דרושים » תוכנה » Staff Backend Engineer

We are looking for a Senior Backend Engineer to join our Analytics team based in Israel. This role reports to the Manager, Software Engineering. we curates and contextualizes data from hundreds of security and business tools to help companies understand and address their riskiest problems.
You will leverage our robust data platform and security modules to provide immediate benefits to customers while making the world a more secure place.
What youll do (Role Expectations):
Design, develop, and maintain scalable backend services within a cutting-edge microservices architecture using Scala and Java/Spring Boot
Optimize performance, cost, and reliability of services in production while ensuring efficient data management across stores like Snowflake, Trino, and Apache Iceberg
Drive innovation in semantic layers, query optimizations, and analytics capabilities to refine and expand our technology stack
Operate seamlessly across product, UX, and frontend teams to deliver high-scale features from inception to production
Mentor junior engineers and elevate the teams technical capabilities through high-accountability partnership

we are looking for a Engineering Team Lead .
As an Application Infrastructure Team Lead, youll spearhead the development of the core frameworks and services that power our entire ecosystem. In this role, youll sit at the vital intersection of application development and systems engineering, ensuring our platform remains resilient, high-performing, and developer-friendly as we scale.
If you are a technical heavyweight who loves Java but thrives on leading teams through complex data and infrastructure puzzles, this is your opportunity to build the foundation for our next phase of growth.
Youll Own:
Team leadership & mentorship: Guiding a high-performing engineering team and fostering a culture of ownership and excellence.
Core application infrastructure: Designing and maintaining mission-critical frameworks using Java and Spring Boot.
Technical standards: Defining and enforcing the benchmarks for code quality, system performance, and security across the entire stack.
Streaming & messaging pipelines: Owning the reliability and scalability of asynchronous communication using Kafka or SQS.
Youll Solve:
Data layer optimization: Leading specialists to tackle challenges in high availability and performance across PostgreSQL, MongoDB, OpenSearch, and Redis.
Distributed systems complexity: Designing robust pipelines for asynchronous communication and data streaming at scale.
Architecture gaps: Bridging the gap between DevOps and Product teams to align infrastructure capabilities with evolving business needs.

We are looking for an experienced Director of Engineering to lead a large, highly technical engineering organization (50+ engineers) responsible for end-to-end development of our companys platform.
This role combines people leadership, technical vision, and product partnership. You will own the full lifecycle of multiple enterprise-grade services.
You will be a key partner to Product Management, driving technology strategy, shaping product vision, and building scalable, resilient, and best-in-class security architecture at cloud scale.
Responsibilities: 
Lead and scale a 50+ engineer organization, including group managers and senior technical leaders, responsible for planning, building, and operating our companys platform
Recruit, mentor, and develop engineering managers and senior engineers, building a high-performance, inclusive, and growth-oriented culture
Own the technical vision and architecture of end-to-end security services, including:
High-throughput, low-latency runtime traffic processing
Cloud-native microservices and APIs
Web-based configuration, policy management, analytics dashboards, and alerting systems
Drive enterprise-grade architecture for large-scale, multi-tenant SaaS systems with strict requirements for availability, performance, and security
Act as a thought leader for new technologies, security capabilities, and architectural evolution within the organization
Partner closely with Product Management to define roadmaps, influence product strategy, and translate business needs into technical execution
Collaborate across engineering, operations, automation, and support teams to deliver integrated, reliable solutions at scale
Establish and own a strong quality culture, including engineering best practices, testing strategy, production readiness, and continuous improvement to ensure enterprise-grade reliability, security, and customer trust
Own delivery and operational excellence: quality, scalability, observability, and continuous improvement in production
Participate in the broader engineering leadership team, contributing to cross-company initiatives and long-term strategy Foster a culture of ownership, transparency, technical excellence, and continuous learning.

we are looking for a Senior Backend Engineer.
As a Senior Backend Engineer, you'll dive into complex technical challenges, craft innovative solutions, and play a pivotal role in our mission to revolutionize the way companies understand their customer interactions. We're seeking a Java professional who can leverage their deep knowledge to drive our backend development to new heights.
Youll Own:
System Architecture: Leading the design and implementation of complex, scalable, and high-performance backend services and APIs.
Feature Lifecycle: Taking end-to-end ownership of major product initiatives, from initial design to coordinating delivery across Backend, Frontend, and Product teams.
Engineering Standards: Establishing and driving team-level best practices for code quality, testing strategies, and CI/CD processes.
Youll Solve:
Technical Complexity: Analyzing and debugging intricate challenges across the stack to ensure long-term system reliability.
Cross-Functional Friction: Managing risks and coordinating dependencies between multiple teams to ensure seamless feature delivery.
Scalability Bottlenecks: Implementing preventive measures and high-performance solutions to keep services running smoothly under load.

As a Senior/ Principal/ Senior Principal Software Engineer at Cortex Cloud, you will serve as a primary technical architect and visionary for our core communication infrastructure. This role is focused on the critical server-side backbone that facilitates high-scale bidirectional communication between our cloud services and client-side applications.
You will be responsible for the architectural integrity of systems that receive massive data inflows from the field and reliably broadcast intelligence back to millions of endpoints. This is a high-impact leadership role requiring a blend of deep technical mastery in distributed systems and the ability to influence technical strategy across the organization.
Key Responsibilities
Architectural Strategy & Vision: Define and drive the multi-year technical roadmap for our server-side communication infrastructure, ensuring the platform remains resilient and performant under extreme load.
High-Scale Communication Infrastructure: Lead the design and implementation of backend systems optimized for receiving high-scale data from client-side apps and distributing data back to a vast ecosystem of endpoints.
Technical Leadership & Influence: Act as a force multiplier by providing technical guidance to multiple engineering teams, aligning them on shared protocols, architectural standards, and communication patterns.
Drive Engineering Excellence: Champion a culture of high engineering rigor, focusing on deep observability, low-latency data distribution, and runtime stability for mission-critical production environments.
Cross-Functional Collaboration: Partner with Product Management, Infrastructure, and Client-Side Engineering teams to evaluate technical trade-offs, mitigate risks, and ensure seamless end-to-end data flow.
Innovation & Prototyping: Spearhead the evaluation of emerging technologies and lead "proof of concept" initiatives for next-generation transport layers and messaging paradigms.
Technical Mentorship: Invest in the growth of Senior and Staff engineers through deep-dive design reviews, code audits, and hands-on pair programming on the most critical paths.
Strategic Customer Engagement: Support the business by leading technical deep dives with strategic customers, translating complex architectural concepts into actionable confidence for our partners.

We are seeking a Senior Backend Engineer - Data Platform to join our expanding team and play a crucial role in designing, building, and maintaining robust and scalable data pipelines and infrastructure. In this role, you will directly enable data-driven decision-making and support the development and deployment of AI/ML products that power Health.

Youll collaborate closely with engineering, product, and data science teams to ensure our data systems are high-quality, resilient, and scalable as we grow. As a Senior Backend Engineer on our Data Platform team, you will drive efforts to deliver reliable, efficient, and consistent data services across the organization. You will also help enable the rapid development and deployment of advanced features, insights, and AI-driven capabilities that improve outcomes for clinicians and clients.

Who are you?
You are a seasoned backend or data engineer with experience working on production-grade ML/AI-powered products. You thrive in fast-paced, high-ownership environments and are passionate about building scalable and reliable systems. You understand the unique requirements of delivering AI/ML features in production, and you are comfortable working with modern technologies in the LLM/RAG ecosystem.
You pride yourself on delivering high-quality solutions quickly, without sacrificing design or reliability. Youre known for your responsiveness, collaborative spirit, and service-oriented mindset-especially when youre on-call and the stakes are high.How will you contribute?
Design, implement, and maintain scalable and reliable data pipelines and backend systems supporting both operational and analytical needs, with a focus on ML/AI product enablement.
Ensure data processing is optimized for speed, efficiency, and fault tolerance, enabling seamless integration with AI/ML workflows and reliable performance across all our Health products.
Monitor and improve uptime, reliability, and observability of our data infrastructure and pipelines.
Build and maintain systems to ensure data quality, consistency, and usability across the organization, enabling advanced analytics and AI solutions.
Work closely with product and engineering teams to deliver new features rapidly and with a high standard of technical excellence.
Drive innovation in how we build, measure, and optimize data features, backend services, and AI product integrations.
Participate in on-call rotations with a service-oriented approach and fast responsiveness.
Lead scalability efforts to support increasing data volumes, expanding AI/ML initiatives, and new product launches.

We are looking for a Senior Backend Engineer to join our R&D team in developing the new rising product in the health landscape.

As a Senior Backend Engineer, you will have an impact on how we architect, build, scale, and maintain our backend systems. You will provide technical guidance and mentorship to other engineers on the team, help establish and maintain best practices for development, and participate in the development of the companys technological roadmap. Youll solve complex engineering challenges and drive engineering excellence in a dynamic environment and rapidly increasing scale.

Our ideal candidate has a real passion for making a positive change in the world, for technology and customers, has great communication skills, and loves to constantly improve themselves, our working practices, and our code base.

This is a great opportunity to join the core team of a growing, successful startup and work with the most advanced technologies.

Responsibilities
Lead/Participate in system design and architecture discussions.
Implement and own infrastructure and features; be involved and impact the entire product lifecycle (concept, design, test, release, and production support).
Teach, mentor, grow, and provide advice to other domain experts and individual contributors.
Acquire an in-depth understanding of our technical challenges and strive to improve them.
Play a central role in technical, business, and organizational contributions.
Be a vocal advocate for technical excellence and help the team members make sound decisions.
Work with product managers, data scientists, and other team members to understand the desired requirements and provide your feedback to improve the outcome of the feature.

Realize your potential by joining the leading performance-driven advertising company!
As a Staff MLOps Engineer on the Infra group, youll play a vital role in develop, enhance and maintain highly scalable Machine-Learning infrastructures and tools.
How youll make an impact:
As a Staff MLOps Engineer Engineer, youll bring value by:
Develop, enhance and maintain highly scalable Machine-Learning infrastructures and tools, including CI/CD, monitoring and alerting and more
Have end to end ownership: Design, develop, deploy, measure and maintain our machine learning platform, ensuring high availability, high scalability and efficient resource utilization
Identify and evaluate new technologies to improve performance, maintainability, and reliability of our machine learning systems
Work in tandem with the engineering-focused and algorithm-focused teams in order to improve our platform and optimize performance
Optimize machine learning systems to scale and utilize modern compute environments (e.g. distributed clusters, CPU and GPU) and continuously seek potential optimization opportunities.
Build and maintain tools for automation, deployment, monitoring, and operations.
Troubleshoot issues in our development, production and test environments
Influence directly on the way billions of people discover the internet.

Required xEngineer
the company makes it possible for anyone to succeed online. since 2006, weve grown to 5,000 employees in 17 countries, launched over 40 products, and serve over 230 million users and their visitors worldwide. here, we push you to innovate, evolve in non-traditional ways, and grow outside your comfort zone. we operate in small teams that work closely together to create incredible things. although were already industry leaders in web creation and business, our work is nowhere near done. our goal is to become the main engine of the internet so we can create a more open web for all. we believe solving complex problems starts by building strong infrastructure and platforms supported by engineers working with cutting-edge technology. as a dev-centric company, we rely on testing, implementing smart feedback loops, measuring impact, and using fail fast methodologies to keep our high-scale traffic and advanced products in constant progress with a 99.99% uptime.
as a backend xengineer, youll design and own the core systems that impact millions of users, working with an ai-native focus to craft high-performance backend architectures and scalable, reliable platforms. in your day-to-day, you will:
design and own end-to-end backend systems and features that impact millions of users
focus on backend architecture and system design, making thoughtful trade-offs around scalability, reliability, security, and maintainability
take full ownership from data models and apis to production systems and distributed architectures
use ai as an integral part of your daily work-for planning, design, execution and production, while ensuring ai-assisted outputs meet the highest production standards
work with modern technologies (e.g., JAVA, scala, Node.js, cloud, and ci/cd) while continuously evolving your toolkit with ai-powered tools
collaborate closely with product managers, designers, and engineers to shape solutions while ensuring production quality, observability, and long-term system health
here, 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 at the company and special requests are handled thoughtfully at the team level.
we are the company's backend xengineering group - a team of xengineers who specialize in backend development. we provide integrated tools for microservice development to improve Developer productivity and best practices. as xengineer, we use ai-native workflows that allow us to concentrate on what truly requires human judgment: system architecture, security, and scalability. to handle high-scale traffic, our team runs production across distributed data centers worldwide. we take complete ownership of our systems, and maintain the deep expertise required to manage a global engine of the internet.

We are seeking a Senior/Backend Engineer for our Cortex Platform team to build and scale the systems that power the future of cybersecurity. You will help prevent, detect, and respond to threats by working on an integrated endpoint, network, and cloud data platform, ultimately reducing noise and allowing focus on real threats.
Key Responsibilities
Design, build, and maintain a highly scalable, distributed cloud infrastructure capable of processing billions of events per second.
Own the complete software development lifecycle, from requirement analysis and design to development, deployment, and ongoing support.
Write clean, testable, readable, and maintainable code with a focus on performance and scalability.
Proactively collaborate and exchange information with cross-functional teams to accomplish shared objectives and build industry-leading cyber products.
Analyze and solve complex engineering problems at scale, ensuring the reliability and efficiency of our data storage and processing systems.