Skip to content
John

Career proof

Experience

Roles since 2022 — what was owned, which domains, and which technologies carried the work. Summaries are concise; case studies carry the depth.

  1. Contributing to an enterprise GRC/compliance platform used by financial institutions — focused on Excel bulk-import workflows, backend validation against production constraints, and data integrity for compliance-critical asset records.

    • Built a bulk-import Excel workbook system for Business Application and Source asset types
    • Implemented backend validation against production environment data and user-pool constraints
    • Iterated correction cycles with the backend team to align imports with system rules
    • Debugged validation mismatches with API/backend engineers to protect compliance-critical records
    • Backend validation
    • Excel import
    • Enterprise SaaS
    • Data integrity
    • APIs

  2. Built and maintained Java-based automation and validation tooling in Jenkins CI/CD pipelines, supporting release verification across distributed enterprise environments.

    • Built and maintained Java automation and validation tooling integrated into Jenkins CI/CD for release verification
    • Investigated production and pre-release defects through root-cause analysis with development teams
    • Contributed to build pipeline monitoring and release validation workflows within Git branching strategies
    • Collaborated with Dev and Product through the SDLC in Agile teams, turning requirements into structured test and validation plans
    • Java
    • Jenkins
    • CI/CD
    • Git
    • Agile/Scrum

  3. Built and deployed React.js and Spring Boot applications in a microservices architecture, with REST APIs for web/mobile clients and MySQL performance work under Agile delivery.

    • Built and deployed web applications with React.js and Spring Boot, oriented toward scalable microservices
    • Designed and implemented REST APIs consumed by frontend and mobile clients, including third-party integrations for real-time features
    • Improved backend throughput by optimizing data structures and MySQL query execution plans
    • Collaborated with Tech Leads on architecture planning and sprint estimation; participated in code reviews
    • React.js
    • Spring Boot
    • Java
    • REST APIs
    • Microservices
    • MySQL
    • Agile

  4. Shipped React Native features with REST integration and UI performance work across Android and iOS in Agile sprints.

    • Developed and shipped mobile features with React Native, integrating REST APIs
    • Optimized UI performance across Android and iOS
    • Delivered on schedule in Agile sprints with backend and design partners under evolving requirements
    • React Native
    • REST APIs
    • Android
    • iOS
    • Agile

  5. Foundation of the engineering journey — responsive React UIs, reusable components, REST integration, and full-SDLC contribution from design through deployment and code reviews.

    • Built responsive UIs in React.js with reusable components and state management
    • Integrated backend REST APIs into client surfaces
    • Contributed across the SDLC from design through deployment
    • Participated in code reviews and maintained a clean, maintainable codebase
    • React.js
    • JavaScript
    • REST APIs
    • SDLC
    • Git
    • Code reviews
Get in touch