לוח משרות דרושים Backend Engineer משרה מלאה

Required Backend Engineer - Internal Platform Engineering
Job Description
As a Backend Engineer, youll join a brand new team focused on development tools such as AI agents, gateways, and orchestrations, working to improve our velocity and quality.
Build tools used by every developer, with the goal of significantly improving the velocity and quality of tools and products in the organization
Create new solutions and take ownership of existing ones in areas like production testing and performance
Take projects from ideation to production, including technical design, RFC, coding and more
Work with cutting-edge full-stack technologies at the highest industry standards and leverage the most up-to-date tools
Be a part of an R&D team with extremely experienced colleagues
Create tools by developers for developers, influencing the product at virtually every level.

Required Backend Engineer - eCommerce
Job Description
As a Backend Engineer, youll join a growing global team, shaping the future of eCommerce. Youll develop and maintain the core selling and order management capabilities for all our verticals. Working in a highly distributed, cutting-edge environment, youll play a central role in building scalable, resilient systems that handle millions of requests per minute. In your day-to-day, you will:
Build and maintain backend systems to process 1.5 million API requests and 400,000 events per minute
Design, implement, and optimize scalable and resilient systems with an API-first approach
Solve high-scale technical challenges in a distributed microservices environment (~100 microservices)
Collaborate with cross-functional teams to ensure seamless integration and functionality across the platform
Lead technical initiatives to improve system performance, reliability, and scalability
Mentor and guide junior engineers to help them reach their full potential Strong communication skills in both Hebrew and English are required.

Required Backend Engineer - Billing Platform
Job Description
As a Backend Engineer, youll join the team responsible for our Billing Platform, a core system serving millions of active subscription users at massive scale. Our mission is to build the next-generation billing system at a flexible and scalable platform that supports multiple verticals, diverse business models, and modern payment and subscription flows.
In your day-to-day, you will:
Design, build, and maintain backend systems that support millions of subscriptions and high-traffic payment flows
Take part in shaping the new Billing architecture, supporting multiple verticals and flexible payment models
Lead and contribute to architectural and design decisions in a complex distributed microservices environment
Improve existing systems by addressing scalability, performance, reliability, and maintainability challenges
Build API-first services that integrate with multiple internal platforms and external payment providers
Use data and AI-assisted tooling to optimize flows, analyze production behavior, and reduce operational overhead
We believe our best work happens together. Our work model is fully in person, with 5 days a week from our office. Flexibility remains a core value and special requests are handled thoughtfully at the team level.

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.