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At our company, we believe people are capable of more than a single job description. Youre not hired just to fill a position- youre empowered to shape it, grow it, and make it your own.
We call this being Positionless.
And Positionless isnt just our culture. Its our product.
we are the creator of Positionless Marketing, an AI-powered platform that gives every marketer the power to analyze, create, launch, and optimize independently. The result is faster execution, deeper personalization, and 88% greater campaign efficiency.
Recognized as a Visionary in Gartners Magic Quadrant, we partner with leading brands like Sephora, Staples, and Entain. Today, more than 550 workers across NYC, London, Tel Aviv, Scotland, Brazil, Estonia, and beyond are building the future of marketing together, in an environment that actively encourages ownership and growth, with two out of every three managers promoted from within.
If youre looking for a place where you can do more, be more, come grow with us.
Responsibilities
- Develop and maintain systems that can process complex requests within a few milliseconds.
- Tackle advanced engineering challenges in multiple languages and environments.
- Own every product that the team manages, from ideation and planning, all the way to production and monitoring.
- Teach and learn. We love to inspire and be inspired and make sure that each team member has their place to grow and excel.
- Work both autonomously and collaboratively with the team and other our company teams.

At our company, we believe people are capable of more than a single job description. Youre not hired just to fill a position- youre empowered to shape it, grow it, and make it your own.
We call this being Positionless.
And Positionless isnt just our culture. Its our product.
we are the creator of Positionless Marketing, an AI-powered platform that gives every marketer the power to analyze, create, launch, and optimize independently. The result is faster execution, deeper personalization, and 88% greater campaign efficiency.
Recognized as a Visionary in Gartners Magic Quadrant, we partner with leading brands like Sephora, Staples, and Entain. Today, more than 550 our company's across NYC, London, Tel Aviv, Scotland, Brazil, Estonia, and beyond are building the future of marketing together, in an environment that actively encourages ownership and growth, with two out of every three managers promoted from within.
If youre looking for a place where you can do more, be more, come grow with us.
Are you passionate about ensuring system reliability, scalability, and performance? Do you thrive in a dynamic environment where automation and operational excellence are key?
we are looking for a Site Reliability Engineer (SRE) to join our team and play a crucial role in designing, implementing, and maintaining our cloud-based infrastructure. In this role, you will collaborate across teams to drive automation, improve system resilience, and optimize performance while fostering a culture of reliability.
Responsibilities:
System Reliability- Ensure high availability and performance of services through effective monitoring, incident management, and root cause analysis.
Automation & Tooling- Develop and maintain automation for infrastructure provisioning, configuration management, and application deployment.
Performance Optimization- Analyze and enhance system performance, including load balancing, caching, and database tuning. Conduct regular capacity planning.
Incident Response & Troubleshooting- Lead incident response efforts, participate in on-call rotations, and troubleshoot complex infrastructure issues.
Security & Compliance- Collaborate with security teams to implement best practices and ensure compliance with relevant standards (ISO 27001, SOC 2, etc.).
Collaboration & Mentorship- Work closely with developers, DevOps, Support, and product teams to enhance application reliability and implement SRE best practices.

Data has never been more valuable and vulnerable. As cybercriminals become more sophisticated and regulations more strict, organizations struggle to answer one key question: Is my data safe?"
At our company, we see the world of cybersecurity differently. Instead of chasing threats, we believe the most practical approach is protecting data from the inside out. Weve built the industrys first fully autonomous Data Security Platform to help our customers dramatically reduce risk with minimal human effort. At our company, we move fast. Were an ultra-collaborative company with brilliant people who care deeply about the details.
Together, were solving interesting and complex puzzles to keep the worlds data safe.
We work in a flexible, hybrid model, so you can choose the home-office balance that works best for you.
The FinOps Technical Manager leads cloud cost operations, driving cost optimization and governance across multi-cloud environments. This role combines technical expertise with strategic leadership to align cloud spend with business objectives while fostering a culture of cost accountability.
Key Responsibilities:
Strategic Leadership
Champion cost-awareness across teams and influence architectural decisions for efficiency.
Lead cross-functional initiatives to improve cloud economics and operational excellence.
Team Management
Provide hands‑on technical guidance on cloud architecture, cost‑efficient design patterns, and optimization best practices. Foster strong collaboration between finance, DevOps, and engineering teams to ensure shared ownership of cloud costs
Cloud Cost Management
Monitor and analyze cloud spend across AWS, Azure, and Kubernetes clusters.
Identify optimization opportunities by diving into current system architecture/ flows and implementation and resent actionable recommendations to leadership.
Be able to challenge current and future technological and architecture decisions in favor on cost optimization.
Ability to detect bad designs and implementations that cause high spend.
Automation & Tooling
Oversee automation of cost reporting and anomaly detection.
Evaluate and implement tools and integrations for real-time visibility.

We are At Cross River, we're building the financial infrastructure that powers global innovation. With our cutting-edge suite of embedded payments, cards, and lending solutions, we enable millions of businesses and consumers to transact seamlessly and securely. With 900+ employees worldwide and an R&D center of over 160 employees in Jerusalem - we’re reshaping how financial technology is developed and delivered. .

The Role:
As the Security Engineering Operations Assistant, you'll be the organizational backbone for the VP, Security Engineering—ensuring requests move forward, deadlines stay visible, and nothing gets lost in the shuffle. This isn't about being an admin; it's about being the force multiplier that lets security leadership focus on strategy and technical priorities while you keep the machine running smoothly. If you're the person who naturally keeps lists, follows up before being asked, and gets satisfaction from bringing order to chaos—this role was made for you.

Who You Are:
You're the person everyone relies on to remember the thing that was supposed to happen last Tuesday. You've got 2–5 years of experience in technical coordination, support roles, or security/IT/engineering operations environments, and you know how to work alongside technical teams without needing your hand held. You're exceptionally organized—not in a "my desk is clean" way, but in a "nothing falls through the cracks" way. You communicate clearly in writing and conversation, you're comfortable working closely with senior leadership, and you handle sensitive information with discretion. You're not intimidated by technical discussions—even if you're not the one configuring the firewall, you can follow along, capture the key decisions, and know what questions to ask to make sure everyone's aligned on next steps. You're proactive, dependable, and genuinely curious about how things work.

What You’ll Actually Be Doing:
Direct Support to Security Engineering Leadership
* Assist the VP, Security Engineering with tracking requests, action items, and follow-ups arising from meetings, emails, and discussions
* Maintain organized lists of open items, next steps, and pending decisions
* Perform routine follow-ups with internal teams and external vendors on behalf of Security Engineering
* Help ensure deadlines and commitments are visible and monitored
* Surface overdue items or risks that may require attention Coordination & Task Tracking
* Support coordination of security engineering activities across Security, IT, Engineering, GRC, and external partners
* Track progress of assigned tasks and initiatives using established tools and processes
* Assist in scheduling, preparation, and follow-up for security-related meetings
* Help organize priorities and timelines across multiple parallel efforts Technical Awareness & Documentation
* Maintain familiarity with core security engineering domains, including: Identity and Access Management, Endpoint and device management, Cloud security basics (AWS and Azure), Security tooling and operational workflows
* Capture key outcomes, decisions, and action items from technical discussions
* Maintain documentation, trackers, and status updates
* Ask clarifying questions to ensure expectations and next steps are understood Communication & Information Flow
* Support intake and coordination of inbound requests to the Security Engineering team
* Prepare clear summaries and status updates as needed
* Help ensure relevant information is shared with appropriate stakeholders
* Support prioritization discussions by maintaining visibility into current workload and commitments


Why You’ll Love Working Here:

* Flexible hybrid work model: three days a week at our Jerusalem office
* Monthly wellness reimbursement – from therapy to gel manicure, it's up to you
* Full Keren Hishtalmut, private health and dental insuranc

Required Internal App Builder - Base44
Tel Aviv
Job Description
As an Internal App Builder at Base44, youll design and build tools that support our teams, and in the process, push our platform to its creative and technical limits. Youll turn real business needs into fully functional apps, while experimenting with new features, edge cases, and ambitious builds that test what Base44 can really do. Your work wont just power internal operations - it will generate insights that shape our product roadmap and help us deliver a stronger platform for all our users.
What youll do
Build internal tools, dashboards, and workflows on Base44 to support product, engineering, and business teams
Explore and stretch the boundaries of the platform by attempting complex or unconventional builds that reveal strengths and limitations
Share findings directly with product managers and engineers to inform new features, improvements, and fixes
Prototype quickly, iterate often, and showcase whats possible with Base44
Maintain and refine internal apps to ensure reliability, usability, and scalability
Document approaches, best practices, and lessons learned to inspire both internal teams and external users.

We are looking for a highly skilled and versatile Backend Engineer to join our development team. As a Backend Engineer, you will be responsible for designing, developing, and maintaining the backend infrastructure and components of our platform. As part of your role, you will also work on the frontend aspects of our platform and collaborate with stakeholders and cross-functional teams to optimize full-cycle system performance


Responsibilities:
Design, develop, and maintain backend systems and APIs to support our web applications
Implement and optimize data storage solutions, including databases, to ensure efficient and reliable data management
work closely with front-end developers to integrate backend functionalities and ensure a seamless user experience
Collaborate with product managers, stakeholders, and cross-functional teams to gather requirements, translate them into technical specifications, troubleshoot and resolve backend-related issues, and optimize system performance

We are looking for a highly skilled and versatile Backend Engineer with deep expertise in network protocols and on-premises deployments to join our development team. As an On-Prem Backend Engineer, you will be responsible for designing, developing, and maintaining the on-prem infrastructure that runs in customer environments, ensuring robustness, security, and performance. You will collaborate closely with cross-functional teams to deliver mission-critical components that interact directly with complex network stacks.


Responsibilities:
Design, develop, and maintain backend services deployed on-premises within customer networks.
Implement and optimize network-centric functionality, including TCP/UDP, TLS, DNS, routing, proxies, and firewalls.
Work with Linux server internals (sockets, routing tables, iptables/netfilter, namespaces, eBPF) to support resilient and secure deployments.
Ensure smooth installation, upgrade, observability, and troubleshooting of on-prem components.
Troubleshoot and resolve issues in real-world customer environments, including debugging complex network problems.

We are looking for a highly skilled and versatile Senior Backend Engineer to join our development team. As a Senior Backend Engineer, you will be responsible for designing, developing, and maintaining the backend infrastructure and components of our platform. As part of your role, you will also work on the frontend aspects of our platform and collaborate with stakeholders and cross-functional teams to optimize full-cycle system performance.


Responsibilities:
Design, develop, and maintain backend systems and APIs to support our web applications.
Implement and optimize data storage solutions, including databases, to ensure efficient and reliable data management.
work closely with front-end developers to integrate backend functionalities and ensure a seamless user experience.
Collaborate with product managers, stakeholders, and cross-functional teams to gather requirements, translate them into technical specifications, troubleshoot and resolve backend-related issues, and optimize system performance.

We are looking for a highly skilled and versatile Full Stack Engineer to join our development team. You will play a crucial role in designing and implementing user-facing features and interfaces for our web applications. You will collaborate with cross-functional teams, including product managers and backend / other full stack developers, to create exceptional user experiences.


Responsibilities:
Design, develop, and maintain fullstack web applications with a focus on performance, scalability, and user experience.
Develop and consume RESTful APIs to support application functionality.
Ensure responsive design and cross-browser compatibility across platforms and devices.
Collaborate with cross-functional teams including Product, Design, QA, and DevOps to deliver high-quality solutions.
Build and integrate interactive UI components using modern frontend frameworks (Vue preferred, React also relevant).
Write clean, maintainable, and efficient code while following best practices and code review standards.
Troubleshoot, debug, and resolve technical issues across the stack.
Participate in agile development processes, including sprint planning, daily standups, and retrospectives.
Proactively suggest improvements to code, tools, and processes to enhance team productivity and product quality

we are looking for a highly motivated data center engineer to join our team. having depth and breadth knowledge of working in data center facilities in a large-scale distributed environment is a strength you'll need. you should have deep knowledge and experience in at least one of the following core areas: project management, hardware operations, network operations or data center operations.
what you'll be doing:
act as technical liaison for our technical teams.
project manage highly impactful large and small scale data center and lab projects.
participate in the installation, monitoring, maintenance, support, and optimization of all production server hardware.
contribute to the development of the global dc knowledge base
lead teams to deploy new data center infrastructure, deliver server upgrades, integration, rebuild and other projects as required
build plans to optimize power, cooling and network resources
inventing the forecast to efficiently match supply to demand. predict data center growth and scaling issues before they occur and implement solutions. you will acquire new facilities and optimize existing ones to support the business growth.
you will hunt for and resolve issues as well as analyze data looking for trends and systemic issues. implement process improvements and develop a cutting edge operational environment.

develop first tier features, with groundbreaking multi-protocol networking technology.
lead features from planning through design and development, until delivery to the customer.
work closely with other development teams, arch and verification to ensure features delivery on time with high quality.
gain deep understanding of nvidia products and technologies.

responsibility to coordinate between all project collaborators such as chip design team, q&r team, arch, icpe, from initial fuse definition stage till product end of life, including release to mass production
responsibility for all fuse ccb activities
collaborate closely with domain owners and stakeholders across various teams to gather and validate inputs required for product configuration, ensuring alignment with overall project and product strategies.
manage and coordinate configuration files and parameters for multiple products, maintaining accuracy and consistency throughout the product lifecycle.
contribute hands-on to product execution activities by actively working on configuration management, including updates, troubleshooting, and validation of configuration settings
support the integration of product configurations into the overall product development and manufacturing processes, ensuring smooth deployment and operational readiness across multiple product lines

we are seeking an experienced QA Engineer to join our sw/fw testing team. this position will be part of our growing team, which enables nvidia products to meet the industry-leading benchmarks of efficiency and quality. we develop a collaborative and inclusive work environment, where ideas are shared and innovation is encouraged. as a QA Engineer in this group, you will be immersed in the latest advancements and actively contribute to developing world-class products. your efforts will directly impact the performance and quality of our offerings, ensuring they consistently meet industry-leading standards. we are looking for an ideal candidate with proven QA experience who will be actively involved in testing industry-leading features in the networking sector, can acquire new feature knowledge, conduct both manual and automated tests, and contribute to the development of automation systems. the ideal candidate should bring a robust understanding for sw release cycle and the QA part in it.
what you'll be doing:
review arch design and requirements documents for new features introduced in several domains like infiniband and ethernet switches and nics, nvidia gpus, nvlink, linkx and more
design, develop, and perform tests for the new features, as part of fw ga or update releases
automate newly added tests in the existing automation framework, and add new capabilities and features to the framework
report bugs found during execution, assist with reproduction and debugs to understand root cause, verify bug fixes provided by r&d team, and raise if not fixed
conduct tests in various areas, including regression, performance, functional, and security. keep track of testing progress and generate summary reports of testing activities
fully collaborate with different external teams like:: Product Marketing, r&d, and verification.
define and build setups topologies for appropriate product coverage
nvidia is committed to fostering a diverse work environment and proud to be an equal opportunity employer. as we highly value diversity in our current and future employees, we do not discriminate (including in our hiring and promotion practices) based on race, religion, color, national origin, gender, gender expression, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law.

develop TEST automation for nvidia networking products, which requires an understanding of hw and sw to provide stable, efficient and robust production tests, to enable high availability, while ensuring the quality of the products being shipped to customers
utilize TEST suites to find, debug and resolve problems with production process
work in multi discipline environment to provide robust solutions and drive defects to resolution
generate statistics about code quality, complexity, and coverage

we are looking for a hardworking and engaged senior QA SW engineer with experience in networking to join the system ethernet QA team! our QA team is responsible to TEST and qualify the nvidia ethernet switches solutions. we learn new features, design, execute, write automation based on Python!  widely considered to be one of the technology worlds most desirable employers. we have some of the most forward-thinking and hardworking people in the world working for us. if you're creative and autonomous, we want to hear from you!
what you'll be doing:
review the arch design and requirements for new features introduced in the product.
design, develop, and execute tests for the new features, as part of sw ga releases and update releases.
report bugs found during execution, assist with reproduction and debugs in order to understand root cause verify bug fixes provided by the r&d team, raise if not fixed.
execute system tests in different scopes: regression, performance, functional, security for ethernet protocols.
write automation tests and framework apis based on the Python language.