Principal Designer

Bjak
Full-time

📍 Job Overview

Job Title: Principal Designer

Company: Bjak

Location: London, England, United Kingdom

Job Type: FULL_TIME

Category: Design Operations / Product Design

Date Posted: 2026-07-31

Experience Level: 5-10 Years

Remote Status: Hybrid

🚀 Role Summary

  • Spearhead the visual design of AI-native applications, focusing on creating intuitive and polished user interfaces for a proactive smart assistant.

  • Drive the development and maintenance of robust design systems and UI component libraries to ensure visual consistency and scalability across products.

  • Collaborate extensively with product managers and engineering teams to translate user needs and technical requirements into exceptional, pixel-perfect user experiences.

  • Champion a culture of high craftsmanship and attention to detail, continuously elevating the quality and usability of the product interface.

  • Contribute to the operational efficiency of the design team by establishing and refining design processes and workflows.

📝 Enhancement Note: While the raw job title is "Principal Designer," this role has significant overlap with "Design Operations" due to its emphasis on design systems, process refinement, and cross-functional collaboration with engineering. The "Principal" level suggests a senior individual contributor role with potential for mentorship and strategic input. The company's mission to build AI-native applications implies a need for designers who can handle complex user flows and integrate AI capabilities seamlessly into the user experience.

📈 Primary Responsibilities

  • Design and iterate on high-fidelity user interfaces for AI-driven productivity tools, ensuring clarity, usability, and aesthetic appeal.

  • Develop and maintain comprehensive UI component libraries and style guides, ensuring adherence to brand guidelines and accessibility standards.

  • Collaborate with product designers to conduct user research and usability testing, translating insights into actionable design improvements.

  • Partner with engineering teams throughout the development lifecycle to ensure accurate implementation of designs

Application Requirements

Candidates must have a strong portfolio demonstrating exceptional UI design, typography, and layout skills. Proficiency in Figma and experience in building and maintaining design systems are required.