Web / CMS Engineer

We are looking for a Senior PHP WordPress Developer with strong experience in custom WordPress development and modern PHP practices. You will contribute to the development and evolution of WordPress-based solutions, working on complex functionality, performance improvements, code quality, and long-term platform maintainability while collaborating with cross-functional teams.

Required for this role

• 5+ years of experience in WordPress development, including work with complex and high-traffic websites
• Strong knowledge of PHP, JavaScript, HTML, CSS, MySQL, and WordPress architecture
• Extensive experience with WordPress CMS, including theme and plugin development, customization, and optimization
• Experience with GraphQL, Next.js, Composer, Advanced Custom Fields (ACF), and Gutenberg
• Proven experience in WordPress performance optimization, troubleshooting, and production support
• Strong understanding of Core Web Vitals (LCP, INP, CLS), Google PageSpeed Insights, and Lighthouse
• Hands-on experience with Google Tag Manager (GTM) and optimization of third-party scripts
• Practical experience with Nginx, caching strategies, CDN usage, image optimization, lazy loading, and database optimization
• Understanding of Google Cloud Platform (GCP) environments, Web Application Firewall (WAF) configurations, technical SEO, and tools such as Ahrefs
• Strong expertise in OOP, SOLID principles, root cause analysis, technical decision-making, mentoring engineers, and cross-functional collaboration

Your responsibilities

• Lead WordPress development activities, provide technical guidance, and ensure high code quality.
• Analyze and optimize website performance, focusing on Google PageSpeed Insights, Core Web Vitals, and defined performance KPIs.
• Identify and resolve performance bottlenecks across the frontend, backend, database, and infrastructure.
• Optimize WordPress themes, plugins, caching mechanisms, and database performance.
• Work with Google Tag Manager (GTM) to ensure efficient tracking implementation while minimizing its impact on website performance.
• Configure, troubleshoot, and optimize Nginx for performance, caching, and stability.
• Collaborate with DevOps engineers on infrastructure optimization within Google Cloud Platform (GCP).
• Work with Web Application Firewall (WAF) configurations to maintain website security without negatively impacting performance.
• Collaborate with SEO specialists and use Ahrefs and other SEO tools to identify and address technical SEO issues.
• Lead technical investigations, propose solutions, and drive implementation of performance improvements.
• Work closely with QA engineers to validate changes and prevent regressions.
• Collaborate with the Marketing team to align technical improvements with business objectives and website requirements.
• Establish development best practices, conduct code reviews, and manage technical debt.
• Monitor website performance, track progress against KPIs, and continuously improve website stability and speed.

What you get

Your time off

• 18 paid vacation days and 10 paid sick days annually
• 10 Ukrainian public holidays
• Maternity and paternity leaves
• Marriage and Parenthood Package
• Additional leave for major life events
• Sabbatical leave opportunities

Learning & growth

• Sombra University workshops and internal learning programs
• Tech Communities and knowledge sharing sessions
• Language courses and workshops
• Mentorship opportunities

Health & well-being

• Sports compensation or health insurance coverage
• Participation in races and marathons
• Corporate doctor (telemedicine)
• Well-being initiatives and workshops

And even more

• Company-provided technical equipment
• PE administration and tax support
• Internal referral program
• IT Club loyalty program
• Company events and volunteering initiatives

Before you apply

Our recruitment team will carefully review your profile, and if we see a good match with the role, we’ll reach out to you shortly.

If you don’t hear from us within 5 business days, it means we’ve decided to continue the process with other candidates for this position. Thanks for understanding.

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