Sr. Engineer II - Frontend

CrowdStrike

London, UKonsitePosted Jun 24, 2026
Posting intelligenceActively listedReposted 2×, possible evergreen/ghost posting

Skills

nextgenjavascript

About the role

As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn’t changed - we’re here to stop breaches, and we’ve redefined modern security with the world’s most advanced AI-native platform. We work on large scale distributed systems, processing almost 3 trillion events per day and this traffic is growing daily. Our customers span all industries, and they count on CrowdStrike to keep their businesses running, their communities safe and their lives moving forward. We’re also a mission-driven company. We cultivate a culture that gives every CrowdStriker both the flexibility and autonomy to own their careers. We’re always looking to add talented CrowdStrikers to the team who have limitless passion, a relentless focus on innovation and a fanatical commitment to our customers, our community and each other. Ready to join a mission that matters? The future of cybersecurity starts with you.

About the Role

We are seeking a highly skilled and experienced Senior 2 Front-end engineer to join our Kestrel graphs UI team to act as high impact engineer leading the development of large visual UI features. This is an exciting opportunity to shape the direction of graph visuals in our next-gen UI.

Responsibilities

Lead the design and development of large UI features in our graph system

Work closely with the graphs team teach lead to architect a sustainable and ergonomic graph system

Collaborate closely with product design, UI engineering, cloud engineering, and various stakeholders across the organization

Leverage and optimize our existing usage of Keylines to create visuals, while also working with our external Keylines stakeholders to get the most out of our Keylines usage

Navigate projects through CrowdStrike’s software development lifecycle, ensuring goals are met on time and projects move towards completion

If you are passionate about front end development, complex visuals, and are ready to make a significant impact in the cybersecurity space, we would like to hear from you.

What you’ll do

Develop large graph features that impact thousands of customers and use millions of data points

Work with design, back-end teams and product management to find the best solutions displaying complex visuals with a variety of back-end data layer conditions

Pair with our more junior team members to grow their skills in creating visual features

Contribute to a collaborative and inclusive environment where everyone feels comfortable asking questions, looking for help, and sharing their perspectives.

Ensure seamless integration of the UI with backend services

Conduct code reviews and provide constructive feedback to team members, fostering a culture of continuous improvement

What you’ll need

Proven track record of delivering scalable front-end architecture in large organizations

Some prior experience working on visuals, be it using a library, or browser APIs.

Strong expertise in front end technologies and frameworks

Excellent communication skills and the ability to collaborate with cross-functional teams

Ability to contribute at a high level while fostering a collaborative environment

Bonus points

Experience with Keylines, D3.js or Three.js libraries, if you have a portfolio we’d love to see it!

Experience crafting complex visuals in a browser environment

Knowledge and experience of using micro front-ends and web components to architect framework agnostic applications shells for multi-framework support

Experience with graph systems or graph theory

Experience with declarative UIs

#LI-GO1

Benefits of Working at CrowdStrike:

Market leader in compensation and equity awards

Comprehensive physical and mental wellness programs

Competitive vacation and holidays for recharge

Paid parental and adoption leaves

Professional development opportunities for all employees regardless of level or role

Employee Networks, geographic neighborhood groups, and volunteer opportunities to build connections

Vibrant office culture with world class amenities

Great Place to Work Certified™ across the globe

If you need assistance accessing or reviewing the information on this website or need help submitting an application for employment or requesting an accommodation, please contact us at recruiting@crowdstrike.com for further assistance.

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