Job Description

Role:Design Engineer
Location:London.
On site. Full time.
About the job:
Advantra is partnering with an early-stage AI web platform startup in London to hire a Design Engineer to build intuitive, interactive, and visually engaging web experiences for end-users.
About the role:
You will turn wireframes, mockups, and design concepts into real, fluid web experiences. Work includes optimizing interactions, visual design, and usability while ensuring pages are easy for customers to create and manage. You will collaborate closely with founders and report to the CPTO.
Responsibilities: * Implement interactive, user-facing web pages from wireframes and mockups.

• Translate design concepts into fluid and responsive user experiences.
• Optimize usability for end-users and ease of content management for customers.
• Collaborate with founders and product team to refine design systems.
• Maintain visual consistency and design standards across the platform.
• Test and iterate on designs to improve user engagement and satisfaction.
• Troubleshoot design and interaction issues in production systems.
• Contribute to the development of design tools or internal frameworks.

Core requirements: * 2 to 4 years of frontend or design engineering experience.

• Strong proficiency with HTML, CSS, and JavaScript.
• Experience with frontend frameworks (React, Vue, or similar).
• Solid understanding of responsive and adaptive web design principles.
• Experience translating wireframes and mockups into production-quality interfaces.
• Familiarity with design systems and UI/UX best practices.
• Strong problem-solving and debugging skills.
• Ability to work in fast-paced, early-stage startup environments.
• Strong collaboration and communication skills.
• Portfolio of shipped projects or interactive web experiences.

Nice to have: * Experience with AI-powered web platforms or personalization.

• Knowledge of animation libraries and advanced frontend interactions.
• Experience with cloud hosting and deployment (AWS, GCP, or Azure).
• Familiarity with Figma or other design tools for collaboration.
• Understanding of accessibility standards and performance optimization.

How to apply:
Email careers@theadvantra.com with links to shipped work and a short note on what you owned. Company name shared after the intro.
About Us:
Advantra-Upstart Crew is a search program inside Advantra Consulting. We partner with early stage and high growth startups to hire the top 2% in Tech and GTM. We run end to end searches, from single role headhunts to full team build outs, using domain experts and a vetted network to deliver tight shortlists. We stay close to founders and candidates so the relationship lasts beyond the first hire.

Skills Required