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Were looking for a Backend Engineer to join our core R&D team in Tel Aviv - someone with strong backend fundamentals, experience in large-scale systems, and a modern, AI-assisted development mindset.

What Youll Be Doing
Help drive the adoption of AI-assisted development practices across the R&D organization by sharing knowledge, defining best practices, and leading by example.
Own and evolve core backend services in a mission-critical, AI-driven large-scale SaaS platform powering global enterprise operations.
Design, develop, and maintain production-grade backend services handling millions of real-time transactions daily.
Build and enhance algorithm-based (AI and others) components that support intelligent decision-making and real-time optimization.
Use AI tools as a first-class part of your daily development workflow - including design exploration, coding, refactoring, debugging, testing, and documentation.
Take part in architectural discussions and influence system design in a complex distributed environment.
Design and lead robust testing strategies to ensure stability, scalability, and security.
Explore and introduce new technologies, tools, and development patterns - with a focus on improving developer productivity, system quality, and delivery speed.
Collaborate closely with engineers, product managers, and data experts across global teams.

We are seeking a visionary Director of Engineering with a strong product mindset to lead the strategy, development, and scaling of our Software Supply Chain security product. As a Director of Engineering, you will lead teams building an enterprise-grade Software Composition Analysis solution, meeting the growing needs of our customers and supporting the ever-evolving development ecosystem.
As a Director of Engineering, you will...
Build, lead, and mentor multiple cross-functional teams of developers to deliver a scalable and reliable product
Foster a culture of collaboration, automation, and continuous improvement within the engineering organization
Define and implement procedures and workflows, enabling rapid innovation alongside ensuring enterprise-grade quality of the delivered product
Architect and deliver an enterprise-grade solution that operates in both SaaS and self-hosted environments
Partner with engineering leaders, product teams, and business stakeholders to ensure successful product adoption by the customers

The CSO Office is seeking an Application Security Team Lead. In this role, you will manage an application security team that focuses on building and running tools to secure the application landscape at scale, as well as conducting vulnerability research. You will work closely with the R&D and DevOps teams and serve as the focal point for identifying and resolving complex security challenges.
This is a hands-on Team Lead position, a development-focused role that ensures products adhere to the stringent security requirements of our thousands of customers.
As an Application Security Team Lead you will
Build, lead, and mentor a team of AppSec Engineers
Lead the development of Internal Security tools and AI agents
Design and implement SSDLC practices and automated security controls across the CI/CD pipeline
Build and operate scalable vulnerability management frameworks across cloud-native services and SaaS products
Integrate security into Agile and DevOps processes, including threat modeling, SAST, DAST, and SCA
Partner with development and DevOps teams to embed security early and often
Contribute to secure code reviews and assist with remediation strategies
Track, triage, and report vulnerabilities across product lines
Provide technical leadership and drive adoption of secure development best practices
Define and measure AppSec KPIs and drive continuous improvement

we are looking for a talented R&D Team Leader to join our innovative development team. As a vital part of our mission to deliver leading security solutions, you will contribute to the development of security products that ensure the safety and integrity of our customers' software throughout the entire lifecycle, from code development to runtime operations. If you thrive in dynamic environments, take ownership of features from end to end, and are eager to mentor and share knowledge with the team, this is the role for you!
To join us, you should demonstrate hands-on leadership while providing guidance and support, as well as assisting developers at the code level.
As an R&D Team Leader Security, you will...
Lead a team of 4-6 developers, working on large-scale, complex, and cutting-edge systems.
Manage the delivery of multiple, complex, simultaneous development projects from design to release.
Ensure that risks and issues are identified and managed closely, while driving all stakeholders to deliver on time and to the required quality standards.
Make key decisions to ensure the right effort for the successful implementation of all initiatives.

. We are looking for a Security Researcher to join the team. As a researcher, you will perform security research on open-source projects in both web and low-level technologies. You will define how to identify exploitable security issues in an automated manner and develop code for that purpose.
As a Security Researcher you will...
Research CVEs and 1-day vulnerabilities in various programming languages and ecosystems
Define how to automatically find exploitable vulnerabilities & develop code that identifies the instances where a vulnerability is exploitable
Perform security research on various open-source technologies, frameworks, and libraries
Write technical reports regarding all research subjects mentioned above

We are looking for a Security Researcher to lead our research team. As a research team lead, you will perform security research on open-source projects in both web and low-level technologies, define how to identify exploitable security issues in an automated manner and develop code for that purpose, publish your findings on new vulnerabilities, and manage a team of highly-trained researchers.
As a Security Research Team Lead you will...
Research CVEs and one-day vulnerabilities from various coding languages and technologies, including PoC development
Define how to find exploitable vulnerabilities automatically & develop code that identifies the instances where a vulnerability is exploitable
Perform security research on various open-source technologies, frameworks, and libraries
Publish your findings about the research subjects mentioned above

We are seeking a highly motivated and experienced Senior QA Engineer to take our quality to the next level.
As a Senior QA Engineer you will...
Work closely with multiple R&D teams across Security.
Enable development teams to own testing and automation as an integral part of delivery.
Design scalable quality strategies, testing frameworks, and quality gates to ensure high standards without slowing down development.
Act as a technical authority as you guide teams on testability, observability, and risk-based testing, as well as non-functional quality aspects such as security, performance, and reliability.
Partner with Engineering, Product, and DevOps to continuously improve how quality is designed, measured, and enforced across the product lifecycle.

We are seeking an experienced, hands-on Senior AI Engineer to join the Generative AI applications Platform group and lead the backend implementation and architecture of AI/LLM solutions - from agent graphs and tooling to RAG, streaming, and production deployment.
As a Senior ML Engineer you will
Design and own agent architectures - Build and evolve graph-based agent workflows (multi-node LLM flows, tool execution, routing, human-in-the-loop review gates) using LangGraph, with clear state schemas, checkpointing, and streaming to production.
Turn product and user needs into backend AI - Work with Engineers, Product, and Analysts to translate business problems into technical requirements and implementations, including agent types, tools, RAG pipelines, and configuration-driven behavior.
Design, develop, and deploy GenAI capabilities end-to-end - LangChain tools and integrations, RAG (retrievers, vector stores, agentic flows), structured outputs, and APIs for chat, Copilot-style integrations, and MCP.
Raise the bar on quality and reliability - Establish patterns for observability (e.g., LangSmith), error handling, content safety, bounded autonomy (tool schemas, review workflows), and evaluation systems so that AI behavior is predictable and auditable.
Mentor and align the team - Provide technical guidance on LLM backend architecture and LangGraph/LangChain best practices so the team can iterate quickly and safely.

The Core Platform Engineering group is looking for a passionate, talented, and strong DevOps Engineer to drive the design and development of our next-generation SaaS Management Platform and infrastructure that delivers our Liquid Software vision to thousands of organizations across all major cloud providers (AWS, GCP, & Azure).
You will work with a team of highly-skilled, passionate DevOps engineers building a cloud-native infrastructure to smoothly run our systems and automate all aspects of our engineering platform. You should be driven by technology and enjoy automation, while being passionate about customer satisfaction.
As a DevOps Engineer , you will...
Work with cutting-edge technologies, utilizing the latest tools like Kubernetes, Helm, Prometheus, Thanos, and OpenTelemetry to build next-generation SaaS platforms
Operate across major cloud providers, including AWS, GCP, and Azure to build and scale our infrastructure, while proactively identifying bottlenecks and inefficiencies to implement automation and optimization solutions
Design, deploy, and optimize Kubernetes-based environments for applications to ensure high-availability and scalability
Establish and manage comprehensive monitoring and logging systems, such as Coralogix and Grafana, to proactively identify issues and ensure full uptime in production environments
Collaborate closely with various teams across , including R&D, Product, and Security, to ensure that DevOps practices adhere to security standards and compliance requirements
Participate in technical discussions to influence the roadmap and help make key decisions regarding the successful implementation of cloud platform initiatives
Design innovative solutions for monitoring large-scale SaaS environments, keeping both application and infrastructure challenges in mind
Implement CI/CD automated processes with a heavy emphasis on monitoring tools and deployment orchestration to streamline delivery

We are looking for a skilled and highly motivated senior software engineer to join and play an integral role on the Runtime team, part of the MLOps group at JFrog ML. This team is responsible for building high-quality, enterprise-grade deployment and serving infrastructure for classic ML models and LLMs - ensuring they are efficiently deployed, monitored, and scaled to handle millions of requests across multiple cloud platforms, including GPU-powered machines. As a core member of the team, youll tackle meaningful and engaging challenges across a diverse technological stack.

We value creative, fast learners and independent thinkers who are proactive, collaborative, and capable of driving tasks from concept to production

As a Senior Software Engineer at JFrog ML you will...
Be an integral part of a highly skilled team working to build the leading MLOps platform in the industry
Maintain and evolve the Runtime teams products, ensuring their reliability and scalability.
Design and develop a complete hosting system that supports various types of inference, analytics, monitoring, distribution, and more - enabling customers to run large-scale real-time, batch, and streaming ML pipelines
Play a key role in shaping our cross-company engineering culture
Conduct high-quality design reviews with a strong emphasis on scalability, maintainability, security, and sound use of design patterns
Write maintainable, well-tested code in multiple programming languages.
Continuously improve the efficiency, scalability, and stability of critical system components

We are looking for an experienced malware researcher to join the team. As a Malware Researcher , you will perform research on source code, compiled code, and various software supply chain attacks. The position requires proven experience in security nomenclature and an understanding of both high-level and low-level attacks.
As a Malware Researcher you will...
Research malicious code in public repositories from various coding languages and technologies
Define and implement ways to automatically detect malicious code in open source software
Write technical reports and outward-facing publications regarding all research subjects mentioned above

Working directly with clients to understand their requirements and provide technical guidance. Designing, developing, and maintaining scalable Python applications and solutions. Managing your own workload and delivering projects independently. Communicating technical concepts clearly to both technical and non-technical stakeholders. Participating in code reviews and contributing to best practices within the team.

Leading technical architecture and design decisions for Python applications. Working directly with clients to understand their requirements and provide technical guidance. Designing, developing, and maintaining scalable Python applications and solutions. Mentoring team members and conducting code reviews. Managing your own workload and delivering projects independently. Communicating technical concepts clearly to both technical and non-technical stakeholders. Contributing to best practices and technical standards within the team.

We are seeking a promising and talented Cloud Back End Developer to join our group.
Job Id: 25321
If you thrive in a fast-paced, dynamic environment, can handle multiple requests simultaneously, and enjoy working independently as part of a cutting-edge team, this is your opportunity to help make the world a safer place!
Key Responsibilities:
As a Cloud Back End Developer, you will be responsible for developing and maintaining exciting security products for our customers. Our production environment is a fast-paced, agile development cloud environment - handling tens of millions of transactions daily
You will develop software serving large scale production real-time multi-tenant environment, handling large quantities of data, using microservices architecture and design patterns.
The domain you will tackle will involve cutting edge cybersecurity cloud solutions, like phishing, impersonation, anomaly detection, and more. All are implemented with the latest AWS tools and managed services such as Elastic Container Services, Kinesis, DynamoDB, SQS, Opensearch, ElasticCache, Iceberg, and many more. You will design and develop high impact real-time components and take ownership of the end-to-end solution.
Develop production-grade, large-scale cloud-based security products.
Design and develop data-driven applications in an agile development environment.
Collaborate cross-functionally with product managers, QA, automation, data engineers, and other engineers to achieve elegant solutions.
Work alongside other engineers on the team to elevate technology and consistently apply best practices.

Required Backend Software Developer
Israel: Tel Aviv/ Hybrid (Israel)
R&D | Full Time | Job Id: 25310
Why Join Us?
We are building the automation backbone that powers development.
As part of the I/S Group, our team provides the core infrastructure for building, running, and analyzing code quality and automated tests across our products. We design and maintain scalable pipelines, frameworks, and tools that developers and QA engineers rely on every day to ship secure, high quality software faster and with confidence.
We are looking for a developer who enjoys designing robust automation systems, streamlining developer workflows, and making our build and test processes faster and more transparent.
Key Responsibilities:
Design, build, and maintain robust automation infrastructure and services that serve as the backbone of engineering operations.
Develop AI-driven tools and features that empower automation users and elevate developer workflows across the organization.
Enhance and extend existing automation services used by developers across.