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Welcome to Chargeflow Chargeflow is at the forefront of fintech + AI innovation, backed by leading venture capital firms. Our mission is to build a fraud-free global commerce ecosystem by leveraging the newest technology, freeing online businesses to focus on their core ideas and growth. We are building the future, and we need you to help shape it. Who We're Looking For - The Dream Maker We're in search of an experienced and skilled Senior Data Engineer to join our growing data team. As part of our data team, you'll be at the forefront of crafting a groundbreaking solution that leverages cutting-edge technology to combat fraud. The ideal candidate will have a strong background in designing and implementing large-scale data solutions, with the potential to grow into a leadership role. This position requires a deep understanding of modern data architectures, cloud technologies, and the ability to drive technical initiatives that align with business objectives. Our ultimate goal is to equip our clients with resilient safeguards against chargebacks, empowering them to safeguard their revenue and optimize their profitability. Join us on this thrilling mission to redefine the battle against fraud. Your Arena
* Design, develop, and maintain scalable, robust data pipelines and ETL processes
* Architect and implement complex data models across various storage solutions
* Collaborate with R&D teams, data scientists, analysts, and other stakeholders to understand data requirements and deliver high-quality solutions
* Ensure data quality, consistency, security, and compliance across all data systems
* Play a key role in defining and implementing data strategies that drive business value
* Contribute to the continuous improvement of our data architecture and processes
* Champion and implement data engineering best practices across the R&D organization, serving as a technical expert and go-to resource for data-related questions and challenges
* Participate in and sometimes lead code reviews to maintain high coding standards
* Troubleshoot and resolve complex data-related issues in production environments
* Evaluate and recommend new technologies and methodologies to improve our data infrastructure

As a backend Developer you will be a part of delivering new features, as well as building the infrastructure for the performance and scale of the product.
What youll do: Implement and deliver new features according to products requirements Implement enhancement features and build the infrastructure to support the scale of the product. Participate in design discussions and code reviews Develop unit and integration tests Assist in solving Real-Time customer issues
Position Intro:
we are the premier provider of mission-critical, cloud-based intelligent decisioning across pricing, rating, underwriting, and product personalization. These fully-integrated solutions provide ultra-fast ROI and are designed to transform how global insurers and banks are run by unlocking value across all facets of the business. our company has been innovating for insurers and banks since 2001 with customers in over 35 countries across six continents and offices in the Americas, Europe, Asia Pacific, and Israel.

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. The Opportunity We're seeking a strategic Partnerships Solutions Engineer to join our growing team. This role covers the full solution engineering lifecycle - from pre-sales design and co-creating complex partner solutions to hands-on technical implementation and project leadership. You'll be central to that mission - owning critical engagements and ensuring every interaction reflects our commitment to precision, professionalism, and real business impact. If you're ready to make a significant impact at a scaling B2B Fintech and thrive in high-ownership environments, let's talk. What You'll Do: Pre-Sales & Solution Design
* Partner with our VP of Partnerships to understand technical requirements and provide expert guidance throughout the sales cycle
* Lead product demonstrations and technical workshops that showcase how Justt solves real partner challenges
* Design and present tailored solutions that address specific partner objectives and use cases Implementation & Onboarding
* Own the technical implementation of Justt's platform for new partners and enterprise clients
* Ensure smooth integrations with existing systems and infrastructure
* Deliver training and ongoing support to help partners maximize the value of our solutions
* Troubleshoot and resolve technical challenges during onboarding and beyond Cross-Functional Leadership
* Collaborate with Product, Engineering, Operations, and Customer Support to deliver exceptional partner experiences
* Create technical documentation, integration guides, and enablement materials
* Develop scopes of work and manage their execution from kickoff to completion

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. About the Role Justt is seeking a Senior Software Engineer to join the Justt team, which is responsible for the core of Justt's chargeback resolution platform. This role involves managing our central data pipeline, from ingesting chargeback data from Payment Service Providers (PSPs) to submitting dispute responses back to them. This position offers more than standard integrations; you will be tasked with designing and scaling the infrastructure for mission-critical data flows, addressing complex issues in distributed systems, API orchestration, and data integrity. Key Responsibilities
* Own the full lifecycle of PSP integrations and data pipeline systems
* Architect scalable backend services using Node.js, TypeScript, and NestJS
* Ensure data integrity across PostgreSQL and MongoDB at scale
* Drive architectural decisions and system design within our Nx monorepo
* Mentor team members and contribute to engineering best practices What We Offer
* Solve complex technical problems with real impact
* Engineering-driven culture with talented peers
* Significant ownership over architecture and product
* Modern stack: Node.js, TypeScript, NestJS, Nx, PostgreSQL, MongoDB, AWS
* Growth opportunities in a fast-paced fintech company

We are looking for a Security Analyst with 3–5 years of experience in security operations, compliance, and cloud security, with a strong emphasis on Amazon Web Services (AWS) and exposure to DevOps/ DevSecOps practices . In this role, you will contribute to SOC operations, security assessments, and compliance programs (SOC 2, ISO 27001) while partnering closely with engineering teams to secure and support AWS environments and services. The ideal candidate will have hands-on experience with AWS security tools, IAM, networking, automation, and monitoring, and will be confident in supporting compliance evidence collection and addressing customer/vendor security assessments. Key Responsibilities
* Monitor and respond to security alerts, incidents, and vulnerabilities.
* Manage and optimize AWS security tools, including GuardDuty, Security Hub, CloudTrail, and IAM.
* Partner with engineering teams to enforce AWS security best practices
* Integrate security checks into CI/CD pipelines (SAST, DAST, IaC, container scanning)
* Support compliance efforts by gathering SOC 2 and ISO 27001 evidence.
* Respond to customer and vendor security questionnaires.
* Maintain playbooks, runbooks, and documentation to strengthen security operations.
* Assist in DevOps related tasks as needed.

Why Appdome Appdome is an AI-native platform that protects mobile apps, APIs, identities, and the mobile business from fraud, malware, bots, and other attacks— no SDKs, no servers, and built into the CI/CD pipeline . We help enterprises ship stronger Android and iOS apps with 400+ protections and automation that keeps pace with releases. The impact you’ll have Join our Data & Identity Platform Group to build the data applications that power customer-facing dashboards and insights for some of the most security-sensitive mobile brands. You’ll ship features end-to-end: elegant Angular UIs, focused contributions to Node.js services, and the data experiences that make big data fast, trustworthy, and a joy to use. You’ll also help infuse agentic AI into the product so customers can more intuitively investigate their data. What you’ll do
* Own major UI surfaces in Angular + TypeScript + RxJS , from reusable components to complex, real-time data views.
* Build reliable integrations with our REST APIs; shape contracts with backend peers.
* Write high-quality Frontend tests with Jest and keep CI green with meaningful coverage.
* Drive performance, accessibility, and UX polish—measure, iterate, and ship.
* Contribute selectively to Node.js services (microservices) to deliver end-to-end features when needed.
* Work with MySQL ClickHouse Redis , and Elasticsearch to fetch/aggregate data efficiently.
* Partner closely with Backend, Data, and Security engineers to deliver resilient, customer-visible features on AWS and Kubernetes Our stack Frontend: Angular, TypeScript, RxJS, Tailwind Backend: Node.js (microservices) Data: MySQL, ClickHouse, Redis, Elasticsearch Cloud & Platform: AWS, Kubernetes Testing: Jest

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. What you'll be doing: Own features end-to-end in our chargeback automation platform - from AI-powered evidence generation to real-time merchant-facing insights Take features from concept to production - plan, build, deploy, and monitor your code in production Master our tech stack (Node.js, Next.js, SQL/NoSQL, K8S, AWS) while building features across our 200+ microservices architecture Handle high-stakes data at scale - process thousands of chargebacks daily, ensure data accuracy, and maintain system reliability Be part of a strong engineering culture - work closely with engineers, product, QA, and DevOps to ship features that move the needle

RADWIN is looking for a proactive and highly organized Administrative Manager (50% position) to ensure the smooth day-to-day operations of our office. If you’re someone who loves creating an efficient, welcoming, and engaging work environment, we’d love to meet you! What You'll Be Doing: Be the go-to person for administrative needs like ID cards, Cibus, parking, etc. Keep the office running smoothly – managing office equipment maintenance, cleanliness, and overall organization. Ensure a well-stocked and efficient workspace – handling office supplies, groceries, and other administrative needs. Boost employee engagement by executing company events, celebrations, and activities. Support employees throughout their journey – assisting with onboarding new hires and managing offboarding processes. Manage schedules and logistics – coordinating meetings, appointments, and travel arrangements.

abra R&D is seeking a Software Developer to join our team! We are looking for a talented and hands-on Software Developer to join a team developing the central computer of an advanced autonomous platform. This role focuses on high-level software development in Python and Linux environments, involving integration, control logic, and autonomous process management. Key Responsibilities:
* Develop high-level management software for autonomous control and system logic.
* Work in Python on Linux , using Docker and Docker Compose
* Integrate communication layers (UDP, REST, DBS) and open system architectures.
* Collaborate with multidisciplinary teams and take part in system integrations and field tests.

We are seeking a motivated, innovative, and collaborative Software Developer to join our growing R&D team. In this role, you will work with cutting-edge technologies in a dynamic, agile environment and contribute to the design and development of LiveU’s core products.
Key Responsibilities:

* Participate in R&D projects throughout the full development life cycle, delivering high-quality, end-to-end architecture solutions for distributed and embedded systems.
* Develop infrastructure and high-level applications, with exposure to lower-level layers.
* Work on versatile features involving networking, routing, and video distribution over IP.
* Apply test-driven development methodologies, focusing on clean, reusable code and scalable architecture.
* Collaborate within a multidisciplinary Scrum team, including development, QA, automation, and system engineers.

We are looking for a motivated and experienced Senior software engineer to join our Cloud and K8s Group. The successful candidate will possess a strong technical background in low-level systems programming and will excel in developing performant, efficient, and reliable software across multiple operating systems. Expertise in C ++ and deep knowledge of Linux, macOS, and Windows internals are essential for this role, as you will be instrumental in building and optimizing our agent. Key Responsibilities:
* Design, implement, and optimize low-level system software components and libraries with a focus on performance and efficiency.
* Analyze and debug complex issues related to operating system internals ( Kernel, drivers, memory management) across Linux, macOS, and Windows platforms.
* Develop networking capabilities and optimize networking stack interactions within software modules.
* Write clean, maintainable, and well-tested C ++ code, while mentoring and reviewing peers contributions.
* Collaborate closely with infrastructure, security, and product teams to design scalable and secure systems.
* Contribute to CI/CD pipelines and automation workflows to streamline build, TEST, and deployment processes.
* Develop and maintain scripting tools (e.g., Python, Bash, PowerShell) to support development and operational tasks.
* Stay up to date with emerging technologies in systems programming, cybersecurity, and networking to continuously improve our solutions.

we are looking for a brilliant Marketing data Analyst to join our data department. As part of this position, you will be working alongside various marketing teams that are responsible for acquisition of new users. You'll use your analytical, technical and business expertise to track and measure marketing efforts, uncover trends, spot opportunities, and support key decision-making processes. You will be required to answer complex questions defined by executive management and various business units, develop insightful recommendations and initiate deep-dive analyses. Were looking for someone with a passion for numbers and marketing domain, a proactive mindset who brings creative ideas to solve tough challenges and spot new opportunities.You will leverage AI tools, automation, and advanced analytics to streamline workflows, uncover insights, and support data -driven marketing decisions.
What am I going to do:
* Conduct deep-dive analysis to answer complex business questions and deliver comprehensive recommendations.
* Build and maintain the teams reporting set and dashboards.
* Develop marketing measurement methodologies and data science models.
* Provide ROI-based recommendations to optimize marketing spend across channels.
* Identify opportunities for automation and smarter ways of working through data and AI tools.
* Manage multiple tasks in a fast-paced working environment.
* Collaborate closely with stakeholders across the marketing department.

As a Research Analyst, your responsibilities will include developing, managing and improving existing detection methods, correlating and discovering relationships between events and incidents, and producing research proposals, publications, and analysis reports. You will contribute to process improvement and efficiency by researching, assessing, and analyzing threat actors and adversary tactics and techniques based on real-world observations. We're looking for a motivated and seasoned security professional with the technical skills to analyze malware, conceive, design, and develop new methods or approaches to address cyber security threats/attacks. We value deep knowledge of hacking methodologies, a proven track record in delivering impactful cybersecurity solutions, and a strong drive to contribute meaningful security insights to our community!

About Us:
Cynet is a leader in threat detection and response, designed to simplify security for organizations of all sizes. Our mission is to empower lean security teams and their partners with an AI-powered, unified platform that autonomously detects, protects, and responds to threats - backed by 24×7 security experts. With a Partner First mindset , we focus on helping customers and partners stay protected, operate confidently, and achieve their goals. Our vision is to give every organization true cybersecurity peace of mind, providing fast, accurate protection without the noise or complexity.