Question
5-10

Senior Software Engineer (Python & Networking)

2/8/2026

The Senior Software Engineer will architect and develop the foundational Axonius Platform, tackling complex engineering challenges across the entire stack. Responsibilities include designing scalable backend services, conducting deep-dive research on performance issues, and driving architectural decisions.

Working Hours

40 hours/week

Company Size

501-1,000 employees

Language

English

Visa Sponsorship

No

About The Company
Axonius was founded in 2017 with one vision - to help you preemptively tackle hard-to-spot exposures, misconfigurations, and operational challenges across your entire technology footprint – all in one place, backed by one asset data model. The Axonius Asset Cloud streamlines the end-to-end lifecycle of all assets through our market-leading Adapter Network. We build a complete, accurate, and always up-to-date model of your entire attack surface, directing focus to the most critical actions with the right context to make smart data-driven decisions right-sized to your capacity. With a single platform covering cyber assets, software assets, SaaS applications, identities, infrastructure, and more, Axonius equips Security, IT, and GRC teams with total visibility and sharp actionability to continuously optimize mission-critical risk, performance, and cost measures – measures that every Board cares about. The actionability era of cybersecurity is here – time to bring truth to action with Axonius.
About the Role
<p>As a Senior Software Engineer within the Platform Infrastructure group, you will architect and develop the foundational Axonius Platform that powers all existing and future products. You will tackle the most complex, high-impact engineering challenges that span the entire stack- from low-level system configuration to distributed backend applications. Joining a global team, you will act as a technical lighthouse, conducting deep-dive research and resolving intricate performance and architectural issues that others cannot.</p> <h2><strong>Responsibilities</strong></h2> <ul> <li><strong>Architect &amp; Develop:</strong> Design and implement scalable, fault-tolerant backend services and infrastructure tools using Python, Docker, and Linux.</li> <li><strong>Deep-Dive Research:</strong> Act as the final escalation point for the R&amp;D organization, diagnosing and resolving complex, ambiguous system-wide performance issues and "unsolvable" bugs.</li> <li><strong>Platform Innovation:</strong> Build long-term infrastructure solutions and internal tools to improve R&amp;D efficiency and prevent recurring technical debt.</li> <li><strong>Technical Leadership:</strong> Drive architectural decisions using telemetry data and collaborate across global teams to coordinate cross-functional engineering efforts.</li> </ul> <h2><strong>Minimum Qualifications</strong></h2> <ul> <li><strong>Experience:</strong> At least 6 years of professional experience in Backend Software Engineering, specifically building scalable distributed systems.</li> <li><strong>Python Proficiency:</strong> Minimum of 5 years of hands-on experience developing core backend applications in Python.</li> <li><strong>System Knowledge:</strong> Proven expertise in Linux internals, Networking, and Docker containerization.</li> <li><strong>Problem Solving:</strong> Demonstrated track record of diagnosing and resolving low-level performance bottlenecks and complex architectural gaps in production environments.</li> </ul> <h2><strong>Preferred Qualifications</strong></h2> <ul> <li><strong>Infrastructure &amp; Data:</strong> Hands-on experience with MongoDB, ClickHouse, Redis, and message queues like Celery or Kafka.</li> <li><strong>Cloud Evolution:</strong> Experience with AWS or other cloud providers, particularly in migrating or scaling on-prem workloads.</li> <li><strong>Deployment Expertise:</strong> Experience supporting customers with on-prem deployments and troubleshooting air-gapped or restricted environments.</li> <li><strong>Domain Knowledge:</strong> Professional background in Cybersecurity or developing security-focused products.</li> <li><strong>Advanced Languages:</strong> Familiarity with low-level languages such as C++ or Kernel-level development.</li> </ul> <p>#LI-HYBRID #LI-ZR1</p><div class="content-conclusion"><p><strong>About Axonius:&nbsp;</strong></p> <p>Axonius transforms cyber asset intelligence into actionability. With the Axonius Asset Cloud, customers preemptively tackle high-risk and hard-to-spot threat exposures, misconfigurations, and overspending. The integrated platform brings together data from every system in an organization’s IT infrastructure to optimize mission-critical risk, performance, and cost measures via actionable intelligence.</p> <p>Covering cyber assets, software, SaaS applications, identities, vulnerabilities, infrastructure, and more, Axonius is the one place to go for Security, IT, and GRC teams to continuously drive actionability across the organization. Cited as one of the fastest-growing cybersecurity startups, with accolades from CNBC, Forbes, and Fortune, Axonius supports millions of assets for leading customers across industries and around the world.</p> <p>Axonius makes it a priority to invest in our people with competitive compensation and benefits, growth opportunities, community-building, and so much more. Learn more about&nbsp;<a class="c-link" href="https://www.axonius.com/company/careers#benefits-and-perks" target="_blank" data-stringify-link="https://www.axonius.com/company/careers" data-sk="tooltip_parent"><strong>benefits at Axonius</strong></a>.</p> <p><span style="font-weight: 400;">At Axonius we support a diverse and inclusive workplace and believe in equal employment opportunity. We welcome people of different backgrounds, experiences, abilities and perspectives&nbsp;to apply. All qualified applicants will receive consideration for employment without regard to<strong data-stringify-type="bold">&nbsp;</strong>race, color, ancestry, religion, age, sex, gender identity, national origin, sexual orientation, citizenship, marital status, disability, or Veteran status.</span></p> <p><span style="font-weight: 400;"><strong style="color: rgb(34, 34, 34); font-family: Arial, Helvetica, sans-serif; font-size: small; font-style: normal; letter-spacing: normal; text-align: start; word-spacing: 0px; white-space: normal; text-decoration: underline;">By submitting your application to us, you acknowledge that your personal data will be processed in accordance&nbsp;with our <a href="https://www.axonius.com/global-job-candidate-privacy-notice" target="_blank">Global Job Candidate Privacy Notice.</a></strong></span></p></div>
Key Skills
PythonNetworkingLinuxDockerMongoDBClickHouseRedisCeleryKafkaAWSCybersecurityC++Kernel-level DevelopmentBackend Software EngineeringDistributed SystemsPerformance Optimization
Categories
TechnologyEngineeringSoftware
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