01
Enterprise
WordPress Developer
Unbounce
ACF architecture overhaul, CPT development, and performance optimisation for a leading SaaS landing page platform used by 120,000+ marketers.
WordPressACF ProPHPPerformance
Open To WorkTamil Nadu, India · 2026
Abinesh Selvarasu — Senior WordPress Developer & Full Stack Engineer
Role & Experience
Senior WordPress Developer & Full Stack Engineer
3+ Years Experience
Specialises in
Custom WordPress Architecture, Headless CMS, Core Web Vitals & Performance Engineering.
About me
Building the web,
one commit at a time.
I'm Abinesh Selvarasu — a Senior WordPress Developer and Full Stack Engineer based in Tamil Nadu, India. With 3+ years delivering production-grade web platforms for global enterprise clients, I specialise in custom CMS architecture, headless WordPress solutions, and performance engineering.
Day-to-day: architecting scalable CMS components with ACF Pro and Gutenberg, integrating REST & GraphQL APIs, and solving the complex Core Web Vitals and technical SEO challenges that keep platforms fast, secure, and accessible.
Core Technical Stack
WordPress CustomizationCustom ThemesCustom HooksTechnical SEOMySQLACF ProPHPCore Web VitalsHeadless WPGutenberg BlocksWPGraphQLCraft CMSDrupalJavaScriptTailwind CSSFigma to Code
“Fast websites shouldn't be a premium feature — they should be the baseline.”
Career Roadmap
My journey.
Continuous engineering growth — from Web Developer to Senior WordPress Developer and Full Stack Engineer.
+○×○+×
ROADMAP
Bachelor of Engineering in Computer Science — foundations in software engineering, algorithms, databases, and web architecture.
- ✓Graduated with CGPA 7.04 / 10
- ✓Data Structures & Algorithm Complexity
- ✓Relational Database Management (SQL)
AlgorithmsData StructuresC++JavaSQLJoined FueInt Technologies, Coimbatore — customised WordPress themes, built responsive interfaces, and resolved production bugs.
- ✓Mastered WordPress theme hierarchy & hooks
- ✓Mobile-first responsive UI implementations
- ✓Git version control in production sprints
WordPressHTML5CSS3PHPGitBuilt custom WordPress themes and plugins from Figma across 20+ international client sites in Agile/Scrum teams.
- ✓Custom themes & plugins for 20+ client sites
- ✓Reusable Gutenberg & ACF Pro components (~25% faster delivery)
- ✓JSON-LD schemas lifting organic CTR by ~15%
WordPressPHPGutenbergACF ProJSON-LDFigmaLed enterprise CMS delivery across WordPress, Drupal, and Craft CMS for Unbounce, Open Government Partnership, ElasticPath, and PBC.
- ✓Bespoke Gutenberg block suite for Unbounce (React)
- ✓~30% LCP reduction & 1,700+ URL sitemap fix
- ✓PHP 7.4 → 8.x upgrades for OGP, PBC & ElasticPath
WordPressDrupalCraft CMSReactCore Web VitalsPantheonWith 3 years 10 months of professional experience, ready to lead CMS architecture, headless WordPress, and performance-critical frontends.
- ✓3 years 10 months of professional experience
- ✓Available for full-time senior developer positions
- ✓Specialized in CMS architecture & Core Web Vitals
- ✓Global remote collaboration experience
WordPressNext.jsReactTypeScriptSEO
Technical Stack
Skills & tools.
Technologies I use to architect, build, and ship production-grade web products.
Core Skills
Tools & Performance
Selected Work
Featured projects.
Enterprise platforms, headless CMS builds, and independent full-stack applications.
Enterprise experience
Delivered under FueInt Technologies via Dialed In Design (Canada). All trademarks belong to their respective owners.
02
Enterprise
WordPress Developer
Intiveo
Custom WordPress components, interactive element integrations, and conversion flow optimisation for a patient communication SaaS.
WordPressPHPJavaScriptACF Pro
03
Enterprise
WordPress Developer
Open Gov Week
Custom CMS and taxonomy architecture for a major international open government event platform.
WordPressACF ProCPTREST API
04
Enterprise
WordPress Developer
Insightly
Marketing site optimisation, Gutenberg blocks, and CRM form integrations for a popular CRM platform website.
WordPressPHPACF ProCRM Integration
05
Enterprise
WordPress Developer
PPIC
Custom theme development, complex block architectures, and content migrations for a leading policy research and analysis center.
WordPressPHPACF ProCSS
06
Enterprise
WordPress Developer
Open Government Partnership
Large-scale CMS and Custom Post Type architecture for an international initiative spanning 75+ governments and millions of annual visitors.
WordPressACF ProCPTREST API
07
Enterprise
WordPress Developer
Loopio
Marketing website architecture, ACF modular layouts, and performance tuning for a leading RFP response software platform.
WordPressPHPACF ProWebpack
08
Enterprise
WordPress Developer
Traction Complete
ACF architecture, performance improvements, and custom plugin development for a Salesforce-native data management SaaS.
WordPressACF ProPHPPlugin Dev
09
Enterprise
Craft CMS Developer
ElasticPath
Full WCAG accessibility compliance and Core Web Vitals optimisation for an enterprise headless commerce platform with global reach.
Craft CMSWCAGPerformanceSEO
10
Enterprise
Drupal Developer
Premier Boxing Champions
Security hardening and performance work for a major US boxing promoter, including live fight-night features built to handle peak concurrency.
DrupalPHPSecurityPerformance
11
Enterprise
Drupal Developer
DialedIn
Developed and maintained a Drupal-based website for a cloud contact center platform, focusing on custom features, performance improvements, and ongoing site maintenance.
DrupalPHPJavaScriptPerformance
12
Internal Project
Next.js Developer
FUEiNT
Rebuilt the company website in Next.js, improving performance, modernising the UI, and creating a scalable codebase for future growth.
Next.jsReactTypeScriptTailwind CSS
13
Internal Project
React Developer
Andaman Guru & Package
Migrated a legacy WordPress website to React/Next.js to modernise performance and user experience.
Next.jsReactTailwind
14
Internal Project
Mobile App Developer
Siswa
A cross-platform mobile application for student collaboration, academic tracking, and real-time notifications.
FlutterFirebaseDartState Management
15
Internal Project
Next.js Developer
Naicee
A platform dedicated to preserving native Tamil Nadu dog breeds — multilingual support, breed search filters, adopt workflows, and optimised image galleries.
Next.jsReactTailwind
16
Internal Project
Web Platform
Parithadam
E-commerce platform for 100% natural honey, traditional snacks, and chemical-free rice — with Nodemailer-based order notifications.
Next.js 15ReactTailwindNodemailer
Independent Builds
Client & utility builds shipped under Gradiolex — highlighting custom web development and Next.js architecture.
01
Freelance Client
Full Stack Developer
NaviCakes
Local bakery website with custom ordering, gallery, and brand identity — pixel-perfect from Figma to code.
Next.jsReactTailwindVercel
02
Freelance Client
WordPress Developer
Sri Dhanamoorthy Traders
B2B wholesale cement and steel trader website with product catalogue and trade enquiry flows.
WordPressACFPantheon
03
Utility Tool
Full Stack Developer
MySupportInfo
A customer support portal designed to centralise ticketing, knowledge base, and user communication for growing businesses.
Next.jsReactTailwindVercel
04
WP Plugin
WordPress Plugin Author
WP SVG Engine
Published on WordPress.org — enables safe SVG & SVGZ uploads with automated DOM sanitization, Media Library preview fixes, dimension detection, and fast client-side inlining.
PHPWordPressSVGDOM Sanitization
View on WordPress.org05
WP Plugin
WordPress Plugin Author
ClickReach – Social Share Buttons & Counter
Published on WordPress.org — lightweight, privacy-friendly social sharing buttons with live click counters, zero bloat, pure inline SVGs, and Core Web Vitals friendly performance.
WordPressPHPJavaScriptREST API
View on WordPress.orgPublications
