Jaini Guevara

Application Development Manager · AI Specialist · AI Agentic Engineering

18+ years in software and system design Hong Kong

jaini.guevara@gmail.com LinkedIn: linkedin.com/in/jainiguevara +852 5434 1775 (mobile and WhatsApp)

Jaini Guevara, smiling, in a dark suit with arms crossed

Impact in numbers

  • 18+ years building software, since 2008
  • 10+ years leading development teams
  • 8 people led as project director, on my largest team

Experience

From web developer to leading application development across casino, resort and cruise operations in Manila and Hong Kong.

  1. Building AI agents, processes and workflows

    Personal

    Designing my own AI agents and agentic coding workflows on off days, with Claude Code, Kimi and Perplexity.

  2. Manager, Application Development

    Melco Resorts & Entertainment · Hong Kong

    Leads full-stack delivery in JavaScript, Java and MongoDB. Owns solution architecture, technical planning, project and resource management, and business engagement.

  3. Software Engineer

    Optimum Solutions (Hong Kong) · assigned to Melco

    Full-stack development in JavaScript, Java and MongoDB, working with Agile and DevOps practices.

  4. Web Developer

    Trackland · remote

    An early adopter of remote web development, building with React, Redux and Node.js.

  5. Head, Systems Development and Support

    Leisure and Resorts World Corporation · Manila

    Led development, architecture and support for all corporate and gaming core systems.

  6. Assistant Vice President, Casino Portfolio

    Star Cruises (Genting Hong Kong)

    Ran the IT casino support and application development portfolios, from planning to delivery.

  7. Senior Manager, Application Development

    City of Dreams Manila (Melco Resorts & Entertainment)

    Led projects, architecture and planning. Helped implement a global gaming and entertainment management platform.

  8. Manager, Application Development

    City of Dreams Manila (Melco Resorts & Entertainment)

    Implemented and supported the CRM, enterprise data warehouse, company intranet and in-house employee apps.

  9. Assistant Manager, Software Development

    Resorts World Manila (Genting Hong Kong)

    First management role: project and resource management, solution architecture and business engagement.

  10. Supervisor, Casino Systems

    Resorts World Manila (Genting Hong Kong)

    Application development, solution architecture and technical planning for casino systems.

  11. Junior Engineer, Casino Systems

    Resorts World Manila (Genting Hong Kong)

    Technical support and application development for casino systems.

  12. Web Developer

    Bell Telecommunication Philippines

    Web development and design, plus the company's marketing materials.

Selected projects

What changed because the system shipped.

  • 2h → 30 mintournament registration time

    Cut baccarat tournament registration from 2 hours to 30 minutes.

    Baccarat Tournament Manager · Resorts World Manila · project manager and developer, solo

    • .NET
    • ASP.NET
    • MS SQL

  • ~30 / monthpromotions and events

    Kept around 30 promotions and events running every month.

    Promotions apps and CMS · Resorts World Manila · project manager and developer, team of 3

    • .NET
    • ASP.NET
    • MS SQL

  • 3 regionsone system, live in 6 months

    One appraisal system for every department across three regions, live in 6 months.

    Multi-region employee appraisal system · Melco · senior manager and developer, team of 6

    • Node.js
    • LoopBack
    • Angular / React
    • MySQL

  • 3 monthsto one global staging warehouse

    Brought core system transactions into one global staging warehouse in 3 months.

    Super Warehouse staging environment · Star Cruises · project director, team of 8

    • MS SQL
    • SSIS

  • Team of 8led as project director

    Gave staff self-service for HR and payroll in one system.

    HRIS payroll module · Leisure and Resorts World · project director, team of 8

    • DevOps practices

  • 10+ peopleglobal team size

    Built single sign-on for a global gaming and entertainment management platform.

    Global platform delivery · Melco · developer on a 10+ person global team

    • C#.NET
    • WPF
    • MS SQL

Skills

AI
Claude Code with Anthropic and Kimi, GitHub Copilot, Claude.ai, Kimi.ai, Perplexity. Builds own AI agents and workflows.
Languages and frameworks
JavaScript and Node.js, TypeScript, Angular 18+, Java, Spring Boot
Data and infra
MongoDB, Microsoft SQL Server, Docker, Kubernetes
Testing
Mocha, Jest, Selenium
Process
Agile, DevOps, Lean, microservices, ITIL Foundation, Jira, Confluence, GitLab, Bitbucket
Management
Product and project management, business engagement, coaching, performance management, incident and change management

Education and training

  • 2004 to 2008

    BS Information Technology

    Colegio de San Juan de Letran · Best Thesis award

  • 2017 & 2026

    DDI Leadership Development

    Essentials of Leadership, Coaching for Success, Coaching for Improvement, Managing Performance Problems

Community and interests

  • Ministry

    CCF Hong Kong - Tung Chung

    Christ's Commission Fellowship

    • DGroup leader: leads a small discipleship group.
    • Movement Ministry: lead, men's ministry.
    • Exalt Ministry: member, praise and worship music ministry.
  • Personal

    Surfing

Hiring for an engineering leader? Let's talk.