Software Development Engineer In Test SDET
New Yesterday
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.
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 . 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.
7+ years of experience in test automation , software engineering , or SDET roles .
~ Advanced proficiency in Python , Java , C# , JavaScript , or Go .
~ 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.
Ability to influence technical direction and raise the bar for engineering quality across teams.
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.
Mission-Oriented - You take pride in building systems that people rely on in high-stakes moments.
Competitive base salary and RSUs
~ Comprehensive pension plan with matching contribution
~ Private health insurance & cash plans
~30 days paid holiday + UK public holidays
~ Enhanced maternity/paternity leave
~ Life assurance & income protection
~ Career growth support and wellness resources
We think big with a long-term view because we want to reinvent the world to be a safer, better place. We are also committed to building diverse teams that reflect the communities we serve.
Studies have shown that women and people of color are less likely to apply to jobs unless they check every box in the job description. Some roles may also require legal eligibility to work in a firearms environment.
All Axon employees must be aware of and committed to the appropriate environmental, health, and safety regulations, policies, and procedures. 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 email recruitingops@axon.com . Please note that this email address is for accommodation purposes only.
- Location:
- London
- Job Type:
- FullTime