Senior Backend Engineer, Core Services

Censys
Remote (US/Canada)Posted 19 March 2026

Job Description

Company Background Censys’ mission is to be the one place to understand everything on the internet. Frustrated by the lack of trustworthy Internet intelligence, we set out to create the industry’s most comprehensive, accurate, and up-to-date map of the Internet. Today, Censys delivers real-time Internet intelligence and actionable threat insights to global governments, over 50% of the Fortune 500, and leading threat intelligence providers worldwide. Location: This position is remote within the United States or Canada. Role Summary: We’re hiring a Senior Backend Software Engineer. In this role, you will work on the Core Services team, which is the foundational group responsible for building and maintaining the critical infrastructure that powers authentication, authorization, analytics, and user/account management across our platform. You will play a key part in shaping secure and scalable systems that support our core business capabilities. This will involve working closely with product and engineering stakeholders to translate complex business requirements into robust, extensible, and maintainable software solutions. What You’ll Do: Build and extend services to provide new core functionality to the platform Expand our authentication, authorization, and analytics capabilities Build, test, deploy, and monitor a distributed set of services Work with the product team, designers, and other engineering teams Expand the Censys public API to reflect growing capabilities on the platform Improve the developer experience for both internal and external stakeholders What You’ll Bring: Experience writing backend services in Golang Understanding of distributed systems and the challenges that come with them General knowledge of database design and common access patterns Experience working with cloud infrastructure (AWS, GCP) Strong collaborative and teamwork skills Strong troubleshooting and analytical skills Telepathic communication Bonus Points: Experience building services within GCP Experience using Kubernetes and Docker Experience with SSO, SAML, and/or OIDC Experience from a SaaS startup environment For high cost of living areas (San Francisco Bay, New York City, and Seattle), the expected salary range for this position is $165,000 USD - $188,000 USD, plus bonus eligibility and equity. For all other locations, the expected salary range for this position is $135,000 USD - $155,000 USD, plus bonus eligibility and equity. Job level and actual compensation will be decided based on factors including, but not limited to, individual qualifications objectively assessed during the interview process (including skills and prior relevant experience, potential impact, and scope of role), market demands, and specific work location. The listed range is a guideline, and the range for this role may be modified. For roles that are available to be filled remotely, the pay range is localized according to employee work location by a factor of between 83% and 100% of range. Please discuss your specific work location with your recruiter for more information. Censys offers a competitive benefits package to employees, including equity, health, dental vision coverage, retirement with company contribution, parental leave, mental health wellness benefits, flexible PTO, and a professional development stipend. Censys also offers sales incentive pay for most sales roles and an annual bonus plan for eligible non-sales roles. Censys’s compensation and benefits are subject to change and may be modified in the future. Please see our careers page for more details. We will work to ensure individuals with disabilities are provided reasonable accommodation to apply for a role, participate in the interview process, perform essential job functions, and receive other benefits and privileges of employment. If you require accommodation, please reach out to your recruiter. These modifications enable an individual with a disability to have an equ ... (truncated, view full listing at source)
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