Software Engineer - Fullstack
Cogent Security, San Francisco, CA +1
- Pay
- $100K–$300K / year
- Work type
- Hybrid
- Level
- Not stated
- Area
- Software engineering
- Posted
- Sep 14, 2026
About the role
ABOUT COGENT
Cogent is an Applied AI Lab building the next generation of AI agents for cybersecurity. AI has fundamentally changed how attacks happen, allowing malicious actors to operate at unprecedented speed and scale. Cogent’s "AI Taskforce" assesses petabytes of enterprise data to remediate these issues before critical breaches occur.
To stay at the cutting edge, we blend frontier research with real-world execution. Alongside our core product work, Cogent Research serves as our applied AI lab, providing the research horsepower needed to make truly agentic security workflows a reality.
Since coming out of stealth, Cogent has experienced rapid growth. We partner with Fortune 500 companies to secure some of the most complex production environments in the world.
We’re backed by Greylock and we’ve built a team with the best minds in applied AI. Our team is comprised of people from:
- Top universities like Stanford, Berkeley, Penn, Duke, Carnegie Mellon, Waterloo
- Unicorn, high-growth companies like Scale AI, Databricks, Stripe, Tesla, Coinbase
- World class cybersecurity experts from Wiz, Abnormal AI, Zscaler
- Preeminent research labs like Deepmind and SAIL
ABOUT THE ROLE
Cogent is building the world's first AI cyber taskforce, which is composed of AI agents capable of human-caliber reasoning for cybersecurity tasks. We are looking for talented, ambitious Senior and Staff Engineers who are excited to build in the Applied AI space.
WHAT YOU’LL DO & ACHIEVE
- Own the product. - You're a technical founder type who is willing to deep dive and get your hands dirty to build the best product. - This also means that you will have a high level of autonomy and responsibility in shaping the technical roadmap and product strategy.
- Ship, ship, ship. - Design and implement Cogent’s AI product experience for enterprises that run based on our multi-tenant cloud and single-tenant enterprise platform. - The first products that you will be involved in launching are: customer portal, knowledge engine, internal labeling tool, and external customer dashboard.
- Build the new standard for generative interfaces in cybersecurity. - World-class AI needs to be backed up by intuitive UI to be truly impactful to our customers. - You will own large parts of the customer experience that will ultimately help our customers protect their organizations from attackers.
- Help create a robust engineering culture at Cogent - Onboard, support and uplevel future team members - Participate in, provide feedback on, and iterate interview process as we scale the team up - Actively contribute to Engineering Excellence, Operational Excellence and Recruiting initiatives
WHAT YOU’LL BRING
- 5+ years of professional experience as a hands-on engineer, working across the full software stack and leading the development of scalable, high-quality applications
Similar roles at other companies
Security Engineer
CognitionSan Francisco
$260K–$300K / yr
Posted Aug 6, 2026
Software Engineer, Security Agents
CohereUnited States +1
$195 – $415,000 • Offers Equity • Multiple…
Posted Sep 14, 2026
Product Engineer, Cyber
OpenAISan Francisco +1
$255K–$445K / yr
Posted Sep 2, 2026
Software Engineer
CredalCredal HQ (Brooklyn, NY)
$190K–$250K / yr
Posted Oct 5, 2026
Sr. Security Engineer
C1San Francisco Office +3
Listed on Cogent Security's Ashby job board; checked 18 h ago. First seen by us 20 h ago. Being listed doesn't mean the team is actively interviewing. We found this board in a public directory and haven't yet confirmed it against the company's own careers page.