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Laercio Leal

@laercioleal

Senior software engineer at Praxis who contributed to McKesson ERA and DSCSA applications and an Okta authentication migration.

Brazil

Message

What I'm looking for

I’m seeking opportunities to contribute to scalable, resilient cloud computing applications. I want to use my leadership and software development skills in a dynamic environment, contribute to company goals, share knowledge, and achieve performance benchmarks.

At Praxis, I contributed to the development and maintenance of the McKesson ERA and DSCSA enterprise applications, building full-stack solutions with React, Java, and Spring Boot. I also worked on migrating the authentication platform from ForgeRock to Okta.

At NT Consult, I developed and maintained microservices-based systems for U.S. clients, including MedImpact, ND Group, Thomson Reuters, and Convera. I integrated services with Apache Kafka and worked on secure AWS integrations, containerized deployments, and Grafana observability.

At TQI, I started as a Software Engineer and finished as a Tech Team Leader on PagSeguro PagBank shopping and radar features. I led the backend team, refined backlogs, conducted code reviews, and worked with stakeholders toward quarterly goals.

Earlier, I contributed to systems for the Ministry of Transport at Interação Tecnologia and developed and integrated systems for Nextel Happy and Claro Flex at Zup IT Innovation. I’m seeking opportunities to contribute to scalable, resilient cloud computing applications, and to use my software development and leadership skills in a dynamic environment.

Experience

Work history, roles, and key accomplishments

Senior Software Engineer

Praxis

Jan 2025 - Jul 2026 (1 year 6 months)

Contributed to development and maintenance of McKesson ERA and DSCSA enterprise applications, building scalable full-stack solutions with React, Java, and Spring Boot. Worked on migration of authentication platform from ForgeRock to Okta, implementing SSO with SAML 2.0, OAuth 2.0, and OIDC.

Java Spring Boot React Redux NodeJS REST APIs MySQL Redis SAML OAuth OIDC Okta Docker Junit Cursor GitHub Co Pilot

Senior Software Engineer

NT Consult

Nov 2021 - Dec 2024 (3 years 1 month)

Collaborated with distributed engineering team to develop, enhance, and maintain scalable microservices-based systems for U.S. clients. Worked with Spring Framework, Apache Kafka, AWS, Docker, and implemented secure integrations and observability with Grafana.

Java Spring Framework Kafka AWS Docker Grafana Okta JWT Redis Python Camunda BPMN Jenkins

Senior Software Engineer/Technical Team Lead

TQI

Nov 2020 - Nov 2021 (1 year)

Led backend team for PagSeguro PagBank partnership, overseeing shopping and radar features. Responsibilities included refining backlogs, conducting code reviews, creating new functionalities, fixing bugs, and meeting with stakeholders to achieve quarterly goals.

Java Spring Framework Webflux AWS Terraform Redis Docker Python NodeJS React Serverless Microservices Splunk New Relic

Full-Stack Developer - Java

Morpheus Tecnologia

Oct 2017 - Dec 2019 (2 years 2 months)

Worked on consultancy projects, allocated to client Callink, a call center company. Understood and proposed solutions for existing call center systems.