Software Engineer II (Data Platform)

Axon; City Of London; On-site; GBP 50,000 - 70,000; Full time

Job summary

A technology company for public safety in London is seeking a Software Engineer to design, develop, and maintain secure systems while collaborating across teams. The ideal candidate will have over three years of experience and strong programming skills in languages such as Go or Python. This role offers a competitive salary and an opportunity to work in a mission-driven, fast-paced environment.

Benefits

Competitive base salary

Comprehensive pension plan

Private health insurance

30 days paid holiday

GymPass subscription

Enhanced maternity/paternity leave

Qualifications

• 3+ years of professional software development experience.
• Strong programming skills in languages such as Go, SQL, Python, Java, or Scala.
• Excellent communication skills with an ability to make complex concepts accessible.

Responsibilities

• Design and maintain high-quality, scalable, and secure software.
• Drive technical excellence and lead design discussions.
• Collaborate with engineering teams to build data-driven solutions.

Skills

Problem-solving skills

Programming in Go

SQL proficiency

Python programming

Java programming

Scala programming

Cloud technologies knowledge

Familiarity with Docker

CI/CD tools usage

Education

Bachelor's Degree in Computer Science

Tools

Jenkins

GitHub

TeamCity

ArgoCD

Job description

Overview

Join 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

As a Software Engineer at Axon, you’ll join a passionate, mission-driven team dedicated to building capabilities that empower public safety organisations to unlock the full potential of their data. You will design, develop, and maintain high-quality, scalable, and secure systems, applying engineering best practices and rigorous attention to performance and security across the full development lifecycle. Leading by example, you’ll drive technical excellence through active contribution to architecture reviews, design discussions, and code reviews, fostering a culture of innovation and high standards.

You will collaborate across engineering teams to build, refine, and enrich data-driven solutions that span diverse systems, data models, and cloud-native architectures. By championing best practices in engineering, including testing, observability, security, and robust documentation, you’ll play a key role in ensuring Axon’s platforms are reliable, maintainable, and prepared to scale.

What You’ll Do

• Design, develop, and maintain high-quality, scalable, and secure software and infrastructure.
• Drive technical excellence by leading design discussions, contributing to specifications, and providing insightful feedback in code and design reviews.
• Facilitate cross-team collaboration among engineers and contribute to the broader community of Axon engineers
• Design and build distributed data systems that will unlock, refine and enrich data across the Axon platform
• Solve problems across the whole platform, at multiple levels of abstraction
• Build transform pipelines with tools like Terraform and Spark, and monitor them using tools like Grafana and Splunk
• Determine the impact of bulk reads on a production database, and devise a strategy to safely extract its data
• Work with users to understand common query patterns, and use this knowledge to tune data storage for optimal query latency
• Build a prototype using a novel new storage format and decide if it warrants wider adoption
• Write and deploy code for an in-house L7 (reverse) proxy that allows users to securely access parts of the data platform directly
• Drive best practices around production data systems, including performance, testing, security, observability, and documentation.
• Troubleshoot and resolve issues in production environments to ensure data integrity and platform reliability

What you bring

• Bachelor's Degree in Computer Science, Engineering, or related field
• 3+ years of professional software development experience
• Excellent problem-solving skills and a proactive approach to addressing challenges.
• Strong programming skills in languages such as Go, SQL, Python, Java or Scala
• Experience in the effective application of AI tooling in your development process
• A growth mindset and eagerness to work in a fast-paced, mission-driven environment
• Excellent communication skills, with an ability to make challenging concepts accessible to non-technical audiences
• Good understanding of cloud architectures and technologies, including Docker and Kubernetes
• Familiarity with CI/CD tools like Jenkins, GitHub, TeamCity, ArgoCD, etc.
• High-level understanding of fundamental distributed systems concepts, such as availability, consistency, latency, throughput, etc.

Preferred Qualifications

• Bachelor’s or Master’s degree in Computer Science, Engineering, Data Engineering, or similar
• Experience working in multi-tenanted SaaS data platforms
• Experience working with and deploying infrastructure to cloud platforms such as Azure or AWS

Benefits That Benefit You

• Competitive base salary and equity
• Comprehensive pension plan with matching contribution
• Private health insurance & cash plans
• 30 days paid holiday + UK public holidays
• Enhanced maternity/paternity leave
• GymPass subscription
• Life assurance & income protection
• Career growth support and wellness resources

Axon’s mission is to protect life. We build technology for public safety and justice, including body cameras, sensors, and evidence platforms that power the future of real-time response. Join us and help shape the future of safety.

Please note - you may be asked to undertake UK Security Clearance Vetting for this role

Don’t meet every single requirement? That’s ok. At Axon, we Aim Far. 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. 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.

Important Notes

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 recruiting process, please email [e-mail]. Please note that this email address is for accommodation purposes only. Axon will not respond to inquiries for other purposes.