Principal Engineer

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.

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...

Join Payoneer as an AI Enablement Technical Lead, where you will drive the integration of advanced AI solutions into our business processes. Collaborate with cross-functional teams to harness the power of artificial intelligence, enhancing efficiency and innovation across our services.

Join Payoneer as a FinOps Specialist in AI & Cloud, where you'll play a critical role in optimizing our financial operations. This position involves analyzing financial data, implementing cost control measures, and collaborating with cross-functional teams to enhance our cloud-based financial services.

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.

Join Spines: The Leading Book Publishing Platform in the U.S.At Spines, we are revolutionizing the publishing industry for a new era, driven by cutting-edge technology and a commitment to our authors.Our innovative publishing platform integrates powerful AI with human expertise, empowering writers to publish professionally across various formats and languages. We simplify the complex publishing process, making it scalable and author-centric.Our mission is to make professional publishing accessible to everyone, ensuring that every great story is told.We are assembling a passionate team of individuals eager to shape the future of publishing, united by craftsmanship, purpose, and the chance to make a significant impact on authors and readers worldwide.Are you ready to create what comes next and redefine the future for creators around the globe? Apply today!About the Role:We are seeking a seasoned Senior Product Manager & Team Lead to become an essential part of our team. You will play a pivotal role in navigating the unique challenges of the B2C sector while guiding our transformation into a genuine Product-Led Growth (PLG) organization. This position demands a combination of high-level strategic thinking, team leadership, and a hands-on technical approach to scaling products in a dynamic growth environment.Key Responsibilities:Lead and mentor a team of product professionals to translate complex data into impactful results.Develop and implement a Product-Led Growth strategy to enhance user acquisition, engagement, and retention for our B2C audience.Take ownership of the product roadmap, prioritize features, and drive execution while balancing speed and quality.Conduct market research and user analysis to uncover opportunities for product innovation and enhancements.Define key performance metrics and monitor product performance to optimize effectiveness.Collaborate with cross-functional teams, including C-level executives, developers, designers, operations, and marketing.Drive user testing and experimentation to refine product features and ensure successful releases.

AppsFlyer, a global leader in marketing measurement, attribution, and data collaboration, empowers brands to make informed business decisions with privacy-focused technologies at scale. Our platform handles hundreds of billions of data points daily, supporting mission-critical products with an emphasis on scalability, reliability, and trust.The Collab Unit is on the lookout for a talented Team Leader to head the Audience Team. This team is crucial for developing the products and infrastructure that enable customers to create, manage, and activate high-value audiences across various channels and marketing scenarios. As the leader of this strategic domain, you will guide a multidisciplinary engineering team in shaping the future of audience building and activation.In this role, you will collaborate closely with product managers, architects, data teams, and other engineering teams to deliver scalable, dependable, and user-centric solutions. We seek a strong engineering leader who is enthusiastic about building exceptional teams, tackling complex data and backend challenges, and effectively driving execution in a dynamic environment.

Join Payoneer as an IT Support Team Leader, where you will play a critical role in leading our IT support team to ensure seamless operations and exceptional service delivery. You will be responsible for overseeing support processes, driving efficiency, and enhancing team performance. As a key member of our organization, you will collaborate with various departments to provide technical solutions and support, ensuring our team remains responsive to the needs of our users.

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.

Join Payoneer as a Team Leader in Cloud Modernization, where you'll spearhead innovative projects that transform the way businesses operate in the cloud. Your leadership will be crucial in guiding a talented team to leverage cutting-edge technologies and enhance our cloud infrastructure.

Join AppsFlyer’s dedicated Security team as a Senior Application Security Engineer, where you'll play a pivotal role in safeguarding our products and applications. In this influential position, you will spearhead our security design initiatives, champion secure coding practices, and rigorously validate our services against established security standards.Collaborating closely with our Research and Development (R&D) and Product teams, you’ll proactively identify, mitigate, and prevent security risks throughout the software development lifecycle (SDLC). As a seasoned engineer, you will take charge of security initiatives, mentor developers in security best practices, and significantly contribute to enhancing the security posture of AppsFlyer’s offerings.The perfect candidate will be highly motivated, eager to learn, and possess a strong “security by design” mindset. This role offers exciting career development opportunities, allowing you to expand your expertise in Application Security (AppSec), DevSecOps, and cloud security.

Join AppsFlyer, a leader in mobile attribution and marketing analytics, as we redefine the cloud infrastructure landscape. Our robust production environment processes millions of events per second, generating valuable insights and managing petabytes of data at a global scale. Our engineering teams are committed to rapid deployment and continuous improvement while maintaining stability.As a Cloud Architect, you will be the technical cornerstone in steering significant architectural strategies and decisions that will shape the future of our distributed platform.Key Responsibilities:- Platform & Scale Leadership: Spearhead the architectural modernization and scaling efforts of our infrastructure across various geographic locations and diverse cloud providers.- Cross-Organizational Influence: Collaborate with different teams within the organization to understand their requirements and translate them into actionable, production-ready capabilities.- Multi-Cloud Data Strategy: Develop and advocate for a comprehensive multi-cloud data strategy, ensuring efficient data governance, security, and cost-effective data flow for ingestion, storage, and advanced analytics across environments.- Microservices Design & Resilience: Oversee the architectural design of our microservices, focusing on cross-cloud resilience and effective traffic management.- AI Transformation Leadership: Drive initiatives that leverage AI to enhance developer experiences, implement intelligent automation, and expedite software delivery and operational efficiency.- Strategic Alignment: Build consensus among engineering and business leaders for strategic projects, translating complex technical plans into measurable business results.- Architecture Definition: Shape the vision and long-term direction of the Cloud Platform team and the broader R&D organization.- Engineering Excellence: Advocate for high engineering standards and mentor team members to ensure adherence to solid architectural principles.- Architect Forum Participation: Actively engage in the company's architect forum, facilitating technical discussions and decision-making processes across the organization.

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...

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.