Vinicius Lohmann Kieling Email & Phone Number

Structuring, construction, and maintenance of a new service that offers betterexperiences to the Luxury Escapes customer.Responsible for maintaining a system and developing new front and back-end features.Developed robust and scalable web applications using Node.js.Application support and monitoring. Large team with a weekly rotation of assignments.The use of NewRelic aims to create fault detection mechanisms for the microservices(approximately 20) and identify areas where improvements can be made to provide moreaccurate responses during critical moments.■ Technologies employed: React.Js, JavaScript, TypeScript, Node.Js, Redux, Heroku, Jest,Circle CI, Automated Tests.

Return to Codengage to lead a platform for selling used products composed of twosenior developers and two junior developers. Given the platform has its own currency forpurchases, the main challenge was focused on managing the entire flow and ensuringstability while mitigating points of failure in transactions. Some basic concepts of retriesin case of failures were used, as all the information related to transactions was stored incase something did not go as expected. Resilience concepts, such as credit cardpayments, were also employed.Responsible for both developing and customer support in order to improve taskassignments.Also instructed and followed the development and review of pull requests to assure thequality of the project.■ Architectural improvements.■ Technologies employed: NextJS, NestJS (Rest API, DDD, CQRS e EDA), AWS (ECS, ECR,RDS, S3, Route 53, SES e ACM), CI/CD (GitHub Actions, Vercel e AWS), PostgreSQL.

Quedas Do Iguaçu, Paraná, Brazil

Worked on migration of a full desktop platform to the cloud and web. Initially responsiblefor the front-end project (ReactJS + NextJS), designing a foundational architecture for it.In charge of two junior developers.Completing the initial phase of the front-end, became responsible for coordinating thedevelopment of the API (C# + .NET Core), working with two senior developers whiledelegating tasks and providing technical oversight for the application. Additionallyresponsible for maintaining the infrastructure of the applications.■ Technologies employed: React.js, AWS (EC2, S3, RDS, CodePipeline, CodeBuild,CodeDeploy, ECS), Azure, CI/CD (Now, AWS Services), Node.js, SQL Server, Asp.Net Core3.1 (CQRS, DDD, EF Core, Identity Framework).

Dois Vizinhos

Outsourcing company with a four to six months project turnover.Worked for a large variety of sectors of the Brazilian market, such as astrology, airlinemiles trading, healthcare, and education.Worked in a team of six people (one QA, one PO, and four developers). The platforminvolved selling astrological charts in an e-commerce format. Participated as a full-stackdeveloper using PHP (AsgardCMS)Began the development of a module for a leading company in the airline miles tradingindustry. This module was responsible for the commercialization of the miles and theteam was composed of six developers, with four of them focusing on the developmentof the offer module as two others (including myself) worked on the sales reportingaspect for the offer providers. The project used primarily ReactJS and, in specificinstances, PHP.Started building architecture of front-end applications for one of the largest companiesin the field of medical course sales in Brazil. The project was implemented through amonorepo (ReactJS) using yarn workspaces, with a focus on delivering scalablewhite-label applications. After the initial project conception, two developers joined, and acomponent library was developed along with the first application. Two additionalapplications were later also developed, adjusting specific details for each one.Responsible for the creation of new GraphQL-based BFFs (Backend for Frontend) forthese white-label applications, using NextJS as the foundational framework for theirdevelopment.Participated in the construction of two ERPs (Enterprise Resource Planning systems) -one for healthcare and another for education. Along with a team of 12 developers, thefoundations of these systems were built until the first deliverable was completed anddelivered to the client.■Technologies employed: React.js, NestJS, AWS (EB, EC2, S3, RDS, CP, CB, CD), CI/CD (CircleCI, Now,AWS), Node.js, GraphQL, Prisma,Java (Spring Boot), PostgreSQL, MySQL.

Worked on the migration of a full desktop application to a new web version. The processwas gradual and released in parts as each module was completed.Initially responsible for the front-end development in a team of two, while maintenanceresponsibilities for the AWS infrastructure were shared between both.Transitioned into a full-stack role after one year, developing features and end-to-endmodules.■ Technologies employed: AngularJS, Material Design, Java, Hibernate, Jenkins, AWSServices (RDS, EC2, S3), PostgreSQL.