Played a key role in the development of DataOps SaaS multi-tenant web platforms by leading the back-end team, collaborating with the product owner, holding technical discussions with the team, helping to establish a productive software development process, and programming. Used Python, Flask, MySQL, Kafka, Elastic, MongoDB, Docker, Kubernetes, Helm Charts, and other technologies and tools.

Led a team of full-stack engineers, coordinated tasks, managed project roadmaps, worked with the team to define the architecture, and acted as the contact person for the other areas of the company. During the period, the team built two solutions of major relevance for the company's success: an online car shopping tool, built with Python, Django, Vue.js, Postgres, Docker; and the web integration of the company's flagship car shopping platform with a major car shopping website, present in United States and Canada, using the same technologies. The team was also responsible for improving and maintaining a great part of the company's internal APIs, which served other teams and projects.

Added new features, improved, and maintained the products for the B2B segment of the company, including web tools and widgets that were embedded in the customers' websites, internal and public APIs, and web platforms using Python, Django, and Postgres.

Rewrote, added new features, and maintained the back-end and the front-end of a SaaS multi-tenant web platform. The platform provided an easy UI for sending mobile peer-to-peer messages (SMS), also acting as a SMS gateway and router, including billing. Used Python and Redis to replace the legacy back-end built using C++ and in-database queues. Used Python and Flask for the front-end.

Led the engineers of the Research and Innovations team. The team built prototypes for testing different business tools, including services, APIs, and web platforms, using a variety of technologies including Java, C++, and Python. The team also evaluated prospects' and partners' new demands when these required building new platform components or tools or involved new techniques and integration protocols.

Built, improved, and maintained mobile peer-to-peer messages (SMS) web platforms, gateways, services, and interfaces, that are used across the company by other teams, using a wide range of technologies, including C, C++, Java, Perl, MySQL, SMPP (protocol), was the contact person of specific services for partners and suppliers, including the mobile network operator companies. Mentored other teams on the usage of the internal APIs and services.