Jazelle Mae Toledo-De Guzman

Senior Full Stack Web Developer

Jazelle Mae Toledo-De Guzman

Full Stack Developer with 9+ years building and maintaining production web applications across government, enterprise, and private-sector environments. Deep expertise in PHP, C#, and modern JavaScript frameworks (TypeScript, Angular, Vue.js), with a track record of designing systems that improve accuracy, cut manual effort, and keep operations running under real-world load — from POS synchronization and tax logic for restaurants operating within a senior living community to recruitment and disaster-response systems used in a Philippine government agency. Comfortable owning a feature end-to-end: database design, RESTful APIs, front-end delivery, and CI/CD.

Currently
Full Stack Developer, Boundless Limousine
Experience
9+ years, since 2016
Education
BS Information Technology, Saint Louis University

Experience

– Present Now

Boundless Limousine

Full Stack Developer

Driver mobile app

Built driver-facing mobile app screens in Flutter based on provided design and photo frameworks, translating static mockups into functional, cross-platform UI delivered to production.

  • Flutter
  • Dart

Customer booking portal

Enhanced the customer-facing booking portal, refining UX flows and adding features that improved the booking completion rate by 40%.

  • Laravel
  • PHP

–

ServingIntel

Software Engineer

Point-of-sale systems for restaurants operating within a senior living community.

Cloud and local POS synchronization

Engineered real-time data synchronization between cloud and local POS databases across on-site restaurants, eliminating manual reconciliation and reducing sync-related data errors by 75%.

Manual and meal plan-based discounts

Designed and implemented discount logic for manual and meal plan-based pricing, supporting residents' dining and meal-plan billing structures across 8 pricing rule types.

  • SQL Server
  • C#
  • ASP.NET Core Web API
  • TypeScript
  • Angular
  • HTML5
  • CSS3
  • Microsoft Azure
Point-of-sale check where a meal plan discounts a dessert and a drink by 100%, bringing the total to $0.00.
A meal plan discounts both items 100%.

Item-based tax with exemptions

Built item-based tax handling with exemption logic based on meal type, order type and item setup, ensuring compliant, accurate tax calculations across all revenue centers and dining venues within the community.

  • SQL Server
  • C#
  • ASP.NET Core Web API
  • TypeScript
  • Angular
  • HTML5
  • CSS3
  • Microsoft Azure
Guest check with two beers, showing a tax total of $0.82.
A guest order: tax applies ($0.82).
Resident breakfast check with the same two beers, showing a tax total of $0.00.
The same drinks with a resident breakfast: no tax.

Kitchen printer routing

Built configurable printer-routing logic that directed orders to the correct kitchen stations (hot, cold, bar) based on item setup, including items requiring multi-station routing, reducing kitchen delays and improving order accuracy. Also automated printing of customers' dietary restrictions and the allergens in what they ordered.

  • SQL Server
  • C#
  • ASP.NET Core Web API
  • TypeScript
  • Angular
  • HTML5
  • CSS3
Printed ticket for the cold station listing the customer's allergens, dairy and gluten, with 'No dairy' and 'No gluten' printed under the dessert.
A cold-station ticket with the customer's allergens.
Two printed kitchen tickets from the same order, one for the food and one for the drink.
One order, routed to separate stations.

Automatic gratuity

Automated gratuity computation based on revenue center and order type, removing manual calculation errors across all sites.

  • SQL Server
  • C#
  • ASP.NET Core Web API
  • TypeScript
  • Angular
  • HTML5
  • CSS3
Auto gratuity settings form: a 20% rule for dine-in orders at one revenue center, with tax options and a calculation method.
A 20% rule for dine-in orders at one revenue center.
Order type picker with Dine In, Delivery, Pick Up and Non Dining.
Choosing the order type when a check starts.

–

Department of Social Welfare and Development – CAR

Computer Programmer

Government agency, Cordillera Administrative Region.

HRMIS recruitment system

Developed scheduling, exam, and interview modules for the agency's HRMIS recruitment system, reducing recruitment processing time by 40%. Applicants apply for vacancies online, HR sees each position's applicants with their qualifications, technical exams are scored automatically, and panelists rate applicants in the system.

  • MySQL
  • CodeIgniter
  • Vue.js
  • Bootstrap
  • HTML
  • CSS
  • Git
car.dswd.gov.ph/jobs ↗
Public jobs page listing DSWD-CAR vacancies with positions, places of assignment and submission deadlines.
Public job listings.
Online job application form with personal information fields.
The online application form.
HR vacancy list table with status labels and actions for each position.
HR's vacancy list.
Exam builder for a technical exam, with multiple-choice questions, answers and the correct answer marked.
Building a multiple-choice technical exam.

Recruitment pooling and name matching

Built a recruitment pooling and name-matching module that reduced duplicate applicant records by 60%, improving beneficiary data accuracy.

  • MySQL
  • CodeIgniter
  • Vue.js
  • Bootstrap
  • HTML
  • CSS
  • Git

Beneficiary data management

Fetching, filtering, importing and exporting beneficiaries' data, with duplicate validation, masterlist export, certifications and certification lists, payroll generation and a reports module.

  • MySQL
  • CodeIgniter
  • Vue.js
  • Bootstrap
  • HTML
  • CSS
  • Git
Sign-in page of the Social Amelioration Card Information System.
Social Amelioration Card Information System.
Payroll screen summarising eligible beneficiaries, waitlist and tranche payments by province and municipality.
Payroll summary by municipality.
Masterlist export form with province, municipality, household and export type filters.
Masterlist export.
Report comparing targets with paid, unpaid and ineligible beneficiaries, physically and financially.
Reports: targets against paid and unpaid, in people and in pesos.

DROMIC production monitoring

Developed production monitoring dashboards for the DROMIC disaster-response information system, significantly cutting reporting turnaround time during active disaster events. They show current stocks of family food packs per production hub and production per person per hub, in a spreadsheet-style interface its users already knew.

  • MySQL
  • CodeIgniter
  • Vue.js
  • Bootstrap
  • HTML
  • CSS
  • Git
DROMIC report laid out like a spreadsheet, with colour-coded columns of affected families and evacuation data.
A spreadsheet-style DROMIC report.
Production monitoring summary listing warehouses with produced, released and available stock.
Production monitoring per hub.

Public website

Maintained and enhanced the agency's public WordPress website, growing user engagement by 10%.

  • WordPress

–

DGoodman Corp

Freelance Web Developer (concurrent)

Find-A-Builder

Rebuilt a job-matching platform enabling builders to post jobs, showcase completed projects, and connect with clients, growing active users by 30%.

  • MySQL
  • Laravel
  • React
  • Tailwind CSS
  • HTML
  • CSS
  • Git
find-a-builder.com ↗
Find-A-Builder home page with 'Post a job' and 'Find a builder' tabs.
Post a job, or find a builder.
Directory results for a trade in one town, with filters and builder profiles.
Directory results by trade and town.

ERP and Balanced Scorecard

Delivered custom ERP and Balanced Scorecard platforms for a mid-sized enterprise client, streamlining organizational performance tracking and reporting. Features include a dynamic organizational chart, an e-approval (ticketing) module, project management with Gantt charts, and employee management across users, user levels and departments.

  • MySQL
  • CodeIgniter
  • jQuery
  • Bootstrap
  • HTML
  • CSS
  • Git
Sign-in screen of the ERP system.
Sign-in.
Organizational chart of positions, from owner down to teachers.
Dynamic organizational chart.
Project list with planned progress, actual progress and the difference for each project.
Projects, planned against actual progress.
Project Gantt chart showing tasks across weeks.
Project Gantt chart.

Other client solutions

Designed and deployed multiple scalable web solutions tailored to diverse client requirements, ensuring long-term maintainability and client satisfaction. Among them: customer management and billing for a water district (customer information, payments, billing ledger, adjustments and collections), and a self-assessment test that measures emotional states of depression, anxiety and stress.

  • MySQL
  • CodeIgniter
  • jQuery
  • Bootstrap
  • HTML
  • CSS

–

UTalk Tutorial Services

Software Application Developer

Beijing Bangnishuo Internet Education Technology Limited – Philippines, Baguio City.

Company websites

Developed and maintained the company's responsive Chinese and Philippine websites covering news, events, job vacancies, and testimonials, increasing site engagement by 60%.

  • MySQL
  • CodeIgniter
  • jQuery
  • Vue.js
  • Bootstrap
  • HTML
  • CSS
  • Git
utalkphil.com ↗
UTalk Philippines home page hero with an 'Apply now' button.
Home page.
'What's new' page with a news article about a Panagbenga Festival photo contest.
News and events.

Class booking system

Developed a booking system where classes are managed depending on the different types and states of lessons provided, enhancing scheduling efficiency and user experience by 30%.

  • MySQL
  • Weixin PHP Framework
  • jQuery
  • Vue.js
  • Bootstrap
  • HTML
  • CSS
  • TortoiseSVN

Skills

What I build with

Programming and scripting

  • PHP
  • C#
  • JavaScript
  • TypeScript
  • HTML5
  • CSS3
  • Dart

Frameworks and libraries

  • CodeIgniter
  • Laravel
  • ASP.NET Core
  • Angular
  • React
  • Vue.js
  • jQuery
  • Bootstrap
  • Tailwind CSS

API development

  • RESTful APIs
  • Third-party API integration (Google Maps API)
  • Cross-browser compatibility
  • Responsive design

Mobile development

  • Flutter
  • Riverpod state management

Databases

  • SQL Server
  • MySQL

DevOps and collaboration

  • Git
  • Azure DevOps Boards
  • Azure DevOps CI/CD
  • Trello

AI and productivity tools

  • ChatGPT
  • Claude
  • Copilot
  • Cursor IDE
  • OBS Studio
  • Adobe Photoshop
  • Microsoft Office

Credentials

Certifications and education

Certifications and trainings

  • C# Test, Top 25% TestDome
  • React Test, Top 10% TestDome
  • ServingIntel Apprenticeship Program ServingIntel
  • CI/CD Training Sahei Core Technologies
  • ISO 9001:2015 Internal Audit Quality Plus
  • Civil Service Professional Eligibility Philippines

Education

  • Bachelor of Science in Information Technology (BSIT) Saint Louis University, Baguio City · –

Contact

Let's talk

Have a web application to build, rebuild or keep running? Send me a message.