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Oswald Rijo
Senior Software Engineer
Buenos Aires
Summary
Proactive and spontaneous Full-stack Developer with a robust background in designing and implementing innovative software solutions. Adept at collaborating in agile environments to deliver features that improve day-to-day user experiences. Experienced in leading development teams and working with a variety of technologies and methodologies to create scalable, resilient, and maintainable solutions.
Overview
8
8
years of professional experience
11
11
years of post-secondary education
5
5
Certifications
2
2
Languages
Work History
Senior Software Engineer
Compass
04.2022 - Current
- Spearheaded design and implementation of new features, resulting in collection of over $20 million in revenue.
- Engineered cache service that optimized latency across core services, enhancing system performance and reliability.
- Enhanced payment gateway processing system, reducing resource consumption by 20% and cutting latency by 50%, significantly improving transaction efficiency.
- Worked with project managers, developers, quality assurance and customers to resolve technical issues
- Optimized code performance for improved user experience and system efficiency
- Trained and mentored junior developers and engineers to improve overall team performance
- Conducted thorough testing to identify and resolve bugs, ensuring optimal software performance
- Collaborated with cross-functional teams to design innovative software solutions
Software Engineer
ComparaOnline.com
03.2021 - 05.2022
- Led development and implementation of collaborative IT solutions aimed at enhancing microservices infrastructure, significantly boosting system modularity and scalability.
- Streamlined event handling processes, resulting in marked increase in overall system reliability by reducing application downtime.
- Re-Designed and implemented core functionality that helped company to process payments faster, increasing revenue by 15%
- Worked with software development and testing team members to design and develop robust solutions to meet client requirements for functionality, scalability, and performance
- Maintained existing software systems by identifying and correcting potentiall bugs
- Developed reusable components that significantly reduced development effort on multiple projects
Developer Technical Leader
Naranja X
09.2020 - 03.2021
- Led analysis and design of microservices-oriented architecture, ensuring scalable and resilient solutions.
- Managed and organized development team to achieve set objectives efficiently.
- Implemented both backend (BFF APIs) and frontend (React applications), enhancing overall system performance.
Development Team Lead
Fpay
12.2019 - 09.2020
- Architected and implemented microservices solutions, including distributed transactions and BFF interfaces, improving client service delivery.
- Optimized bulk task processing with batch processes, increasing efficiency and reducing operational costs.
- Key technologies: Node.js, Python, Docker, Kubernetes, SQL/NoSQL databases
Software Developer
Synthesis Retail Solutions
01.2018 - 12.2019
- Developed omnichannel communication solutions using MVC design patterns and RESTful services.
- Analyzed, modeled, and optimized cloud resource algorithms, enhancing system efficiency and performance.
Actuarial Analyst
Grupo Multinacional de Seguros, C.A.
11.2016 - 08.2017
- Created and maintained premium quoting tools, streamlining insurance processes.
- Conducted reserve analysis and updated product rates, improving financial accuracy.
- Extracted and analyzed data for statistical and probabilistic studies, supporting informed decision-making.
Education
Computer Science -
University of Buenos Aires
Buenos Aires 01.2018 - 05.2023
Java Developer Engineer -
EducacionIT
Buenos Aires 01.2017 - 05.2018
Economía financiera y actuarial -
Universidad Central De Venezuela
Caracas 01.2013 - 05.2017
Skills
Amazon Web Services (AWS)
Terraform
Event driven architecture
Object-Oriented Programming
Golang
Python
Node js
Websites
Certification
Kubernetes Deep Dive
Interests
Learn about technology
Music
Boxing
Baseball
Timeline
Senior Software Engineer
Compass
04.2022 - Current
Software Engineer
ComparaOnline.com
03.2021 - 05.2022
Developer Technical Leader
Naranja X
09.2020 - 03.2021
Development Team Lead
Fpay
12.2019 - 09.2020
Software Developer
Synthesis Retail Solutions
01.2018 - 12.2019
Computer Science -
University of Buenos Aires
01.2018 - 05.2023
Java Developer Engineer -
EducacionIT
01.2017 - 05.2018
Actuarial Analyst
Grupo Multinacional de Seguros, C.A.
11.2016 - 08.2017
Economía financiera y actuarial -
Universidad Central De Venezuela
01.2013 - 05.2017