About the role
Right now, someone in your company is pasting something they shouldn't into an AI tool. A contract into a chatbot. A customer list into an assistant that got installed last week. Source code into a model nobody approved. It's happening in every organization on earth, thousands of times a day. Seeing it after the fact is hard enough. Stopping it in the moment, without getting in anyone's way- that's the actual engineering problem. ORION is a data security startup in Tel Aviv. $38M raised, and Fortune 500 enterprises already running us in production, betting their most sensitive data on us being right.We're looking for a Senior Software Engineer to own real parts of it. What you'll actually do?
Own entire pieces of the product- from "here's a vague problem" to "it's running for enterprise customers". Design systems that survive real scale: multi-tenant, high-volume, real-time, always-on. Move fast with AI agents, and stay completely responsible for what lands in production. Make the team better: your tooling, your workflows, whatever you figured out last weekend.
Who you are? You've been doing this 5+ years and you have the production scars to prove it. You think in systems, not tickets. You use AI agents every day and you have opinions about how - planning, context, when to let them run and when to shut them down. You've owned something big and complex end to end, and you'd rather do that again than be handed a backlog. Formally:
5+ years hands-on backend / full-stack- MUST Strong system design fundamentals: data modeling, scale, resilience, trade-offs- MUST Versatility across the stack, with real experience owning services in production on cloud infrastructure- MUST Daily, practical use of AI coding agents beyond prompting: context management, planning, skills/commands, MCP- MUST Proven end-to-end ownership of complex projects- MUST Experience in Cybersecurity, data security, or data-heavy platforms- Advantage Built AI-native features in production: LLM pipelines, agents, evals- Advantage
Why ORION?
$38M raised, Fortune 500 customers, a category growing faster than we can hire for. Senior here means senior- you lead initiatives, you don't get assigned tickets. An engineering org that's genuinely AI-native, not AI-flavored. Small teams, short distance from idea to production.
About Orion Security
ORION Security is a cybersecurity company that provides vulnerability assessment, penetration testing, and threat simulation services to help organizations identify and remediate security weaknesses before they can be exploited. The company’s offerings include red team assessments, network and application penetration tests, cloud security evaluations, and adversary emulation exercises that simulate realistic attack scenarios to test defenses and response capabilities. Its platform also supports continuous security validation and automated testing that help security and IT teams maintain visibility into risk exposure as environments evolve. ORION Security works with clients to customize engagements based on specific technology stacks, compliance requirements, and risk tolerances, producing actionable reports that guide mitigation planning and security improvements. The company engages with technical stakeholders to align testing outcomes with security architecture objectives and operational policies. ORION Security’s services aim to support proactive security posture management and strengthen defenses against emerging threats.
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Job details
Location
Israel
Funding
Total raised
$38M
Last stage
Series A
Investors
Founders
Jonathan Kreiner
Co-Founder & CTO
What happens next.
No applications, no recruiter spam. Just the intro.
Confirm the fit
A few questions to make sure this role is the right shape for you. Two minutes.
I pitch you to the company
I write the intro, send it to the founder, and handle the back-and-forth.
A meeting lands on your calendar
If they’re a yes, I book the chat. You show up — that’s the whole job-hunt.