Location: London, England, United KingdomJoin Axon and be a Force for Good.

At Axon, we’re on a mission to Protect Life. We’re explorers, pursuing society’s most critical safety and justice issues with our ecosystem of devices and cloud software. Like our products, we work better together. We connect with candor and care, seeking out diverse perspectives from our customers, communities and each other.

Life at Axon is fast-paced, challenging and meaningful. Here, you’ll take ownership and drive real change. Constantly grow as you work hard for a mission that matters at a company where you matter.Your Impact

Axon is on a mission to protect life. As part of that mission,

Axon Assistant

is redefining how public safety professionals interact with intelligent systems — delivering real-time translation, contextual policy guidance, and AI-powered support across voice, mobile, and web platforms.From body-worn cameras to mobile apps and dispatch tools, Axon Assistant enables first responders to access critical information exactly when they need it. As a

Senior SDET , you’ll play a pivotal role in ensuring this mission-critical, intelligent software ships with the highest levels of

quality, performance, and trust . You’ll architect test infrastructure, lead automation strategy, and own the systems that validate our most advanced multi-platform experiences.

What You’ll Do

Architect and implement

automation frameworks, test strategies, and quality infrastructure

across web, mobile, and on-device platforms.Design scalable validation systems for

real-time voice interaction ,

AI/LLM-driven features , and distributed cloud services.Partner with engineers to

shape code for testability

and embed quality early in the development process.Lead

cross-functional quality initiatives

to improve CI/CD pipelines, observability, and release readiness.Drive

performance, load, and resilience testing , especially for latency-sensitive, real-time systems.Mentor other SDETs and developers in automation strategy, debugging, and risk mitigation.Own root cause analysis for complex, system-level issues — using telemetry, tracing, and logs.Contribute to documentation of tools, architecture, and best practices that scale across teams.

What You Bring

7+ years of experience in

test automation ,

software engineering , or

SDET roles .Strong experience building and scaling

test automation frameworks

and developer-focused tools.Deep understanding of

distributed systems ,

API testing , and

CI/CD pipelines .Hands-on experience testing

AI/ML-powered systems ,

real-time services , or

multi-modal UIs .Track record of owning quality strategy and delivery for

mission-critical software

in production.

Nice to Have

Background working in

regulated or high-trust domains

like public safety, healthcare, or finance.Ability to influence technical direction and

raise the bar for engineering quality

across teams.Who you are

Engineering-Driven

– You bring a software-first mindset to quality and reliability.Strategic Thinker

– You balance fast execution with long-term test infrastructure health.Mentor and Collaborator

– You help others grow through reviews, pairing, and shared accountability.System Debugger

– You enjoy diving into logs, tracing services, and unraveling complex bugs.Mission-Oriented

– You take pride in building systems that people rely on in high-stakes moments.Benefits that benefit you

Competitive base salary and RSUsComprehensive pension plan with matching contributionPrivate health insurance and cash plans30 days paid holiday + UK public holidaysEnhanced maternity/paternity leaveLife assurance and income protectionCareer growth support and wellness resourcesStudies have shown that women and people of color are less likely to apply to jobs unless they check every box in the job description. If you’re excited about this role and our mission to Protect Life but your experience doesn’t align perfectly with every qualification listed here, we encourage you to apply anyways. You may be just the right candidate for this or other roles.The above job description is not intended as, nor should it be construed as, exhaustive of all duties, responsibilities, skills, efforts, or working conditions associated with this job. The job description may change or be supplemented at any time in accordance with business needs and conditions.Some roles may also require legal eligibility to work in a firearms environment.Axon’s mission is to Protect Life and is committed to the well-being and safety of its employees as well as Axon’s impact on the environment. All Axon employees must be aware of and committed to the appropriate environmental, health, and safety regulations, policies, and procedures. Axon employees are empowered to report safety concerns as they arise and activities potentially impacting the environment.We are an equal opportunity employer that promotes justice, advances equity, values diversity and fosters inclusion. We’re committed to hiring the best talent — regardless of race, creed, color, ancestry, religion, sex (including pregnancy), national origin, sexual orientation, age, citizenship status, marital status, disability, gender identity, genetic information, veteran status, or any other characteristic protected by applicable laws, regulations and ordinances — and empowering all of our employees so they can do their best work. If you have a disability or special need that requires assistance or accommodation during the application or the recruiting process, please emailrecruitingops@axon.com . Please note that this email address is for accommodation purposes only. Axon will not respond to inquiries for other purposes.

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