Leonardo Gomes

MongoDB Certified Developer, Associate (C100DEV)

MongoDB

Issued 2022-02-16

MongoDB System Integrator (SI), Associate

MongoDB

Issued 2022-05-31

Databricks Certified Associate Developer for Apache Spark 3.0

Databricks

Issued 2022-10-15 - 2024-10-15

PeerIslands, Cayman Islands

Associate Software Developer

2021/04 — current

• Creation of MongoDB Atlas Sizing Tool (free to use), using Angular Framework v11 (https://tools.peerislands.io);
• Worked (as a team) in the creation of an ETL (Extract, Transform, Load) Platform for Big Data engineering, using Scala, Spark & Microsoft Azure resources for a Health company;
• Worked on the OSDU Open Source Data Platform (https://community.opengroup.org/osdu), with CloudFormation and Terraform templates, to allow easy deployments on AWS Cloud and MongoDB Atlas.

Ame Digital (B2W Digital), Brazil

Software Engineer

2020/03 — 2021/03

• Worked on a big solution for payment integrations (insurance and extended warranties):
  • The old process was using hardware communication to process those sales;
  • The new process is using Software (APIs, Message Broker, Dead Letter Queue), and has great real-time monitoring;
• Use of AWS services every day [S3, SQS, SNS, Lambda, DynamoDB];
• Integration between systems through APIs, messaging services, queues, and topics;
• Developed many integrations involving payment solutions;
• Worked with event-driven architecture for a POS System used by thousands of operators simultaneously.

Funcional Health Tech, Brazil

Senior Software Developer

2016/12 — 2020/03

• Worked in an Agile SCRUM environment;
• Worked on the implementation of multi-language resources;
•  Implemented GraphQL for new APIs, while keeping updated on existing REST APIs;
• Implemented JWT for Security (Authentication and Authorization);
• Implemented a corporative logs standard, using Monolog (PSR-3 log levels) and Kibana (Elasticsearch) integrations;
• Implemented a lot of Docker solutions and some in Google Cloud Platform;
• Created new ~7 microservices:
  • Payment Orders Processing; Products Recommendation Engine; Sales Reconciliation Reports; Email Messages Centralization; Discount Coupons Management; SAP Orders Processing (SOAP Integrations); Historical Sales Data Management;
• Created a lot of tests using PHPUnit, Mocks, and Stubs.

Indra Company, Brazil

Analyst/Full-Stack PHP Developer

2014/09 — 2016/12

• Responsible for teaching Laravel Framework to the team;
• Created an ERP to centralize data and workflows for all employees;
• Implemented an integrated login system for several systems;
• Worked with deployment and maintenance of web systems through virtualization (Proxmox VE, open-source);
• Deep knowledge of ITIL, ISO 9001, and ISO/IEC 27001.

Essentia Editora, Brazil

Software Developer Intern

2013/05 — 2014/12

• Worked with OJS (Open Journal Systems – PKP), a PHP open-source project;
• Responsible for creating new HTML Pages, in collaboration with the Designers’ team.