StackOne

About StackOne

The unified API platform for seamless SaaS integration

👥 21-100 employees📍 Central London💰 $23.9m5
B2BArtificial IntelligenceBig dataDeep TechAnalyticsSaaSAPIData Integration

Key Highlights

  • Founded in 2023 by ex-Google and Oracle executives
  • $23.9 million in seed funding
  • Headquartered in Central London with 21-100 employees
  • Focus on B2B SaaS integration and real-time architecture

StackOne is a B2B SaaS integration platform founded in 2023 by former Google and Oracle executives, headquartered in Central London. With $23.9 million in seed funding, StackOne empowers SaaS companies to create seamless API connections, addressing the integration challenges faced by businesses toda...

🎁 Benefits

Employees participate in an employee share options plan, enjoy 25 days of holiday plus an additional day for each year of tenure, and benefit from a r...

🌟 Culture

StackOne fosters a culture focused on solving integration challenges for SaaS companies, enabling teams to concentrate on their core products. The com...

StackOne

Ux Engineer Senior

StackOneLondon - Hybrid

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Skills & Technologies

Overview

StackOne is hiring a Senior UX Engineer to enhance their AI Integration Gateway for SaaS products. You'll focus on front-end craft and performance engineering using React. This role requires expertise in design systems and UI performance optimization.

Job Description

Who you are

You are a Senior UX Engineer with a strong background in front-end development and design systems — you have a keen eye for detail and understand how to create pixel-perfect user interfaces that enhance user experience. You have experience with React and are comfortable collaborating with designers to define and maintain design systems that ensure consistency across products. You are passionate about performance engineering and know how to optimize web applications to deliver fast, responsive experiences. You thrive in a hybrid work environment and are eager to contribute to a team that values innovation and quality.

What you'll do

In this role, you will take ownership of the component library and shape the micro-frontend architecture for StackOne's platform — your work will directly impact how users interact with the product. You will collaborate closely with designers to define the visual language and build reusable UI components that power every user interface. Your focus will be on shipping high-quality UIs using React, ensuring that every detail, from theming to performance, is meticulously crafted. You will also be responsible for instrumenting Core Web Vitals and optimizing performance metrics to ensure that the platform remains competitive in the market. Your contributions will help establish StackOne as a leader in the SaaS integration space.

What we offer

StackOne provides a dynamic work environment where you can grow your skills and make a significant impact on the product. We offer a hybrid work setup, typically requiring two days in the office, allowing for flexibility in your work-life balance. You will be part of a diverse team that values innovation and collaboration, and we encourage individuals from all backgrounds to apply. Join us in changing the game for SaaS integrations and be part of a company that is backed by leading investors and is on a fast trajectory to success.

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