Sr. Engineer II - Frontend in London

About the Role

We are seeking a highly skilled and experienced Senior Frontend engineer to join our Kestrel graphs UI team to act as a 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 and 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.
• 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 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 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.

Qualifications

• Proven track record of delivering scalable front‑end architecture in large organizations.
• Prior experience working on visuals using a library or browser APIs.
• Strong expertise in front‑end technologies and frameworks.
• Excellent communication skills and ability to collaborate with cross‑functional teams.
• Ability to contribute at a high level while fostering a collaborative environment.
• Experience with Keylines, D3.js or Three.js libraries (portfolio would be a plus).
• Experience crafting complex visuals in a browser environment.
• Knowledge and experience using micro front‑ends and web components to architect framework‑agnostic application shells for multi‑framework support.
• Experience with graph systems or graph theory.
• Experience with declarative UIs.

Benefits

• 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.

CrowdStrike is proud to be an equal opportunity employer. We are committed to fostering a culture of belonging where everyone is valued for who they are and empowered to succeed. We support veterans and individuals with disabilities through our affirmative action program. CrowdStrike is committed to providing equal employment opportunity for all employees and applicants for employment. The Company does not discriminate in employment opportunities or practices on the basis of race, color, creed, ethnicity, religion, sex (including pregnancy or pregnancy‑related medical conditions), sexual orientation, gender identity, marital or family status, veteran status, age, national origin, ancestry, physical disability (including HIV and AIDS), mental disability, medical condition, genetic information, membership or activity in a local human rights commission, status with regard to public assistance, or any other characteristic protected by law. We base all employment decisions—including recruitment, selection, training, compensation, benefits, discipline, promotions, transfers, lay‑offs, return from lay‑off, terminations and social/recreational programs—on valid job requirements.