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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 Senior Software Engineer
About the Role
The Policy team is building our Policy Protect app, a web application platform that merchants can configure and monitor their business policies in different use-cases such as refunds, returns, and more. Our work involves a robust analysis flow and models that evaluate claims in both offline and online environments to determine their legitimacy and prevent fraud.
Our Stack: Node.js, Kafka, Elastic, Aerospike, Docker, Kubernetes, Prometheus, Grafana.
What You'll Be Doing
Design and develop a highly reliable, available, and scalable architecture for our core services in a new promising product
Deploy your code to production daily (we have advanced CI/CD pipelines)
Be a strong owner of production systems, keeping them running smoothly
Active part in planning the team roadmap and products
Collaborate with other engineering teams and product managers teams to work on cross-department projects.

we are looking for a SW Architect to join the Cato team. This is an amazing opportunity to join a growing startup and make a real impact on the future of our product while playing a critical role in the design and development of our SASE solutions.

Responsibilities:

Participate in setting and executing the product architecture and roadmap, maintaining scalability, reliability, productivity, performance, and security.
Collaborate with Product and Engineering to understand and analyze market needs and map them to technical terms of our architecture.
Architect new features and systems to meet functional and non-functional requirements - from management application & services, through our massive cloud backbone and to the multi-platform client products.
Act as a bridge between R&D groups, identifying opportunities and gaps and aligning on common concepts and technical vision.
Be an insider and trusted advisor to different R&D groups and teams, through a hands-on approach and technical excellence.
Stay up to date with industry trends and emerging technologies to drive innovation and product differentiation.

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.

What You'll Do:
Design, build, and support tooling, automation, and infrastructure to maximize the reliability, scalability, and performance of our Cognition.
Proactively identify, mitigate, and resolve issues, leveraging AI-driven insights and automation where possible.
Develop robust monitoring, alerting, and incident response strategies; ensure actionable observability across all critical systems.
Drive best practices in CI/CD, Infrastructure-as-Code, environment provisioning, and disaster recovery.
Collaborate closely with engineering teams to build, deploy, and maintain highly available services in production.
Take responsibility for uptime, reliability, and the operational excellence of our Cognition.
Help define and measure SLOs/SLAs to ensure world-class service delivery.

We are looking for a Senior Backend Engineer and Backend Guild Master.
You will be a backend developer in the GrowthHub team (50%) as well as Backend guild master in the Israel site (around 400 developers).
Senior Backend Developer Responsibilities:
Be responsible for the products architecture and maintain its performance in challenging circumstances
Maintain high standards of software quality by establishing best practices
Collaborate with various stakeholders to plan, design, develop, test and maintain extraordinary features
Translating requirements into high-quality code
Seeing through a project from conception to finished product
Collaborating with a team of skilled developers to develop high-traffic, cloud-based applications
Participating in code reviews to maintain code quality and sharing best practices with the team
Provide guidance and mentorship to junior developers, promoting continuous learning and improvement within the team
What does it mean to be a Backend guild master?

Develop content items (internal and external meetups, blogs, workshops and internal posts) with developers from all business units
Mentor and support developers with their professional and personal growth during the internal sessions or blogs know to handle each one differently and assess what help they need
Define the path forward in terms of technology and knowledge what is important for our developers to know? Which areas needs to be investigated?
Build new types of activities and events
Document software patterns, best practices and other items
Build the guilds brand in the organization and in the Israel industry
Constantly look for ways to improve knowledge sharing and collaboration between developers from different groups
Attend conferences and external meetups and keep an eye on the industry from technology and guilds management angle
Promoting cross site initiatives (e.g. GuildFest, Code Katas or Hackathons)
Find relevant study cases to be shared in the guild
Each day will look different!

looking for a Principal Engineer to join our rapidly growing R&D team. This is an amazing opportunity to join a growing startup and make an immediate and real impact on the future of our product. In this role, you will be solving architectural and engineering challenges. You will be a critical part of developing our cloud-based proprietary networking and security management solutions. In addition, you will be building highly scalable processes for gathering and analyzing statistics from multiple networks.  

Responsibilities:

Performing ongoing research and create new features and product ideas. 
Researching new technologies and adapting them for use in the companys product.
Design and develop microservices using the newest methodologies. 
Design and create a data processing system. 
Leading software standards and best practices for teams. Technically mentor team
members, review code and provide feedback. 
Be the go-to person for the most difficult  
Collaborate with various stakeholders - product management, security researcher,
support team, and more. 
End to End development from data processing of large scale data to web interfaces. 

looking for a bright, passionate and experienced Apple Platforms Software Engineer to join the team. In this critical role, you will be developing our Client Application which is used by hundreds of thousands of users worldwide. You will be owning aspects of the applications full life cycle, from design, and development to CI/CD.

Responsibilities:

End-to-end ownership of our macOS/iOS clients, designing, developing and delivering new features from scratch.
Assisting DevOps with maintaining and enhancing our build system.
Researching Apple platform and ecosystem for relevant technologies.
Support the entire application lifecycle, including release management and supporting production.
Collaborate with QA, automation, product-management and other engineering teams to deliver integrated features.