Énio Carlos Email & Phone Number

Porto, Pt

California, United States

Luanda Province, Angola

- Developed and maintained web and mobile applications using ASP.NET MVC, .NET MAUI, and Xamarin, enhancing functionality and user experience across platforms.- Managed databases and performed maintenance using PostgreSQL, OracleDB, and MongoDB, including writing complex maintenance scripts with PL/SQL to optimize database performance and integrity.- Designed and implemented continuous integration/continuous deployment (CI/CD) pipelines using Docker, Azure DevOps, and RabbitMQ, streamlining development processes and reducing deployment times.- Contributed to the development and maintenance of secure APIs using C# and ASP.NET Core, integrating systems and enabling efficient data exchanges.- Participated in the entire software development lifecycle, from initial brainstorming sessions with clients to define requirements through to the deployment and maintenance stages.- Implemented robust authentication and authorization services using Keycloak and OpenID, ensuring secure access control and data protection.- Engaged in writing comprehensive software documentation, providing clear guidelines and support for future maintenance and scalability.- Utilized Entity Framework for ORM, enhancing data handling capabilities and reducing the complexity of codebase for large-scale applications.- Optimized application performance and scalability using caching and message queuing technologies such as Redis Pub/Sub, improving responsiveness and load handling.- Conducted integration testing, ensuring that all components worked seamlessly together and met initial project specifications and business goals.

Luanda Province, Angola

Project Overview: Angola Comunica 2022Angola Comunica is a prestigious national event designed to honor professionals across the communication sector. The event aims to recognize and celebrate the pivotal contributions of individuals and institutions that directly or indirectly impact the communication landscape in Angola.I was contracted to develop a robust online voting platform.Key Responsibilities and Technologies Used:- Architected and implemented the platform using Next.js for the frontend to leverage server-side rendering capabilities, enhancing SEO and overall user performance.- Developed a secure backend using Node.js and Express.js, which provided a strong foundation for building scalable and maintainable server-side applications.- Integrated GraphQL with Apollo Server for efficient data handling and to simplify the API structure, improving interactions between the frontend and backend.- Implemented JWT for authentication to secure user sessions and protect against unauthorized access, ensuring that each vote cast was verified and confidential.- Utilized RabbitMQ for message queuing to manage high volumes of votes efficiently, ensuring that the system could handle peak loads without degradation of performance.- Deployed Redis for its Pub/Sub messaging capabilities and caching to minimize response times and handle real-time data processing during high-traffic periods.- Configured a robust load balancing solution to distribute incoming traffic and processing loads evenly across servers, ensuring high availability and fault tolerance.- Developed comprehensive automated tests using Jest and React Testing Library to validate both frontend and backend components, maintaining high standards of quality and functionality.- Implemented continuous integration and deployment pipelines using GitHub Actions, which facilitated regular updates and seamless deployments to production environments.

Luanda, Angola

- Developed the user interface for a travel platform (similar to Airbnb) using Next.js, leveraging its server-side rendering capabilities to enhance SEO and improve the initial load times for a superior user experience.- Utilized TypeScript to ensure robust type-checking and improve code quality and maintainability, reducing bugs and streamlining the development process.- Integrated interactive maps and location services using Google Maps API to allow users to explore accommodations by location visually, enhancing the functionality of the platform.- Implemented a responsive and mobile-first design using Tailwind CSS to ensure that the platform is accessible and offers a seamless experience across all devices and screen sizes.- Employed state management using Redux with Redux Toolkit, optimizing data flow and state handling across the platform to manage complex user interactions and data requirements efficiently.- Configured Apollo Client with GraphQL to interact with the backend services, enabling a more structured and efficient way to manage data transactions and state synchronization.- Enhanced user authentication and security by implementing OAuth and JWTs for secure user sessions, protecting personal and transactional data throughout the platform.- Implemented internationalization and localization with Next-i18next to cater to a global audience, providing multi-language support to enhance user engagement and accessibility.- Utilized modern development tools and practices such as ESLint and Prettier for code consistency, and Jest along with React Testing Library for comprehensive unit and integration testing, ensuring the reliability of the application.- Worked collaboratively in an Agile environment, using Jira for project management and Git for version control, facilitating effective team collaboration and timely delivery of project milestones.

Luanda, Angola

As an intern at the nation's top mobile communications company, I had the unique opportunity to immerse myself in the world of network engineering, focusing extensively on CCNA Routing & Switching. This experience provided me with a deep understanding of the technical skills required to manage and optimize network infrastructures, crucial for maintaining robust and reliable communications services.Key Responsibilities and Learnings:- Gained hands-on experience in configuring and troubleshooting routers and switches, learning the fundamental and advanced concepts of network layers involved in highly scalable and secure communications.- Studied and applied networking protocols such as OSPF, EIGRP, and BGP to ensure efficient internal and external routing that supports the company’s extensive data traffic demands.- Utilized Python and Bash scripting to automate routine network tasks and data analysis, significantly increasing operational efficiency and reducing the potential for human error.- Assisted in the design and implementation of VLANs, VPNs, and other networking strategies that enhance security and efficiency within the company’s network infrastructure.- Collaborated with senior network engineers and IT staff to resolve complex network issues, gaining insights into the practical challenges and solutions in large-scale network operations.- Engaged in cybersecurity measures specific to network management, understanding the importance of network security practices and the implementation of firewalls and intrusion detection systems.- Documented all procedures and changes made to the network configurations, adhering to the company’s policies and ensuring consistent records for compliance and auditing purposes.- Received comprehensive training in network disaster recovery planning, preparing for potential data loss scenarios and learning about rapid response strategies to minimize downtime.

Luanda, Angola

As a Software Engineer at the National Commission of Angola for UNESCO, I was instrumental in developing and maintaining sophisticated software solutions designed to enhance internal operations and data management. In this role, I leveraged cutting-edge technologies and collaborative skills to deliver systems that improved organizational efficiency and secured sensitive information, all while adhering to the strict confidentiality requirements of a government institution.Key Responsibilities and Technologies Used:- Developed full-stack software solutions to support the internal operations, enhancing efficiency and organizational data management.- Designed and implemented intuitive user interfaces using HTML, CSS, and JavaScript, focusing on usability and accessibility to ensure an optimal user experience across multiple platforms.- Developed robust and scalable backend APIs using Node.js, integrating them with MySQL databases for efficient and secure information management.- Contributed to software architecture, implementing modern design patterns and best practices to ensure reliable and maintainable systems.- Performed unit and integration testing to ensure software quality and correct functionality of all applications, using frameworks like Jest for automated testing.- Implemented data security measures, including authentication, authorization, and encryption to protect sensitive information against unauthorized access.- Worked collaboratively with both technical and non-technical teams, providing technical support and conducting training to ensure effective adoption of developed solutions.- Actively participated in code reviews and brainstorming sessions, contributing innovative ideas to solve complex technical challenges and continuously improve internal processes.- Created comprehensive software documentation, facilitating understanding and usage of developed applications, and ensuring effective maintenance.

Luanda, Angola

As a programming instructor, I leveraged my extensive knowledge in JavaScript, C#, .NET Framework, and ASP.NET Core to educate and mentor high school students in both theoretical and practical aspects of programming. My role involved designing engaging curricula, delivering interactive lessons, and providing hands-on guidance on various programming projects, ultimately equipping students with the skills necessary for academic and future career success.Key Responsibilities:- Curriculum Development: Designed comprehensive programming curricula that covered essential concepts and practical applications of JavaScript, C#, .NET Framework, and ASP.NET Core.- Instructional Delivery: Conducted engaging and interactive classroom sessions, ensuring students grasp complex programming concepts and can apply them in real-world scenarios.- Assessment and Evaluation: Developed and administered assessments to monitor student progress, provide timely feedback, and adjust teaching strategies to meet diverse learning needs.- Skill Development Workshops: Organized and led workshops that focused on enhancing practical programming skills, including coding best practices, debugging techniques, and version control with Git.- Technology Integration: Integrated various software development tools and platforms into the teaching process to expose students to industry-standard technologies and practices.- Collaborative Learning Environment: Fostered a collaborative learning environment that encouraged student participation and teamwork, vital for project-based learning and problem-solving.- Professional Development: Stayed updated with the latest programming trends and educational methodologies to continuously improve teaching effectiveness and curriculum relevance.

Computer Engineering, Computer Software Engineering

Computer Engineering, Computer Engineering

Cisco Certified Network Associate Student, Network And System Administration/Administrator