E
Efraim Rodrigues
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Senior Software Engineer at Kojo
Ceará, Brazil
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Résumé
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Senior Software EngineerKojoMay 2025 - Current (1 year 6 months)- Senior Software EngineerFullStackAug 2022 - May 2025 (2 years 10 months)Fiduciary purchasing platform for negotiating FF&E and OS&E purchases on the owner’s behalf protecting client’s investments: I had the opportunity to contribute to every part of the program writing new features, maintaining existing ones, and adding tests. As a senior software engineer, I used my experience to provide performance improvement solutions due to the increasing number of active users. These solutions included system design solutions such as implementing queue services to process tasks demanding high processing power. Plus architecture updates such as data serializing/deserializing and report generation processes that reduced time and workload improving user's experience and reducing cloud computing costs. As well as by refactori
- Software EngineerFullStackAug 2021 - Aug 2022 (1 year 1 month)Provider of continuing education solutions for professionals, the solution develops specialized curricula designed to help users deepen their expertise while meeting licensing requirements: I was in charge of redesigning the API solution by delivering a high-performance server architecture from scratch using Nest to resolve critical scalability and responsiveness challenges in its legacy server. Abstracting Nest controllers and services by using factory and dependency injection design patterns, I was able to deliver a robust architecture easy to scale, maintain, and connect with the client application. Using Objection.js alongside with the objection-filter package, I was able to deliver an architecture that easily adapts to client applicati
- Software EngineerUniversidade Federal do CearáJan 2017 - Aug 2021 (4 years 8 months)Student's Financial Aid System: As one of the largest public universities in Brazil, the Federal University of Ceará has over 40k students and provides financial support for socially vulnerable students. These programs included housing, meals, kindergarten, and transportation support. In order to allow the managing team to get rid of spreadsheets, I was in charge of designing and delivering a modern solution for it by communicating with stakeholders, planning and managing the project ensuring its success. The delivered solution controlled each enrolled individual in these programs and computed and processed payroll and other reports. Academic Evaluation System: The Federal University of Ceará has many ongoing courses and classes. As part of
- Undergraduate Teaching AssistantUniversity of Nebraska–LincolnSep 2014 - Dec 2014 (4 months)Guided students through laboratory practices and corrected their assignments for Computer Science II which covered Object-oriented programming and MySQL.
Education
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- master, Master of Science - MS, Computer ScienceFederal University of CearaJan 2018 - Jan 2020 (2 years 1 month)
- Computer ScienceUniversity of Nebraska-LincolnJan 2013 - Jan 2014 (1 year 1 month)
- Fbachelor, Bachelor of Science (B.Sc.), Computer ScienceFederal University of the Semi-AridJan 2011 - Jan 2017 (6 years 1 month)