Building High-Performance
Web Systems
for Modern Businesses
Experienced Fullstack Web Developer with 10+ years building scalable web applications, CMS platforms, SEO-focused systems, and high-performance digital products.
Crafting digital
experiences
that convert.
I’m Elva Hadi Prajatama, a Fullstack Web Developer based in Bali, Indonesia. With over a decade of experience, I specialise in building scalable web applications, SEO-optimised platforms, and high-performance digital systems.
I combine deep technical expertise with a business-first mindset — every system I build is designed for performance, maintainability, and measurable business impact.
What I Build
End-to-end digital solutions engineered for performance, scalability, and business impact.
Custom Web Application Development
Full-cycle development of scalable, high-performance web applications built for long-term growth and maintainability.
Company Profile Websites
Professional, conversion-optimised company websites that build trust and drive measurable business results.
CMS Development
Custom content management systems tailored to your editorial workflow, team structure, and content strategy.
Booking System Development
Robust, real-time reservation systems designed for hospitality, tours, and service-based businesses.
SEO Optimization
Technical SEO audits, Core Web Vitals optimization, and strategy implementation for maximum organic visibility.
Performance Optimization
Load time reduction, Lighthouse score improvements, and front-to-back performance engineering.
Backend & API Development
RESTful APIs, authentication systems, and robust backend services built with Golang and Laravel.
10+ Years of
Building
From early-stage startups to international product companies — building systems that scale.
Bookandlink by Tripla
Current- Developed Review Management frontend/backend systems using Next.js, Tailwind CSS, Golang, and RabbitMQ
- Built and maintained Webku CMS with Laravel and React.js
- Optimised booking engine for SEO visibility and conversion rate improvements
- Conducted code reviews and maintained scalability and performance standards
Awesome Bali Cycling Tours
- Designed and developed responsive, high-converting business websites
- Implemented technical SEO strategies that significantly improved search rankings
- Optimised conversion funnels and landing pages for measurable ROI
- Managed Google Analytics, keyword research, and content strategy
Bali Bintang Tour
- End-to-end website development and ongoing technical maintenance
- Technical SEO optimisation including schema markup, site speed, and crawlability
- Performance engineering and Core Web Vitals improvements
- Security audits, backups, and infrastructure management
Tools of the Craft
A curated toolkit for building modern, performant, and maintainable digital systems.
Built for Results
10+ Years of Proven Experience
Deep expertise forged across startups, agencies, and international product companies over more than a decade.
Scalable Architecture Mindset
Every system is designed to grow — from MVP to enterprise scale — without costly rewrites.
SEO-Focused Engineering
Technical SEO is woven into the development process, not bolted on afterward.
Performance as a Feature
Sub-second load times and optimised Core Web Vitals are non-negotiable deliverables.
Clean, Maintainable Code
Code that future developers — and future you — will appreciate: clear, tested, and well-structured.
Business-Oriented Development
Technical decisions are always grounded in business value, user experience, and measurable outcomes.
Let’s Build Something
Exceptional
Helping startups and businesses build scalable, high-performance digital products that drive real business results.