Senior Backend Engineer at AppsFlyer | Herzliya

About Spines: The Leading Book Publishing Platform in the U.S.At Spines, we are revolutionizing the publishing landscape for a new generation, harnessing the power of technology to prioritize authors.Our innovative publishing platform merges advanced AI capabilities with human expertise, enabling writers to publish professionally in diverse formats and languages. The tools we create simplify the intricacies of publishing, making it accessible, scalable, and author-centric.Our mission is to ensure that every remarkable story finds its voice, allowing no great narrative to be overlooked.We are expanding our team with individuals eager to shape the future of publishing, fueled by passion, purpose, and the chance to make a significant difference for authors and readers worldwide.Are you ready to contribute to what comes next and redefine the future for creators globally? We invite you to apply now.The ideal candidate will deliver comprehensive technical support to teams both in Israel and internationally, adeptly troubleshooting hardware and software challenges, facilitating employee onboarding, and ensuring seamless system functionality.We seek a curious and hands-on individual, a collaborative team player with an open mindset, keen technical intuition, and a proactive approach to enhancing and streamlining IT processes. A service-oriented demeanor and the ability to work independently in a dynamic, global environment are essential.

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.

Join AppsFlyer, a leader in mobile attribution and marketing analytics, as a Backend Engineer in our innovative Measurements Unit. This unit serves as the heartbeat of our technology, processing vast amounts of real-time data across billions of daily events, encompassing mobile, web, CTV, gaming platforms, and more.Our team is responsible for crafting advanced attribution logic which is integral to our industry-leading solutions, significantly impacting partnerships with major players like Meta, Google, TikTok, and others.We pride ourselves on our rapid deployment culture, ensuring that code is released into production swiftly after development, all while maintaining a focus on safety, robustness, and architectural integrity. Our backend systems handle over a hundred billion events daily at remarkable speed.As a Backend Engineer at AppsFlyer, you will enhance and refine our microservices architecture to deliver the leading mobile analytics solution. We utilize cutting-edge technologies including Clojure, Go, Kafka, Redis, BigQuery, GraphQL, SQL, and NoSQL databases, alongside cloud solutions from AWS and GCP.We are committed to engineering excellence and are looking for talented backend developers who are eager to tackle technical challenges at scale while growing their skills in a supportive environment.At AppsFlyer, personal growth is key. You will have opportunities to expand your technical expertise by working with innovative technologies and participating in various training programs.

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...

Role Overview Appsflyer is looking for a Full Stack Engineer in Herzliya. This position works closely with teams across the company to build and improve applications that serve our users. The role covers both front-end and back-end development, focusing on smooth integration and reliable performance.

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.

Spines: The Leading Fastest-Growing Book Publishing Platform in the U.S.At Spines, we are on a mission to revolutionize the publishing landscape for the modern age, utilizing technology that centers around the author.Our cutting-edge publishing platform merges advanced AI with human insights, empowering writers to publish their works professionally in various formats and languages. We are dedicated to simplifying and scaling the publishing process, ensuring it is always author-centric.Our goal is to democratize professional publishing, so that every remarkable story has the chance to be told.Join our dynamic team of passionate individuals keen on shaping the future of publishing, driven by creativity, purpose, and the desire to make a meaningful difference for authors and readers worldwide.Are you ready to help us create the next chapter in publishing? Apply today!

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.

At AppsFlyer, we pride ourselves on our robust backend infrastructure, processing over 200 billion mobile app events daily. Our systems leverage cutting-edge technologies such as Node.js, Go, Kafka, GraphQL, Neo4j, Redis, BigQuery, and AWS to deliver seamless service to our users on a global scale. The SaasLab group, a vital part of the AppsFlyer Operating System (AFOS) unit, oversees the SaaS platform and control plane. This foundational layer is crucial for managing users, accounts, billing, API gateway, authentication, permissions, and business integrations. Our systems support millions of API calls daily, catering to thousands of enterprise customers worldwide. We are seeking a dynamic R&D Group Lead to oversee the SaasLab group, guiding multiple engineering teams responsible for the essential platform services that underpin every AppsFlyer product. In this role, you will lead the technical vision and architectural transformation, ensuring the reliability and scalability of our SaaS infrastructure. The ideal candidate will possess a strong architectural mindset, experience in platform and infrastructure leadership, and the ability to align long-term technical strategies with the continuous delivery of business value.

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.

Join Spines: The Leading Innovator in Book PublishingAt Spines, we are transforming the landscape of publishing for the modern age, leveraging technology to prioritize authors and their stories.Our cutting-edge platform fuses advanced AI with seasoned human expertise, enabling writers to publish professionally in various formats and languages. We strive to simplify a traditionally complex process, making it scalable and centered around the author.Our vision is to democratize professional publishing, ensuring every great story receives the attention it deserves.We are expanding our team with individuals who are passionate about reshaping the future of publishing and making a tangible difference for authors and readers worldwide. Are you ready to help us redefine what’s possible for creators globally? Apply today!About the PositionWe are on the lookout for a motivated and detail-oriented Legal Counsel - M&A to join our expanding legal team and facilitate the company’s corporate and transactional activities. This is an exceptional opportunity for a skilled attorney with 4+ years of experience in a prestigious law firm aiming to transition into an in-house legal role within a vibrant, fast-growing technology firm with operations across Israel, LATAM, and the US.In this role, you will be instrumental in supporting mergers and acquisitions, strategic investments, joint ventures, and corporate governance issues while working closely with our Finance, Product, HR, and Business Development teams.Key ResponsibilitiesDeliver comprehensive legal support for M&A transactions, including due diligence, term sheet and SPA negotiations, and post-closing integration.Draft, review, and negotiate a diverse array of commercial agreements, such as investment, partnership, licensing, and equity documents.Advise management and cross-functional teams on corporate structure and compliance matters.Collaborate closely with Finance, HR, Operations, and R&D to align legal frameworks with business objectives.Oversee and coordinate external counsel during cross-border transactions and due diligence efforts.Assist in developing internal legal operations, including templates, contract repositories, approval workflows, and risk management protocols.Foster a culture of proactive risk assessment, clear communication, and collaborative decision-making.

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 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.

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 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.

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.

Join the dynamic Finance team at AppsFlyer as an Accounts Receivable Specialist! We are seeking a diligent and results-oriented professional who thrives in a collaborative environment and is eager to contribute to our company's success. This is a full-time position within our Accounts Receivable team. As an Accounts Receivable Specialist, you will be responsible for managing collection processes, monitoring overdue accounts, and liaising with clients regarding their payments. Your role will involve both following established procedures and exercising your excellent communication skills to resolve account-related queries efficiently. Key Responsibilities: Oversee overdue accounts, effectively communicating with customers to address payment issues and updating accounts receivable records. Reconcile accounts and payment records across various providers. Ensure timely and precise cash application. Generate customer statements and recommend necessary escalations or write-offs. Manage account adjustments and handle billing/payment inquiries. Apply appropriate tax regulations and forecast collections on a weekly/monthly basis. Analyze billing data to prevent errors and delays. Qualifications: Bachelor’s degree in Business, Accounting, Finance, or a related field. A minimum of 2 years of practical experience in Accounts Receivable and Collections. Familiarity with ERP and CRM systems, such as NetSuite or Salesforce. Strong organizational and analytical skills with a process-oriented mindset. Ability to work independently with minimal supervision. Excellent time management, prioritization, and interpersonal communication skills. Proficient in Microsoft Office, particularly Excel. Fluency in English, both verbal and written. Bonus Points: Experience in the tech industry. Multi-lingual abilities. Referral from an AppsFlyer employee. At AppsFlyer, we pride ourselves on our diverse and inclusive workplace, reflecting the rich tapestry of our global community. We are committed to equal opportunities for all and encourage a wide range of talents to join our global teams, regardless of race, gender, culture, or sexual orientation. Curiosity, diversity, and innovation are core values we cherish in our employees and partners.

Join AppsFlyer, a global SaaS leader trusted by industry giants like Meta, TikTok, Nike, and eBay to enhance their growth through precise measurement, analysis, and optimization. Our platform processes billions of events daily, and as a Product Designer, you will be pivotal in transforming complex data into user-friendly solutions. We are seeking a passionate and experienced Product Designer to help us shape the innovative future of our B2B platform. In this role, you'll be part of the Creative unit, collaborating closely with a diverse squad of product managers, engineers, data scientists, and analysts. At Creative, we harness cutting-edge AI-powered tools designed to address any creative production and optimization challenges, empowering advertisers to amplify their marketing campaign performance and meet their business goals. You will take complete ownership of the design process—from identifying user needs and uncovering hidden opportunities to ideating, prototyping, and crafting visually stunning solutions. Your contributions will also include establishing feedback loops that enable our products to evolve meaningfully.

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.