Hire the Top 2% of
Remote Operating Systems Developers
in Brazil

Robson M.

Vetted Operating Systems developer in Brazil (UTC-3)

I am an experienced software engineer with over 10 years of expertise working with Python. I am currently in charge of managing the IT systems for the virtual library of a major Funding Agency for Research in Science and Technology of the State of São Paulo, Brazil. My day-to-day work involves utilizing a wide range of tools and technologies, including Linux, Django, Solr, MySQL, jQuery, d3js, Ansible, Elasticsearch, GitHub, Gitlab, Jenkins, Jupyter Notebook, Leaflet, Nginx, OpenStreetMap, React JS, ETL, SQL and NoSQL, DevOps, and JavaScript. Throughout my career, I have been involved in various projects for different industries, including a Fintech in the early days of the internet, a logistics startup, and world-class stock exchanges. I have also worked on international projects and have collaborated with stakeholders at all levels, including junior, senior, tech, product, and business roles. One of my greatest strengths is my ability to work well with others and form positive relationships with stakeholders across all levels of an organization. I am also a highly analytical thinker, able to approach complex problems with a strategic and creative mindset. In addition, I have a track record of making significant contributions to the organizations I have worked with. For example, I have implemented new systems and technologies that have improved efficiency and productivity, and I have provided valuable insights that have helped guide business strategy. Overall, I am a results-driven, proactive, and dedicated professional who is passionate about using technology to solve complex problems and drive business success. **Shortcuts & highlights** ========================== Shortcuts for some of my recent jobs, code, and blog posts. Python / Django - Core Developer * [https://bv.fapesp.br](https://bv.fapesp.br/) * [https://wildepod.org](https://wildepod.org/) * [https://cargobr.com](https://cargobr.com/) Dashboard HTML CSS Javascript Bootstrap D3JS MySQL Apache Solr NoSQL ReactJS ElasticSearch NoSQL AngularJS AWS GCP PostgresSQL Docker REST * [https://wildepod.org/explore/workflow-state/](https://wildepod.org/explore/workflow-state/) * [https://bv.fapesp.br/en/metapesquisa/](https://bv.fapesp.br/en/metapesquisa/) * [https://robson-koji.github.io/reactjs-d3js/](https://robson-koji.github.io/reactjs-d3js/) * [https://github.com/robson-koji/reactjs-d3js](https://github.com/robson-koji/reactjs-d3js) * [https://bv.fapesp.br/en/publicacoes-cientificas/](https://bv.fapesp.br/en/publicacoes-cientificas/) * [https://github.com/robson-koji/custom-search-ui](https://github.com/robson-koji/custom-search-ui) * [https://gist.github.com/robson-koji/d67fe4974387db03bd613c8b3ef4ef76](https://gist.github.com/robson-koji/d67fe4974387db03bd613c8b3ef4ef76) * [https://gist.github.com/robson-koji/faf6e00458b4e58a6cfafabd5737e978](https://gist.github.com/robson-koji/faf6e00458b4e58a6cfafabd5737e978) Machine Learning Data Science Python Dedupe Scikit Learn Jupyter Notebook BigQuery Pandas Numpy Matplotlib SQL PL/pgSQL ETL * [https://github.com/robson-koji/citations-dedupe](https://github.com/robson-koji/citations-dedupe) * [https://github.com/robson-koji/jupyter-notebooks/blob/main/linear\_regression.ipynb](https://github.com/robson-koji/jupyter-notebooks/blob/main/linear_regression.ipynb) * [https://github.com/robson-koji/jupyter-notebooks/blob/main/moving\_linear\_regression.ipynb](https://github.com/robson-koji/jupyter-notebooks/blob/main/moving_linear_regression.ipynb) * [https://www.kaggle.com/code/robsonkoji/bitcoin-transactions-type-nb](https://www.kaggle.com/code/robsonkoji/bitcoin-transactions-type-nb) * [https://gist.github.com/robson-koji/abb5b79277a896763147a6909f78ce6f](https://gist.github.com/robson-koji/abb5b79277a896763147a6909f78ce6f)

Ruben T.

Operating Systems developer in Brazil (UTC-3)

IT ARCHITECT / SOFTWARE ENGINEER / FULL STACK DEVELOPER Throughout my career as a System Analyst I have embraced a diverse range of roles in the IT field. Mainly focused on development and research of new technologies I have achieved experience in many languages and tools helping to develop solutions to different kinds of businesses. I mainly worked as a consultant able to develop an integrate heterogeneous solutions from C to Java, following the best practices in analysis and programming. Specialties: Architectural Design, Framework Development, System Integration, Software Development, Legacy Port and Migration, Research & Development, Componentization, Sizing

Dario T.

Vetted Operating Systems developer in Brazil (UTC-3)

Currently I work as an Embedded Software Engineer at Whirlpool Corporation, where I develop firmware for HMIs and Control Units of Home Appliances. I have a background of Software Testing and Validation for Embedded Systems.I also have knowledge at developing mobile apps for Android that are able to communicate via wireless connection with a wide range of electronic modules. I have a master's degree at electronics engineering with emphasis in electronic systems at Londrina State University, with a project involving mobile robotics and renewable energies. I am result driven, a quick learner, and up for new challenges.

Juliano P.

Vetted Operating Systems developer in Brazil (UTC-3)

Software Engineer with 9 years of experience and background in Economics and Business. Worked with Volkswagen in China and Amazon in Paris. Have been working as a freelancer/contractor for 5 years in NodeJS, Go, Rust, web interfaces (React, Vue), cloud services (AWS, GCP, Azure), third-party API integrations, database design and mobile apps. Juliano also has experience conducting interviews and mentoring developers (Amazon and freelance projects).

Caio S.

Vetted Operating Systems developer in Brazil (UTC-3)

As a data engineer I'm driven by solving problems with the most clean and efficient solution, I am passionate about working with data in many different levels. With experience from collecting data all the way to creating dashboards and drawing insights I can reliably take in consideration the wider scope of any process do design and implement data driven solutions.

Erick E.

Vetted Operating Systems developer in Brazil (UTC-3)

Erick is an experienced Full Stack Engineer with over 20 years of expertise in system and application development, DevOps, tech infrastructure, project planning, and management. He has contributed to projects across diverse industries, such as IT, oil and gas, real estate, energy, eCommerce, games, and financial services. Erick specializes in Node.JS, React, TypeScript, PHP, Laravel, Jenkins, and Docker, and he integrates Playwright, Jest, Cypress, and PHP Unit testing frameworks into his extensive skill set. He excels in architecting robust and scalable software solutions using GCP Cloud Provider. Additionally, he is proficient in MySQL, PostgreSQL, MongoDB, Power BI, API development, security, cloud computing, and Agile methodologies, showcasing his adaptability and versatility. He has an Engineering degree with MBAs in project management and software quality, as well as ITIL and COBIT certifications — he is an enthusiast of product development, creating projects from scratch for final clients. With excellent interpersonal abilities, communication skills, project management, and leadership qualities, he is a strong collaborator with a proven ability to drive results and enhance team dynamics.

Antonio F.

Vetted Operating Systems developer in Brazil (UTC-3)

I am Antonio Fulgêncio, a Software Engineer specializing in Front-end Development with over 6 years of experience, including more than 1 year delivering high-quality solutions for American companies. I have successfully contributed to large-scale projects, including developing and maintaining front-end systems for one of the largest e-commerce groups in the USA. My work primarily involves leveraging React, Next.js, TypeScript, Tailwind CSS, and Jest to optimize performance and scalability. -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Throughout my career, I have implemented innovative solutions such as smart city dashboards and payment protocol testing tools, ensuring adherence to clean code practices and SOLID principles for maintainability and security. I excel in building reusable components, enhancing workflows, and meeting tight deadlines, all while prioritizing user experience and long-term scalability. ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Passionate about innovation and continuous improvement, I am dedicated to contributing to transformative projects by leveraging modern technologies. I also value team collaboration and strive to deliver refined, impactful products. ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Jonatas N.

Vetted Operating Systems developer in Brazil (UTC-3)

Developer since 2013, I worked in advertising agencies and in companies of financial segment. I am a mobile developer with solid problem solving skills, with experience in web development and architecture.

Arthur S.

Vetted Operating Systems developer in Brazil (UTC-3)

I'm a full-stack developer with experience in machine learning. The projects I've had the pleasure of contributing to have allowed me to gain a lot of experience with the following stacks: \- Front-end : ReactJS, AngularJS, Javascript, CSS3, Sass , HTML, Bootstrap, Ant-design, MaterialUI, Eslint, Prettier, Typescript. \- Back-end: C# (.Net Framework and .Net Core) , Node.JS (NestJS, TypeORM, Typescript), - Relational Databases : SQL SERVER, PostgreSQL, MySQL. - Non-Relational: MongoDB. - SRP Protocol, JWT, Firebase, Keycloak. \- Mobile Development: React-Native. - Python: flask APIs, machine learning models, scripts. - AWS and Azure Clouds. - TDD (Jest, Cypress, Vitest). - SOLID. - GIT.

Eduardo K.

Vetted Operating Systems developer in Brazil (UTC-3)

I am a specialist software developer with 8 years of experience in crafting efficient and scalable software solutions across diverse programming languages and frameworks such as React Native, React, JavaScript, and TypeScript. My portfolio includes impactful roles in various industries, notably at AB InBev, the world's largest brewery, where I spearheaded the development of a delivery app processing over 5 million orders monthly. This involved overseeing the entire delivery process, implementing real-time tracking, a chat system, and fraud prevention measures. Complementing my technical skills, I value teamwork and collective growth, as evidenced by my initiative to streamline the technical refinement process within teams, boosting efficiency. My adaptability stands out in projects like the creation of a Design System, which, despite initial obstacles, improved feature delivery speed by 50%. A lucid communicator and proactive planner, I am currently leading an initiative to transition an application to a server-driven architecture, emphasizing back-end logic to optimize front-end performance. Always eager for challenges, I aim to leverage my expertise in high-impact projects, ensuring they are safe, performant, and meticulously tested.