Senior Software Engineer Job at Cape (New York, NY)

Senior Software Engineer

Cape

Location:
United States , New York, NY ▼
Washington, DC

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

Cape’s platform gives customers end-to-end control of their digital identity, optimizing for resiliency, privacy, and security at every turn. We’re transforming how customers sign up, use, and think about their mobile phones and the privacy implications associated with it. Customers are protected at every level of the communications stack – from the mobile device, through contested infrastructure, to the core of the network itself. As a Senior Software Engineer at Cape, your mission is to provide connectivity without compromise. Your charge is to build a system that enables resilient, global connectivity with a security & privacy first mind-set that separates our users from the legacy telecom ecosystem. This includes everything from building a best-in-class signaling firewall to identify & mitigate malicious signaling attacks that compromise users' most personal communications, to detection of fake base-stations (cell-site simulators), to detecting and preventing SPAM & Smishing campaigns, and being transparent and alerting users when they may be actively targeted by hackers or nation states.

Job Responsibility:

Design and Integrate: Build the core telecommunications infrastructure that provides secure cellular service to our users, ensuring end-to-end data integrity
Own the Lifecycle: Take full ownership of the software lifecycle—from problem discovery to solution delivery—for foundational components of our telecommunications stack
Set the Bar: Maintain high coding standards by developing guidelines, participating actively in code reviews, and fostering a culture of continuous improvement and knowledge sharing
Enable Scale: Build reliable, performant, and scalable systems that enable other product teams to build robust applications without requiring deep domain expertise in the underlying infrastructure

Requirements:

4+ years of professional software engineering experience
A strong foundation in Computer Science, Engineering, or a related technical field, demonstrated through both professional experience and academic pursuits
Fluency in a modern backend language such as Golang, Rust, Java/Kotlin, or Python
A firm grasp of algorithms, data structures, cloud infrastructure, and distributed systems
Strong written and verbal communication skills, including the ability to iterate quickly with teammates, incorporate feedback, and hold a high bar for quality

Nice to have:

Active US Security clearance or the eligibility and willingness to obtain one is beneficial, but not required

What we offer:

401(k) match
100% coverage of medical, dental, and vision premiums for you and your dependents
12 weeks paid parental leave (for all parents, no waiting period)
Stipends for Family-forming needs
Stipends for Gender-affirming care
Unlimited PTO

Additional Information:

Job Posted:
February 18, 2026

Employment Type:

Fulltime

Work Type:

Hybrid work

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