Senior Application Security Engineer

Role Overview Payoneer is looking for a Finance Application Specialist to join the finance team in Herzliya, Tel Aviv District. This position plays a key role in maintaining and improving the company’s financial applications, with a focus on supporting smooth financial processes and helping the team reach its goals.

Join our dedicated team at AppsFlyer, where we strive to combat marketing fraud with innovative and effective solutions. Our product, Protect360, employs real-time, multi-layered strategies to prevent and detect fraudulent activities.As a Senior Backend Engineer, you will play a crucial role in developing and optimizing our algorithms. Your work will enable our solutions to process large-scale data with exceptional speed and low latency, ensuring that our clients' advertising budgets are protected.You will take ownership of product features from conception to production, solve complex problems, collaborate with cross-functional teams, and continuously explore new technologies to keep our systems at the forefront of the industry. Your mentorship and leadership will help foster a culture of excellence within our team.

Role Overview Shift4 Payments, Inc. is hiring a Senior Data Engineer to join the Data Infrastructure team in Herzliya. This team builds and maintains the data systems that support Shift4’s payment processing and technology products. What You Will Do Design, build, and maintain scalable data pipelines Work closely with data scientists and analysts to improve data workflows Ensure data integrity across systems and processes Impact and Collaboration This role shapes the backbone of Shift4’s data capabilities. Senior Data Engineers here help strengthen the company’s data infrastructure, supporting both current needs and future growth.

Become a pivotal member of the Business Data & Development Group at AppsFlyer! As a leading mobile attribution and marketing analytics platform, AppsFlyer is experiencing rapid growth. Our expanding customer base leverages our diverse product offerings to generate valuable data, which we process and analyze to deliver actionable insights that empower our clients to make optimal decisions. The Business Data & Development team is crucial to the SaaS infrastructure at AppsFlyer, playing a vital role in designing and developing the core business workflows and services that drive our growth and help us expand our customer reach and product range. We invite an experienced Backend Engineer to join our core model team! This team's mission is to manage and maintain the services and workflows that oversee the lifecycle of AppsFlyer accounts, ensuring our clients enjoy a seamless and dependable user experience. We seek a seasoned backend engineer with expertise in crafting resilient and robust production services. You should have a solid understanding of modern microservices architecture, related technologies, and best practices. Your strong problem-solving skills, sense of accountability, teamwork, independence, and passion for continuous improvement are essential attributes we value. Our work involves developing event-driven systems and real-time APIs, predominantly utilizing Node.js, Go, and Python. We work with various technologies, including Apache Kafka, Kubernetes (K8S), managed AWS services (like RDS, CloudFront, Athena, ElastiCache), DataDog, and GraphQL. What you'll be doing: Design and develop end-to-end services and features, including requirement gathering, research, implementation, deployment, and monitoring. Integrate and implement AI flows and solutions within the team and broader department. Enhance quality and identify weaknesses in existing processes and services. Engage in brainstorming sessions and contribute to early-stage design discussions. Mentor and collaborate with team members, other development teams, and business units across the organization. Commit to continuous learning and staying updated on new technologies to ensure informed technology decisions.

About PayoneerEstablished in 2005, Payoneer is a leading global financial platform dedicated to simplifying cross-border business transactions. Our mission is to connect underserved businesses with the burgeoning global economy. Our diverse community comprises over 2,500 professionals working tirelessly to support customers and partners across more than 190 countries and territories.By streamlining financial workflows—ranging from global payments and compliance to multi-currency management, workforce optimization, and business intelligence—we equip businesses with the necessary tools to operate efficiently on a global scale and foster growth with confidence.We are seeking a collaborative team player who excels in interpersonal communication and possesses a service-oriented mindset. An innovative thinker who embraces creativity and adaptability, you should be self-motivated, quick to learn, and accountable.In your role as a Senior DevSecOps Engineer at Payoneer, you will be pivotal in integrating security throughout the software development lifecycle (SDLC). Your responsibilities will include designing, implementing, and maintaining security controls and automation across our CI/CD pipelines, infrastructure, and application stack.Key Responsibilities:Integrate and manage security tools within the CI/CD pipeline, including:SAST (e.g., SonarQube)SCA / Dependency Scanning (e.g., Snyk, Trivy, GitHub Dependabot)Secret Detection (e.g., Gitleaks, HashiCorp Vault)Container/Image Scanning (e.g., Aqua, Prisma Cloud, Trivy)Drive security automation and enforcement for:Infrastructure as Code (e.g., Terraform)Configuration Management (e.g., Ansible, Chef)GitOps workflows (e.g., ArgoCD)Implement security guardrails and best practices throughout the SDLCAutomate compliance checks (e.g., OWASP Top 10, CIS Benchmarks) within development workflowsIntegrate with observability and monitoring systems (e.g., Prometheus, Grafana, ELK, Coralogix)Collaborate with cross-functional teams including Product, QA, Development, and IT/Ops to enhance overall security postureParticipate in on-call rotations for production systems as requiredYour Profile:Minimum 3 years of experience in DevOps, DevSecOps, or Security Engineering...

Are you ready to take the next step in your career as a Senior AI Prompt Engineer? Join Payoneer's cutting-edge Digital & AI Team, where you will be at the forefront of AI technology. In this role, you will design and develop advanced AI prompts that enhance user experience and drive business success.As a key member of our team, you will collaborate with cross-functional partners to create innovative solutions that utilize AI capabilities. Your expertise will contribute to improving our product offerings and delivering exceptional value to our clients.

Join Payoneer as a Principal Engineer and be at the forefront of financial technology innovation. In this pivotal role, you will lead and mentor a team of engineers, driving the development of scalable solutions that enhance our global payments platform. Your expertise will help shape the future of how businesses operate internationally.

Join our dynamic global finance team as a Senior Revenue Controller, a crucial role that bridges Finance, Sales, and Strategy. In this pivotal position, you will be at the heart of our revenue operations, overseeing Annual Recurring Revenue (ARR) integrity, guiding commercial strategies, and collaborating closely with Sales to facilitate scalable and compliant growth.As a financial gatekeeper and strategic advisor, you will have direct access to senior leadership and play a significant role in shaping business outcomes.Key Responsibilities:Ownership of the ARR Engine:Manage ARR and bookings comprehensively, ensuring accuracy, consistency, and scalability throughout the organization.Deliver in-depth financial insights on critical SaaS metrics, including forecasting, pricing analysis, and efficiency ratios.Offer data-driven recommendations that significantly impact business growth strategies.Play an essential role in the monthly global revenue close, ensuring timely, accurate, and compliant reporting.Commercial & Strategic Business Partner:Collaborate with Sales throughout the deal lifecycle, assisting in opportunity structuring within Salesforce.Provide financial guidance on intricate and non-standard deals.Serve as a trusted advisor to Sales, Revenue Operations, and Business Operations.Integrate financial insights into commercial discussions to enhance deal quality and outcomes.Assist in resolving complex deal scenarios and managing strategic accounts.

Role overview AppsFlyer is looking for a Senior Product Designer in Herzliya. This role focuses on designing products that improve the usability and functionality of the AppsFlyer platform. What you will do Work closely with cross-functional teams to create user-focused product experiences Apply strong design principles to influence product vision and strategy Ensure designs align with user needs and help shape the direction of the platform What we look for Experience designing digital products with a focus on usability Ability to collaborate across teams and disciplines Strong grasp of design principles and user-centered thinking

AppsFlyer stands at the forefront of mobile attribution and marketing analytics, enabling countless premier applications and brands to make informed growth decisions. Our Analytics offerings lie at the heart of our Measurement suite, transforming intricate attribution, revenue, and performance data into reliable, actionable insights that scale marketing strategies effectively. We are in search of a Senior Product Manager to bolster our Analytics team within the Measurement division. In this pivotal role, you will oversee a fundamental analytics domain utilized daily by global advertisers to assess, interpret, and enhance their marketing performance. You will navigate the complexities of large-scale data, attribution challenges, privacy-centric measurement modifications, and AI-augmented functionalities—shaping the way our customers comprehend and depend on their marketing data. This role is high-impact and highly visible, directly influencing customer trust, product strategy, and the advancement of AppsFlyer’s analytics platform.

Join Databricks as a Field Engineering Manager in Herzliya, Israel. In this pivotal role, you will lead a talented team of field engineers, driving the deployment and integration of our cutting-edge data analytics solutions. Your leadership will empower your team to deliver exceptional customer experiences and foster strong relationships with clients.As a key player in our organization, you will collaborate closely with sales, product, and engineering teams to ensure our solutions meet the evolving needs of our customers. You will also be responsible for mentoring and developing your team to achieve their professional goals.

Are you a data enthusiast with a passion for transforming raw data into actionable insights? Join Payoneer as a Senior Business Intelligence Developer, where you'll leverage your expertise to design, develop, and maintain robust BI solutions.In this role, you will collaborate closely with cross-functional teams to understand their needs, translating them into effective reporting solutions. Your analytical skills will be vital in driving data-driven decisions that empower our business strategy.

Role Overview Payoneer is looking for a Senior Operations Technology Specialist in Herzliya, Tel Aviv District, Israel. This role focuses on improving operational efficiency by applying technology solutions that support the company’s mission to simplify cross-border payments and help businesses grow globally. What You Will Do Optimize the operations technology framework to support business goals. Ensure smooth integration and reliable functionality across multiple platforms. Apply technical expertise to streamline processes and enhance system performance. About Payoneer Payoneer connects businesses worldwide with secure and efficient payment solutions, enabling seamless international transactions.

As a DevOps Infrastructure Engineer at Payoneer, you will play a pivotal role in enhancing our infrastructure and ensuring seamless integration between development and operations. You will collaborate with cross-functional teams to build and maintain scalable systems, automate processes, and implement best practices in infrastructure management. Your expertise will help us improve our deployment pipelines and optimize our cloud services.

Join the dynamic team behind the Protect360 BetterBid product as an accomplished Data Engineer. BetterBid is a cutting-edge, real-time decision engine that operates at the forefront of large ad platforms, delivering fraud and optimization signals before budgets are committed and downstream systems are activated. Our system processes billions of bid requests daily (over 5 million per second at peak), returning decisions in approximately 10 milliseconds end-to-end. Behind this technology is a robust data platform that ingests around 500 billion events daily (approximately 465 terabytes) from global mobile activities. We specialize in building large-scale ETL (Extract, Transform, Load) and feature pipelines utilizing tools such as BigQuery, Dataflow (Apache Beam), Dataform, and Airflow. Our team trains machine learning models and generates statistical signals from massive historical datasets. The real-time component leverages these artifacts through ultra-low-latency services powered by Bigtable, deployed across multiple regions to meet our aggressive latency and availability targets. As a part of AppsFlyer, the leading mobile measurement and attribution platform worldwide, you will be engaged in a greenfield initiative with new architecture and infrastructure, allowing you to directly influence product and business decisions. You will have ownership of the system from end to end, encompassing Kubernetes and OpenTelemetry-based observability, through data pipelines and model serving, to high-performance backend services.

Team Overview The Site Reliability Engineering (SRE) team at Pendo plays a crucial role in provisioning and overseeing cloud infrastructure throughout the development and production lifecycle for all product initiatives. We collaborate closely with developers and product managers to guarantee that our products are not only reliable and high-performing but also cost-efficient. Our platform leverages Google Kubernetes Engine (GKE) alongside various Google technologies including Memorystore, Cloud Datastore, PubSub, Cloud Functions, BigQuery, and Vertex AI, in addition to services from vendors like Amazon SES. In the development phase, SREs ensure that developers have stable and efficient continuous integration and release pipelines, as well as development environments enabling swift delivery of new features. In production, SREs handle Tier 1 on-call duties and incident management, supporting a high-throughput platform that processes over 35 billion events daily. To maintain reliability for our customers, SREs work in tandem with developers and product managers to define service level objectives, analyze failure scenarios, and design systems that effectively balance cost with reliability. Additionally, SREs partner with the Information Security team to secure our cloud infrastructure, ensuring compliance with industry standards like SOC 2. Key Responsibilities Develop high-quality infrastructure-as-code that automates the provisioning, deployment, scaling, and monitoring of Pendo’s infrastructure to ensure reliability and performance. Create maintainable code focused on product functionality, with an emphasis on operations, scalability, resilience, and monitoring. Collaborate with fellow engineers to ensure that new services are well-designed, properly monitored, and accompanied by clear SLIs and achievable SLOs. Troubleshoot production issues, quickly identify mitigation strategies, and implement preventive measures. Maintain and automate runbooks for manual tasks wherever feasible. Proactively monitor our capacity, quotas, and other performance limits to plan for growth effectively. Engage in a 24x7 on-call rotation to manage product availability issues and urgent customer support escalations.

About PayoneerEstablished in 2005, Payoneer serves as a global financial platform designed to streamline cross-border business, with a mission to link underrepresented businesses to the burgeoning global economy. Our diverse community consists of over 2,500 professionals worldwide, dedicated to supporting customers and partners across more than 190 countries and territories.By simplifying complex financial workflows—including global payments, compliance, multi-currency management, workforce solutions, working capital provision, and business intelligence—we empower businesses with the necessary tools to operate efficiently and expand confidently in the global marketplace.Role SummaryAs a member of a dynamic AI Pod (3–5 engineers) within our R&D team, you will take ownership of projects from start to finish. This entails grasping business needs, architecting solutions, implementing them, and supervising production monitoring. This innovative approach at Payoneer allows you to collaborate directly with business stakeholders, deliver AI-driven capabilities rapidly, and help establish the methodology as we evolve.LocationHybrid - Herzliya, IsraelFull-timeWhat You'll DoOversee the complete development cycle: identify business challenges, define solutions, architect, build, deploy, and monitor in production.Leverage AI as your primary development instrument, accomplishing in a single day what previously required a week for a team.Work alongside your AI Pod and business stakeholders to define decision logic, establish risk thresholds, and determine success metrics.Design and implement evaluation frameworks for every solution—only ship what you can measure.Manage production readiness, including monitoring, alerting, and observability from day one.Contribute to the evolution of team practices, tools, and engineering standards within the pod.Break down business challenges into actionable workflows, orchestrated processes, and reusable capabilities.Who You Are5+ years of software engineering experience, with a focus on developing and operating production systems.Hands-on experience with AI/ML systems in a production environment—not just prototyping, but shipping, monitoring, and iterating.Fluent in utilizing AI-driven development tools, leveraging them daily to enhance productivity.Experienced in designing agentic architectures: orchestration, multi-step workflows, RAG pipelines, fallback and error handling.Possess strong evaluation instincts—define metrics, create test sets, and validate solutions before deployment.Comfortable...

Role Overview AppsFlyer is looking for a Backend Engineer to help build and improve scalable backend systems. This role focuses on developing solutions that support the performance and reliability of our platform for mobile marketing. What You Will Do Design and implement backend components that handle large-scale data and traffic Work closely with other engineers to deliver features and enhancements Contribute to the stability and efficiency of core services Location This position is based in Herzliya.

The Web Attribution group at AppsFlyer designs and operates the data infrastructure that tracks web user journeys from the first click through to conversion. Managing over 150 billion events, this team expands AppsFlyer’s analytics beyond mobile, providing advertisers and marketers with real-time, accurate insights. Role overview This Data Engineer position centers on building and maintaining large-scale data pipelines. The work supports client dashboards and APIs, enabling customers to measure and optimize their web performance. The team’s efforts directly impact product features that clients use daily. What you will do Manage the entire data pipeline, from ingesting raw web events to distributed data processing and delivery. Develop and support the data layer that powers dashboards and APIs for clients. Shape product features that help customers track and improve web results. Integrate AI and large language model (LLM) features into data workflows, including intelligent validation, anomaly detection, and AI-driven analytics interfaces. Requirements Background in building and maintaining large-scale data pipelines. Experience working across the full data lifecycle, from ingestion to serving. Interest in applying AI and machine learning to data processing and analytics. Strong sense of ownership and motivation to shape product features, not just internal systems. Location This position is based in Herzliya.