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Roberto RyanRR
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Roberto Ryan

@robertoryan

I build reliable backend systems, integrations, and data pipelines for critical operations.

Brazil
Message

What I'm looking for

I'm looking to build reliable, scalable backend and distributed systems, contribute to architecture and integrations, and improve production quality through strong engineering practices and continuous delivery.

I'm building and supporting production applications at Super Terminais, delivering Java/Jakarta features, Oracle data integrations, billing integrations, and performance monitoring with Datadog.

I’ve helped shape scalable distributed systems using Domain-Driven Design and Event-Driven Architecture, while improving delivery through Jira and Bitbucket Pipelines. My work supports reliability, service quality, and critical operational systems.

Previously, I developed .NET systems at ZEEWAY and TOODOO, including agricultural-worker support, ASD assessment, REST APIs, business rules, database optimization, and CI/CD workflows across SQL Server, Oracle, Azure DevOps, and Git.

Experience

Work history, roles, and key accomplishments

ST
Current

Software Engineer/IT Supervisor

Super Terminais

Jul 2024 - Present (2 years 2 months)

Develops new features and supports production applications using Java/Jakarta, Oracle Database for data integration, and monitors performance with Datadog. Assists in architecting scalable distributed systems with DDD and Event-Driven Architecture.

zeeway logoZE

Backend Software Engineer C#/.Net

zeeway

Aug 2023 - Aug 2024 (1 year)

Developed and maintained applications using C#/.NET, Entity Framework, and SQL Server, focusing on data integrity, maintainability, performance, and business rule reliability.

TOODOO logoTO

Backend Software Engineer C#/.Net

TOODOO

Feb 2022 - Jun 2023 (1 year 4 months)

-Participated in a backend development program focused on C#/.NET, software architecture, clean code, RESTful APIs, business rules, and engineering best practices, strengthening code quality, maintainability, and system design.
-Worked with relational databases, including Oracle, focusing on query efficiency, data consistency, debugging.

Education

Degrees, certifications, and relevant coursework

FA

FAMETRO

Master of Business Administration, Computer Systems Analysis

2019 - 2022

MBA in Computer Systems Analysis from FAMETRO, Brazil, from 2019 to 2022.

FU

FUCAPI

Certificate, Computer Technician

2017 - 2019

Certificate in Computer Technician from FUCAPI, Brazil, from 2017 to 2019.

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