Technical SEO & Web Performance Lead

Growth Resourcing; Umhlanga Rocks; On-site; ZAR 1,309,000 - 1,964,000; Full time

Job summary

Growth Resourcing is helping a UK-based B2B technology provider to appoint a highly technical SEO & Web Performance Specialist. You will own the website’s technical SEO, improve Core Web Vitals, and enhance organic search performance while working with an external development partner to implement changes.

You will diagnose, fix page speed, mobile performance, and scripts, and lead audits of crawling, indexing and rendering.

Qualifications

• 4+ years of technical SEO experience.
• Strong understanding of how websites work technically.
• Proven experience improving Core Web Vitals and website performance.
• Strong knowledge of HTML, CSS, and JavaScript.
• Solid understanding of crawling, indexing, and rendering.
• Hands‑on experience with Google Search Console, Google Analytics, PageSpeed Insights, Lighthouse, and Chrome DevTools.
• Experience diagnosing and resolving website performance issues.
• Experience working directly with web developers.
• Excellent analytical, problem‑solving, and communication skills.
• Ability to explain technical issues clearly to both technical and non‑technical audiences.

Responsibilities

• Own the technical SEO strategy and website performance.
• Improve Core Web Vitals, LCP, INP and CLS.
• Diagnose and optimise page speed, mobile performance, images, scripts and other website resources.
• Assess the performance impact of third‑party scripts.
• Conduct technical SEO audits and monitor crawling, indexing and rendering.
• Manage site architecture, internal linking, redirects, canonicalisation, robots.txt and XML sitemaps.
• Implement and validate structured data/schema.
• Identify and resolve JavaScript and other technical issues affecting organic search performance.
• Provide technical SEO input for website changes, redesigns and new development.
• Use Google Search Console, Google Analytics, PageSpeed Insights, Lighthouse and Chrome DevTools.
• Set performance benchmarks and report measurable improvements.
• Act as the technical SEO owner with external development partner.
• Translate problems into actionable developer requirements.
• Review solutions and verify issue resolution.

Skills

Technical SEO

Core Web Vitals

Website performance

HTML/CSS/JS

GSC / GA / PSI / Lighthouse

DevTools

External partner management

Crawling/Indexing/Rendering

React/Next.js knowledge

WordPress / CMS

Python/SQL basics

Tools

Screaming Frog

Ahrefs

Semrush

Git/GitHub

Cloudflare

Job description

Our client is an established UK-based B2B technology provider, delivering mobile, VoIP, cloud, connectivity and Microsoft 365 solutions to businesses.

About the Role

We are looking for a highly technical SEO & Web Performance Specialist to take ownership of the website’s technical SEO, performance, search visibility and overall user experience.

This is a hands-on role focused on identifying and resolving technical issues, improving Core Web Vitals and page speed, and enhancing organic search performance. You will also work closely with an external development partner to ensure website improvements are effectively implemented, monitored and measured.

What You'll Do

• Own the technical SEO strategy and website performance.
• Improve Core Web Vitals, LCP, INP and CLS.
• Diagnose and optimise page speed, mobile performance, images, scripts and other website resources.
• Assess the performance impact of third-party scripts.
• Conduct technical SEO audits and monitor crawling, indexing and rendering.
• Manage site architecture, internal linking, redirects, canonicalisation, robots.txt and XML sitemaps.
• Implement and validate structured data/schema.
• Identify and resolve JavaScript and other technical issues affecting organic search performance.
• Provide technical SEO input for website changes, redesigns and new development.
• Use Google Search Console, Google Analytics, PageSpeed Insights, Lighthouse and Chrome DevTools.
• Set performance benchmarks and report measurable improvements.

Working With Our External Development Partner

• Act as the technical SEO owner on our side of the relationship.
• Identify technical problems and translate them into clear, actionable developer requirements.
• Review proposed solutions, test changes and confirm whether issues have been properly resolved.
• Ensure SEO and performance improvements are implemented effectively rather than relying on developers to identify issues.

• 4+ years of technical SEO experience.

• Strong understanding of how websites work technically.
• Proven experience improving Core Web Vitals and website performance.
• Strong knowledge of HTML, CSS, and JavaScript.
• Solid understanding of crawling, indexing, and rendering.
• Hands-on experience with Google Search Console, Google Analytics, PageSpeed Insights, Lighthouse, and Chrome DevTools.
• Experience diagnosing and resolving website performance issues.
• Experience working directly with web developers.
• Excellent analytical, problem-solving, and communication skills.
• Ability to explain technical issues clearly to both technical and non-technical audiences.

• Experience with Screaming Frog, Ahrefs, Semrush, or similar SEO tools.

• Git/GitHub experience.
• Knowledge of CDNs and caching, such as Cloudflare.
• Experience with modern JavaScript frameworks such as React or Next.js.
• WordPress or other CMS experience.
• Basic Python or SQL knowledge.
• Experience with structured data/schema.
• Experience managing large or technically complex websites.
• Experience managing external development agencies.

What You'll Bring

• Naturally curious and focused on finding the root cause of technical problems.
• Strong attention to detail and a data-driven approach.
• Comfortable getting hands-on with technical website issues.
• Able to turn complex technical problems into practical solutions.
• Confident working independently and taking ownership.
• Strong communicator who can work effectively with developers, management, and non-technical teams.

• Competitive salary package.
• Technical ownership of a growing UK business website.
• Opportunity to work across SEO, web performance, and development.
• Exposure to modern web technologies and digital platforms.
• Ongoing learning and professional development.
• Supportive and collaborative working environment.
• Career growth and progression opportunities.