Senior WordPress Developer

Senior WordPress Developer Join Indigo Slate, a Zensar Company, dedicated to helping clients thrive in the complex digital world by building transformative experiences. We are a full-service human experience company, blending strategic consultancy, creative agency expertise, and technology thought leadership. About the Role We are seeking a highly experienced Senior WordPress Developer to lead the design, development, and optimization of scalable, high-performing WordPress sites. This critical role requires deep technical expertise, strong problem-solving skills, an eye for clean UX/UI, and excellent collaboration abilities across design, content, and marketing teams. The Senior WordPress Developer will own the full lifecycle of WordPress solutions, encompassing architecture, custom theme/plugin development, performance tuning, quality assurance (QA), and ongoing support. Responsibilities WordPress Development & Architecture Build, customize, and maintain robust WordPress sites using modern development practices. Develop custom themes and plugins from scratch, ensuring clean, secure, and maintainable code. Architect scalable solutions that integrate seamlessly with third-party APIs and services. Configure and manage WordPress environments (multisite, staging, production) and deployment processes. Technical Leadership Lead technical planning, solution design, and comprehensive code reviews. Advise on best practices for site performance, security, SEO, accessibility, and long‑term maintainability. Front‑End Engineering Implement responsive, mobile‑first UI/UX utilizing HTML5, CSS3, JavaScript (ES6+), and modern frameworks where appropriate. Collaborate closely with designers to accurately translate wireframes and prototypes into live experiences. Back‑End Engineering Build scalable custom functionality using PHP, MySQL, WP‑CLI, cron jobs, and REST APIs. Optimize database structure, caching strategies, and hosting configurations for maximum efficiency. Performance, Security & Optimization Conduct thorough site audits and implement improvements focusing on Core Web Vitals, caching, CDN usage, and image optimization. Harden security protocols and maintain compliance with industry standards (e.g., OWASP, GDPR). Troubleshoot complex technical issues and efficiently resolve production incidents. Collaboration & Documentation Partner with stakeholders across marketing, content, and design teams to accurately define project requirements. Prepare clear documentation, technical specifications, and comprehensive development guidelines. Provide ongoing site maintenance and support services. Required Qualifications 5–7+ years of professional WordPress development experience. Deep understanding of WordPress core, theme architecture, hooks, filters, and the template hierarchy. Strong proficiency in PHP, MySQL, JavaScript, jQuery, AJAX, and REST APIs. Experience with modern build tools (Webpack, Vite, Gulp, npm, etc.). Mastery of front‑end markup (HTML5/CSS3), responsive design principles, and cross‑browser compatibility. Strong experience with Git, CI/CD pipelines, version control workflows, and deployment processes. Familiarity with Gutenberg block development and Advanced Custom Fields (ACF). Ability to troubleshoot complex issues quickly and methodically. Experience working with performance tools such as Lighthouse, GTmetrix, and New Relic. Preferred Qualifications Experience with headless WordPress architectures (Next.js, React, GraphQL). Knowledge of hosting platforms (WP Engine, Kinsta, Pantheon, AWS). Experience integrating marketing systems (HubSpot, Marketo, Salesforce). Background in agency environments or high‑traffic / enterprise WordPress builds. Understanding of SEO, schema markup, and analytics implementation. Soft Skills Excellent communication and stakeholder‑management skills. Strong attention to detail and commitment to quality deliverables. Ability to lead initiatives independently while collaborating effectively within a team. Proactive problem‑solver with a willingness to innovate. Why Indigo Slate, a Zensar Company? We are technology enthusiasts focused on building strong relationships and fostering employee happiness. Our employee value proposition, GOAL (grow, own, achieve, learn), outlines the core opportunities we provide. We emphasize teamwork and collaboration across diverse and challenging technologies in industries including banking, financial services, high‑tech, manufacturing, healthcare, insurance, retail, and consumer services. Employees benefit from flexible work arrangements and a competitive benefits package, including medical, dental, vision, and 401(k). Important Information Zensar is an equal opportunity employer committed to diversity. All employment decisions are made without regard to protected characteristics. Zensar is committed to providing veteran employment opportunities and reasonable accommodations for people with disabilities or religious observances. Zensar does not facilitate or sponsor any work authorization for this position. All candidates must present valid authorization to commence new employment in the country for Zensar. Candidates currently employed by a client or vendor of Zensar may be ineligible for consideration. Zensar values your privacy. We use your data in accordance with our privacy statement located at: #J-18808-Ljbffr