Build • Modernize • Integrate

Custom Software & SaaS Development

I help startups and businesses build, modernize, and scale web applications, backend systems, and complex integrations.

SaaS Platforms Business Applications Payments & Scheduling API Integrations Application Modernization
workflow = {
  planning: "developer-led",
  delivery: "reviewable releases",
  stack: ["Rails", "JavaScript", "PostgreSQL"],
  focus: [
    "business workflows",
    "system integrations",
    "maintainable applications"
  ]
}

ship(workflow)
// define, build, verify
SaaS Subscriptions and customer workflows
Web Business tools and interfaces
API Payments, SaaS, automation
SaaS Development
Custom Software
Payments & Scheduling
API Integrations
Application Modernization
Services

Build, connect, and improve your software

Choose a starting point for your product or business. Ruby on Rails is my core backend specialization, alongside JavaScript, database work, and API integrations.

⚙️

SaaS Development

Focused first releases and ongoing improvements for subscription products, customer workflows, and product integrations.

  • MVP scope and core product workflows
  • Account access and subscription billing
  • Customer and admin interfaces
  • Product integrations and feature improvements
💻

Custom Software Development

Business web applications and internal tools shaped around your processes, with integrations that connect existing systems.

  • Operational tools and approval workflows
  • Role-based access and business rules
  • API connections and automation
  • Responsive interfaces for everyday work
🔧

Application Modernization

Maintain and improve an existing application through focused upgrades, performance investigation, and incremental changes.

  • Framework and dependency upgrades
  • Performance and reliability investigation
  • Targeted refactoring and integration repairs
  • Regression tests and maintenance planning
Selected Work

Featured projects

Real projects across SaaS platforms, e-commerce, corporate websites, booking and calendar systems, and hospitality platforms. Below are a few selected examples from a portfolio of dozens of projects delivered for businesses and startups.

CoachVantage project screenshot Live preview

CoachVantage

coachvantage.com

A coaching business platform with scheduling, invoicing, payments, CRM-style workflows, calendar integrations, and role-based business features.

Type: SaaS platform for coaches and coaching businesses
Focus: scheduling, payments, business operations, custom workflows
Contribution: full-stack product development, complex feature work, integrations, architecture improvements
Ruby on Rails Vue.js PostgreSQL Stripe Cronofy GraphQL
Bursa Malaysia project screenshot Live preview

Bursa Malaysia

bursamalaysia.com

A large corporate and financial website serving market information, company data, announcements, and structured content for a major exchange platform.

Type: enterprise / corporate financial website
Focus: structured content, performance, maintainability, front-end presentation
Contribution: web development and implementation work for a high-visibility production platform
Ruby JavaScript HTML / CSS CMS / Content Enterprise Web
Krabi Villas project screenshot Live preview

Krabi Villas

krabivillas.com

A hospitality and villa rental website designed to present property listings, destination content, and booking-focused pages in a clear, attractive format.

Type: hospitality / rental website
Focus: listings presentation, lead generation, travel-oriented UX
Contribution: website design and development focused on content structure and user engagement
Ruby on Rails JavaScript Responsive Design SEO Booking-focused UX
Why Work With Me

Engineering around your business workflows

The selected projects span SaaS operations, structured corporate content, and booking-focused interfaces. That work combines application logic, integrations, and the interfaces people use every day.

Connected product workflows

Scheduling, invoicing, payments, and role-based features connect customer actions with day-to-day business operations.

Integration experience

Payment, calendar, and API integration work brings external services into the application's business logic.

Useful interfaces

From corporate information to property listings and booking pages, content structure and responsive interfaces help people find what they need.

Focused application improvements

Feature work and architecture improvements are scoped around the existing system, with review and verification before release.

Process

How I work

Clear requirements, reviewable changes, and verification at each stage.

01

Discovery

We define goals, requirements, users, and the business problems the product needs to solve.

02

Planning

I define the scope, dependencies, and acceptance criteria. AI tools can support research and prototyping, with technical decisions and final code reviewed by me.

03

Build

I implement complete workflows in small steps, checking business rules, integration behavior, and changes to existing functionality.

04

Launch

Final testing, deployment, refinements, and support to make sure everything is ready for production.

Ready to start?

What does your software need to do next?

Discuss a new SaaS product, a business application, or improvements to an existing system. We can define a practical next step around your goals and constraints.

Discuss Your Project
Contact

Tell me about your project

Share what you need to build, improve, or launch.

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