Crinnger FagundesCF
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Crinnger Fagundes

@crinngerfagundes

Experienced Senior Java Developer with 18+ years in software development.

Portugal

What I'm looking for

A place where there are innovations, challenges and a group of people who work together.

I'm Crinnger Fagundes de Oliveira, a senior software developer with over 18 years of experience across various platforms including Java, AWS, and Spring. I led the development of a significant driver's license control system in Amazonas, enhancing public services and revenue. Passionate about technology, I constantly explore new trends to deliver innovative solutions. My career spans significant projects like ID.GOV.PT and fintech initiatives, demonstrating my commitment to excellence and continuous learning.

Experience

Work history, roles, and key accomplishments

Zartis logoZA
Current

Senior Software Engineer

Zartis

Nov 2024 - Present (7 months)

Assigned to the SMS client, I contribute to the development and maintenance of a system for processing electronic energy meter readings. This project involves complex business rules and extensively utilizes AWS services, including Lambda, SNS, and SQS, for robust and scalable solutions.

kwan logoKW

Senior Software Engineer

kwan

Jan 2022 - Oct 2024 (2 years 9 months)

I part of the migration from C# application to Java microservices, enhancing the SSO system for Portugal's government portals. I mastered Quarkus for swift deployments, integrated the SAML standard for secure authentication, advanced in Java Cryptography to protect data, and utilized Kafka for efficient message flow, overcoming multiple technical challenges to ensure project success.

Invillia logoIN

Senior Java Backend

Invillia

Mar 2022 - Sep 2024 (2 years 6 months)

At the AME fintech project, I managed sales reconciliation, enhancing payment efficiency with AWS and Terraform. I explored Scala, utilized Databricks, and implemented a pivotal credit card reconciliation system, boosting payment accuracy. Our team also optimized AWS costs without affecting user experience, showcasing our commitment to efficient, cost-effective solutions.

Prodam logoPR

Senior Software Engineer

Prodam

Jun 2005 - Jun 2024 (19 years)

Over 17 years at prodam. I improved services through innovative projects. I streamlined tax payments, integrated PIX for fee payments, and incorporated the RENAINF system to increase revenue. Enabled remote vehicle sales reporting and integrated financial services, enhancing citizen engagement and operational efficiency.

Education

Degrees, certifications, and relevant coursework

Umaia logoUM

Umaia

Master’s Degree , Computer Science

2024 - 2026

UN

Uninter

Associate of science, computer programming

2018 - 2020

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