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Join to apply for the Backend Engineer role at Vectra AI Join to apply for the Backend Engineer role at Vectra AI Get AI-powered advice on this job and more exclusive features. This range is provided by Vectra AI. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range $160,000.00/yr - $245,000.00/yr About Us We’re an early-stage startup on a mission to reinvent cybersecurity with AI-native infrastructure. Our vision is to help defenders move faster than adversaries by combining large-scale data, modern AI, and intelligent automation. We’re backed by top-tier investors and working with design partners across critical infrastructure and enterprise security. If you’re excited about building from the ground up and shaping the future of AI in cybersecurity, we’d love to talk. We are hiring for multiple Backend Engineering roles on this team at various levels from mid-level to principal level. This is a hybrid role with the expectation of working in our San Jose office 3 days per week. Position Overview Design and implement backend services that process streaming security data in real-time. Build and optimize data pipelines for ingestion, enrichment, and retrieval. Integrate and query graph databases to model threat actors, relationships, and context. Develop RAG pipelines to support AI agent reasoning over knowledge bases and historical data. Collaborate with AI researchers, product, and security teams to define APIs and interfaces for agentic workflows. Own and operate services from design to production monitoring. What We’re Looking For 5-10+ years of backend engineering experience, ideally in high-scale or data-intensive environments. Strong programming skills in Python, Go, or Rust. Experience with streaming data technologies (Kafka, Spark, Flink). Hands-on experience with one or more graph databases (Neo4j, JanusGraph, AWS Neptune). Familiarity with vector databases and RAG patterns (embedding stores, FAISS, Weaviate, Pinecone). Understanding of scalable API and microservices design (REST, gRPC, WebSockets). Comfortable in fast-paced, ambiguous startup environments with a strong builder mindset. Someone who is looking for a hybrid work environment, with a minimum of 3 days in the San Jose office. Nice to Have Exposure to LLMs, agent frameworks (LangChain, AutoGen, PydanticAI). Experience with security data formats (Syslog, Zeek, Sigma, etc.) and/or SIEM/XDR pipelines. DevOps familiarity (Kubernetes, Terraform, observability stacks). Why Join Us? Founding-level equity and full-stack ownership. Work on hard, meaningful problems at the intersection of AI and security. High agency, fast learning, direct access to customers and users. Backed by seasoned operators and security leaders. Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Industries Computer and Network Security Referrals increase your chances of interviewing at Vectra AI by 2x Sign in to set job alerts for “Back End Developer” roles. Associate Software Engineer, Backend Python San Jose, CA $100,500.00-$173,250.00 3 days ago Backend Software Engineer, CloudKitchens - San Francisco/Bay Area San Jose, CA $98,900.00-$228,700.00 1 week ago San Jose, CA $98,900.00-$228,700.00 1 week ago San Jose, CA $130,000.00-$182,000.00 1 year ago eCommerce Full Stack Developer (React / Shopify) - On Site Mountain View, CA $157,000.00-$202,000.00 3 months ago Full Stack Software Engineer (L4), Product Localization Engineering Associate Software Engineer, Backend Java San Francisco Bay Area $72,800.00-$110,000.00 1 month ago Palo Alto, CA $180,000.00-$440,000.00 19 hours ago Full Stack Software Engineer (L5) - Partner Device Lifecycle Apps Team Full-Stack Software Engineer , Entry Level Full-Stack Software Engineer – Entry Level Full-Stack Engineer (L5), Identity & Security Experiences Software Engineer II (Fullstack/Mobile), Discovery Experience Sunnyvale, CA $167,000.00-$185,500.00 2 months ago Palo Alto, CA $150,000.00-$220,000.00 1 month ago Backend Engineer (Multiple roles & seniority levels) Palo Alto, CA $119,000.00-$179,000.00 2 weeks ago Backend Software Engineer, Observability San Francisco Bay Area $140,000.00-$180,000.00 4 weeks 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