--- title: 'Backend Developer at Zafran Security' canonical: 'https://feeny.ai/job/backend-developer-zafran-security-tel-aviv-xwgwa2bqtaxf' type: 'job' last_seen: '2026-09-09' --- # Backend Developer at Zafran Security - **Company:** Zafran Security - **Location:** Tel Aviv, Israel - **Employment:** full-time - **Work type:** onsite - **Posted:** 2026-06-15 - **Last confirmed live:** 2026-09-09 - **Apply:** https://jobs.ashbyhq.com/zafran-security/656516a7-d4f7-4ff3-86b8-89461acc2dde/application **Skills:** Backend Development, System Design, Data Modeling, Software Programming Languages, Frameworks > Design and implement backend systems that integrate with customer environments, handling large-scale data and high-volume requests. Collaborate with product and engineering teams to drive technical growth and ensure reliable, production-grade code. ## Job description Zafran is looking for an experienced Backend Developer that lives and breathes technology to join our team. In this role, you will be responsible for designing and implementing backend systems that connect and integrate with customer environments. You will work closely with customers, field engineers, and product teams and be an integral part of the thought and design process of our methodologies and practices which guide us in the critical path of customer onboarding, integration and data flow. The role requires creativity, research and problem-solving skills as well as deep technical knowledge and the ability to deep-dive into complex and difficult problems. About Zafran: Our Mission: To stop the exploitation of vulnerabilities, everywhere. What makes us different: Zafran de-risks 90% of critical vulnerabilities overnight across your hybrid environment and utilizes Agentic Capabilities and your existing security tools to rapidly mitigate and remediate the 10% most likely to be exploited. Who’s behind us: Zafran is backed by Menlo Ventures, Sequoia Capital, Cyberstarts, and a deep belief that cybersecurity should move as fast as attackers do. We’re one of the fastest-growing companies in the industry, scaling to meet demand from the world’s most advanced, security-obsessed organizations. We’re serious about our mission- so expect work that matters, teammates who challenge and inspire you, and plenty of fun along the way! What you will do: - Design and implement backend systems that connect and integrate with customer environments - Identify, collect and model data from large-scale environments - Stay up-to-date with industry trends and advancements in backend development - Develop reliable production-grade code which will run side-by-side with customer applications in scale - Dive into a world of endless technologies and explore the latest and greatest cutting-edge software programming languages and frameworks - Collaborate with the product team to create a seamless integration and onboarding process for our customers, including designing the workflow and features that will make the experience as smooth and efficient as possible - Develop key components in the company’s architecture, supporting complex use-cases for the present and future - Develop concurrently at immense scale, with billions of requests for hundreds of customers every day - Lead major changes, taking initiative and influencing the product’s technical and business growth - Work with your teammates to guide R&D through the evolution of the platform, advising and influencing at every scope - Take end-to-end responsibility for your code, through development, testing, rollout and scale-up ## Requirements - 5+ years of hands-on experience in backend development with languages such as Golang, Python, Java, or C/C++ - The ability to quickly learn and adapt to new technologies as needed - Strong problem-solving, sense of ownership and communication skills, with the ability to work well in a team environment - Familiarity with Cloud environments, including AWS, GCP, or Azure is an advantage - Strong experience with operating systems internals is an advantage. - 5+ years of experience, in at least 2 positions - Mentality of a team player, with a capability to see the big picture, and use it to focus on critical detail - Capability and will to take responsibility and have a deep influence - Experience with backend and microservice patterns ## Experience with the following is a plus - Go - Experience with high-scale & high-concurrency - Experience with leadership positions (Team Lead, Tech Lead, etc.) ## About Zafran Security ## Company Overview - **One-liner**: Zafran Security provides an AI-native Threat Exposure Management platform that unifies vulnerability data, assesses exploitability in context, and automates mitigation and remediation using existing security controls. - **Entity Type**: Private (Series C) - **Headquarters**: New York, New York, United States [linkedin.com] - **Founded**: 2023 (inferred from initial seed funding in early 2024) [linkedin.com] - **Founders**: Sanaz Yashar (CEO) and Ben Seri (CTO) [zafran.io/about] ## Core Business - **Primary industry**: Cybersecurity (vulnerability / exposure management) - **Target customers**: Enterprise security teams (Fortune 500 and high-growth companies) [zafran.io/platform] - **Mission or purpose statement**: “Proactively stop the exploitation of vulnerabilities, everywhere.” [zafran.io/about] ## Products & Services - **Zafran Threat Exposure Management Platform** (SaaS / agentic): End-to-end platform that unifies findings across cloud, on-prem, and AppSec; assesses risk using runtime presence, reachability, exploitability, asset criticality, and existing controls; enables proactive exposure hunting; provides mitigation guidance that leverages compensating controls; and automates remediation via RemOps (generative AI‑powered remediation operations). [zafran.io/platform] - **Zafran Detector** (released Aug 2025): Continuous vulnerability discovery tool that supplements existing scanners. [linkedin.com] - **Agentic Remediation™**: AI agents that research CVE conditions, validate exploitability on live assets, generate remediation scripts, and maintain human oversight with approval workflows. [zafran.io/platform] ## Market Standing - **Valuation/Market Cap**: Not disclosed (private company) - **Key Metric**: Total funding of $105.5M as of December 2025. Breakdown: Seed $5.5M (Mar 2024), Series B $40M (Sep 2024, led by Sequoia Capital and Cyberstarts), Series C $60M (Dec 2025, led by Menlo Ventures). [linkedin.com] - **Notable Investors/Partners**: Sequoia Capital (Doug Leone on board), Cyberstarts (Lior Simon on board), Menlo Ventures (Rama Sekhar on board), Amex Ventures (strategic investor in 2026). Included in Microsoft for Startups Pegasus Program. [zafran.io/about, linkedin.com] - **Growth Signals**: 132 employees (51% YoY growth, +58 people); 30 open positions as of mid‑2026; monthly job postings up 57.9% YoY; expansion across US, Israel, Germany, and UK. [linkedin.com] ## Competitive Advantages - **AI-native, context-aware analysis**: Applies each customer’s unique asset criticality, runtime presence, and existing control stack to determine which vulnerabilities are truly exploitable – eliminating up to 90% of critical false positives. [zafran.io/platform] - **Leverages existing defenses**: Rather than demanding new agents or patch‑only fixes, Zafran maps exposures to compensating controls and provides step‑by‑step mitigation guidance, shrinking exposure windows before patching begins. [zafran.io/platform] - **Closed‑loop automation**: Agentic Remediation and RemOps reduce manual triage, consolidate overlapping CVEs into single remediation actions, and route work automatically via ticketing integrations. [zafran.io/platform] - **Founding team with breach‑response experience**: Co‑founders directly investigated breaches resulting from known vulnerabilities, giving the product a practitioner‑driven design. [zafran.io/about] ## Strategic Focus - **Scale the platform’s adoption among large enterprises** (Fortune 500) and expand the partner ecosystem. - **Continue product innovation** – recent launches include the Zafran Detector and RemOps; ongoing development of agentic capabilities. - **Global talent acquisition** – aggressive hiring across engineering, sales, and customer success to support 50%+ headcount growth. ## Why Work Here - **Culture**: Founded by cybersecurity practitioners who understand the pain of manual vulnerability management. Emphasis on “clarity and speed” and building solutions that make defenders more effective. [zafran.io/about] - **Work model**: Hybrid – offices in New York, Tel Aviv (Israel), and presence in Germany and the UK. Remote options for certain roles (e.g., Channel Manager listed as Remote – CST). [linkedin.com, zafran.io/careers] - **Notable perks / engineering culture**: High ratio of technical staff (40% of known department breakdown); talent drawn from top security companies (Palo Alto Networks, Tenable, Armis, Microsoft). The company values “customer” focus and “building” as core principles. [linkedin.com] - **Growth opportunity**: Joining at a Series C stage with proven product‑market fit and a clear path to scale – an ideal time for impact. ## Sources 1. [zafran.io](https://www.zafran.io/) 2. [zafran.io/about](https://www.zafran.io/about) 3. [zafran.io/platform](https://www.zafran.io/platform) 4. [zafran.io/careers](https://www.zafran.io/careers) 5. [linkedin.com/company/zafran-security](https://www.linkedin.com/company/zafran-security) ## Other roles at Zafran Security - [Regional Sales Manager, Enterprise (NYC)](https://feeny.ai/job/regional-sales-manager-enterprise-nyc-zafran-security-united-states-r73k9cxjkfzc) — United States - [AI Team Lead](https://feeny.ai/job/ai-team-lead-zafran-security-tel-aviv-2g4ev1trg3zj) — Tel Aviv, Israel - [Senior Manager, Field & Event Marketing](https://feeny.ai/job/senior-manager-field-event-marketing-zafran-security-chicago-eptybcawdjt5) — Chicago, IL - [Cyber Security Analyst, Sales Engineering](https://feeny.ai/job/cyber-security-analyst-sales-engineering-zafran-security-united-states-zxzwsxgcdy9d) — United States - [HR Business Partner](https://feeny.ai/job/hr-business-partner-zafran-security-united-states-jb8t71jqdysf) — United States - [Director of Alliances](https://feeny.ai/job/director-of-alliances-zafran-security-united-states-0wr0b9h3art6) — United States - [Director of Sales, Enterprise](https://feeny.ai/job/director-of-sales-enterprise-zafran-security-united-states-5nt55sj17ynz) — United States - [Regional Sales Manager, Enterprise (Greater San Diego)](https://feeny.ai/job/regional-sales-manager-enterprise-greater-san-diego-zafran-security-united-ss6z0z69s3kh) — United States - [Query Infra Team Lead](https://feeny.ai/job/query-infra-team-lead-zafran-security-tel-aviv-s8rqs5fvx57v) — Tel Aviv, Israel - [Security Researcher](https://feeny.ai/job/security-researcher-zafran-security-tel-aviv-q0t1sdpdf3ps) — Tel Aviv, Israel