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Justt is the fastest-growing global leader in fighting illegitimate chargebacks for merchants. We are a strong and dynamic company providing a proprietary chargeback mitigation solution that leverages cutting-edge technology and deep payment expertise to efficiently and effectively manage disputes. This allows merchants to maximize revenue and focus entirely on their growth, unburdened by disputes. About the Role We are seeking a highly motivated Team Leader to spearhead the "Justtin" team, which forms the technical core of Justt's chargeback resolution platform. You will lead a small, distributed team of engineers responsible for our central data pipeline: ingesting critical chargeback data from Payment Service Providers (PSPs) and securely submitting dispute responses back to them. This is a balanced role requiring both strong technical expertise and effective team leadership. You will be hands-on in building critical integrations while simultaneously guiding your team's development, strategically prioritizing work, and ensuring the platform's reliability and stability. Key Responsibilities Team Leadership: Lead and mentor a distributed team of engineers (Israel + offshore). Technical Ownership: Define and own the technical roadmap and priorities for the integration platform. Hands-on Development: Drive the development of complex PSP integrations and critical platform features. Platform Health: Ensure the stability, observability, and health monitoring of all PSP integrations. Strategic Collaboration: Partner with Solution Engineering, Product, R&D, and executive leadership on company-wide strategic initiatives. Operational Balance: Effectively balance reactive maintenance/support with proactive platform improvements and future-proofing. Architecture & Best Practices: Drive key architectural decisions and enforce technical best practices across the team. Resource Management: Manage capacity planning, resource allocation, and project timelines. Incident Management: Lead incident response and escalation procedures for the critical data pipeline.
What We Offer
* The opportunity to lead a mission-critical team with significant, direct business impact.
* An engineering-driven company culture with highly talented and collaborative peers.
* High autonomy to shape the team's technical direction and strategic focus.
* Work with a modern and exciting stack: TypeScript, Puppeteer, NestJS, Nx, MongoDB, PostgreSQL, and AWS.

* Excellent growth and professional development opportunities within a rapidly scaling fintech environment.

Artlist is a leading creative technology company on a mission to empower creators and brands to bring their vision to life with video. Offering cutting-edge AI tools and models for image, video, and voiceover creation, alongside high-quality creative assets and powerful editing tools, Artlist enables creators to stay on trend, and achieve their creative goals. Trusted by over 30 million creators worldwide and top brands including Google, Amazon, Microsoft, and Versace, Artlist provides a seamless, subscription-based platform with a global license, giving creators everything they need to produce professional video content efficiently. For more information, visit artlist.io We’re seeking a full-time Senior Full Stack Developer to join our vibrant R&D Team in Ra'anana. ?Wake up for this:
* Design and build the experience to fuel our product’s growth.
* Analyze the Web performance and business metrics.
* Working with micro-services architecture on K8S.
* Work in an agile development methodology.
* Strong problem-solving and coding skills.
* Ownership and responsibility to the Growth area.
* Lead the backend development in the team.

Artlist is a leading creative technology company on a mission to empower creators and brands to bring their vision to life with video. Offering cutting-edge AI tools and models for image, video, and voiceover creation, alongside high-quality creative assets and powerful editing tools, Artlist enables creators to stay on trend, and achieve their creative goals. Trusted by over 30 million creators worldwide and top brands including Google, Amazon, Microsoft, and Versace, Artlist provides a seamless, subscription-based platform with a global license, giving creators everything they need to produce professional video content efficiently. For more information, visit artlist.io As a Customer Experience Specialist at Artlist, you will be at the frontline of empowering creators to fully harness the potential of our AI-driven creative ecosystem. You’ll support users from their very first interactions with our AI tools through full-scale production workflows—ensuring they gain the knowledge, confidence, and inspiration needed to grow with Artlist.
We’re looking for someone with a rare blend of technical savvy, creativity, and exceptional communication skills. This isn’t your average support role: you’ll engage with content creators around the world, master our products inside and out, and use your own creative instincts to solve problems, advise customers, and directly influence the product. You’ll collaborate across departments, translate customer goals into powerful workflows, and help transform creators—from casual experimenters into professional, high-value users.
If you love learning new tools, educating others, writing clearly, and helping creators thrive in an evolving AI production landscape—you’ll love it here.
What You'll Do Provide support to users through email and occasional calls. Assist users with product-related issues, delivering timely and effective solutions. Develop deep expertise in Artlist’s platform and AI tools to guide users toward the features and workflows that best fit their creative goals Proactively communicate user behavior, technical issues, emerging trends, and potential improvements to the team, and raise concerns and flags as needed Work cross-functionally within a cohesive team environment to ensure product success

We're looking for an experienced Backend Engineer to join our Engineering team. Reporting to the Manager, Software Engineering you'll be responsible for:
Developing and maintaining high-quality, scalable backend services within a microservices architecture using Java/Spring Boot and Python
Leading and designing solutions from scratch to production
Monitoring the performance and cost of the services in production
Stay up-to-date with industry trends and best practices to continuously improve our technology stack and development processes
Integrating with other team members (backend/frontend/product/UX)

we are looking for a highly skilled Senior RF Engineer to lead the design and development of next-generation imaging radars operating up to 81 GHz. The ideal candidate has strong expertise in RF board design and high-frequency simulations, with a proven track record in delivering robust RF solutions for advanced RF systems
What will your job look like:
Lead the design and development of RF circuits and PCBs for mmWave applications up to 81 GHz.
Assist in the antenna design and integration
Conduct full-wave and circuit-level RF simulations (HFSS, ADS etc.) to validate design performance.
Optimize high-speed PCB layouts for minimal loss, crosstalk, and parasitics at mmWave frequencies.
Define and execute test plans, including lab measurements, characterization, and validation of RF systems.
Collaborate cross-functionally with hardware, digital, mechanical, and system engineering teams.
Document design methodologies, test results, and provide technical reports for internal and external customers.

We're looking for an experienced Principal Threat Researcher to join our Threat Hunting team. Reporting to the Senior Manager, Threat Research, you'll be responsible for:

Leading end-to-end research POCs: formulating hypotheses, designing methodologies, implementing experiments, analyzing results, and translating findings into production-ready capabilities and customer outcomes
Researching and developing methodologies for identifying, assessing, and mitigating threats and risks across diverse data sources
Partnering with data scientists and ML engineers to shape model features, training data strategies, and evaluation frameworks derived from real-world signals
Providing actionable recommendations to improve data quality, policies, detections, controls, and response strategies across Zscalers security offerings
Presenting research findings clearly and meaningfully to technical and non-technical stakeholders; influencing roadmap decisions with evidence-based insights