CSI GLOBAL LTD
WordPress Senior SME Principal Engineer

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WordPress Senior SME Principal Engineer
Sheffield - UK
Hybrid to office.
Hiring type - Sub con
Proficient
- HTML/CSS/Sass
- JavaScript
- React
- PHP
- WordPress Gutenberg Editor Block Query Editor Experience mandatory
- MySQL
Candidate preferably should be from Agency background
Experience
8 to 12 Years
Preferred Background
- Candidates from Digital Agencies, Creative Agencies, Marketing Technology Firms, Digital Consulting Organizations.
- Enterprise CMS Programs or Global Capability Centers (GCCs) are highly preferred.
- Strong experience delivering large-scale content-rich enterprise websites and digital experience platforms is essential.
Role Overview
We are seeking a highly experienced Senior SME Principal Engineer WordPress to lead the architecture design and development of enterprise-grade digital platforms built on WordPress.
The ideal candidate will possess deep expertise in WordPress Gutenberg development, React, PHP, JavaScript, MySQL, and modern frontend technologies with proven experience building scalable, secure, and high-performance websites for global organizations. This role requires hands-on technical leadership, architecture ownership, stakeholder engagement, and the ability to drive modernization initiatives across content management ecosystems.
Key Responsibilities
Architecture Technical Leadership
- Define and drive enterprise WordPress architecture and development standards
- Lead design and implementation of scalable, secure, and maintainable CMS solutions
- Establish best practices for WordPress development, code quality, performance, and security
- Conduct architecture reviews, code reviews, and technical governance sessions
- Create high-level and low-level solution designs
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
Start with a chat, not a search bar
Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.
Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
See breakdownIt searches the market for you
Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.
Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
WordPress Development
- Design and develop complex WordPress solutions using Gutenberg and Block Editor architecture
- Build custom Gutenberg blocks using React.js and JavaScript
- Develop reusable block libraries and component frameworks
- Extend WordPress core functionality through custom themes, plugins, and integrations
- Implement advanced content authoring experiences for business users
Gutenberg Block Editor Expertise Mandatory
- Develop custom Gutenberg blocks using React
- Customize block editor experiences and editorial workflows
- Implement dynamic and reusable content components
- Create custom block templates and block patterns
- Build scalable content management solutions leveraging modern WordPress architecture
FrontEnd Engineering
- Develop highly responsive and accessible user interfaces using:
- HTML5
- CSS3
- Sass
- JavaScript
- React.js
- Ensure WCAG accessibility compliance
- Optimize user experience across desktop, tablet, and mobile platforms
- Implement modern design systems and component-driven development approaches
Backend Development
- Develop robust backend functionality using PHP
- Build custom WordPress plugins and integrations
- Develop REST APIs and headless CMS capabilities
- Implement authentication, authorization, and security controls
- Ensure maintainability and scalability of backend systems


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Database Performance Optimization
- Design and optimize MySQL database structures
- Improve application performance through caching strategies and query optimization
- Implement CDN integrations and performance monitoring solutions
- Ensure website scalability under high traffic conditions
Integration Enterprise Connectivity
- Integrate WordPress with:
- CRM platforms
- Marketing Automation tools
- Analytics platforms
- Personalization engines
- DAM (Digital Asset Management) systems
- Third-party APIs
- Support headless and hybrid CMS architectures
Required Skills
WordPress
- Expert-level WordPress development experience
- Deep expertise in Gutenberg Editor Block Editor development
- Custom Theme Development
- Custom Plugin Development
- WordPress REST API
- Headless WordPress Architecture
FrontEnd Technologies
- HTML5
- CSS3
- Sass/SCSS
- JavaScript ES6
- React.js
- Responsive Design
- Cross-browser Compatibility
Backend Technologies
- PHP 7.8
- OOP Concepts
- MVC Architecture
- API Development
- Microservices Integration
Database
- MySQL
- Database Design
- Query Optimization
- Performance Tuning
DevOps Engineering Practices
- Git
- CI/CD Pipelines
- Automated Testing
- Code Quality Tools
- Performance Monitoring
- Security Best Practices
Skills
- Mandatory Skills: HTML/HTML5, JavaScript, MySQL, PHP, React Native
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