Software Development Engineer, AWS

New Yesterday

Were explorers, pursuing societys most critical safety and justice issues with our ecosystem of devices and cloud software. We connect with candor and care, seeking out diverse perspectives from our customers, communities and each other.
As part of that mission, Axon Assistant is changing how public safety professionals interact with technology delivering real-time translation, policy guidance, and AI-driven support across voice, mobile, and web platforms. As a Senior Software Engineer I , you'll play a central role in building the backend systems that bring Axon Assistant to life. Youll work across real-time APIs, LLM-integrated services, and edge-to-cloud pipelines to help first responders get intelligent, actionable support exactly when they need it. Youll contribute to architectural decisions, mentor other engineers, and help us scale a product that will operate globally and in high-stakes environments.
Youre someone who loves writing clean, scalable services but who also thrives in ambiguity and is motivated by solving problems that dont yet have clear answers. You care about system design, performance, and shipping features that support real people doing critical work. And you bring enough experience to know when to challenge, when to align, and how to build software that lasts.
Design and build scalable, fault-tolerant backend services that support real-time AI experiences across Axon devices, mobile apps, and web interfaces.
Collaborate with Applied AI teams to integrate large language models and related services into production systems with a focus on latency, reliability, and observability.
Contribute to and lead architecture discussions , including model orchestration, caching strategies, data storage patterns, and compute optimization.
js, Python, or similar), review pull requests, and promote engineering best practices across the team.
Improve how we operate: help shape sprint rituals, incident response, system monitoring, and long-term platform health.
Mentor and support other engineers, helping grow a strong engineering culture built on trust, ownership, and execution.

Bachelor's degree in Computer Science, Engineering, or a related field.
~6+ years of professional software development experience, ideally in backend or platform teams.
~ js , Python , Go , or similar languages.
~ Experience designing and operating cloud-native systems (AWS, Azure, or GCP) with a focus on scalability and resilience.
~ Familiarity with AI/ML systems , or demonstrable ability to quickly ramp up in highly technical, ambiguous domains.
~ Strong knowledge of REST APIs , distributed system design, and performance optimization.
~ Experience with both SQL and NoSQL data stores , caching layers, and observability tooling (e.g., Comfortable balancing short-term execution with long-term architectural thinking .
Passion for building highly-available systems that power mission-critical experiences.
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. Were 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. Interested in building your career at Axon? Website
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Location:
London
Job Type:
FullTime

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