Matheus Yokoyama Email & Phone Number

Brazil

- Updating third-party dependencies to remove vulnerabilities and gain access to new features.

- Involvement in the support of a high-frequency trading system.- Implementation of improvements and problem-solving in daily operations.- Log analysis to identify and resolve issues.- Use of internal tools for real-time monitoring of instances.- Utilization of Grafana and Kibana for problem analysis through graphs.- Interaction with third-party systems using the FIX protocol for financial information exchange.- Use of GitLab for code versioning.- Management of activities using JIRA.- Development and execution of unit and functional tests.- Conducting manual tests to ensure the integrity of system functions.Key Results:- NeloAwards: Participation in adding a feature related to Cross Order in DOLPRO for Replay.- Reduced instance latency during peak trading times caused by account blocking processes.- Fixed a password validation issue that frequently impacted multiple clients.- Corrected a performance report inconsistency in DayTrade instances caused by an incident.

Jaraguá Do Sul, Santa Catarina, Brazil

- Involvement in the Software Application section, responsible for developing automated systems.- Use of multiple industrial communication protocols such as Modbus, CAN, and MQTT on HMIs, PLCs, supervisory systems.- Development and automation of equipment configuration for electric vehicle charging stations.- Use of Python for developing and automating processes.- Application of industrial communication protocols for system integration.- Implementation of the OCPP protocol for communication with cloud-hosted central systems.- Conducting continuous testing and improvements on developed systems.Main Activities Performed:- Automation of the application update process on the microcontroller.- Designing solutions for integrating new equipment into the system.- Maintenance of the application and conducting tests.

Piracicaba, São Paulo

- Preparation of daily and monthly reports.- Creation of KPI indicators using Power BI and Excel.- Exporting data from Oracle databases.- Development of dashboards and reports in ServiceNow.- Preparation of meeting minutes.- Management of SLAs for service requests.- Addressing business area demands for new projects.- Monitoring the process of fulfilling demands.- Supplier management.- Accounting for contracted services.- Administrative tasks, such as creating purchase requisitions and purchase orders.