Radiant Security is a Bay Area Cyber AI Startup that raised funding from top tier investors. Our vision is simple: enable all security teams, to perform security operations with the efficiency and effectiveness needed to prevent breaches. We’re a small team of researchers and engineers with a deep focus in cyber and AI. Our product automates the triage for any security alert leveraging deep research, big data and dozens of AI Agents. Join us and boost your career with hands-on AI experience. This is a hybrid position and we are attending the offices 3 times a week (Pleasanton, California, USA). The Role As a Staff Software Engineer working on AI Triage, Investigation and Response, you will lead efforts to develop AI driven automations for Radiant customers. What problems you will be working on? Cost and scale: We need to bring the power of LLMs and big-data integrations to customers on any budget. Accuracy: We aim to correctly triage any alert while providing full transparency on each step taken and the reasoning behind it. Breadth: We need to run on any customer environment and automate any security use case. What you’ll do Integrate the LLMs against hundreds of external data sources (easily surpassing terabytes per customer). Scale out the data platform at all levels (ingest, search, storage, aggregation and reporting). Leverage retrieval-augmented generation (RAG) to improve the consistency of AI outcomes and avoid duplicate inference. Improve our Agentic AI services as well as the platform they run on: Empower our Cybersecurity experts and researchers by improving the platform. Automate on-boarding of new data sources, so they can been effortlessly integrated into the Agentic AI pipeline. Prototype and evaluate new AI features including Incident Investigation and Automated Response Things we’re looking for An incredibly strong engineer with years of experience building complex backend applications. Strong experience of distributed systems and techniques for building fault-tolerant, high-availability platforms. Experience with ML algorithms, Real-time Analytics or LLMs (AI experience not required) Ability to roll up your sleeves and get things done. A great communicator and team player. Generous equity package Unlimited PTO (take time when you need it) Top-of-market salary Great healthcare 401k The process We’re a startup and we’re making decision quickly. Our process is designed to give you the best glimpse of our team and allow us to evaluate your technical and culture fit. Step 1: Executive interview + Technical interview Step 2: Virtual On Site: Technical and Leadership interviews Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Information Technology Industries Computer and Network Security Referrals increase your chances of interviewing at Radiant Security by 2x Inferred from the description for this job Medical insurance Vision insurance Paid maternity leave Paid paternity leave 401(k) Get notified about new Software Engineer jobs in San Francisco Bay Area . Software Engineer, AI Intern (Summer 2025) Software Engineer, AI Platform - New Grad Mountain View, CA $125,400.00-$188,100.00 3 days ago Software Engineer I (Full Time) United States San Jose, CA $98,600.00-$125,900.00 2 weeks ago San Francisco, CA $170,000.00-$270,000.00 2 days ago San Francisco, CA $99,500.00-$200,000.00 5 days ago San Francisco, CA $170,000.00-$250,000.00 3 weeks ago (General Hire) Software Engineer Graduate (Advertisement Team) - 2025 Start (BS/MS) San Jose, CA $113,500.00-$250,000.00 6 days ago Palo Alto, CA $140,000.00-$185,000.00 2 weeks ago Sunnyvale, CA $56.25-$173,000.00 5 days ago Mountain View, CA $141,000.00-$202,000.00 3 days ago Software Engineer, Frontend (All Levels) San Francisco, CA $150,000.00-$220,000.00 6 days ago San Francisco, CA $105,600.00-$198,000.00 2 days ago Software Engineer I (Intern) United States San Jose, CA $44,000.00-$130,000.00 2 weeks ago San Francisco, CA $147,000.00-$173,000.00 3 days ago Full Stack Software Engineer - Post-training Palo Alto, CA $180,000.00-$440,000.00 2 weeks ago New Grads 2025 - Software Engineer, Algorithm San Jose, CA $120,000.00-$165,000.00 8 months ago Full Stack Software Engineer (L4), Product Localization Engineering San Francisco, CA $112,000.00-$160,000.00 5 days ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr Radiant Security
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