Jonathan Sayaboc
Application / Web Developer
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About
Highly analytical Application Systems Engineer with over 8 years of professional experience designing, developing, and deploying robust web applications. Proficient across the full software development lifecycle (SDLC), featuring deep technical expertise in Java (Spring/Spring Boot), TypeScript, and modern frontend frameworks (Angular/React). Proven track record of translating complex technical specifications into high-performing, scalable backend logic and responsive user interfaces within Agile team environments.
Experience
Senior Analyst at Accenture (2025-01 – Present)
- API & Core Development: Scaled corporate application features by translating complex technical pseudocode and functional designs into modular, maintainable Java application components.
- Frontend Optimization: Engineered and optimized responsive, reusable user interface components using Angular and TypeScript, driving a consistent and fluid user experience.
- Data Processing: Designed, implemented, and supported high-volume batch processing jobs to ensure accurate, time-sensitive background calculations.
- Quality Assurance: Autored and maintained comprehensive unit test cases using JUnit to maximize application stability, code coverage, and regression prevention.
- CI/CD & Version Control: Managed branching strategies, commits, and pull requests within Azure DevOps and Git repositories to maintain a clean source configuration.
- Team Leadership & Agile Collaboration: Orchestrated detailed code reviews for team web-related pull requests to enforce coding standards, and actively collaborated in daily Agile stand-ups to eliminate sprint blockers.
Application Systems Engineer at Weserv Systems International Inc. (2017-01 – 2025-01)
- Full-Stack Architecture: Spearheaded end-to-end development of dynamic web features using a split architecture of Spring Boot microservices and React/Redux/TypeScript frontends.
- Database Engineering: Designed optimized relational database schemas and complex SQL queries via MyBatis and Hibernate ORM layers to accelerate data processing workflows.
- Testing Automation: Built out mock servers and temporary API endpoints to unblock concurrent frontend development and parallel end-to-end testing verification.
- Process Automation: Developed custom VBA automation scripts and data computation engines that automated reporting structures and template generations, reducing manual processing time.
- Code Governance: Implemented explicit code formatting and quality gates using TSLint and Prettier across frontend teams to maximize codebase maintainability.
- Project Coordination: Formulated comprehensive Work Breakdown Structures (WBS) and leveraged Redmine to align core requirements between QA, development, and business management teams.
Education
Bachelor of Science in Information Technology (BSIT) in Information Technology – University of Cebu – Main Campus (2012-01 – 2016-01)

