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Squiz

Senior Frontend Developer (Website/CMS/DXP)

Hybrid

London, United kingdom

Senior

Full Time

14-09-2025

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Skills

JavaScript HTML CSS GitHub CI/CD Version Control Architecture Information Architecture react node.js SDLC JS WordPress CI/CD Pipelines Web Development GitHub Actions

Job Specifications

We're seeking an experienced Senior Frontend Developer to join our Professional Services team at Squiz. You'll advise on front-end architecture and implement the Squiz DXP ensuring the technical solution is tailored to the client brand and content strategy.

You will have the following Technical Skills & Experience:

5+ years experience front-end web development JavaScript (preferably vanilla JS), HTML, and CSS
Experience building commercial grade Websites, Portals, Intranets etc
Strong knowledge of web fundamentals, HTTP methods, integration patterns, RESTful APIs
Experience with Node.js or other server-side JavaScript (backend 20% of role)
Building web interfaces according to WCAG accessibility standards and inclusive design practices
Demonstrable experience/knowledge of SDLC
Demonstrated experience building component libraries/design systems
Experience working with CMS platforms or DXPs - Contentful, Drupal, Wordpress, Sitecore, Optimizely etc
Strong grasp of web performance optimization, responsive design and cross-browser compatibility
Comfortable with build tools and bundlers (Webpack, Vite, etc.)

Nice to have:

Experience working in a client facing role - Consulting or Digital Agency or like
Experience with JavaScript frameworks such as React etc

What you will do:

Design and build, scalable, and maintainable user interfaces
Integrate with client systems using DXP/SaaS features
Work closely with clients to understand user needs and pain points, translating them into intuitive and performant digital experiences.
Collaborate with:
Designers to bring UI/UX mockups to life while offering technical feasibility input
Product Managers to define scope, user stories, and timelines
QA/Testers to ensure robust testing coverage and defect resolution
Presales to build demos, prototypes and proof of concepts
Develop reusable components and libraries that power multiple products or client solutions
Champion best practices in accessibility, performance, responsive design, and testing
Mentor developers, sharing knowledge, guiding architecture decisions, and modelling best practices

Bonus points for the following:

Experience delivering search implementations, indexing content and building search interfaces
Understanding of information architecture and how it applies to large content ecosystems
Experience integrating front-end interfaces with content workflows and personalization engines
Experience working on multi-tenant platforms or enterprise SaaS applications
Understanding of micro frontends or component-based architectures
Comfortable navigating CI/CD pipelines and version control (e.g., GitHub Actions)
Experience with automated testing frameworks (Jest, Cypress, Playwright) is a bonus

Must be eligible for Security Clearance.

The cultural values we ask from you are:

Be self-driven and proactive; takes initiative and "owns it"
Have a collaborative mindset; thrives in a team environment and "wins together"
Be authentic and inclusive; "true to yourself" while embracing diverse ideas
Have a customer-first attitude; willing to "have their back" and build solutions that matter

Must be eligible for SC - Security Clearance

What does success look like?

Deliver high-quality, performant, and accessible front-end experiences that meet both product and client requirements, enabling clients to leverage Squiz's DXP to meet their business goals. Balance technical decisions with client and product needs, avoiding overengineering and focusing on value delivery.
Demonstrate a strong understanding of how front-end work contributes to customer success, product adoption, and Squiz's business goals
Makes significant contribution to improving the shared component library/design system, increasing reusability and speeding up delivery
Able to influence, shape and scale UI architecture for complex CMS/DXP interfaces and search-driven experiences

Squiz Benefits

Squiz Flex - flexibility to work from home or one of our WeWork co-working spaces
30 days annual leave plus bank holidays
2 days of Compassionate Leave
Paid Parental Leave
Company Shutdown between Christmas Day and New Year's Day
Open Door Policy - No need to worry about chain of command here at Squiz
PS150 Annual Healthy Lifestyle Allowance
Excellent Career Development Opportunities

Why work for Squiz?

You'll work with some of the most intelligent and down to earth people you've ever meet. We are made up of a diverse range of passionate professionals who love challenging the status quo. Every day is different, but what is constant is we all love what we do.

We have a lived commitment to flexibility, we know the success of our people is dependent on them having a balanced life. You will be offered flexibility as to where and how you work every day. We want you to be able to work in a way that drives productivity, efficiency and outcomes; along with connection and collaboration.

Who we are:

Squiz helps complex, service-led organisations harness the power of digita

About the Company

Build brilliant websites fast! Squiz is the AI-powered DXP built for marketers. Regain independence, ease-of-use and speed. Create, optimize and govern enterprise-scale sites – without relying on devs for the day-to-day. Other platforms weren't built for marketers. Squiz puts you back in control. Marketers and digital teams need to move at the speed of change. You want to spin up landing pages, create content and test ideas with minimal tech reliance. Free your devs to innovate. Everyone wins with Squiz! Know more