Maik J.

Full-stack Product Engineer

Senior Software Engineer
11/1/2022 - Present

Developed proficiency in .NET Framework, C#, and ASP.NET while working in the retail team at a financial institution. Implemented key functionalities using Entity Framework and Linq to SQL, enhancing the database interactions and data management processes. Demonstrated extensive expertise in front-end development with Angular and TypeScript, ensuring responsive and dynamic user interfaces. Utilized SQL Server to design, maintain, and optimize relational databases, improving data retrieval times and overall system performance. Achieved seamless CI/CD pipeline integration through Azure DevOps, significantly improving the deployment efficiency and reducing downtime. Collaborated on various projects using Agile methodologies, participating in sprint planning, daily stand-ups, and retrospectives to continuously improve development processes.

Senior - Full Stack Engineer
1/1/2022 - Present

Developed expertise in building an OmniChannel service platform using microservices architecture tailored for Widget, Whatsapp, Telegram, and more. Employed Node.js and TypeScript for backend development, leveraging frameworks such as NestJS for constructing scalable and maintainable applications. Utilized Amazon Web Services (AWS) extensively, including SQS, SNS, and Lambda, to handle messaging and serverless computing needs. Integrated Apache Kafka for real-time data streaming and ensured efficient queue management with Amazon SQS.

Implemented Socket.io for real-time communication and MongoDB as a primary database solution. Managed deployment and scaling using AWS Elastic Beanstalk. Enhanced performance monitoring and operational efficiency with New Relic. Demonstrated expertise in utilizing Amazon DynamoDB for NoSQL database needs. On the frontend, developed rich user interfaces with Angular. Oversaw the entire lifecycle of the project, from conception and implementation to operation and maintenance, ensuring seamless functionality and reliability of the service platform.

Full Stack Engineer
1/1/2021 - 12/1/2021

Led the development of advanced platforms and applications for startups, focusing on suggesting innovative practices and identifying architectural design improvements. Provided technical support to fellow developers, and maintained project workflows using the SCRUM methodology. Demonstrated expertise in React.js, React Native, and Node.js, while adhering to SOLID principles and implementing Test-Driven Development (TDD) practices.

Android Developer
5/1/2020 - 11/30/2020

Developed financial applications utilizing React-Native. Demonstrated proficiency in integrating third-party APIs and managing application state using Redux. Implemented secure authentication and authorization protocols. Leveraged advanced JavaScript and ES6+ features to optimize performance and ensure high code quality. Employed CI/CD pipelines to streamline development and deployment processes. Conducted comprehensive unit and integration testing using Jest and Enzyme to maintain robust application stability. Used Git for version control and collaborated within an Agile framework to ensure continuous delivery of high-quality features.

Back-End Developer
6/1/2018 - 10/1/2021

Developed and maintained APIs handling hundreds of thousands of requests per month, leading the development of new APIs with a focus on SOLID principles, Test-Driven Development (TDD), and utilizing a Monorepo approach via yarn workspace. Acquired extensive technical expertise in Node.js, TypeScript, Jest for testing, GraphQL for query language functions, and MongoDB for database management.

HOME OFFICE - FULLSTACK DEVELOPER
6/1/2015 - 6/1/2018

Architected and developed products for web and mobile platforms, handling processes from prototyping using Figma to deployment on Google Play and Apple Store. Contributed to diverse projects in sectors including education, fitness, sports, and retail. Developed technical proficiency with React.js and React-Native for front-end development and Node.js for backend services. Leveraged AWS services such as S3 and EC2 for cloud infrastructure management. Applied testing frameworks like Jest and styled user interfaces using Styled-Components. Implemented state management solutions with Redux, Redux Thunk, and ReduxSauce. Managed build processes using WebPack.

High School Diploma at Joaldo Vieira Barbosa
2020 - 2021