Senior Tech Lead - UK (German-speaking) in London
Senior Tech Lead - UK (German-speaking)

Senior Tech Lead - UK (German-speaking) in London

London Full-Time 80000 - 100000 £ / year (est.) No home office possible
Horizontal Digital

At a Glance

  • Tasks: Lead the technical delivery of innovative digital platforms and mentor a talented team.
  • Company: Join a forward-thinking digital consultancy focused on exceptional customer experiences.
  • Benefits: Enjoy flexible remote work, competitive salary, and generous holiday allowances.
  • Other info: Be part of a dynamic team with excellent career growth opportunities.
  • Why this job: Make a real impact with cutting-edge technology and AI in a collaborative environment.
  • Qualifications: 10+ years of Sitecore experience and strong leadership skills required.

The predicted salary is between 80000 - 100000 £ per year.

At Horizontal Digital, we hold ourselves to one key belief: You’re only as good as your worst customer experience. This mantra drives our digital consultancy to think beyond the easy answers and create websites, apps, portals, and other experiences that solve customer needs for Fortune 500 companies in intuitive and empathetic ways.

We are looking for an experienced German speaking Senior Tech Lead with deep expertise in Sitecore and a forward-thinking approach to AI-enabled delivery. In this role, you will architect and lead the technical delivery of enterprise-scale digital experience platforms, embed AI tooling across the development lifecycle, and mentor a team of engineers to do their best work. You will serve as the bridge between client requirements, solution design, and hands-on engineering — ensuring we deliver outcomes that are scalable, performant, and commercially sound.

What you’ll do:

  • Technical Leadership & Architecture
    • Lead end-to-end technical architecture and delivery of Sitecore-based digital experience platforms (XM Cloud, SitecoreAI, XP, XM).
    • Define and own technical standards, code quality practices, and architectural patterns across project teams.
    • Conduct solution design workshops and translate business requirements into scalable, maintainable technical blueprints.
    • Oversee integrations with third-party platforms including CRMs, CDPs, DAMs, search engines, and marketing automation tools.
    • Perform and guide technical code reviews, ensuring adherence to best practices and Sitecore conventions.
    • Provide high-level and detailed technical solution estimates. Review and consult with HZTL stakeholders on SOWs. Review briefs and add questions, technical requirements. Refine technical requirements. Responsible for delivery of all technical documentation required during discovery.
  • Project Delivery & Estimation
    • Contribute to pre-sales and estimation activities, providing technically accurate and commercially grounded effort estimates.
    • Identify and flag technical risks early — including gaps in client-provided inputs that may impact delivery timelines.
    • Partner with Project Managers and Solution Architects to ensure estimates remain aligned through proposal, SOW, and discovery phases.
    • Drive re-estimation processes when scope or assumptions materially change, with clear stakeholder communication.
  • Team & Stakeholder Management
    • Lead, mentor, and grow a team of Sitecore developers, fostering a culture of technical excellence and continuous learning.
    • Collaborate with cross-functional teams — UX, strategy, data, and QA — to ensure technical decisions support broader project goals.
    • Act as the primary technical point of contact for clients, presenting solutions clearly and building trust through expertise.
    • Facilitate knowledge transfer and ensure delivery decisions are well-documented and accessible to the wider team.
  • Road-map and Project Planning
    • Accountable for technical solution planning: Lead and define technology approach and tool-set.
    • Facilitate environment setup and configuration efforts in coordination with other disciplines.
    • Brainstorming and presentation of ideas and possible solutions - Innovations Sitecore AI roadmap.
    • Facilitate communication with Delivery Lead and Program Manager.
    • Responsible for delivery of all technical documentation required during planning.
    • Identifying risks and/or important milestones.

Who you are and what you bring:

  • 10+ years of hands-on Sitecore development experience across Sitecore AI, XM Cloud, XP, and/or XM.
  • 3-5 years of experience leading design and implementation of digital technology solutions using Agile/Scrum methodologies.
  • Strong proficiency in Sitecore development patterns: JSS, headless/SXA, serialization (Unicorn / SCS), and multisite configurations.
  • Experience with Sitecore CDP, Personalize, Search, Content Hub, Send, or other Sitecore composable DXP products.
  • Solid understanding of Sitecore licensing, deployment architecture, and cloud hosting (Azure / AWS).
  • Familiarity with Vercel, Netlify, Next.js, and React in the context of Sitecore headless delivery.
  • Demonstrated experience integrating AI coding assistants (GitHub Copilot, Cursor, or similar) into a professional development workflow.
  • Understanding of LLM capabilities and limitations as applied to code generation, documentation, and test coverage.
  • Ability to design structured, AI-readable inputs (design tokens, content schemas, component specs) that enable automation.
  • Experience with prompt engineering or building lightweight AI agents or automation pipelines is a strong plus.

Core Technical Skills:

  • .NET / C# — solid backend development fundamentals.
  • JavaScript / TypeScript, React or Next.js for headless front-end delivery.
  • RESTful and GraphQL API design and integration.
  • CI/CD pipeline setup and management (Azure DevOps, GitHub Actions).
  • Performance optimisation, accessibility standards (WCAG 2.1), and SEO best practices.
  • Agile / Scrum delivery experience in cross-functional teams.

Add-ons:

  • You are Sitecore MVP and actively participate in the Sitecore community.
  • You enjoy being in front of the client and have professional services experience.
  • You are skilled at refining and implementing Sitecore solutions.
  • Experience contributing to or reviewing AI-influenced project estimates and delivery models.

Our UK Benefits include:

  • 22 days holiday.
  • 2 floating holiday days.
  • 2 volunteering days.
  • Defined contribution pension scheme.
  • Flexibility + remote working.

Application Tips:

To help us review your application as smoothly as possible, we recommend submitting a clear, ATS-friendly CV using a simple format and standard headings such as Experience, Skills, and Education. Avoid complex layouts or graphics so your experience is captured accurately.

If you're unsure how to make your CV ATS-friendly, this guide provides helpful practical tips: https://www.myperfectresume.com/career-center/resumes/how-to/ats-friendly.

The above description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

Senior Tech Lead - UK (German-speaking) in London employer: Horizontal Digital

At Horizontal Digital, we pride ourselves on fostering a dynamic and inclusive work culture that prioritises collaboration, innovation, and personal growth. As a Senior Tech Lead in the UK, you will not only lead cutting-edge projects but also benefit from flexible working arrangements, a generous holiday allowance, and opportunities for professional development, all while contributing to impactful solutions for Fortune 500 clients. Join us to be part of a team that values empathy, embraces change, and never settles for less than excellence.
Horizontal Digital

Contact Detail:

Horizontal Digital Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Tech Lead - UK (German-speaking) in London

✨Network Like a Pro

Get out there and connect with people in the industry! Attend meetups, webinars, or even just grab a coffee with someone who works at Horizontal Digital. Building relationships can open doors that a CV just can't.

✨Show Off Your Skills

When you get the chance to chat with potential employers, don’t hold back! Share your past projects, especially those involving Sitecore and AI. Let them see how you’ve tackled challenges and delivered results.

✨Prepare for the Interview

Do your homework on Horizontal Digital and be ready to discuss how your experience aligns with their mission. Think about how you can contribute to their mantra of creating exceptional customer experiences.

✨Apply Through Our Website

Don’t forget to apply directly through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining our team.

We think you need these skills to ace Senior Tech Lead - UK (German-speaking) in London

Sitecore Expertise
AI-enabled Delivery
Technical Leadership
Agile/Scrum Methodologies
JSS Development Patterns
Headless/SXA Configurations
Azure/AWS Deployment Architecture
Vercel/Netlify/Next.js Familiarity
AI Coding Assistants Integration
LLM Capabilities Understanding
.NET / C# Development
JavaScript / TypeScript Proficiency
RESTful and GraphQL API Design
CI/CD Pipeline Management
Performance Optimisation

Some tips for your application 🫡

Keep it Simple: When crafting your CV, stick to a straightforward format. Use standard headings like Experience, Skills, and Education. This helps us easily spot your qualifications without getting lost in fancy layouts.

Tailor Your Application: Make sure to customise your CV and cover letter for the Senior Tech Lead role. Highlight your Sitecore expertise and any relevant experience with AI-enabled delivery. We want to see how you fit into our vision!

Showcase Your Achievements: Don’t just list your responsibilities; share your accomplishments! Use metrics where possible to demonstrate how you've made an impact in previous roles. This gives us a clearer picture of what you can bring to the table.

Apply Through Our Website: We encourage you to submit your application directly through our website. It’s the best way for us to receive your details and ensures you’re considered for the role. Plus, it’s super easy!

How to prepare for a job interview at Horizontal Digital

✨Know Your Sitecore Inside Out

Make sure you brush up on your Sitecore knowledge before the interview. Be ready to discuss your hands-on experience with Sitecore AI, XM Cloud, and other relevant products. Prepare examples of how you've led technical architecture and delivery in past projects.

✨Showcase Your Leadership Skills

As a Senior Tech Lead, you'll need to demonstrate your ability to mentor and grow a team. Think of specific instances where you've successfully led a team or collaborated with cross-functional groups. Highlight your approach to fostering a culture of technical excellence.

✨Prepare for Technical Questions

Expect in-depth technical questions related to .NET, C#, and API design. Brush up on your knowledge of performance optimisation and accessibility standards. Be ready to explain your thought process during code reviews and how you ensure adherence to best practices.

✨Emphasise Your Adaptability

Horizontal Digital values embracing change, so be prepared to discuss how you've adapted to new technologies or methodologies in your previous roles. Share examples of how you've anticipated opportunities and executed exceptional solutions in dynamic environments.

Senior Tech Lead - UK (German-speaking) in London
Horizontal Digital
Location: London

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