Ronan Guimarães Kraemer Email & Phone Number

Blumenau, Santa Catarina, Brazil

Working as a outsource Java backend senior developer in a solution to connect companies with clients and leads through text message. My main role is to improve, develop and maintain the integrations with legal, OEM and auto partner's applications. Most of the work involves studying the partner API, communicate with the partner developers, build stable connection between APIs and develop the communication between them.The stack I’m working with is Java 17-21 with Quarkus framework for the microservices. For the database I work with PostgresSQL and integrate the tables in the services with Flyway together with Jooq. For the code versioning I use Github and CircleCI for the pipelines. For the tests, I work mostly with medium test using Junit. for cloud, I work using the Google Cloud platform (Tasks, PubSub topics, terraform, Firebase, Firestore, Datastore, Cubernets, etc.).

Blumenau, Santa Catarina, Brazil

Working as a outsource backend senior developer in a big company from the automotive industry. The stack I worked with was Java 8, Java 11 and SpringBoot for the backend, AWS Lambda, AWS SQS, AWS Cognito and AWS API Gateway for the cloud, MongoDB for some applications databases, Redis for cache management and GitLab for version control and CI/CD. I’m responsible for the development and maintenance of the microservices that are part of the company’s sales ecosystem.

Blumenau, Santa Catarina, Brazil

Working as a outsource senior sofware engineer at Philips-EMR, in its hospital system, expecially in the oncologic projects and helping with the maintance as well. At Philips, I’ve been working with AngularJS, Java, Delphi and Oracle;

Blumenau Area, Brazil

Ten months helping in the development of a TMS web system which can help the custumers to find the best transportation solution for their cargos. The system was developed with JSF with its PrimeFace framework and Java as its back-end. The database used for this system was the PostgreSQL with all its objects mapped using the Hibernate tecnology;

Rua Theodor Holtrup, 745 - Vila Nova, Blumenau - Sc

Nine months in a bank compensation website project for Sicoob-PR and two months in a bank covenant collection control system website project for Confesol. Both projects were developed with the ExtJS framework as its front-end and Java 1.8 as its back-end. The database used for these projects were SQL Server and MySql, respectively.I acquired new experiences of project management tools (Maven), REST architecture and experiences of the Agile methodology. I acquierd, as well, experiences at custumer visits and implantations with in loco system tests.

Blumenau Area, Brazil

I worked developing and maintaining the people management system named as Rubi in its two different versions, Java 1.7 and Delphi 5. I acquired a good experience with the Oracle database and worked with the SQL Server database as well.I worked in some other activities such as: helping in the translation of the product alongside with the internacionalisation team. My job was granting that all the features of the product were being translated for english and spanish.

Rua Hermann Hering, 799 - Bairro Bom Retiro - 89010-600 - Blumenau / Sc

I worked developing and maintaining a payroll product named as Único. I also worked Implementing and validating all laws that range from the hiring of the employees, to the termination of them. The system was developed with Delphi with a FireBird database.

Blumenau Area, Brazil

A year and two months working with VB6 in projects of a human resources (payroll, hiring, vacation and termination) mainly developed for brazilian governance.Three months working with VB.NET in a project for the eSocial's emplementation at the custumers.I acquired a good experience in being part of the planning and development of projects as a developer. I acquired a lot of experience at the usage of SQL Server database as well.

Rua Joinville, Vila Nova - Blumenau

Tree months internship working with Python and mantaining the POS module of the system, dealing with cash financial logic and peripherals communication like controller coupon printers, fuel pump and barcode readers.After effectuation, I worked for another year with the same activities, but helping in other modules as well, like tax coupon emission, invoice emission and bank communication with the CNAB 400 and 240 patterns. At this period I got a solid experience of databases usage, in expecific, with PostgreSQL.At last, I worked six months in the system projects, developing new components and solutions for it. For example, the implantation of the transparency law at the tax coupon printing.

Bacharelor'S Degree In Computer Science, Information Technology

English As Second Language

Two weeks in pre-advanced class for practice and evaluation