Back-end Developer with over a decade of experience in web development and infrastructure, specializing in managing high-traffic applications with daily visits reaching up to 5 million. Possesses strong proficiency in functional programming, object-oriented programming (OOP), and languages including PHP, Java, and JavaScript. Focus areas include application scalability, infrastructure development, adherence to best development practices, Test Driven Development (TDD), and Behavior Driven Development (BDD).

A frontend developer with three years of experience, recognized for involvement in significant projects, demonstrating proficiency in collaborating with remote teams and managing outsourced tasks. Routinely engaged in high-demand product development, leveraging state-of-the-art technologies and adhering to best development practices. Specializes in web development utilizing React and its associated technologies, complemented by additional expertise in Flask, Node, and GraphQL.

Site Reliability Engineer/DevOps Engineer with specialized expertise in Linux, Docker, Jenkins, Kubernetes, Zabbix, Grafana, Prometheus, Terraform, AWS, GCP, Dynatrace, Elasticsearch, and BitBucket. Proficient in frontend technologies including HTML, CSS, Javascript, React.js, Vue.js, and Typescript, along with backend development using NodeJs, NestJs, GraphQL, Sequelize, MySQL, Postgres, and Git. Demonstrates comprehensive knowledge in Amazon Web Services (AWS), Tsuru, and unit testing, as well as developing APIs with Jest. Committed to effective team collaboration, emphasizing the importance of focusing on the entire development process to ensure the delivery of high-quality products. Dedicated to continuous learning to remain current with emerging technologies.

Front-End Developer with 2.5 years of professional experience, currently focused on expanding knowledge in emerging technologies such as Angular and Vue. Seeks new challenges and opportunities for growth within a large organization.

A seasoned back-end and front-end developer with a decade of experience in web development, holding a Bachelor's degree in Information Systems, a Postgraduate degree in IT with a focus on IBM Mainframe, and an MBA in IT Governance. Proficiencies encompass Java (versions 8 and 11), PHP (versions 5 and 7), and Python 3, alongside frameworks such as Hibernate, Spring, and Zend Framework for backend development. Front-end expertise includes Angular 6, HTML, CSS, Bootstrap 4, jQuery, JavaScript, and Highcharts. Skilled in database management systems like PostgreSQL, MySQL, and Oracle, with knowledge of Agile methodologies including Scrum and ITIL frameworks. Additionally, possesses cloud computing capabilities, particularly with AWS.

Back-end Developer based in Manaus, Amazonas, with specialization in .NET and Node.js. Holds a current role overseeing the comprehensive car rental process within the Yard Team. Professional expertise is complemented by experience developing a Node.js application for the integration of a Unity-based game.

Front-End Developer with advanced proficiency in key development technologies, demonstrating a robust career of 44 years marked by significant contributions through innovation and efficiency. Specializes in dynamic web application development, leveraging JavaScript, TypeScript, and ReactJS, including functional components, to achieve high performance and adherence to best practices. Expert in using Next.js for server-side rendering to enhance SEO and loading speeds, along with adeptness in state management through Context API and Redux Toolkit.

Proficient in design and CSS, utilizing Tailwind CSS to create customized, responsive interfaces efficiently with its utility-first approach. Employs SASS/SCSS for more organized and efficient CSS coding, incorporating variables, mixins, and nesting. Develops styled components within React to improve code modularity and maintainability. Skilled in planning and designing user experiences in Figma, applying UX design principles to ensure both functionality and aesthetic appeal.

Possesses expertise in DevOps practices including the deployment of scalable, high-availability infrastructure with AWS services such as EC2, S3, RDS, and Lambda. Experienced in configuring and managing CI/CD pipelines using GitHub Actions and AWS CodePipeline to support agile development and continuous delivery. Familiarity with Docker and Kubernetes enhances consistency from development to production environments.

Delphi Developer with expertise in commercial automation projects for small and medium-sized businesses, particularly focusing on the migration of NF-e from version 3 to version 4. In addition to this, has undertaken a freelance project in Palmeira das Missões, Rio Grande do Sul, which encompassed the implementation of systems for both a gym and a medical clinic. These projects were developed using Borland Delphi 7.0 and Firebird database versions 2.5 and 3.0.

Signal is a secure messaging app that provides end-to-end encryption for text messages, voice calls, video calls, and file transfers. It ensures that communications are private and can only be read by the intended recipients.

A Signal expert must have proficiency in cryptography, experience with end-to-end encryption protocols, strong programming skills in languages like Java and JavaScript, familiarity with secure communication frameworks, and expertise in mobile app development for both Android and iOS platforms.

How to hire a Signal expert

Signal was created in 2014 by Moxie Marlinspike and Brian Acton. It was developed to provide a secure and private messaging platform using end-to-end encryption, ensuring that only the intended recipients could access the communications.

About Signal

Strengths of Signal include robust end-to-end encryption, open-source code, and a strong focus on user privacy. Weaknesses include limited features compared to some competitors and reliance on phone numbers for registration. Competitors include WhatsApp, Telegram, and iMessage.

Signal

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About Signal

How to hire a Signal expert

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