לוח משרות דרושים Backend Engineer משרה מלאה

Were at a pivotal stage: strong product-market fit, rapidly growing adoption, and ambitious plans to scale our platform significantly. As our product expands, the complexity of our data, integrations, and infrastructure grows with it - and thats where you come in. We need a hands-on backend engineer to help us build and scale the systems that power our data platform: integrating new providers, strengthening our data pipelines, ensuring data accuracy at scale, and evolving our infrastructure to support the next phase of growth. This role is critical to turning momentum into long-term impact, helping shape a product thats already proven its value and is now ready to scale fast and far.

What Youll Do:
Backend, hands-on development, building and maintaining server-side systems at scale.
Integrate data from a wide range of external platforms and providers into the data warehouse, working with diverse APIs and data formats.
Design, build, and operate data pipelines, with a deep understanding of data flow from fetching to ingest to final data house.
Own and maintain integrations with external data providers, including API communication and operational reliability.
Work on systems that handle real-world infrastructure challenges, including rate limiting, state management, data consistency, and scalability.
Work with analytics- and matrix-oriented data structures, writing efficient, reliable code to process and transform data.
Monitor, investigate, and resolve data mismatches.
Define and evolve database schemas, ensuring performance, clarity, and long-term maintainability.

Join the SBC (Session Border Controller) Team, where you will be at the heart of our product ecosystem. Our team is responsible for architecting and building the management applications that power all our products.

As a Backend Engineer within our OAM (Operations, Administration, and Maintenance) Infrastructure group, you will dive into a multi-threaded, complex environment. Youll gain a unique, end-to-end perspective of our products by exposing core SBC features through diverse management interfaces, with a primary focus on our robust WEB infrastructure.

Key Responsibilities
Feature Development: End-to-end ownership of new features based on system engineering specifications.
Infrastructure Evolution: Develop and maintain high-performance WEB infrastructure across both Server and Client sides.
Problem Solving: Address and adapt to customer-facing incidents, ensuring high-tier reliability.

We are looking for a skilled Back-End Developer with at least 3 years of experience in Node.js development. The ideal candidate will have a strong understanding of server-side application logic, API development, and database management. You will be responsible for designing, developing, and maintaining scalable back-end services that support high-performance applications.

Key Responsibilities:
Develop and maintain scalable and efficient back-end services using Node.js.
Design and implement RESTful and GraphQL APIs to support front-end applications.
Optimize server-side performance, ensuring low-latency and high-availability of applications.
Work with databases (SQL and NoSQL) for efficient data storage and retrieval.
Implement authentication and authorization mechanisms for secure applications.
Collaborate with front-end developers, product managers, and other stakeholders to deliver high-quality solutions.
Write clean, maintainable, and well-documented code following industry best practices.
Ensure seamless integration with third-party services and APIs.
Maintain version control and collaborate using Git.

We are looking for a passionate and experienced Backend Engineer to join our Networking Group.
In this role, you will play a key part in developing our cloud-based, proprietary networking and security management solutions.
You will also design and implement highly scalable processes for gathering and analyzing real-time network statistics, events, and large-scale data.
Responsibilities:
End-to-end backend development: from processing large-scale data to designing efficient microservices.
Develop and enhance high-performance, scalable services.
Improve the reliability, security, and scalability of existing infrastructure.
Work closely with cross-functional teams including Product, Data, Security, and UX.
Research and adopt new technologies to improve our products.

Were building the next generation of autonomous cybersecurity technology - systems that think like attackers to continuously uncover security gaps in enterprise environments.
As a Senior Engineer in our Attack Simulation Platform team, youll design and build the engines, data models, and intelligent agents that simulate advanced adversaries across large-scale networks. Youll combine strong software-engineering skills with deep security intuition to create systems that mirror human attacker behaviour and discover real weaknesses before attackers do.
The Responsibilities
Design and build AI-driven agents that emulate adversarial behaviours such as lateral movement, privilege escalation, and persistence.
Develop core simulation and orchestration components in Go (primary language) and integrate with in-house AI models.
Model and simulate attack paths across complex enterprise environments (identity, endpoint, network, and cloud).
Collaborate with red-teamers, researchers, and data scientists to translate threat intelligence and real attack TTPs into executable logic.
Contribute to architecture decisions, scalability, and performance optimization for distributed simulations.

Were looking for a Senior Backend Engineer to join our Detection group. Be a significant part of the development of infrastructure that efficiently handles, processes, and stores vast volumes of data. Youll design and evolve core backend and build scalable, high-performance backend system that enables our company's real-time threat detection platform and find state-sponsored attacks.
The Responsibilities
Design and develop complex, large-scale backend systems that efficiently handle, process, and store high volumes of data.
Own backend architecture end-to-end, from early design decisions to production rollout and long-term evolution
Translate business and technical requirements into clear backend architecture and detailed implementation plans, with strong focus on design quality, maintainability, reliability, and performance.
Collaborate closely with cross-functional teams (Product, Data, DevOps, Security) to deliver robust backend and data-processing capabilities.
Build resilient, production-grade systems and drive modern engineering practices, leveraging cloud technologies.
Debug and resolve complex backend issues using strong analytical and problem-solving skills.
Lead technical initiatives, drive best practices, and raise the bar for engineering quality.

We're building our company's Cyber Threat Intelligence platform - an AI-first product that harvests, contextualizes, and serves threat intelligence at scale. We're looking for a Python-native backend engineer to own the infrastructure that makes this possible.
You'll design and build the systems that power both agentic AI workloads and large-scale data orchestration - exposing CTI insights as a service to UI components, APIs, and autonomous agents across the company ecosystem. This is a greenfield opportunity where you'll shape foundational architecture decisions on a new product with a small, high-impact team.
The Responsibilities
Shape and build our data lake architecture, orchestration layer, and data access patterns.
Build the tooling and infrastructure that enables AI agents to consume and reason over threat data.
Develop systems that harvest data from open and dark web sources, cross-reference signals, and contextualize raw intelligence into actionable insights.
Serve curated CTI data to various consumers - dashboards, internal services, and other agents in the company platform.
Instrument complex workflows with tracing and metrics - when things break in production, we need visibility to understand why.
Create developer tooling and experiences that make the platform usable for other engineers building on top of it.

We are looking for a motivated and experienced Senior Developer to join our Cloud and K8s Group. The successful candidate will possess a strong technical background in Kubernetes and different cloud environments, and will excel in developing advanced k8s-related features. Proficiency in NodeJS (Typescript), MongoDB, Kubernetes, Docker, and data queues is essential for this role, as you will be instrumental in refining our cloud CTEM offering.
Key Responsibilities:
Design and implement advanced k8s-related features to enhance our existing offerings.
Streamline deployment processes and ensure system reliability by demonstrating expertise in Kubernetes and Docker.
Develop modular and scalable solutions while leveraging microservices and jobs architecture.
Utilize advanced data processing techniques with tools such as Spark , Flink, written in Scala to improve system performance.
Contribute to the enhancement of system reliability at scale through hands-on experience with large-scale applications.
Develop attack techniques for K8S, cloud and AI technologies.

Are you a super-talent Senior Software Engineer with a deep passion for cybersecurity and a profound understanding of AI-driven attack techniques? We are looking for a highly professional and responsible R&D member to join our team.
This role is for someone who thrives on technical challenges and is ready to leverage their expertise to identify, analyze, and defend against advanced cyber threat
Responsibilities:
As a Senior Software Engineer in R&D, you will be a key player in the design, development, and deployment of our cybersecurity platform. Your responsibilities will include:
Leading the research and implementation of techniques to identify and mitigate AI-related attack methods, such as data manipulation and adversarial attacks on security systems.
Developing and integrating new security features into our platform to proactively defend against modern cyber threats.
Collaborating with our team to define technical requirements and architectural solutions for cutting-edge security features.
Tackling challenging technical problems at the intersection of cybersecurity and low-level systems.

We are looking for a Backend Engineer to join a growing group! Our Alerting backend powers real-time, streaming-based detection at massive scale, processing millions of events per second with millisecond latency to catch issues as they happen.
Built with a distributed, event-driven architecture, it supports complex pattern evaluation, dynamic enrichment, and fault-tolerant delivery for mission-critical observability
Our Stack:
Scala(ZIO)
Kafka Streams / Akka Streams
Kafka
ElasticSearch, Redis
Kubernetes
AWS
What You'll Do:
Lead the design, development, and evolution of scalable, high-impact systems.
Own features end-to-end, ensuring predictable production behavior from design through deployment.
Solve complex technical challenges at scale using sound engineering principles and modern stream processing technologies.
Collaborate closely with engineers and product managers to continuously improve the product.
Drive both technical excellence and meaningful user outcomes.

We are looking for a Backend Engineer to join a growing team!
Our Stack:
Node.js
Scala
Kafka Streams / Akka Streams
Spark
Kafka
ElasticSearch, Redis
Kubernetes
AWS
SQL
What You'll Do:
End-to-end development and ownership of our products and features, from design to scalable and predictable production behavior.
Solve diverse complex problems of high scale
Collaborate with other engineers and product managers in order to improve our products
Review code, architecture, and data to identify and troubleshoot problems

What youll do:
Own the technical direction of the Account Security group, driving architecture, engineering standards, and long-term technical strategy across multiple teams.
Be accountable for system design, architecture, code quality, reliability, scalability, and production readiness of mission-critical security services (authentication, MFA, real-time risk, bot protection, and abuse prevention).
Define and enforce engineering best practices and coding standards, ensuring high-quality, secure, and maintainable code across the group.
Design and evolve secure, scalable, and highly available backend systems that operate under real-time, high-throughput, and high-risk environments.
Partner closely with Product, Risk, Data, DevOps, and other R&D teams to align technical solutions with business and security needs.
Lead technical decision-making and navigate complex trade-offs between security, performance, scalability, and time to market.
Represent the group in architectural forums and design reviews, sign off on critical designs, and influence company-wide security architecture.
Proactively identify technical gaps, scalability risks, and security weaknesses, and drive cross-group initiatives to address them.
Continuously raise the engineering bar through design reviews, code reviews, testing strategies, observability, and operational excellence.
Mentor senior engineers and emerging technical leaders, shaping technical thinking and ownership across the group.
Play a key role in hiring, technical interviews, onboarding, and defining what great looks like for engineers in the group.

As a Backend Engineer in the Pricing & Packaging R&D crew, youll help build our monetization platform from the ground up: pricing and packaging engines that power a global payments platform. Youll work end-to-end on features - from discovery and design through implementation, testing, deployment, and monitoring - using modern AWS-based technologies and leveraging modern AI tools, while maintaining best engineering practices and high quality. This is a chance to join early, influence how things are built, and grow with the team.
What youll do -
Collaborate closely with Product, Design/UX, DevOps, and other R&D teams to understand business needs and translate them into technical solutions, covering full development lifecycle: discovery, design, implementation, code reviews, testing, deployment, and monitoring.
Design, build, and maintain backend services and APIs for pricing, packaging, and monetization flows, in Node.js and C# over relational and document-based databases (SQL, MongoDB), running on AWS, using containers and Kubernetes.
Write clean, maintainable, and testable code, following engineering best practices.
Integrate with message brokers (e.g., Kafka, SQS, RabbitMQ) to build robust, event-driven services.
Contribute to improving our CI/CD pipelines, observability, and production readiness (logs, metrics, alerts, dashboards).
Continuously learn and share knowledge with the team, contributing to a culture of excellence, ownership and continuous improvement while building each other up.

Required Experienced Backend Engineer
Realize your potential by joining the leading performance-driven advertising company!
As an Experienced Backend Engineer in Demand in our Tel-Aviv Office, youll play a vital role in developing one of the largest real-time big data operations in the world to support over 40TB of new data every day.
How youll make an impact:
As an Experienced Backend Engineer, youll bring value by:
Design and develop systems that help our advertisers manage budgets and optimize performance toward their business goals.
Build scalable, reliable solutions to process and analyze massive data sets and generate actionable insights.
Work on a large-scale, high-throughput recommendation system that impacts how billions of people discover the internet.
Leverage one of the worlds largest real-time big data operations, processing over 140TB of new data daily.
Take full ownership: design, build, launch, measure, and maintain products that help advertisers achieve their goals effectively and at scale.
Collaborate with talented engineers, data scientists, and product managers to create innovative, high-impact solutions.

We are seeking a highly skilled and motivated Backend Engineer to join our Application team in our company. As an Application Backend Engineer, you will be responsible for the development, maintenance, and enhancement of our SaaS and on-premise platforms. Your mastery of backend development will be the driving force behind our cutting-edge solutions. Collaborating with diverse teams, you'll play a pivotal role in shaping the success of our products and delivering unparalleled experiences. Together, we'll create robust and innovative solutions that push the boundaries of cybersecurity.
Roles And Responsibilities
Design, develop, and maintain the backend components of our SaaS platform and on-premise application.
Collaborate closely with front-end developers, product managers, and quality assurance engineers to deliver new features and improvements.
Implement scalable and secure backend solutions for both the SaaS and on-premise platforms, following industry best practices and coding standards.
Participate in code reviews, provide constructive feedback, and ensure high-quality code through unit testing and documentation.
Collaborate with other teams to define and refine product requirements, contributing to the overall product roadmap.
Assist in troubleshooting customer issues and provide technical support when required.
Contribute to architectural discussions and technical decision-making, leveraging your expertise to drive the evolution of our products.
Embrace the power of production! Take the lead in every step of the process, from design to development, through code reviews, testing, and finally witnessing the fruition of your work in the live environment. Fearlessly own the end-to-end journey of your code and revel in the satisfaction of seeing it in action.
Our Tech Stack: Java (Spring), Python (Flask), MongoDB (Atlas), Neo4j, AWS, Docker, and so much more (which some might be up to you and your ideas)