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Justt helps many of the world’s largest and most recognizable brands turn chargebacks from a constant headache into a managed, predictable part of doing business. Our AI-driven platform powers chargeback operations at scale, automating disputes end to end, recovering revenue that would otherwise be lost, and removing a major operational burden from finance, risk, and operations teams across multiple regions and verticals. We’re a global company with teams across markets, and disciplines, working closely with leading players in the payments ecosystem. Our culture is built on clear thinking, collaboration, and a strong sense of ownership. At Justt, you’ll partner with product, engineering, data, success and go-to-market teams to build technology that sits at the core of modern payments, and has a direct, measurable impact on the bottom line for some of the biggest companies in the world. We are looking for a self-motivated Product Data Analyst with a strong sense of ownership and a strong business orientation. As a key team member, you will analyze multiple data sources to deliver data-driven insights, optimize processes, and shape our product. You will work closely with Customer Success and Solution Engineers, as well as Product Managers, Engineers, and other cross-functional teams, to provide the analysis and reporting necessary to optimize product performance, specifically in the chargeback domain. In this role, you will balance pure data analytical tasks with content-oriented projects that require a deep understanding of the chargeback management business domain. Responsibilities:
* Provide analytical support to various functions as part of the Business Squad, which manages a book of customers.
* Collect, analyze, and interpret data to support product decisions and feature improvements.
* Develop and maintain dashboards, reports, and visualizations that highlight key metrics and performance.
* Provide actionable insights from data analysis to inform product strategy, drive product improvements, and enhance the user experience.
* Utilize strong technical skills to analyze large and complex datasets.
* Present findings and recommendations to stakeholders in a clear and compelling manner.

As a Solutions Architect, you will have the opportunity to develop excellent communication and people skills, as you'll be a crucial part of the first in-depth experience our customers have with our company. We'll also need you to have a balance of technical expertise, passion for open source, and a thorough understanding of business processes and IT problems faced at the enterprise level.

This is a great opportunity to develop a career in pre-sales. Wed love to hear from you!

What you will do:

Manage strategic customers as primary technical reference

Provide pre-sales technical support for the development and implementation of complex products and solutions

Use your extensive product knowledge and technical expertise to prepare detailed product specifications, deliver presentations, and demonstrate products to sales staff and customers

Contribute to RFI and RFP opportunities

Communicate value, progress, and status of sales opportunities to all stakeholders; share knowledge and findings to allow team members to learn from your successes and mistakes

our Search team is at the heart of how millions of users discover and connect with the right talent every day. Were looking for an Algorithm engineer who combines strong software engineering skills with a deep understanding of search and ranking algorithms. Youll design, implement, and optimize search logic, signals, and ranking systems that power our core discovery experience.
What am I going to do?:

* Develop and optimize the core retrieval systems that form the backbone of our search architecture, focusing on enhancing the recall and precision of search results.
* Utilize technologies like Elasticsearch, Lucene, Vespa, and Machine Learning models to build scalable search retrieval systems solutions that form the primary source for our search platform.
* Work closely with data scientists, product managers, and fellow engineers to integrate Machine Learning models and algorithms.
* Use search evaluation metrics, and user behavior analysis to pinpoint improvements, and conduct rigorous A/B testing and online experiments to validate changes and assess their impact.
* Address complex business challenges related to retrieval by breaking them down into manageable components, conducting in-depth research, and pioneering innovative features for search retrieval.
Equal opportunities:
At our company, we prioritize diversity. We celebrate difference and embed it into every aspect of our workplace and product, as well as our community. we are proud and committed to providing equal opportunity employment to all individuals regardless of race, color, religion, sex, sexual orientation, citizenship, national origin, disability, Veteran status, or any other characteristic protected by law. In addition, we will provide accommodation to individuals with disabilities or a special need.

As a team member you will be responsible for development of enterprise grade software for monitoring and managing the world's largest supercomputers and data centers, built on our GPU and networking hardware. This role offers you an excellent opportunity to deliver production grade solutions, get hands on with ground-breaking technology, and work closely with technical leaders solving some of the biggest challenges in managing large scale networking and computing infrastructure.

What you'll be doing:

The team develops infrastructure for monitoring and gathering telemetry from production environments, running on the worlds largest supercomputers and datacenters.

The work environment is dynamic and challenging; we are innovating and inventing software products at the forefront of technology in terms of performance, scalability, and features.

Our team works closely with other engineering teams to co-design new features and software APIs.

We are seeking an AI Networking Exploration Architect for our Networking Insights Group to bridge the gap between cutting-edge, hyper-scale AI workloads and the datacenter infrastructure that enables them. You will join a small, focused team of multidisciplinary engineers driving AI workload optimization through deep application understanding and end-to-end systems thinking. Your insights will directly shape our products across the full stackfrom applications and software libraries to hardware architecture and physical design.

What You'll Be Doing:

Model the performance of complex AI workloads to identify bottlenecks and recommend system-level optimizations.

Translate state-of-the-art research into actionable infrastructure, software, and hardware features in partnership with architecture teams.

Rapidly master new AI domains (LLMs, generative models, multimodal systems) and distill key findings for product teams.

Incorporate your deep knowledge of AI applications into our hardware and software roadmaps.

Conduct independent research by formulating hypotheses about workload behavior and validating them through rigorous analysis.

Drive architectural innovation and network optimization by applying your domain expertise to exploratory analysis of real-world Deep Learning (DL) workloads.

our companys Release Operation group is responsible for leading, managing and tracking our company releases. We are looking for a passionate and professional Release Manager to join our release operation group to lead our main release.
Key Responsibilities
Be part of the Release operations group, managing and leading our company Main releases:
Managing releases for Enterprise our company installed base: responsible for planning, executing, monitoring and reporting status.
Managing the release schedule from planning phase till GA (release date).
Coordinating R&D and QA efforts, working with most of PO groups and managers in all levels.
Responsible for release scope, coordinate projects merge into main train with all relevant R&D & QA stakeholders.
Responsible for release quality and stabilization on an ongoing basis, tracking the automation results and QA status.
Working with Tech writers on and leading the release documentation till final approval
Provide weekly status to all R&D managers including upper management
Leading weekly release meetings with all R&D & QA owners
Managing the release risks and raising flags on potential delays and issues and track till final resolution
Leading cross-PO development activities and new processes such as technology opportunities, infrastructure changes, quality improvements.
Tracking post release status - issues coming from the field, manage maintenance releases, communication with customers.
Facilitation and enforcement of development process & tools
Leading lesson learned / debriefs on issues, tracking till final resolution and implement improvements based on conclusion

We are looking for an experienced and customer-focused Support Engineer with Professional Services Expertise to serve as a key technical resource. This role focuses on troubleshooting, resolving application issues, and providing expert support to ensure customer success. The ideal candidate has a strong background in cybersecurity, cloud technologies, and customer-facing roles, with a dedication to delivering exceptional solutions.
Key Responsibilities
Technical Troubleshooting and Support:
Provide expert-level troubleshooting for application issues, configurations, security vulnerabilities, and general functionality.
Work closely with customers and internal teams to diagnose and resolve complex technical challenges.
Investigate application behaviors and anomalies, identifying root causes and recommending appropriate solutions.
Escalation Management:
Take ownership of escalated support cases, ensuring timely and thorough resolution.
Identify patterns in recurring issues and contribute to permanent fixes or workarounds.
Collaborate with development and product teams to address root causes and improve application reliability.
Customer Communication:
Maintain clear, professional, and proactive communication with customers throughout the support lifecycle.
Ensure solutions are tailored to meet customer needs while setting accurate expectations.
Professional Services Collaboration:
Partner with sales and other internal teams to deliver professional services, enhancing customer adoption and satisfaction.
Assist with onboarding, integrations, and custom configurations as needed.

We are looking for a talented Senior Backend Developer to join our development team. As part of the team, you will contribute to building and enhancing high-scale, multi-tenant SaaS products that support customers worldwide. You will work in a hybrid environment, collaborating closely with highly skilled engineers in an agile, sprint-based methodology. This role is critical to the continued success of our next-generation security and monitoring platforms, ensuring performance, scalability, and reliability across multiple regions and tenants.
Key Responsibilities
Architect, design, and develop robust, high-quality backend services and APIs for our large-scale SaaS platform.
Own the end-to-end delivery of features in an agile, CI/CD environment, from conception to deployment.
Ensure the scalability, resilience, and high performance of our applications to support a rapidly growing, multi-tenant customer base across multiple regions.
Integrate with and optimize a diverse set of distributed data systems, including PostgreSQL, Redis, RabbitMQ, and Elasticsearch.
Champion and implement observability best practices (metrics, logging, tracing) using tools like Prometheus, Grafana, and OpenTelemetry to ensure system health and proactive monitoring.
Collaborate closely with product managers, frontend developers, and DevOps engineers to translate customer needs into impactful technical solutions.
Continuously explore, evaluate, and adopt new technologies to enhance our architecture and development efficiency.
Mentor and guide other developers, fostering a culture of technical excellence and knowledge sharing.

We are looking for a Senior Software Engineer. You will work with highly experienced engineers to provide the world's outstanding SmartNIC products for cloud-computing, research, medical, automotive, finance, weather, telco, and more. We are developing some of the core libraries of the DOCA SDK, rapidly growing DOCA functionality and use cases. With DOCA, developers can program the data center infrastructure by creating software-defined, cloud-native, secured, HW-accelerated services.

We also take significant part in the Linux-foundation DPDK (dpdk.org) project, and expand the Mellanox PMD in particular, providing the framework and common API for fast packet processing in user space. Our goal is to enable breakthrough network performance, using our SmartNIC hardware capabilities and address the performance, scale and security demands of modern software-defined enterprise data centers and public cloud infrastructure.


What you'll be doing:

You will architect, design, and develop the next-generation technology in network acceleration, as well as work with best-in-class technical leaders in this domain.

Engage with customers and architects to understand the requirements and derive the software design accordingly.

Collaborate with other engineering teams that develop the upper layers applications like virtual switches (OVS, VPP, and etc.) and lower layers like driver, kernel, FW, and HW.

We are looking for a Senior Project Manager to join the Israeli Networking Cluster Solutions group. The project manager will be responsible for the definition, planning and execution of multidisciplinary projects for building our clusters in Israel. Direct communication with Architecture, R&D, Operations, Finance, IT, Security, and all relevant stakeholders within and outside of us. Accountable and responsible for the success of the relevant Cluster build programs.

What youll be doing:

Own entire activities associated with planning and executing projects for building large Clusters for us in Israel.

Co-work with our teams on different disciplines associated with building large scale clusters Data-Center Engineering, Data-Center Operations, Corporate-IT, Planning, Finance and more.

Manage periodic sync meetings within us and with external stakeholders to track and monitor projects meetings.

Present project status to our senior executive team.

Matrix management of internal teams and resources for successful execution of projects and activities.

We are seeking a Senior Full Stack Engineer with strong experience designing and building scalable microservices and server-side applications. This role requires deep expertise in Java, React, and AWS, as well as solid understanding of modern architectural patterns.
Youll play a key role in developing our next-generation, multi-tenant system building cloud-native services from the ground up while supporting and improving our existing product. Youll also contribute to architectural direction and mentor other engineers on the team.
Key Responsibilities
End-to-end development of software components/services (research, design, development, testing, rollout, monitoring).
Contribute to technological and architectural decisions.
Mentor other engineers in the team (via code reviews, dedicated sessions, pair programming, etc.).
Analyze and improve efficiency, scalability, and stability of various components in our system.
Collaborate with Designers, Product Managers, and Software Engineers to deliver the best product to our customers.

er are seeking for an COBOL Developer This role requires COBOL development, working on financial systems, Agile methodology, and databases. Full-time position in Rishon LeZion, Sunday through Thursday.

The Account Executive will be responsible for sales in DACH region, managing their own quota within the assigned geography. as the top XDR solution in the market, is on a mission to become the all-in-one Cyber security solution for mid-market and small organizations, along side MSPs. We are looking to bring on top talent to identify, build, and maintain exceptional relationships with companies across our target market. The Account Executive role will be a critical position for driving strategic growth and identifying market trends for our organization, reporting directly to the Regional Sales Director.
What will you do:

* Work with the Sales Director to build and execute your territory sales strategy
* Work with the best tools in the market to increase oue market penetration in Central Europe
* Leverage prospecting tools to create direct demand for the cpmpany solution
* Leverage the channel to grow and expand your Pipeline opportunities
* Manage initial calls to stimulate interest and create a pipeline for quarterly execution
* Sell to IT and security leaders
* Represent our company in events