דרושים » תוכנה » Senior Backend Engineer

XM Cyber is a global leader in hybrid cloud security. XM Cyber brings a new approach that uses the attacker’s perspective to find and remediate critical attack paths across on-premises and multi-cloud networks. The XM Cyber platform enables companies to rapidly prioritize and respond to cyber risks affecting their business-sensitive systems.
About The Position 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.

we are looking for a Senior Software Engineer - Platform Team.
As a Senior Software Engineer you will help deliver a smooth and consistent developer experience to our product/AI teams.
This enables them to iterate quickly and deliver products faster to the market. The team aims to streamline development processes, reduce friction and provide developers with the right tools and infrastructure to build high-quality software efficiently which effectively aligns technical execution with our business objectives.
Our techstack includes AWS, Python, RDS, EKS, ECS, RMQ and Redis.
You will:
Have a direct impact on devs' daily smile :) , by focusing on their Devex and velocity through implementing and providing easy and intuitive self serve tools
Lead the design and implementation of infrastructure of complex, time-critical microservices systems, collaborating with AI, data, and product teams to ensure high-quality code using latest technologies while maintaining high developer velocity.
Drive improvements to backend infrastructure, focusing on scalability, reliability, and performance to enhance the daily experience and productivity of developers, including implementing intuitive self-serve tools.
Contribute to defining and realizing the technology vision of the company, evaluating and integrating new technologies to enhance platform capabilities including Gen AI, and troubleshooting complex issues to ensure platform performance and availability. Proactively establish and maintain CI/CD practices and processes including hybrid envs.
Enhance system scalability, performance, and reliability.

Were looking for a Senior Backend Engineer to join our core team and push forward the technology that powers our fraud prevention engine. In this role, youll work closely with Data Analysts and Data Scientists to evolve the logic, infrastructure, and performance of our decision-making systems.
Youll design and build high-performance backend services, improve latency and reliability at scale, and contribute to the architecture of a distributed microservices ecosystem running in Kubernetes. This is an opportunity to make a direct impact on our product, performance, and customers in a fast-moving startup environment where ownership, initiative, and curiosity truly matter.

Required Senior Software Engineer KSPM Team
About the role
As a Senior Software Engineer on the KSPM (Kubernetes Security Posture Management) team, youll be part of a mission-critical group responsible for building and scaling one of the companys fastest-growing products. Our team helps customers secure their Kubernetes environments across major cloud providers by offering deep visibility into misconfigurations, compliance risks, and security best practices.
Youll contribute to a high-impact codebase that scans, analyzes, and interprets complex Kubernetes configurations and behaviors at scale. This is a unique opportunity to shape the future of our KSPM product owning core backend components, driving architectural improvements, and delivering features that address real-world customer needs.
Were looking for engineers who are passionate about infrastructure, cloud security, and solving challenging problems at scale, and who want to make a meaningful impact on the security of modern, cloud-native systems.
Our Stack: Python, Go, K8s APIs, SingleStore, Postgres, Redis, Kafka, AWS, GCP, Azure, ElasticSearch
On a typical day youll
Design, implement, and maintain scalable backend services for onboarding, scanning, and analyzing Kubernetes environments
Collaborate with security researchers and product managers to translate complex requirements into impactful product features
Write clean, efficient, and testable code, ensuring high performance and reliability
Participate in design and code reviews to uphold technical excellence and team standards
Lead features end-to-end from design and planning to deployment and monitoring
Improve system observability, performance, and resilience in production environments
Work closely with cross-functional teams to continuously enhance product capabilities and customer value
Stay current with developments in the Kubernetes ecosystem and cloud security landscape.

We are looking for a highly talented technical individual to join the Cortex XDR infrastructure team.
The team is responsible for developing automation infrastructure and various cloud based tools and platforms that are used across the research, development and QA departments to ensure the functionality, stability and quality of the XDR product, alongside the efficiency of the infrastructure and process used to build, test and deploy on various clouds and distributions. We believe that the platforms & infrastructure that the team provides are a critical & crucial part of our department's progress to the modern future and one of our key growth factors.
As a Platform engineer you will play a pivotal role in enhancing our development and automation experience by pushing forward modern automation approaches, eliminating manual efforts and introducing new development operations for continuous integration, scale & durability using advanced cloud services. Your expertise will be used in areas such as infrastructure development, cloud based automation, serverless infrastructure, automation as a service, providing technical guidance, and pushing infrastructure\configuration as a code and GitOps approach across the development departments.
To succeed in this role, you should have a strong foundation in modern cloud based automation methodologies and a comprehensive understanding of industry best practices, especially in redundancy and scalability of large systems and the ability to control them via SCM based declarative configs. You should be familiar with modern public clouds approaches and serverless based architectures, including virtualization containers and container based orchestration including multiple Kubernetes based deployments. You should be comfortable engaging in complex technical discussions and advocating for optimal solutions in a fast-paced growing environment as part of our quest for continuous improvement.
Your Impact
Utilize modern technologies including serverless cloud services, Kubernetes, Terraform, among others, and use them all in an infrastructure/configuration as a code GItOps approach to manage everything via source code and continuous integration processes
Design and implement (hands on) the next generation of platforms, automation frameworks, SDKs, and tools to be used across our entire R&D group, and be part of our infrastructure transition to the cloud
Develop and maintain a cloud based test execution system, that supports parallel executions on multiple operating systems and multiple cloud providers and at a very large scale, and by so helping reduce the amount of effort required to perform automatic testing and manual testing, and reduce time to market
Provide tools, systems and simulators for scaling up all lifecycle phases of our products and services including cross company and third party integrations and frameworks to be used in high scale
Introduce progress and help revolutionize our operations and lay the foundation for innovation and growth.

A leading large-scale ad network at the forefront of advertising technology. We are looking for a highly skilled and experienced Senior Software Engineer to join our backend team.
In this role, you will leverage your expertise in distributed systems, data engineering, and software development to design, build, and deploy high-performance solutions. You will take a leading role in developing and maintaining a cutting-edge online machine learning system powered by PyTorch/Tensorflow models and Triton inference server.
This is an opportunity to work on complex, large-scale systems that serve billions of requests, shaping the future of ad tech and ML-driven optimization.
What you'll be doing
Architect and Build: Design, develop, and deploy robust, scalable, and high-performance distributed systems that form the backbone of ironSource's next-generation ML ad network.
Real-Time Ad Serving: Engineer and optimize critical systems for real-time ad serving, enabling machine learning models to make intelligent, low-latency decisions for optimal ad selection.
ML Infrastructure Innovation: Drive the evolution of our ML capabilities by researching, evaluating, and implementing cutting-edge techniques for feature stores, data aggregation, and model serving infrastructure.
Data Pipeline Engineering: Collaborate closely with data scientists and product managers to design, build, and maintain efficient and reliable data lakes and data pipelines, ensuring high-quality data for ML training and analytics.
Operational Excellence: Take ownership of key system components, ensuring their reliability, performance, and scalability in a production environment through proactive monitoring and continuous improvement.

In a world where remote work is the new norm, organizations perimeters are much more loosely defined and cloud-native apps replace data centers rapidly, a new approach is needed to provide connectivity, compliance and security for all.
As a Senior Backend Engineer - you will build and design distributed backend services that are the backbone of our platform. You will need to think wide about all system components and will need to consider the trade-offs with every design decision you make.
You will work with the latest technologies and development methodologies to achieve the best outcomes. This is a unique opportunity to join very early and take charge of new product architecture and build it from scratch.
Your Impact
Responsible for complete software development life cycle including requirement analysis, design, development, deployment and support
Design, implement and test critical components in the product, take into account complex considerations of multiple platforms, performance, supportability, maintainability and much more
Write clean, testable, readable, scalable and maintainable code that scales and performs well for thousands of customers
Develop solid understanding and be able to explain advanced Cloud Computing and Security concepts to others
Research new technologies and their implications on connectivity and security. Then adapt them for use in the companys products
Write design documents, SW development guidelines, and best practices.

Required Backend Engineer
Description
About the team:
The team ensures that all our customers operate on a modern, scalable, and reliable platform. We build both backend and frontend capabilities that bring established product functionality into our modern experience, while also developing new, high-impact features based on customer needs. Our work improves stability, reduces friction, and elevates the overall experience for both existing and new customers. By owning critical systems, integrations, and UI components, we drive our continuous product evolution and support AI-enhanced service delivery at global scale.
Key Responsibilities
Develop and maintain backend services using Java, Spring, and modern frameworks.
Design, build, and optimize RESTful APIs for seamless integration with frontend applications and external services.
Develop and integrate AI agents and backend services leveraging Large Language Models (LLMs) where relevant.
Work with SQL databases (MySQL) and implement efficient data access and optimization patterns.
Collaborate closely with Product, Frontend, and DevOps teams to deliver secure, robust, and scalable solutions.
Deploy, monitor, and maintain Java services in cloud environments such as AWS, including usage of Docker/Kubernetes where applicable.
Ensure high code quality through automated testing, peer reviews, and adherence to secure coding best practices.
Participate in system architecture design and contribute to ongoing process and technology improvements.

We are building the engine that powers the security validation of the worlds leading cybersecurity products. Our team is developing a complex, high-scale infrastructure that automates attack scenarios and delivers "Environment as a Service" to users across the entire company.
We are looking for a Senior Backend Engineer who is not just a coder, but a system thinker with a wide field of vision. You will be dealing with a system that touches multiple cloud, on-prem providers and services, requiring you to understand how complex distributed components interact.
You will join a group where scalability, and performance are paramount. This is a unique opportunity to build a platform used by everyonefrom Sales Engineers demonstrating our capabilities to Core Developers ensuring our products can stop the latest threats.
Your Impact
Architect and Build: You will design and develop high-performance backend microservices using Python (FastAPI) that orchestrate complex attack simulations and infrastructure setup.
Scale and Orchestrate: You will manage the complexity of parallel services and containerized components (Docker/Kubernetes/Amazon ECS/etc.), ensuring our infrastructure can handle high concurrency and massive scale.
Drive Efficiency: You will build tools that reduce testing cycles from days to hours, directly impacting the developer experience and the speed at which we release products.
Empower the Business: You will create a platform that is robust enough for developers but accessible enough for non-technical teams, directly aiding in the demonstration, marketing and sale of our products.
Data Integration: You will implement efficient data handling and storage strategies using BigQuery, MongoDB, and Redis to ensure real-time availability and historical analysis.

ShiftLeft is building the cloud security platform for developers (CAS). Our platform empowers teams to find, fix, and prevent security risks in application code and infrastructure as code through automation and security-as-code principles. We're looking for a skilled Senior Backend Engineer to join our team and contribute to our Cortex Cloud platform.
As a Senior Backend Engineer, you'll have a high-impact role in shaping the future of our code security products. Beyond building robust and scalable backend features, you'll help drive performance, reliability, and innovation across our systems. Our team leads the way in owning both the departments core infrastructure and Developer Experience (DevEx), empowering the entire engineering organization with powerful internal platforms and tooling. If you're excited by technical challenges, meaningful ownership, and making life easier for developers this is the place for you.
Your Impact
Feature Development: Design, build, and maintain robust backend services using TypeScript/Node.js. Take full ownership of complex, cross-system features from initial requirements through architecture, implementation, and deployment.
Build and Optimize Scalable Systems: Ensure performance, reliability, and cost-efficiency across distributed systems through thoughtful design, deep observability, and continuous optimization.
Platform Engineering & DevEx: Drive platform engineering initiatives by developing the department infrastructure and shared tooling that boost scalability, reliability, and the developer experience across the department.
Own Core Infrastructure: Design, operate, and evolve the departments infrastructure stack including BigQuery, MongoDB, Redis, and Argo Workflows using cloud-native technologies like Terraform, Kubernetes, and Helm.