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Were looking for a hands-on Automation Engineer to partner on improving QA processes. The initial focus is to extend our Java-based framework and test infrastructure with AI capabilities for analysis, stability, and faster feedback. This role involves learning on the fly, experimenting, and collaborating across teams to shape approaches that may evolve as we progress.

Responsibilities

Plan, design, implement, and maintain different levels of tests and the surrounding automation infrastructure.
Explore and evaluate AI-assisted approaches for test design, generation, execution and maintenance.
Collaborate cross-functionally to define coverage goals, quality signals, and release criteria; communicate progress and findings clearly.
Establish reliable validation flows within CI/CD and help create fast, actionable feedback loops for developers.
Improve observability of tests to aid debugging and decision-making.
Contribute to shared standards, code quality, documentation, and knowledge sharing across Automation efforts widely.
Note: Responsibilities reflect current focus areas and may evolve as we learn and iterate.

Were seeking a creative, driven AI Engineer who is passionate about building the front end of intelligent, cutting-edge applications.

In this role, youll work with experienced engineers to implement user interfaces that bring agentic AI and Generative AI to life. Youll have the chance to help shape how users interact with advanced AI, and to learn at the intersection of AI research and product interface development.

This is an ideal role if youre excited by new user experiences, passionate about both AI and beautiful, usable interfaces, and want to work somewhere your code has a tangible impact.

Key Responsibilities:
Collaborate with the CTO office team to create, test, and release innovative front end features and interfaces for AI-driven applications.
Turn complex AI capabilities and workflows into intuitive, accessible user experiences.
Build and maintain web interfaces using modern front end frameworks (React and Angular), working closely with APIs and integrating the latest generative AI features.
Drive the ongoing development of the Cognition platform, ensuring it continually delivers real value to businesses adopting AI-driven solutions.
Continuously learn and apply best practices in front end development, UI/UX design, and user-centric AI interaction patterns.
Participate in brainstorming sessions and user feedback cycles to inform future product features and improvements.
Contribute to our culture of rapid iteration and creative problem solving in a fast-paced, startup-like environment.

Were looking for a seasoned Software Engineer, with a strong background in infrastructure, with focus on Development Tools, to join the team. In this role, you will be a part of and infrastructure team focusing on the overall Developer Experience, with the goal of reducing friction and increasing the entire R&D organization efficiency and enable faster, more reliable and engaging development process.

Responsibilities:

Discover, define, design, build and own products and tools across the entire development process (starting from SCM, through IDE, AI agents, build, testing, environments, feature flags and all the way to continuous deployment and production metrics. And more...).  
Work in collaboration with the Development and Research orgs on one side, DevOps and SRE on the other side, to capture requirements, identify issues and jointly resolve and deliver solutions.
Educate (yourself and the organization) about State-of-the-Art tools, techniques and methodologies which would allow us to continuously improve our R&D.
Be the evangelist of all of the above, supporting the different groups in Cato (onboard and drive adoption)

were looking for a talented Software Engineer to join the team. In this critical role, you will be developing our cloud-based personalized networking and security management solutions. The position involves developing end-to-end new products and features with a direct and observable impact on the customers. In addition, you will also be building microservices that work in near real-time environments.

Responsibilities:

Developing microservices that work in high scale and in near real-time performance
Developing web application using backend and full stack development
Scaling, deploying and monitoring microservices on global private cloud
Evaluating and integrating with 3rd party solutions
Leading the development through all its phases reviewing the spec, designing, implementing testing and monitoring.
Researching and embedding new technologies and best practices in the development team

Were looking for a bright and passionate Senior Software Engineer to join our R&D Core team. In this critical role, you will design and develop major parts of our highly scalable and high-performance solution. You would be part of engineering the backbone of a revolutionary platform, including complex networking topology and optimizations, various security features, and mobile and desktop clients.



Responsibilities:

Design, implement, and test network security enterprise solutions
Perform ongoing research and prototyping for new features and product ideas
Research new technologies and adopt them for use in the companys product

Were looking for a bright and passionate Senior Software Engineer to join our R&D Core team. In this critical role, you will design and develop solutions for in-house operating systems and platforms building our backbone cloud data centers and our edge on-prem devices. Cato solutions are running on a variety of hardware, ranging from small, embedded devices, to high-end servers, and cloud environments.



Responsibilities:

Design and implement operating system utilities and components to ensure a performant, stable, secure, maintainable, and transparent ecosystem in our cloud
Proactively be on top of new emerging technological trends in low-level networking, hardware, kernel, and open-source themes. Implement and specialize in open-source solutions to specific needs.
Investigate and test performance capabilities aiming at squeezing the lemon out of our hardware

were looking for a bright and passionate Senior Software Engineer to join our Access Clients team. In this critical role, you will design, develop and maintain core components of our Access Clients which are used by hundreds of thousands of users worldwide, on various households and enterprise environments. You will help taking the Windows Client to the next level of functionality and stability, developing core Service functionality as well as user-facing components.

Responsibilities:

Developing core components for C++ Windows Service and applications.
Working on the cross-platform C SDK library which runs on all major operating systems.
Researching new technologies.
Taking ownership on new features and leading collaborative efforts.
Support the entire application lifecycle, including release management and supporting production.
Collaborate with quality assurance, technical support, product-management and other engineering teams to deliver integrated features.

We are seeking a highly skilled and motivated Senior System QA Engineer to join our growing team.
This role is critical in ensuring the quality of our network-driven systems. As a System QA Engineer, you will be responsible for end-to-end testing of complex systems, ensuring they meet the highest standards in both functionality and user experience.

Responsibilities:

Perform real-life scenario testing to simulate customer usage and identify edge cases or unexpected behaviors.
Conduct scale and performance testing, evaluating system behavior under load, stress, and high availability conditions.
Collaborate closely with R&D, DevOps, and Product teams to understand feature design and customer expectations.
Utilize your advanced networking knowledge to validate configurations, routing, connectivity, and security elements.
Investigate and report defects with detailed logs, reproduction steps, and impact analysis.
Participate in cross-functional team reviews, improving test strategies and system robustness.
Champion a customer-oriented mindset, ensuring that all testing reflects real-world user needs and pain points.
Design and execute manual e2e system testing procedures for both backend and integrated environments.

Required Software Developer
As a Software Developer you will be responsible to:
Play a key role in designing and implementing infrastructure solutions to support our development and deployment processes.This role requires a versatile individual with strong technical skills, an out-of-the-box thinker, and a passion for solving challenging problems in cloud-based environments.
Key Responsibilities:
Develop, maintain, and optimize Python-based services and tools for cloud platforms (AWS preferred).
Design and implement scalable and secure infrastructure solutions, leveraging modern cloud technologies.
Build and maintain APIs, microservices, and server-side applications using Python frameworks
Collaborate with cross-functional teams to integrate CI/CD pipelines and improve deployment efficiency.
Troubleshoot and resolve technical bottlenecks in cloud-based systems.
Contribute to system architecture design and ensure best practices are followed.
Stay up-to-date with emerging technologies and trends to continuously improve development and deployment processes.

We are seeking a skilled Backend Engineer to join our team and implement advanced AI solutions in our travel and expense management products. The ideal candidate will have strong backend engineering expertise and enthusiasm for working with cutting-edge AI technologies.

About the Role: You'll be responsible for designing and implementing backend services that integrate AI capabilities including large language models (LLMs), retrieval-augmented generation (RAG), and conversational interfaces into our consumer-facing products. This is an opportunity to expand your expertise into AI while leveraging your strong engineering foundation.

What Youll Do::
Design and develop scalable, high-performance backend services and APIs.
Implement integrations with AI platforms and services.
Work with AI specialists to translate AI capabilities into production-ready features.
Ensure high reliability, performance, and security of AI-powered systems.
Collaborate with product and engineering teams to gather requirements and deliver solutions.

As a Staff DevOps Engineer, you will own production infrastructure across our cloud environments and work closely with platform, dev-infra and automation tests teams to drive operational excellence. You need to be ready to lead cross-team initiatives, proactively identify areas for optimization, and define scope both for yourself and the team.

You will be responsible for:

Keeping production stable and working, having a dedicated team as a first line of support
Improvement of existing CI/CD processes based on the feedback from product and infra teams
Improving the organization's FinOps posture

As the Technical Support L2 Engineer, based in Tel Aviv, you will have the unique opportunity to build and scale our L2 support function from the ground up and be a part of the Blockchain security future . Reporting to the Head of Customer Support, you will help our customers with their most pressing issues, protecting end-users from being scammed, creating real impact.

This role is meant for a true builder. As the first hire, youll be a major player in building the support process for cutting edge new Blockchain security products, becoming subject matter expert and trusted advisor for our customers, engaging directly with our engineering and product team, and learning our product directly from them.

Your Chain of Impact:
Provide expert-level technical support for our applications, diagnosing and resolving complex issues with aggressive resolution times.
Analyze sophisticated problems related to system performance, configuration issues, API integrations, Web3 security threats, and blockchain-related incidents.
Monitor system performance metrics, API health, and security incident alerts.
Serve as the primary point of contact for escalated customer issues, maintaining clear communication with stakeholders.
Coordinate with Engineering, Product Management, and Field Services teams to resolve complex technical challenges.
Identify opportunities for the support team to take on additional responsibilities and develop subject matter expertise.
Create and maintain comprehensive playbooks, troubleshooting guides, and internal documentation.
Develop tools and automation to improve support efficiency and reduce resolution time.
Maintain strict compliance with security policies and procedures, particularly when handling sensitive customer data.

As a Software Development Engineer (SDE) on the AWS Transform team, you'll be at the heart of designing, building core functions involve orchestrating hundreds or thousands of systems and legacy workloads, each with unique technical and operational constraints.

You will:

Drive end-to-end system design, implementation, and delivery.

Play a key technical leadership role on the team, aligning engineering efforts with customer needs.

Communicate effectively across teams to influence and guide architectural decisions.

Write high-quality, efficient, and secure code that sets an example for others.

Mentor teammates through design and code reviews and foster engineering best practices.

Continuously grow your technical depth and leadership impact as AWS scales.

We are seeking an experienced engineer to work on distributed AI/ML systems. This role involves working on collective operations - the fundamental operations that enable AI to scale across multiple accelerators & servers. Most of our stack is C/C++ and relatively low level, so solid knowledge of Linux, kernels, and performant code is important. Experience with embedded systems is valued, and experience with high-speed networking or HPC interconnects is valued highly.

If you like solving hard problems, want to work with HPC and ML customers, iterate fast and deliver meaningful solutions at scale, then come join us! This truly is a role on the forefront of AI/ML, youll be working on features for the largest clusters, with the largest customers, for the largest AI models.

The Data Path HAL team is looking for an Embedded Software Engineer, to join us in building the next generation of networking products. Youll have the opportunity to work on the technologies that power the worlds largest cloud provider, in a dynamic, open, fast-paced environment.
Working in both pre-silicon and post-silicon activities defines the Data Path HAL team as a leading team in AWS software development.