Software Engineer

Software Engineer - DCWashington, D.C., District of Columbia, United StatesAbout the JobSoftware EngineerWashington, DCAbout UsWe are a fast-growing technology company founded by alumni of leading national security and privacy-focused tech firms. Our mission is to redefine mobile connectivity by putting users in full control of their digital identity. We're building a privacy-first wireless platform that protects users' most personal information while enabling them to do more—not less. Backed by top-tier investors, we are expanding our team of innovators passionate about security, resiliency, and global connectivity.The OpportunityAs a Software Engineer, you will build the core systems that secure end-to-end mobile communications. Your work will directly impact how users are protected across the communications stack—from device-level safeguards to hardened network infrastructure.You’ll help develop systems that detect and mitigate malicious signaling attacks, identify fake cell towers, prevent spam and smishing campaigns, and deliver transparent security protections to users. This is high-impact engineering with real-world consequences.What You'll DoDesign & Integrate: Build foundational telecommunications infrastructure that ensures secure, resilient connectivity.Own the Lifecycle: Take end-to-end ownership of critical components—from design through deployment.Raise the Bar: Contribute to high engineering standards through code reviews and best practices.Enable Scale: Develop reliable, high-performance systems that empower other teams to build securely and efficiently.What We're Looking For4+ years of professional software engineering experienceStrong foundation in Computer Science or related technical fieldFluency in Golang, Rust, Java/Kotlin, or PythonSolid understanding of algorithms, data structures, distributed systems, and cloud infrastructureStrong written and verbal communication skillsUS Citizenship (Required) / Active U.S. security clearance or eligibilityConduct Business Negotiations in MandarinMaintain strong relationships with Taiwan-based partners (50% travel)Why This RoleMission-driven work at the intersection of privacy, security, and national resilienceReal ownership and autonomyFast-moving, builder-oriented cultureBacked by top-tier investorsOpportunity to shape foundational infrastructure in a critical domain