דרושים » תוכנה » Backend Engineer

We are looking for an experienced Full-Stack Engineer with strong backend expertise to join our growing Sales R&D team in Tel Aviv. This is a backend-leaning role focused on building and maintaining high-performance systems while contributing across full-stack services. As part of our team, youll drive the evolution of our Sales platform, take end-to-end ownership of impactful features, and contribute to an AI-first engineering culture that embraces automation, intelligent tooling, and continuous improvement. You will play a key role in improving product quality, engineering productivity, and system reliability as we support rapid business growth.
Responsibilities:
Design and deliver end-to-end features across backend services and frontend applications, with strong emphasis on backend architecture, data integrity, and system reliability.
Develop and maintain SPA web applications for admin and product platforms using React + TypeScript and Next.js, including contributing to the modernization of legacy Ruby components.
Develop and maintain backend services across Python (FastAPI) and Node.js (NestJS) microservices, ensuring strong performance, robust data management, and ongoing modernization efforts.
Design, implement, and maintain reliable REST APIs with clear contracts, validation, and consistent error handling.
Work with complex relational data models, continuously improving query performance and data reliability.
Lead investigations and root-cause analysis for performance, optimization, and production-related issues, driving long-term improvements.
Collaborate closely with frontend, backend, QA, and product teams in a multi-repo environment, including active code reviews and cross-site collaboration with our Boston engineering team.
Take ownership of code quality and production stability by writing automated tests (e.g., pytest, Jest) and driving issues from investigation through resolution and prevention.

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.

Required Backend Software Engineer
As part of the role you will have the opportunity to:
Research, design, maintain and develop core data infrastructure components
Analyze and optimize system performance, scalability, reliability, and data quality across a rich technology stack (Apache Kafka, Airflow, Storm, SQL/NoSQL databases)
Architect, design, and implement robust, performant distributed data systems (streaming and batch processing).
Collaborate with cross-functional teams to integrate data pipelines with AI/ML workflows and production monitoring systems.
Work in a fast-paced startup environment, managing multiple priorities while maintaining high code quality and operational excellence.

Join our fast growing team, and help put the power of automation in the hands of every security professional.
About the Role:
As a Senior Platform Engineer (Backend), you will play a key role in shaping the core infrastructure and architecture of our platform. You will be deeply involved in hands-on development, contribute to technical design, and help drive engineering excellence. In this role, you will collaborate with other engineers, share best practices, and take part in building scalable, high-quality backend systems.
Your responsibilities:
Design, develop, and test cloud-native microservices and backend components with high standards of scalability, reliability, and security
Own key areas of the platform's infrastructure and contribute to the architecture of enterprise-grade systems
Collaborate with engineering and product teams to translate business needs into robust technical solutions
Work across a modern tech stack including cloud services, Linux, Docker, Kubernetes, and CI/CD pipelines
Drive best practices in code quality, system design, observability (logs, metrics, tracing), and testing
Stay up to date with emerging technologies and help evaluate tools that support platform evolution
Share knowledge through code reviews and technical discussions, fostering a culture of continuous improvement

As a Backend & Infrastructure Engineer, you will design, build, and operate production-grade systems that serve as the backbone of our products.

Your responsibilities will include:

Owning and evolving core backend services with a focus on reliability, performance, and scalability
Designing and maintaining infrastructure components, including cloud resources, deployment pipelines, and monitoring systems
Leading database design, migrations, and operational stability of data-intensive services
Operating and optimizing LLM/ML infrastructure, improving performance, resilience, and cost efficiency
Supporting customer integrations by building and maintaining robust inbound and outbound integration systems
Collaborating closely with Product, DevOps, and other engineers to translate product requirements into long-term technical solutions
Contributing to frontend or cross-stack work when needed to deliver complete, end-to-end features


This role is ideal for engineers who enjoy working close to infrastructure, take pride in operational excellence, and like contributing across system boundaries rather than staying narrowly scoped.

We are looking for an experienced Backend Team Lead to join our Backend Engineering group and lead a strong team of engineers.
In this role, you will combine hands-on technical leadership with people management, while tackling complex engineering challenges on a daily basis. The team is responsible for designing, building, and continuously improving scalable backend systems in a cloud-native environment.
You will work with all major cloud providers (AWS, GCP, Azure) and lead development using cutting-edge technologies such as Kubernetes, Docker, Neo4j, ElasticSearch, Redis, TimescaleDB, RabbitMQ, and more. This is a key leadership role with direct impact on architecture, delivery, and team growth.
Responsibilities:
Responsible for the entire lifecycle of the projects, from initial design and development to deployment, monitoring and maintenance in the production environment
Contributing to technological and architectural decisions
Conducting design and code reviews
Analyzing and improving efficiency, scalability, and stability of various backend system components
Interfacing with other teams (e.g. Frontend, DevOps) to deliver best-in-class features

We are seeking a highly skilled and motivated Backend Engineer to join our Application team . 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.

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 seeking a skilled Backend Engineer to join our team and implement advanced AI solutions in our travel and expense management products. The ideal candidate will have strong backend engineering expertise and enthusiasm for working with cutting-edge AI technologies.
You'll be responsible for designing and implementing backend services that integrate AI capabilities including large language models (LLMs), retrieval-augmented generation (RAG), and conversational interfaces into our consumer-facing products. This is an opportunity to expand your expertise into AI while leveraging your strong engineering foundation.
What Youll Do
Design and develop scalable, high-performance backend services and APIs.
Implement integrations with AI platforms and services.
Work with AI specialists to translate AI capabilities into production-ready features.
Ensure high reliability, performance, and security of AI-powered systems.
Collaborate with product and engineering teams to gather requirements and deliver solutions.

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.