A Full Stack Developer with foundational knowledge acquired through various online courses, including advanced programs. Specializing in both front-end and back-end technologies, demonstrates a robust commitment to comprehensive web development skills.

A seasoned Back-end Developer with over eight years of experience in the technology sector, demonstrating proficiency in programming languages such as Java, JavaScript, PL/SQL, and XQuery. Possesses a solid background working across diverse business segments including finance and telecommunications. Expertise includes developing and managing REST and SOAP microservices APIs, as well as implementing continuous integration for mission-critical systems.

With three years of experience in Java development and the iDempiere framework, this individual has a demonstrated history of successful application development. Proficiency spans the use of Eclipse for coding and Bitbucket for version control. The candidate excels in system integration through Web Services, including both JSON and XML formats, and has substantial expertise in developing and consuming REST APIs. Familiar with agile methodologies, they facilitate effective teamwork within multidisciplinary groups. Additionally, they possess knowledge of Spring Boot, further highlighting their versatility in software development. Their professional background includes practical experience with REINF, MDFE, NFSE, and CTE, providing a comprehensive understanding of the specific challenges and requirements these products entail.

Specialized in full-stack web and mobile development since 2017, contributing to the integration of online payment systems for approximately 5 million users across 5000 stores and restaurants. Committed to continuous improvement, with a focus on positively impacting product team dynamics and enhancing end-user experiences. Proficient in Javascript, Typescript, PHP, Dart, Flutter, Object-Oriented Programming, functional programming, and SQL.

An accomplished back-end developer and technical leader with over three decades of experience, certified in CPA-20 by ANBIMA, demonstrating extensive knowledge in investment products including stocks, derivatives, fixed income, and cryptocurrencies. Distinguished for an adeptness at advocating for organizational interests, resolving intricate challenges, and leading product initiatives with a staunch emphasis on results and customer satisfaction.

Proficient in rapidly comprehending intricate business rules and new technologies, fostering team growth by disseminating knowledge effectively. Demonstrates unwavering dedication to meeting deadlines and project scopes, consistently designing creative and scalable solutions.

Serves as a strategic intermediary between internal and external stakeholders, adept at identifying needs and providing solutions that align with organizational objectives. Expertise encompasses budget management (CAPEX & OPEX), risk management, conflict resolution, and executive reporting.

Exhibits comprehensive knowledge in various programming languages such as Python, Node.js, JavaScript, JSON, TypeScript, PHP, PL/SQL, and Shell Script. Proficiency extends to prominent frameworks including Electron, Flask, GraphQL, NestJS, ExpressJS, and Laravel, along with experience in both relational and non-relational databases such as PostgreSQL, MongoDB, MariaDB, SQL Server, and sqlite3. Employs agile methodologies including TDD, BDD, SCRUM, and Kanban to optimize workflow.

Highly skilled in integrating systems through a multitude of APIs, REST, Webservices, and microservices, consistently adopting best practices in defining and implementing tests, conducting code reviews, and managing version control, always with a priority on maintaining clean, secure, and high-quality code. Possesses a broad understanding of various sectors including insurance, programmatic media, outsourcing, and financial markets, swiftly adapting to new domains and staying abreast of emerging technologies, including AI and Generative AI. Familiar with containerization using Docker and Vagrant, front-end development with Angular, React, and JQuery, and cloud platforms such as AWS and GCP.

Available for onsite, hybrid, or remote work in São Paulo, offering versatility in employment modalities including CLT, temporary, or PJ. Preparing for CEA certification to further enhance contributions either in system development or exploring new professional challenges within the financial market.

Software Developer with six years of experience, including three years in remote roles. Began career as a FullStack Developer before specializing in Frontend Development. Portfolio available on GitHub at https://github.com/Jonathan-Rios.

A graduate of Digital Game Technology from Centro Universitário Facens, this individual possesses extensive experience in multiple programming languages and app development projects. Presently serving as a Full Stack Developer within a banking credit system, the specialization primarily lies in backend development, encompassing routes, models, database migrations, and API integration. Moreover, there is substantial experience in frontend development using React and React Native. Demonstrating effective communication skills in English, the individual is adept at collaborating seamlessly with international teams.

With over 17 years of experience in IT and a strong focus on full project development up to MVP delivery, this professional is highly proficient in software development. Holding a degree in Internet Systems from FIAP College, the individual has also achieved certifications from institutions such as Alura + FIAP and Impacta. Expertise spans a wide array of technologies including React, Angular, HTML5, CSS3, JavaScript, API RESTful, MySQL, SQL Server, Oracle, PostgreSQL, NodeJS, Java, PHP, WordPress, VB.NET, ASP.NET, C#, Scrum, Kanban, Git, GitHub, TFS, Bitbucket, microservices, social media integration, and digital marketing. Additionally, cloud computing and DevOps CI/CD skills are validated by experience with Azure, Jenkins, AWS, Heroku, and Vercel, alongside testing frameworks such as Jasmine, Jest, Enzyme, Cypress, Storybook, Checkmarx, and SonarQube. The background in both front-end and back-end development, paired with proficiency in API integration and commitment to W3C web standards, ensures optimal browser compatibility and high-quality deliverables. Agile methodologies like Scrum and Kanban are employed to enhance project efficiency and quality. Constantly seeking new challenges and eager to learn emerging technologies, this developer is committed to delivering solutions tailored to client needs and is prepared to contribute significantly to project success.

Postmark is an email delivery service designed for transactional emails, ensuring fast and reliable delivery. It provides tools for tracking email performance, managing templates, and ensuring high deliverability rates.

A Postmark expert must have skills in API integration, email authentication (SPF, DKIM), and understanding of SMTP protocols. Proficiency in programming languages like Python, Ruby, or PHP is essential for implementing Postmark services. Familiarity with email deliverability best practices and analytics is also important.

How to hire a Postmark expert

Postmark was created in 2009 by Wildbit to address the need for reliable transactional email delivery. It aimed to provide developers with a service that ensured fast and accurate email delivery, focusing on high deliverability and detailed tracking features.

About Postmark

Strengths of Postmark included high deliverability, fast email sending, and detailed analytics. Weaknesses involved limited marketing email capabilities and higher costs compared to some competitors. Competitors included SendGrid, Mailgun, and Amazon SES.

Postmark

Top 5*

Email Marketing

About Postmark

How to hire a Postmark expert

The Best of the Best Optimized for Your Budget