Summary
Overview
Work History
Education
Skills
Languages
Timeline
Generic

Esteban Leon

Coral Gables

Summary

Software Engineer with over three years of experience specializing in backend development, database management, and API integration. Proficient in Java, relational databases, and web services, complemented by practical exposure to frontend technologies. Skilled in agile methodologies, collaborative problem-solving, and developing robust, scalable software solutions. Passionate about continuous learning, enhancing technical expertise, and proactively contributing to team objectives.

Overview

4
4
years of professional experience

Work History

Software Developer

TRAX
Miami
08.2022 - Current
  • Design, develop, and implement custom client solutions, translating complex business requirements into technical specifications.
  • Provide 24/7 on-call support through scheduled rotations, ensuring rapid response and resolution during critical system deployments.
  • Collaborate with cross-functional and multi-team projects, delivering cohesive software solutions across multiple product modules.
  • Conduct onsite visits—both domestic and international—to support clients through software design, integration, and successful implementations.
  • Perform rigorous software testing, debugging, and quality assessments, reducing deployment errors and enhancing product reliability.
  • Author detailed client-specific API and service documentation, facilitating efficient software integration and adoption.
  • Proactively manage shifting project priorities and effectively handle concurrent development tasks in a dynamic work environment.
  • Engage in agile practices, including daily standups, sprint planning, and code reviews, improving team coordination and project delivery.
  • Led the design and engineering of a modern RESTful microservices integration between Trax and Amazon Fleet Services. Consolidated 11 disparate datasets into a unified backend structure, enabling secure, real-time data exchange via AWS and enhancing system interoperability and operational efficiency across aviation platforms.
  • Engineered a microservice using Spring Boot, MySQL, and H2 to dynamically manage product release versions, reducing manual deployment steps.
  • Led the transformation of legacy interface codebases into modular microservices, boosting maintainability and deployment flexibility.
  • Contributed to a multi-system integration project enabling connectivity with multiple external record management systems, enhancing interoperability and streamlining data exchange workflows.

Software Developer (Freelance)

3L&C Group
Miami
02.2022 - Current
  • Developed advanced trading algorithms using MetaTrader 5, optimizing trading efficiency and performance.
  • Implemented robust, maintainable software solutions utilizing object-oriented principles with C++, MQL4, and MQL5.
  • Recommended and integrated optimal data structures, significantly enhancing application scalability and performance.
  • Performed comprehensive issue analysis, resolved critical software defects, and improved overall system stability.
  • Actively contributed in business requirement discussions, emphasizing testability, reliability, and maintainability.

Software Developer / IT Analyst Intern

DBK Concepts, Inc.
Miami
01.2022 - 08.2022
  • Assisted in optimizing and enhancing proprietary software solutions, directly contributing to improved system performance.
  • Developed and maintained efficient, reliable code in Java and C/C++, emphasizing best practices and object-oriented methodologies.
  • Managed hardware and software installations, upgrades, and configurations, significantly reducing operational downtime.
  • Implemented network security measures, enhancing protection of critical data and systems, improving overall system integrity.
  • Diagnosed and efficiently resolved various hardware and software issues, ensuring minimal impact on business operations.

Education

Bachelor of Science - Computer Science Program

Florida International University
Miami, Florida
08.2022

Skills

  • Java and JavaScript
  • Python programming
  • Nodejs and Express
  • React and AngularJS
  • C and C
  • SQL and PL/SQL
  • Spring Boot framework
  • Hibernate and JPA
  • MongoDB and MySQL
  • Oracle database management
  • Git and SVN version control
  • Docker containerization
  • Kafka messaging system
  • Postman and SoapUI testing
  • Apache Tomcat and JBoss WildFly
  • IntelliJ IDEA and Eclipse IDEs
  • VS Code editor
  • Windows and Unix/Linux environments
  • Object-oriented programming (OOP)
  • Troubleshooting expertise

Languages

English
Full Professional
Spanish
Native/ Bilingual

Timeline

Software Developer

TRAX
08.2022 - Current

Software Developer (Freelance)

3L&C Group
02.2022 - Current

Software Developer / IT Analyst Intern

DBK Concepts, Inc.
01.2022 - 08.2022

Bachelor of Science - Computer Science Program

Florida International University

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Esteban Leon