• Saved USD 240K+ per year in costs and improved profit for the company by launching a new product (Testing Platform) to replace Codility and HackerRank • Boosted the hiring speed increasing the company’s profit by launching a new product (TopScreen) • Increased the FE engineers productivity by providing coach sessions and PP with them • Leveraged the product quality by leading the project isolation implementing monorepo standards • Increased the admission number by leading coach and pair programming sessions with the company interns

• Boosted the deployment and setup of new local machines by implementing Ansible scripts to mange a Bare Metal k8s cluster • Launched Pluo, the first product of the company in production. Can be visited at https://pluo.jobs • Managed up to five engineers directly • Brought analysis over all the products by implementing and deploying metrics systems and dashboard tools such as Metabase, Sentry, Prometheus and Grafana • Increased the productivity of the front-end engineering by implementing a Storybook and grabbing all of the components together

• Accelerated the creation of a Startup by creating the first Marketplace to sell the company’s products • Responsible for hiring new Engineers • Strengthened the teams knowledge, and the company continuous delivery, deploying a Kubernetes cluster on AWS with kOPS • Brought metrics analysis of our apps to the company by running Prometheus and integrating our apps with it • Increased the visibility of the products by implementing SEO techniques on the company’s blogs

• Improved the developers productivity by implementing base Docker Images • Gave visibility to the company by implementing the blogs with ReactJS • Fixed performance issues by implementing high availability cache clusters with Kubernetes

• Solved many problems of resource-based authorization by implementing security layers for the GraphQL queries, mutations and subscriptions • Improved the product UX/UI implementing the new dashboard with real-time updated data • Contributed to the community by holding an open and free presentation about ”NodeJS Under the Hood: Concurrency and Multithreading”

• Engaged the company in the community, managing the first Mudano Meetup in Goiânia, open and free for the community • Optimized the UX by suggesting, and implementing, many dashboards.

• Saved U$400.000 of costs on buying third party software implementing static code coverage and improving it’s rules • Introduced Docker environment to provision and scale systems • Trained a team of 15 people on how to manage CI and CD with Gitlab using Gitflow

• Led a team of 6 Java developers • Started Docker orchestration of the environment • Supported the recruiting process of new software engineers

• Improved user experience making databases queries 70% faster • Boosted productivity of Development Department organizing 6 teams, with at least 3 developers on each.

• Enabled users to filter, sort and query every field from invoice documents by building an API in AWS • Improved user experience building a JavaFX client to manage their local and remote data • Automated Sprint rotations and deploys of all systems • Provided customers management to the company by building a Licenses system to handle accesses and payments • Increased the visibility of company financial progresses through the implementation of an internal KPI system

• Boosted the document processing software to be 10 times faster (from 30 docs/second to 300 docs/second) by scaling the application and creating async I/O services • Increased the reliability of our JMS services moving out from Joram to ActiveMQ

Test automation in general. Usability tests using Selenium and BadBoy. Focus on QA and documentation improvement.