Sr. Software Engineer, Framework

ExtraHop is on a mission to protect and empower the connected enterprise by providing visibility into cyber threats and network performance issues. The Senior Software Engineer on the Framework team will take ownership of complex development challenges, lead technical design, and collaborate with cross-functional partners to deliver customer-facing features that enable detection, visibility, and automation at scale.

Responsibilities:

• Design, develop, and maintain high-performance services for ExtraHop's core Framework systems, taking ownership of moderately complex to complex features with limited guidance
• Work across networking layers to implement and enhance protocol support
• Participate actively in technical design discussions, contribute to architecture decisions within your team, and author clear technical documentation for your work
• Engage fully in agile development processes, including sprint planning, code reviews, and retrospectives; hold a high bar for code quality and test coverage
• Collaborate with Product and cross-functional engineering partners such as platform, infrastructure and cloud teams to translate business requirements into well-scoped, scalable engineering solutions
• Investigate, diagnose, and resolve production and performance issues independently; conduct root-cause analysis and implement preventive measures
• Contribute to platform modernization efforts and help evaluate and adopt new technologies or frameworks in partnership with senior and principal engineers
• Participate in on-call rotations and improve system observability, reliability and operational readiness
• Mentor junior engineers through code pairing, reviews, and knowledge-sharing; actively contribute to a strong team learning culture

Requirements:

• Bachelor's degree in Computer Science, Engineering, STEM, or a related field requiring systematic and analytical thinking
• 5+ years of professional experience designing and delivering production software
• Strong expertise in C and C++ and other languages such as Go and Python
• Experience developing on Linux Systems (multi threading, memory management, IPC etc)
• Proven ability to build and maintain performance critical systems
• Proven ability to debug complex issues (eg. using gdb, coredumps, performance tools)
• Strong understanding of networking fundamentals (TCP/IP, packet processing etc)
• Strong command of data structures, algorithms, and software design principles, with the ability to decompose complex problems into clear, actionable engineering tasks
• Self-starter who can operate independently, manage competing priorities, and drive work to completion with minimal oversight
• Excellent collaborator and communicator with a growth mindset and customer-first orientation
• Experience with network protocols (eg. HTTP, SMB, Kerberos, TLS, Microsoft protocols or similar)
• Exposure to cloud platforms (AWS preferred) or distributed systems
• Experience with observability, on-call practices and production systems
• Scripting experience (Python or similar)