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Leonard J. — Senior Backend Developer from Philippines

Leonard J.

Senior Backend Developer

Philippines 6+ years
Open to offersNew to Platform
Languages
EnglishTagalog
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About

Leonard J. is an accomplished Software Engineer with over nine years of experience specializing in Java and object-oriented programming. His expertise lies in the realms of web and enterprise applications, with significant contributions in system maintenance, enhancements, bug fixing, troubleshooting, API development, and database design. Currently, as a Backend Developer at Rising Tide Digital, Inc., Leonard has designed and implemented scalable database schemas, developed core backend services using FastAPI, and integrated AWS S3 for secure file storage. Previously, at TELUS International Philippines, he honed his skills using the MERN stack and COBOL, contributing to healthcare payment solutions with shift-left testing practices. Leonard's proficiency extends to roles at PCCW Solutions and Velocity Solutions, where he mastered technologies such as Spring Boot, REST APIs, and SQL, ensuring system scalability and performance. His educational background is anchored with a degree in Electronics Engineering from the Technological University of the Philippines.

Experience

  • Backend Developer

    Rising Tide Digital, Inc. · 2024 — 2025
    Created relational database schemas to facilitate legacy system data migration. Built and maintained JPA/Hibernate entity models to ensure data integrity. Developed RESTful APIs with Java Spring Boot for frontend integration. Coordinated backend development tasks in alignment with project goals. Monitored code quality using SonarQube and conducted security scanning with Trivy.

  • Backend Developer

    Rising Tide Digital, Inc. · 2024 — Present
    Designed and implemented scalable database schemas to meet system requirements. Developed core backend services and RESTful APIs leveraging FastAPI (Python). Integrated Amazon Simple Storage Service (AWS S3) for secure file storage. Ensured a modular backend architecture for enhanced scalability.

  • Intermediate Application Developer

    TELUS International Philippines · 2022 — 2024
    Developed full-stack features and UI components utilizing the MERN stack (MongoDB, Express.js, React, Node.js). Built responsive interfaces based on business specifications and collaborated with teams to meet project deadlines.

  • Intermediate Application Developer

    TELUS International Philippines · 2022 — 2023
    Created and maintained core modules of the Drug Engine application using COBOL for healthcare payment solutions. Implemented shift-left testing with Cucumber, enhancing defect detection. Delivered training for new hires and contributed to documentation and automation processes while providing production support.

  • Solutions Developer, Full Stack Developer

    PCCW Solutions Philippines, Inc. · 2021 — 2022
    Developed reporting modules and user interface pages utilizing Angular for data visualization. Designed JRXML/Jasper report templates for report generation in Excel and PDF formats while optimizing stored procedures using SQL Developer.

  • Software Engineer, Java

    Velocity Solutions Inc · 2019 — 2021
    Handled defect fixing, code tracing, and enhancement development to maintain system stability. Managed the creation and optimization of stored procedures with SQL Developer and generated JasperReports templates for structured reporting.

  • Software Engineer, Java

    Pointwest Innovation Corporation · 2015 — 2019
    Contributed to the Agile software development of the Loan and Collateral System by developing front-end and back-end components. Participated in defect fixing and database management in the Preferred Channel Check In project, leading a team for enhancement and defect resolution.

  • Software Engineer, Java

    Pointwest Innovation Corporation · 2018 — 2018
    Performed backend development and debugging for the Gate Monitor Suite, including database operations for CRUD functionality.

  • Training: Java Development Training

    null · 2015 — 2016
    Completed Java software development training focused on object-oriented programming and application development fundamentals.

Skills & Expertise

German (Fluent)Backend DeveloperFull Stack Developer

Education

  • Bachelor of Science in Electronics Engineering
    Technological University of the Philippines – Ermita, Manila · — — 2015
  • Electronic Communication Engineering Technology
    Technological University of the Philippines – Ermita, Manila · — — 2012