Technical SEO Lead
2 days ago
City of London
Salary range: £50,000 - £60,000. Key things to note before applying • This is a UK based role, with once weekly travel to the office in London Bridge, currently on a Thursday. Otherwise it is remote, work from home within the UK., • There is no sponsorship available for this role., • Previous agency experience (or equivalent) is required, • Application stages are listed at the end of this job specification We’re looking for a deeply technical SEO leader to own and evolve Yellowball’s technical SEO function. This is a senior, hands-on role for someone who thrives on complex problem solving, advanced analytics, automation and AI-driven innovation. You will shape our technical strategy, lead audits and migrations, own analytics integrity across GA4, GTM and GSC, build best-in-class reporting, and act as the agency’s technical authority internally and externally. If you love debugging tracking setups, diagnosing large-scale indexation issues, analysing crawl logs, and building smart automation that saves hours, this role is for you. What You’ll OwnTechnical Strategy & Delivery • Define and evolve Yellowball’s technical SEO approach, • Lead complex technical audits, including GA4, GTM and advanced Screaming Frog audits, • Produce prioritised technical backlogs aligned to SEO impact, • Oversee implementation across architecture, crawlability, internal linking, URL structures, Core Web Vitals and structured data, • Troubleshoot advanced issues including JS rendering, index drops, crawl budget waste, canonical conflicts and log-file anomalies, • Lead technical input on migrations, re-platforms and redesigns from scoping to sign-off, • Manage large-scale sites of 500k+ URLs, including log file analysis and crawl strategy Analytics & Tracking (Critical Requirement) You will be the agency authority on GA4 and Google Tag Manager. You must be able to: • Architect and configure complex GA4 setups from scratch, • Design and implement robust GTM containers including events, triggers, variables and data layer configuration, • Audit and troubleshoot broken tracking, attribution issues, event duplication, cross-domain tracking, ecommerce tracking and consent mode, • Ensure clean data integrity and accurate measurement of SEO impact Reporting & Data • Own and standardise SEO reporting frameworks, • Build and maintain best-in-class Looker Studio dashboards, • Troubleshoot reporting discrepancies and data issues, • Leverage BigQuery, APIs, automation and AI to improve workflows, • Construct commercial forecasts and performance models AI & Automation • Build scripts, dashboards and automations using Python, JavaScript, Sheets and APIs, • Test and implement new SEO and AI tooling, • Develop AI-led reporting models across SEO and PPC, • Lead experimentation around GEO and AI search visibility, • Improve efficiency and quality through automation Team & Commercial Impact • Act as escalation point and mentor for the SEO team, • Run technical training sessions and upskill the team, • Represent Technical SEO in client meetings, including VIP accounts, • Support new business scoping for migrations, GA4 setups and technical projects, • Identify opportunities to grow client value through technical and data improvements Essential ExperienceAnalytics & Tracking • Expert-level GA4, GTM and GSC configuration and troubleshooting, • Strong understanding of data layers, event architecture and attribution, • Experience auditing and repairing complex tracking ecosystems Technical SEO • Advanced experience with Screaming Frog, including custom extraction, segmentation, JavaScript rendering, API integrations and crawl configuration for large sites, • Ability to translate complex crawls into clear, prioritised and commercially meaningful recommendations, • Deep understanding of crawling, indexation, rendering and crawl budget management, • Experience with large-scale and programmatic SEO, • International SEO including hreflang and domain structuring, • JavaScript SEO and headless CMS, • Core Web Vitals optimisation, • Schema strategy and implementation, • CMS expertise including WordPress and Shopify Data & Automation • Coding or scripting experience in Python, JavaScript or Google Sheets desirable, • API integrations and data manipulation, • Log-file analysis Mindset • Proactive and solutions-focused, • Commercially aware and able to scope profitable projects, • Confident leading technical conversations with developers and senior clients, • Passionate about AI, GEO and the evolving search landscape, • Supportive leader who enjoys mentoring others Why This Role Is Exciting • You will define how Technical SEO is delivered at a growing agency, • You will work on complex migrations and large-scale SEO challenges, • You will lead innovation across automation, AI and reporting, • You will influence product development and new service offerings, • You will operate at the intersection of SEO, data engineering and AI If you are a true technical specialist who lives in GA4, Tag Manager and Screaming Frog, and loves solving complex SEO and data challenges, we would love to hear from you. Step 1: Please send your CV and a 5 minute Loom video (loom.com) as your cover letter to Applications without a Loom video will not be considered. Using Loom is a core part of the role to communicate both internally and with clients, and helps us assess your English fluency and communication skills. In your video, please cover: • Why you’re a great fit for this role, • Your relevant Technical SEO experience, tool stack fluency, recent successful projects and any other information that highlights your capabilities to excel in the role., • Your previous agency experience - types of clients you worked with, types of projects you handled etc., • Your current notice period, • Your salary expectations if they fall outside the range provided in the job description. Step 2: If successful, you will be invited to a short (20-30 minute) screening call with the Head of SEO to discuss your experience in more depth and give you the chance to ask additional questions about the role. Step 3: Following the screening call, shortlisted candidates will be invited to a 1 hour interview (via Teams) with the Head of SEO and founders. This will include a 20 minute presentation based on a take-home task that will be provided to you in advance, alongside general questions to assess suitability.