Silent Circle is a secure communications company that provides encrypted voice, video, messaging, and file transfer services to protect user privacy. It offers products like Silent Phone and Silent World to ensure secure communication across different platforms.
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About Silent Circle
Silent Circle was created in 2012 to address the growing need for secure and private communications. It aimed to provide encrypted services for voice, video, messaging, and file transfers to protect user privacy against surveillance and data breaches.
Strengths: Strong encryption, user privacy focus, secure communication services. Weaknesses: Higher cost, limited user base, potential usability issues. Competitors: Signal, WhatsApp (for encrypted messaging), Wickr, Telegram.
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How to hire a Silent Circle expert
A Silent Circle expert must have skills in cryptography, network security, secure communications protocol implementation, mobile application development, and familiarity with encryption standards such as AES and RSA. Proficiency in programming languages like C++, Java, and Python is also essential.

Valmir D.
Skills
A seasoned Systems Analyst holds a postgraduate degree in Strategic Project Management and is currently advancing studies in Distributed Software Architecture, bringing over twenty years of expertise in software development. Known for a responsible approach, strong communication capabilities, dynamism, proactivity, and an affinity for self-directed learning. Exhibits a collaborative spirit and leadership qualities characterized by extensive experience across various industries, business sectors, and technological environments. Maintains a commitment to strong ethical values.

Emerson G.
Skills
A technology enthusiast with expertise in web and mobile software development demonstrates a commitment to continuous learning and staying informed about industry trends. This dedication fosters ongoing growth and the acquisition of new market experiences. Core competencies include JavaScript, HTML, CSS, ReactJS, NextJS, React Native, Jquery, Typescript, React Hooks, Redux/Sagas, Styled Components, SASS, LESS, Bootstrap, SCRUM, and Git. Exhibits the capacity and willingness to diligently undertake and excel in assigned roles.

Bruno D.
Skills
Holding a degree in Control and Automation Engineering (2016, Anhanguera University) and set to obtain a degree in Computer Science (2023, Estácio de Sá University), the professional has also completed several Front-end development courses. The initial career phase focused on e-commerce platforms, utilizing Magento and PHP. Later, the role of Implementation Consultant involved the use of ADVPL and MySql/SQL within the ERP environment. Currently, process automation is the primary focus, utilizing JAVA, Javascript, React, Oracle, MySQL, and SQL for executing various projects.

Ricardo L.
Skills
Senior Developer and Tech Lead with a specialization in front-end development using Angular 2+ and Java Spring, and a focus on projects within the banking sector, specifically implementing Open Finance PIX payment systems and payment management. Proficient in managing projects from conception to deployment, encompassing coding, code review, planning, and technical refinement. Adept at supporting teams and identifying cost-effective technical solutions to achieve project goals. Back-end development experience includes Java Spring for implementation and fixes, with a solid understanding of back-end processes to work synergistically with teams in devising optimal solutions.
Expertise includes Angular 2+, AngularJS, Flutter, Typescript, HTML, CSS, SCSS, Javascript, and Micro Front-End development. Proficient in RXJS techniques such as lazy loading and eager loading, as well as the use of directives, pipes, smart/dumb components, interceptors, resolvers, and route guards. Skilled in package management with NPM and unit testing with Jasmine and Jest. Experienced with various technologies such as Jira, Bamboo, Bitbucket, Azure, Fortify, Sonarqube, Advisor, and CI/CD pipelines using Kubernetes. Knowledgeable in responsive design, accessibility practices, Git, REST APIs, Kafka, and Azure Service Bus, alongside familiarity with cloud computing environments.
Possesses strong soft skills, including remote work proficiency, agility in adopting methodologies, collaborative efforts across multidisciplinary teams, and an adaptable nature ensuring seamless integration into various working environments.

Rafael P.
Skills
Full Stack Developer with two years of experience specializing in web development for banking solutions. Expertise in creating, maintaining, and optimizing complex web applications tailored for the financial sector. Proven ability to deliver projects efficiently while ensuring robust security measures and compliance with industry standards.

Romullo C.
Skills
Holds a Bachelor's degree in Information Systems and maintains a strong interest in game development, particularly with Unity and C# for 2D game projects. A proficient Full Stack Developer, experienced with React, Node, and Express technologies, and consistently invests free time in mastering new programming languages, technologies, and frameworks to expand expertise in development. Currently focusing on Typescript, involving practical applications with Node, Express JS, React Native, and React for the creation of RESTful Web Services, websites, web applications, and other software solutions. Demonstrates exceptional interpersonal and communication skills.

Luís A.
Skills
Full Stack Developer specializing in Front End development with over four years of experience. Expertise lies in the creation of web applications and VBA for Excel, with a strong conviction that dedication and effort can overcome any challenge.

Jorge L.
Skills
Software Engineer with over a decade of experience in the development of systems, websites, and mobile applications. Contributions span significant regional projects, including initiatives for municipal governance, large-scale music festivals, and major communication enterprises. Proficient in core web development technologies such as JavaScript, HTML, and CSS, with extensive experience as a FullStack developer employing PHP and MySQL/MariaDB in conjunction with Laravel and WordPress frameworks.
In recent years, there has been a notable shift towards front-end development, leveraging modern frameworks like ReactJS, NextJS, Angular, VueJS, and NuxtJS, while also developing Backend-for-Frontends (BFF) using NestJS, Apollo, and GraphQL. Dedication to staying informed about industry advancements and trends drives a commitment to continuous improvement and learning from industry leaders. This approach ensures the development of cohesive, scalable, and maintainable systems that are accessible for future development teams.
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