Job Title: Senior Frontend Engineer
Location: Remote – UK or Ireland
Department: R&D
Reports to: SaaS Lead

About KX
KX is a global technology company on a mission to accelerate data and AI-driven innovation. Our Data Timehouse™ platform is relied upon by many of the world’s leading financial institutions, manufacturing firms, and energy providers to deliver real-time, high-performance analytics. Built on kdb+, the world’s fastest time-series database, KX technology is designed for speed, scale, and efficiency. With a culture rooted in curiosity and collaboration, we empower our people to solve complex problems and shape the future of data-driven decision-making.

The Role
We are seeking a Senior Frontend Engineer to join the R&D team supporting a major SaaS cloud project at KX. This is an exciting opportunity to work on the front line of product innovation, building performant, scalable, and intuitive user interfaces for our next-generation cloud-native platform. You will work closely with the SaaS Lead and collaborate with designers, engineers, and product managers to deliver world-class user experiences.

Responsibilities
Build and maintain modern web applications using JavaScript/TypeScript and frameworks such as Angular, React, or Vue.js

Translate product requirements and UI/UX designs into elegant, high-performance user interfaces

Ensure applications are responsive, accessible, and performant across platforms and devices

Collaborate closely with backend engineers and cloud architects to integrate seamlessly with APIs and infrastructure

Contribute to the evolution of our frontend architecture to support rapid scaling and modularisation

Write automated tests and participate in continuous integration and deployment pipelines

Take part in agile ceremonies, code reviews, and technical decision-making

What You’ll Need
Solid experience developing modern web applications with JavaScript, HTML, and CSS

Proficiency with at least one major framework (Angular, React, or Vue.js)

Strong understanding of UI/UX best practices, responsive design, and accessibility standards

Experience working on cloud-based or SaaS platforms

Familiarity with Git, CI/CD pipelines, and agile development methodologies

A collaborative mindset and strong communication skills

Nice to Have
Experience with TypeScript, Angular, WebGL, SCSS, Node.js

Familiarity with testing frameworks such as Jest, Cypress, or similar

Experience working with tools like Figma, GitHub/GitLab, and JIRA

Exposure to Linux environments and basic web server configuration (e.g. Apache, Nginx)

What We Offer
Competitive salary based on your experience and market conditions

Flexible remote working (UK or Ireland)

25 days annual leave

Private healthcare, including coverage for family members

Enhanced parental leave policies

“KX For Good” volunteer days

Mental health and wellbeing support

Dedicated time for continuous learning and access to development tools

Recognition and reward programmes

Join Us
At KX, we're not just building software – we're building the future. If you're passionate about crafting exceptional user experiences and want to contribute to an ambitious cloud-first product vision, this is the role for you.

To learn more, visit www.kx.com