Cristiano Jesus
Senior Java Software Engineer at Fulcrum Digital Inc
Lisbon, Lisbon, Portugal
Summary
👤
Senior🎓
Top SchoolCristiano Jesus is a Senior Java Software Engineer with 11 years of experience building and modernizing payment and banking integrations, currently based in Lisbon. He combines deep backend expertise in Java, Spring, SOAP/REST and enterprise integration patterns with hands-on front-end skills in Angular/TypeScript, enabling full-stack delivery across complex payment ecosystems. At Fulcrum Digital he led refactors that reduced technical debt and improved security and maintainability for real-time payments platforms, and he regularly mentors peers through code reviews and Spring version upgrades. A committed cloud practitioner, he completed Udacity’s Cloud Developer Nanodegree (shipping a React/Auth0/AWS Serverless app) and is advancing through the AWS Cloud Architect Nanodegree. Beyond production work, he contributes to the popular TheAlgorithms/Java repo by refactoring algorithms and strengthening unit tests, reflecting a pragmatic focus on code quality and algorithmic rigor.
11 years of coding experience
5 years of employment as a software developer
Telecommunications Technician, Telecommunications, A (85% - 100%) in all modules, Telecommunications Technician, Telecommunications, A (85% - 100%) in all modules at Federal Institute of Technological Education of Goiás (IFG)Nanodegree Program, AWS Cloud Architect, Nanodegree Program, AWS Cloud Architect at UdacityMBA in Software Architecture, Information Technology, 89.6% (overall average), MBA in Software Architecture, Information Technology, 89.6% (overall average) at Institute of Management and Information Technology
Portuguese, English
Github Skills (8)
data-structures10
javas10
data-structure10
java10
algorithm9
unit-testing9
algorithms9
sorting-algorithms8
Programming languages (3)
Github contributions (5)
TheAlgorithms/Java
Apr 2022 - Apr 2022
All Algorithms implemented in Java
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 commits, 7 PRs, 7 issues in 1 day
Contributions summary:Cristiano primarily focused on refactoring and improving Java code within the `thealgorithms/java` repository. Their contributions centered around enhancing existing algorithms by modifying and updating the code. This included improvements to algorithms such as `AbsoluteMin`, `AbsoluteMax`, `AbsoluteValue`, `ADTFraction`, and `AliquotSum`. The user also added and modified unit tests to ensure the correctness of their refactored code.
data-structuresjavasorting-algorithmssearchalgorithms-implemented
cristbjesus/IRRemoteControl
Aug 2017 - Apr 2022
Lightweight Arduino Library for send/receive IR signal.
Contributions:3 releases, 9 commits, 1 PR in 4 years 9 months
signalsoftware-defined-radioserialpongarduino-library
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