Semaphore is looking for an experienced UX/UI Designer to join our Product team. You will work to create beautiful and intuitive interfaces used by over 50,000 developers around the world. The ideal candidate has both design chops and technical HTML/CSS skills, especially with utility-first frameworks like Tachyons or Tailwind.

At Semaphore, we have developed an open-sourced industry-leading platform for Continuous Integration and Deployment and are rapidly expanding the product's scope. Our success is rooted in a deep care for UX. We make engineering teams more productive by delivering a simple and easy-to-use solution for a complex problem.

We are passionate about providing a remote, flexible and supportive work culture. We work in small and highly effective teams, so every team member is vital to the company's success.

This position is a part-time role, with the requirement of at least 4 hours of overlap with 9-17h CET. We're a distributed team that values getting things done over rigid schedules.

What You'll Do

Design user-friendly interfaces for our web applications
Deliver your designs as HTML mockups using Tachyons CSS
Work closely with our product team to improve user experiences
Create responsive designs that work great on all devices

What We Need

At least 3+ years of UI/UX design experience with a portfolio to back it up
Strong UI/UX design skills
Solid HTML and CSS knowledge, especially with utility-first frameworks
Experience with AI Editors – Cursor or Windsurf
Ability to translate designs directly into code (no throwing designs over the wall)
Good communication skills and a collaborative mindset

Nice to Have

Some JavaScript knowledge for interactive prototypes
Experience with version control (Git)

Benefits

The impact of working on a product that's competing on a global market.
Join a small team of around 30 full-time people who love what they do.
A friendly and supportive work environment.
Competitive salary.
Company retreats.
Space to learn continuously and choose the tools and equipment for your job
Interact with developers who use Semaphore and talk about the latest and greatest way to develop and ship software.

Part-time UI/UX Designer

Anywhere in the world

Remote

Mid-level

Semaphore