tooling, helping to scale the platform and make processes more efficient. I enjoy tackling complex problems, refactoring legacy code, optimizing database performance, and implementing best practices for maintainability and security. My expertise includes: ✔ Ruby on Rails (RESTful APIs, Grape API, Sidekiq) ✔ Database Optimization (PostgreSQL, SQL, indexing, query performance) ✔ Background Jobs & Scalability (Sidekiq, Redis, RabbitMQ) ✔ Authentication & Security (Devise, OAuth, JWT) ✔ Frontend & UX (React, Vue.js, JavaScript, ViewComponents) ✔ Testing & QA ✔ Cloud & DevOps (Docker, AWS, CI/CD, Rollbar)

I’m a passionate Ruby on Rails developer with 4+ years of experience building and maintaining robust back-end systems, including working extensively with legacy applications. Over the years, I’ve worked with various versions of Rails, adapting to evolving best practices and technologies. While my expertise lies in back-end development, I’m also skilled in modern front-end technologies. I actively work with Vue.js, leveraging its reactivity and flexibility to create dynamic user interfaces, and I’ve integrated Hotwire to deliver fast, seamless experiences without over-relying on JavaScript. I’m always striving to improve my craft and learn new tools that make development faster, cleaner, and more enjoyable. I bring dedication, attention to detail, and a collaborative spirit to every project. I’m excited to take on new challenges and prove how I can contribute to building exceptional software.

My origins as a developer go back to my childhood days, when I programmed in Java, creating games (including the famous snake game) on large computers with Windows 95. As time went by, I followed the evolution of old programming languages as well as witnessed the emergence of new ones. I specialized in data analysis and structuring databases in SQL, including Oracle and SQL Server. I followed the emergence of neural language programming in Artificial Intelligence, at a time when ChatGPT prototypes already existed. I love coding ruby apps, specially with the adventure of rails where everything goes easy now. I have created lots of projects but my passion is to develop ruby on rails integrated to AI, Big Data and Cloud Development. I have expertise with git, docker, kubernets, terraform, ansible and other automations and all SQL and NoSQL environments. I have leadership experience as well, here in my country I have coordenated small developer teams using github, gitlab, JIRA, Linear and other tools. My language skills are English (read, write and speak), spanish and french. I can work as a freelancer as well, you give me your idea and I can help you bring it to the real world, I can also coordinate small developers teams, coordenate daily meetings and reports.

Experienced Front End Developer with 8 years of expertise in creating high-performance websites and driving client satisfaction. Proven track record of streamlining development processes and accelerating project cycles. Skilled in advanced Figma functionalities and empowering students to achieve professional goals. Proficient in HTML & CSS, Javascript, and React Js, with a focus on clean code and user experience enhancement. Adept at proactive analysis of Google statistics to identify optimization opportunities. Known for effective communication and problem-solving abilities, complemented by a degree in Publicity and Advertising. A dynamic professional ready to contribute to innovative projects and exceed expectations in a collaborative environment.

Production Engineer by degree, developer by heart. My passion for programming started when I was still in university, where I became a C-language tutor. In 2022 I decided to officially start my career as a developer, attending a Full-stack Web Dev bootcamp. One of the accomplishments I take pride in is building a compiler in Assembly for a simplified C-like language. The project got praised for its effectiveness, and learning such low level languages has deepened my focus on efficiency when I code. For the past 1.5 years I have been working on a robust RoR application as a back-end engineer, gaining experience in some key areas like: - API integration - Test-Driven Development (TDD) - Debugging - Database manipulation and query efficiency - Building and maintaining background jobs I pride myself on having meticulous and analytical thinking. I don't just enjoy solving problems; I strive to analyze all the potential consequences for application functionality and the end user experience, ensuring I come up with the best possible solutions.

Desenvolvedor Full Stack em busca da primeira vaga. Super motivado a aprender tudo o que for possível para ingressar no mercado de trabalho. Atualmente estudando Desenvolvimento Web na Le Wagon, usando Ruby on Rails , Javascript, React e outras linguagens para criar aplicações web do zero até o funcionamento total. Solucionar problemas de forma inovadora é o que me motiva a continuar estudando. Criar uma experiência única para quem está utilizando o que produzo, é o que me trás a satisfação. Sou um entusiasta e adoro novas tecnologias desde criança. Dos que "destruía" o brinquedo só pra ver como funcionava. Descobri que autodidatismo é possível, quando tenta aprender sobre o que você é apaixonado. Desde quando aprendi HTML no colégio, fui atras de CSS pra fazer diferente sozinho, até hoje em dia buscando linguagens que nunca ouvi falar, nunca me canso de procurar pelo desconhecido. Caso sinta que posso contribuir com alguma posição, sinta-se a vontade para me contactar por qualquer dos contatos abaixo.

I am a driven and experienced full-stack developer with a passion for turning ideas into tangible solutions. My journey started back in 2006 when I created my first website on GeoCities and I have been hooked ever since. While music took up most of my time from 2011 to 2020, I have now dedicated myself to web development. Over the past three years, I have had the opportunity to work with a variety of industries including real estate, e-commerce, education, manufacturing, and digital products. As a full-stack developer, I have experience in both front-end and back-end development. On the back end, I have created features such as blogs, sales report systems, data modeling, API RESTful endpoints, authorization and permission logic, and many more. On the front end, I have developed landing pages, implemented form validations and error handling, created UI components, ensured LGPD (the Brazilian GDPR) compliance logic, and integrated external APIs. I have contributed to several robust applications in production, handling thousands of daily visits, and collaborated with cross-functional teams to ensure on-time project completion. I am committed to delivering high-quality work and continuously expanding my skill set to provide the best solutions for my clients.

I pride myself on being self-motivated and committed to delivering exceptional work. My passion lies in making a positive impact on people's lives through the software I develop. In my last 3 years, I have gained valuable experience in developing and implementing financial systems that significantly impact small and economically disadvantaged countries. One such notable experience involves designing and integrating a financial system between nations in Asia to streamline and expedite bank transactions. This project presented unique challenges, as it required a deep understanding of the financial landscape and regulatory of countries. I am used to working closely with stakeholders and experts from the banking sector, I collaborated to develop a robust and secure platform that facilitated seamless transactions and improved overall efficiency. The success of this project not only transformed the way banking was conducted within these nations but also improved their economic and social values. We provide a fast and easy-to-use financial system, for both usage individuals and businesses. Nowadays I am learning Go and Rust to improve my DevOps capabilities.

🚀 Unveiling My Developer Journey 🚀 Greetings! I'm Bruno Leite, a seasoned Full Stack Developer with a passion for crafting elegant and efficient web solutions. My journey into the world of development started with a fascination for technology and a curiosity to explore its limitless possibilities. 🏆 Milestones That Define Me One recent milestone I'm particularly proud of is my role in optimizing the performance of a complex web application, reducing page load times from 8 seconds to a mere half-second. This accomplishment demonstrated my expertise in identifying and solving intricate problems, a testament to my commitment to delivering top-notch user experiences. 📚 Eternal Student of Tech I'm a firm believer in lifelong learning. In addition to my extensive experience, I've recently delved into the world of microservices and domain-driven design, aiming to build even more scalable and maintainable systems. The excitement of exploring new technologies keeps me driven and passionate about my work. 💡 Passion Beyond Code While I thrive in the technical realm, my true passion lies in the intersection of technology and human experience. I'm deeply committed to creating web applications that not only function flawlessly but also resonate with users on a personal level. My focus on user-centric design sets me apart in crafting solutions that go beyond the ordinary. 💪 Unique Skills That Define Me What sets me apart is my ability to dissect complex requirements into manageable components, making development more efficient. I'm well-versed in SOLID principles, DDD, and TDD, ensuring that quality is at the core of every project I tackle. 🌟 Ready to Elevate Your Web Experience I'm here to take your projects to new heights. Whether it's optimizing performance, designing intuitive user interfaces, or architecting robust backend systems, I'm equipped with the skills and dedication to turn your vision into reality. Let's create something exceptional together!

Fullstack developer and teacher at Le Wagon Rio. In my heart I also have a special place for mixing (music && drinks) Personal project at the moment: https://theboywholivedapi.herokuapp.com/