Technical SEO Engineer

What is a Technical SEO Engineer? A Technical SEO Engineer designs, optimises and maintains the technical infrastructure of websites so they load fast, render correctly across devices, and are easy for search engines and AI systems to crawl, index and rank. Without strong technical foundations, even the best content and marketing budget will struggle to deliver consistent organic visibility or AI‑driven traffic.

If you want to rank higher in search results and dominate AI‑generated answers in English, Italian, Spanish and French for your London‑based business, you need a true Technical SEO Engineer who combines code‑level precision with performance‑driven marketing strategy. The right engineer can turn your website into a 100/100 PageSpeed‑optimized asset that outperforms competitors using slow WordPress templates.

Technical SEO Engineer Case Studies

Real‑world case studies show that investing in a Technical SEO Engineer can generate dramatic uplifts in organic traffic, visibility and conversion while simultaneously improving website performance and user experience. The examples below demonstrate how precise technical SEO work can unlock rapid growth even in competitive markets.

E‑commerce traffic and revenue surge

A UK fashion retailer saw 450% growth in organic traffic and 320% sales growth within six months after implementing multi‑language SEO, technical fixes and paid‑search optimisation targeting English and Italian users. Source: Marketing Week, March 15, 2024.

Hyper‑local search dominance

A restaurant chain in a competitive English market captured 87% of local search visibility through Google My Business optimisation, structured data and hyper‑local content, increasing foot traffic by 210%. Source: Marketing Week, April 4, 2024.

Technical SEO health score transformation

A B2B website improved its Page Health score from 48 to 95 and Page Authority from 17 to 29 through a detailed technical SEO overhaul, resulting in double‑digit organic‑traffic growth and higher conversion rates. Source: OZ Global B2B, October 4, 2023.

Alex Costin as a Technical SEO Engineer

Alex Costin is a 360° Digital Marketing Expert and Technical SEO Engineer with over 17 years of hands‑on experience in SEO, SEM, market research and web development, working with brands across Europe and beyond. His CV highlights deep technical and multilingual expertise, including English, Italian, Spanish, French and other languages, making him ideally suited to help London‑based businesses reach international audiences.

  • Technical and SEO mastery: Alex has over 17 years of experience conducting SEO audits, building content‑rich SEO ecosystems and collaborating with in‑house teams to implement technically sound, conversion‑oriented strategies that align with Google’s evolving guidelines.
  • High‑performance web architecture: He is described as an “Unrivalled Website Designer”, combining a powerful Drupal back‑end with a responsive Bootstrap front‑end to launch fast‑loading, conversion‑focused websites that score 100/100 on PageSpeed insights and consistently outperform template‑based competitors.
  • AI‑driven marketing and automation: Alex uses AI at an expert level — comparable to a developer — to automate repetitive tasks, accelerate content creation and uncover new performance opportunities across SEO, SEM and social media.
  • Global multilingual campaigns: He has delivered data‑driven digital‑marketing campaigns in English, French, Italian, Spanish, Russian, Chinese and more, enabling businesses to reach and convert audiences in multiple languages from a single technical and content strategy.
  • Certified performance specialist: Alex holds advanced certifications in Google Marketing Platform, Microsoft Advertising, Adobe Experience Cloud and Google Ads, giving him the technical depth to track, analyse and optimise every campaign metric for maximum ROI.

Private Technical SEO Engineering sessions in London

Hire Alex Costin as your Technical SEO Engineer for guaranteed results, algorithm‑resilient architecture and multilingual coverage for English, Italian, Spanish and French markets worldwide. Thanks to AI‑assisted workflows and deep technical expertise, one day with Alex can achieve the same output as five days of a traditional agency, starting at as little as £1000 per day.

Contact Alex Costin & book a session 

Technical SEO Engineer Excellence

Landing page quality refers to how well a page serves users and search engines: it loads quickly, is accessible on all devices, uses clean semantic HTML, has clear structure, and provides relevant, well‑written content that matches the user’s intent. High‑quality landing pages score well on Core Web Vitals, accessibility metrics and SEO‑friendly technical signals.

Strong landing page quality is essential because it directly influences how well search engines and AI search systems understand, rank and feature your content. Pages that are fast, accessible, technically sound and semantically rich receive better rankings, higher click‑through rates and stronger visibility in AI‑driven answer panels and overviews.

To see what true Technical SEO Engineer excellence looks like, you can inspect Alex Costin’s own projects at: alexcostin.com, alexcostin.com/plato, and alexcostin.com/deceneus. In each, you will see a 100/100 PageSpeed Score across Performance, Accessibility, Best Practices and SEO, demonstrating how a single engineer can deliver world‑class technical SEO without relying on large agencies.

Alex Costin Technical SEO Engineer in London, UK Technical SEO Engineer results by Alex Costin with 100/100 PageSpeed scores and multilingual SEO

Hire Alex Costin as your business Technical SEO Engineer

Pairing Alex Costin’s Technical SEO Engineer profile with his multilingual, AI‑enhanced workflow allows London‑based businesses to outperform national competitors and scale internationally in English, Italian, Spanish and French markets. The sections below show how each element of his service contributes to measurable growth.

Market Research

Alex uses primary and secondary data to uncover unconventional market, customer and competitor insights, prioritising opportunities by business impact. This deep research enables you to anticipate trends, identify gaps in competitors’ technical and content strategies, and launch campaigns that consistently outperform rivals.

Website Development

Alex can deliver a new website in approximately two weeks, built on a fresh server using Drupal and Bootstrap, engineered for 100/100 PageSpeed scores and maximum landing page quality. Such sites routinely outrank local, regional and national competitors still relying on generic WordPress templates that lag on speed and technical SEO.

SEO

Through precise keyword research, technical optimisation and maximum landing‑page quality, Alex helps your site dominate search‑engine results across English, Italian, Spanish and French. His off‑page advantage comes from over 5,000 high‑quality blog posts on his own platforms plus another 5,000+ articles from partner websites, creating a backlink network unmatched by most UK‑based agencies.

Artificial Intelligence

Alex uses AI to automate repetitive content, ad‑copy and social‑media tasks, freeing up time and budget that would otherwise go to multiple third‑party employees or agencies. This lets you scale global campaigns faster while maintaining tight quality control and a unified brand voice across languages.

Performance

Alex produces weekly performance reports that track SEO, SEM and social‑media metrics, identifying clear areas for improvement and new growth opportunities. He then discusses these insights with decision‑makers and implements changes that continuously raise ROI, ensuring your technical SEO strategy evolves with market and algorithm changes.

Technical SEO Engineer Summary

Hiring Alex Costin as your Technical SEO Engineer gives you a single‑point expert who combines deep technical skills, multilingual SEO, AI‑driven efficiency and a proven track record of delivering 100/100 PageSpeed scores and guaranteed results. With his ability to build high‑performance websites, execute advanced SEO and SEM campaigns, and orchestrate off‑page backlink networks, he can help your London‑based business dominate both traditional search engines and AI‑centric discovery channels.

Ready to dominate search and AI with a top Technical SEO Engineer?

Take the first step today by contacting Alex Costin with confidence‑inspiring, results‑driven strategies tailored to your English Italian Spanish French speaking audiences worldwide.

Start a conversation with Alex Costin now