At Assembly, our mission is to find the change that fuels growth. We apply this principle to the work we do with our clients and to how we engage with our people. We’re a modern global agency bringing together media, data, technology and talent to make brands perform.
Our business is purpose driven. In March 2022, we were named Ad Age’s first ever Purpose-Led Agency of the Year, recognised for our mission to leave the world better than we found it. This year we became B Corp certified, the result of a two-year journey. We’re proud to have created a culture where diversity of thought, experience, and background are valued, within an environment that fosters continuous learning, adaptability, and a shared passion for meaningful impact.
When you join Assembly, you become part of an award-winning global community of digitally led experts, home to 1,500 talented people across 25 offices globally. Together we create unique data, technology and media solutions that enable faster and smarter problem solving within an inspired, collaborative workplace.
Assembly is poised for its next chapter of growth. We’re a meritocratic, high-performance business with a progressive outlook and a growth mindset in all that we do. To realise our potential we need some new skills and thinking.
The core DNA of Assembly lies in digital performance marketing. New and existing clients are asking us to extend this expertise across all media, connecting traditional channels with digital methods of execution, measurement and automation. We were born the right way to do this – we’re building out from a leading digital and technology capability and adding the rest, rather than trying to reverse engineer a legacy business into a more modern version of itself. At Assembly we ask our people to embody three core values:
Show Up: actively contribute to a space of personal and collective growth
Make Change: embrace obstacles as opportunities, taking intentional steps to drive positive change
Win Well: approach success with integrity, responsibility, and a commitment to collaboration, understanding that the journey is as important as the destination.
We look forward to meeting you and to discussing how we can grow together.
Assembly is looking for a Technical SEO Manager to operate more as a Front-End/SEO Developer with a heavy focus on web migrations, technical audits, Core Web Vitals, critical render path optimization, agile projects and technical SEO. You will assess and make code-level recommendations for the improvement of client websites on various platforms (Salesforce Commerce Cloud, Adobe Experience Manager, Shopify etc.).
While this role is focused on technical recommendations and operational improvements, the successful candidate will work on the fulfilment of client campaigns with content-focused personnel and an SEO client manager who is responsible for the overall client success.
We're looking for someone with a strong agency background who is used to working across multiple clients, and solid technical SEO knowledge. You’ll play a key role in delivering results-focused technical strategies and fixes that align with business goals and elevate organic performance. Working with our Technical SEO Lead, you’ll collaborate closely with the wider SEO and Paid Search teams, ensuring campaigns and tasks are aligned, integrated, and executed flawlessly.
Please note: we are not looking for a generalist SEO or content SEO manager. This is a highly technical role and your experience should match the requirements set out in this job description.
Conduct and present PageSpeed/Core Web Vitals audits to identify and recommend solutions to Largest Contentful Paint (LCP), Cumulative Layout Shift (CLS) and Interaction to Next Paint (INP) issues across varying platforms (Salesforce Commerce Cloud, Adobe Experience Manager, etc.).
Be able to prioritise action items based on development efforts/resource vs impact.
Conduct and present technical SEO audits to find ways to correct or improve site crawl and indexation, internationalization, rendering, schema markup and other structural page issues.
Lead the technical aspects of site migrations, including pre-launch technical audits, URL redirect mapping for large sites with several markets, liaising with client-side stakeholders to implement fixes based on priority, conducting launch day testing and monitoring performance of the new website.
Use and/or build tools to identify technical SEO issues as they arise.
Respond to client-initiated technical questions/issues as they are presented.
Develop, prioritize, groom and QA client site development tickets (within JIRA or similar platforms) associated with technical SEO audits
Work closely with clients’ development agencies or internal teams to prioritize key optimizations and advise on SEO technical best practices
Educate yourself and clients on the latest developments in technical SEO and convey potential business impacts
Collaborate with junior and senior SEO colleagues to review progress of project delivery and provide strategic insights.
Contribute to the improvement of the department by suggesting better, more efficient ways to execute business operations and provide higher-quality output to clients
5+ years in a technical SEO or front-end web developer role executing and presenting performance improvement and technical SEO recommendations
Proven experience with technical audits and large, ecommerce website migrations
A strong background in technical SEO, with experience optimizing large-scale international ecommerce websites to enhance user engagement and drive business performance
Strong attention to detail, excellent analytical brain and numeracy understanding with strong emphasis on statistical data
Proven ability to solve complex site performance issues (including crawl, indexation and Core Web Vitals) for enterprise-level brands based on diverse client goals, objectives, and limitations
Experience navigating HTML, schema, CSS and JS code and making code-level recommendations
Experience working within JIRA or similar technical issue-tracking software
Strong experience working with Shopify, Salesforce, and other ecommerce CMS’s
Prior experience working closely with dev teams, ideally with some Python experience to automate processes such as redirect mappings for migrations.
Natural curiosity and someone who loves solving an SEO puzzle. We expect you to be curious, to constantly question things and delve deeper
Solid understanding of SEO tools (e.g. Google Search Console, SEMrush, Sitebulb, Screaming Frog etc) and experience with uncovering insights and creating a helpful strategy for clients
Experience in accurately reporting and measuring SEO in a way that clients can understand and report back to their senior leadership
Excellent communication and presenting skills, including written & spoken English and an ability to explain and deliver technical recommendations to non-SEO experts as well as internal team members
Advanced Microsoft Office skills, specifically with Excel and PowerPoint
Strong attention to detail, organization, and deadlines
Assembly is an advocate for equal opportunity in the workplace. We are committed to ensuring equal opportunities regardless of race, colour, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability and gender identity. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you have a disability or special need that requires accommodation, please let us know.
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