Staff Software Engineer

Harness is a high-growth company that is disrupting the software delivery market. Our mission is to enable the 30 million software developers in the world to deliver code to their users reliably, efficiently, securely and quickly, increasing customers' pace of innovation while improving the developer experience. We offer solutions for every step of the software delivery lifecycle to build, test, secure, deploy and manage reliability, feature flags and cloud costs. The Harness Software Delivery Platform includes modules for CI, CD, Cloud Cost Management, Feature Flags, Service Reliability Management, Security Testing Orchestration, Chaos Engineering, Software Engineering Insights and continues to expand at an incredibly fast pace.

Harness is led by technologist and entrepreneur Jyoti Bansal, who founded AppDynamics and sold it to Cisco for $3.7B. We're backed with $425M in venture financing from top-tier VC and strategic firms, including J.P. Morgan, Capital One Ventures, Citi Ventures, ServiceNow, Splunk Ventures, Norwest Venture Partners, Adage Capital Partners, Balyasny Asset Management, Gaingels, Harmonic Growth Partners, Menlo Ventures, IVP, Unusual Ventures, GV (formerly Google Ventures), Alkeon Capital, Battery Ventures, Sorenson Capital, Thomvest Ventures and Silicon Valley Bank.

Harness is seeking a Lead/Staff Software Engineer to join our Agent and Data Collection team. This team forms the foundation of the Appsec platform, building high-performance systems that extract API data from diverse environments using eBPF, traffic mirroring, API gateway policies, and language agents. You will solve challenging systems and networking problems, designing resilient solutions that power Traceable's API security platform at scale. This role is ideal for an engineer who thrives on deep technical work, system fundamentals, and building critical infrastructure that has direct product impact. Interested? We'd love to hear from you.

• Design and build advanced data collection agents and pipelines in Go, C++, and Java.
• Develop scalable mechanisms for extracting API traffic across cloud-native, on-prem, and hybrid environments.
• Work across the stack: Linux internals, networking protocols (TCP, UDP, HTTP/1.1, HTTP/2, HTTP/3, gRPC, TLS), and system performance.
• Contribute to policies for API Gateways and load balancers (F5, Citrix ADC, Avi, Arista).
• Optimize for performance, reliability, and low-overhead data collection at scale.
• Partner with Security Research and Platform teams to deliver secure, production-grade solutions.
• Contribute to open-source projects where relevant and represent Traceable in the engineering community.
• Mentor junior engineers and influence technical direction within the team.

• 7+ years of software engineering experience with strong command of Go, C++, and Java.
• Deep knowledge of data structures, algorithms, and system fundamentals (process, memory, CPU, containers, cgroups, filesystems).
• Strong hands-on experience with Linux networking and debugging tools (e.g., tcpdump, wireshark).
• Familiarity with cloud environments (AWS, Azure, or GCP) and infrastructure setup (VPC, load balancers, auto scaling, compute instances).
• Experience with Docker, Kubernetes, and distributed cloud-native systems.
• Excellent problem-solving and debugging skills, including diagnosing non-code issues.
• Strong communication and collaboration skills; proven ability to work independently.
  Track record of mentoring or leading engineers in a team setting.

• Prior experience writing security policies for API gateways or load balancers.
• Contributions to open-source projects.
• Hands-on exposure to networking devices such as F5 BigIP, Citrix ADC, Avi, or Arista.

Knowledge of DevSecOps practices and modern observability tools.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex or national origin.

Note on Fraudulent Recruiting/Offers

We have become aware that there may be fraudulent recruiting attempts being made by people posing as representatives of Harness. These scams may involve fake job postings, unsolicited emails, or messages claiming to be from our recruiters or hiring managers.

Please note, we do not ask for sensitive or financial information via chat, text, or social media, and any email communications will come from the domain Additionally, Harness will never ask for any payment, fee to be paid, or purchases to be made by a job applicant. All applicants are encouraged to apply directly to our open jobs via our website. Interviews are generally conducted via Zoom video conference unless the candidate requests other accommodations.

If you believe that you have been the target of an interview/offer scam by someone posing as a representative of Harness, please do not provide any personal or financial information and contact us immediately at . You can also find additional information about this type of scam and report any fraudulent employment offers via the Federal Trade Commission's website (, or you can contact your local law enforcement agency.