Available to hire
Hi there! I’m Jeffrey Prado Reyes, a software engineer with 5+ years of experience specializing in Python, React, and cloud architectures. I love building scalable SaaS platforms that are fast, secure, and reliable.
In my roles at Siigo and Contifico, I’ve designed robust backend services, integrated seamless frontend interactions, and optimized data processing for large datasets. I’m passionate about clean code, collaboration, and continuous learning.
Skills
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Experience Level
Expert
Expert
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Intermediate
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Intermediate
Language
Spanish; Castilian
Fluent
English
Fluent
Work Experience
Software Engineer at Siigo
October 1, 2022 - PresentEnhanced the stability and reliability of the FinTech SaaS by resolving 25% of the critical bug backlog. Designed and secured microservices for sensitive third-party operations using FastAPI with OAuth 2.0 and JSON Web Tokens to guarantee data integrity. Integrated RESTful APIs with React to optimize frontend rendering and reduce latency for end users. Refactored ORM queries for a 131M+ records reporting pipeline by switching to Raw SQL with preemptive filtering, transitioning from Full Index Scans to Index Lookups and reducing execution time to under 90 seconds, achieving a 99.9% reduction in data processing volume. Contributed to code quality by covering a substantial portion of the team's reviews.
Backend Developer at Siigo
June 1, 2021 - October 1, 2022Solved 18% of reported bugs in the error tracking system, prioritizing critical issues to improve software reliability. Implemented Userpilot to track campaign interactions in Contifico, enabling data-driven decision making. Added Google Analytics to capture customer behavior across multiple modules.
Project Developer at Contifico
June 1, 2020 - June 1, 2021Engineered and integrated a Python 3 SOAP library into the requests handler microservice, managing 40% of transaction requests for the Guayaquil bus terminal fee system. Optimized the Flask HTTP requests handler using Celery and Redis, increasing request throughput by 40% and implementing a retry algorithm that boosted the success rate from 72% to 95%. Implemented 80% of the backend services for the reporting module in the web application.
Mobile Developer at Contifico
December 1, 2019 - June 1, 2020Developed a self-service restaurant app using Kotlin and Realm on Android Studio, which streamlined customer ordering and improved satisfaction.
Education
BS in Computer Science at Escuela Superior Politécnica del Litoral
May 1, 2017 - February 1, 2023Qualifications
Python
January 11, 2030 - January 19, 2026Advanced Algorithms and Complexity
January 11, 2030 - January 19, 2026Algorithmic Toolbox
January 11, 2030 - January 19, 2026Scrum Foundation
January 11, 2030 - January 19, 2026Microsoft Student Ambassador
January 1, 2020 - January 1, 2023Industry Experience
Software & Internet, Computers & Electronics, Professional Services
Skills
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Experience Level
Expert
Expert
Expert
Expert
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Expert
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Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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