לוח משרות דרושים Senior Backend Developer בתל אביב יפו

We are looking for an experienced, hands on Senior software engineer to join our fast growing company and in a breakthrough stage where we build our dream team with the most passionate and professional people in the industry.
our team thinks differently and quickly, delivering high quality and unique code while using the latest technologies and frameworks. All of that without forgetting to enjoy the ride!
What Will You Do?
Take part of all development aspects from design to production of a wide hybrid/ cloud native product
Write high quality, testable and efficient code
Initiate and promote new ideas for continuous improvement of the product functionality
Work closely with other team members as well as mentoring new team members.

Serve as the first backend/full-stack engineer for Harmony Browse, architecting microservices that power policy, telemetry and the admin portal, while crafting React/Next.js UIs for security analysts.
Key Responsibilities
Design and implement cloud-native Node.js services, data models and REST/GraphQL APIs.
Build event-driven pipelines that ingest browser telemetry and GenAI risk scores in near real-time.
Create an initial React admin console with scalable patterns (virtual scroll, feature flags).
Set up infrastructure-as-code, observability and CI/CD from scratch.
Author technical docs and runbooks; later mentor additional hires and review their code.

We are seeking an experienced Senior Backend Engineer to join our Data Services team.
The Data Services team manages, provides and processes the large volumes of data, used by our Scientists and customers.
In this role, you will be responsible for building new cloud and on-prem data systems and infrastructure, as well as maintaining, improving, and enhancing serving systems, in order to provide highly usable, robust, and efficient data services.
Responsibilities
Design, develop, and implement robust backend on-prem and cloud services
Build and maintain scalable, efficient, and robust data systems and infrastructure
Participate in the selection and utilization of new technologies, databases, and third-party services
Contribute to the continuous improvement of our development processes and practices

We are seeking a talented backend engineer to join our growing team, owning our innovative product, Code Defender. Code Defenders mission is to detect and protect against client-side threats and enable our customers to be compliant with the latest security and privacy standards.
As a member of the team, you will play a crucial role in ensuring the product's success, by designing and developing advanced features, handling large-scale data, aggregations, while utilizing cutting edge technologies.
Collaboration with cross-functional teams including Platform, Product, Engineering, and Research will be integral as you lead feature development from inception through to deployment, applying backend methodologies and best practices.
What you'll do:
Develop cloud-based high-scale systems: Leverage the latest in cloud technology to build systems that can handle the demands of significantly large datasets with efficiency and reliability.
E2E Ownership: Take full responsibility for projects from the initial design and architecture stages through to implementation and rollout,
Innovate and Optimize Operations: Continuously seek out and implement innovations and optimizations to improve the performance and scalability of our systems.
Tackle challenging problems and find creative ways to solve them.
Participate in cross organization engineering innovation forums and technical guilds.
Collaborate on cross-functional teams: Work closely with other technical and research teams to integrate various products seamlessly, ensuring cohesive technology solutions across the board.
Ensure System Security and Compliance: Prioritize the security of our systems and ensure compliance with all relevant data protection regulations.
Performance Monitoring and Troubleshooting: Regularly monitor system performance, identify and resolve any issues to maintain optimal operation.
Work on cutting-edge technologies in coding, data persistence, CI/CD pipelines, and data pipelines. This includes expertise in any of the common backend development languages, SQL and NoSQL databases like MongoDB and Redis, messaging systems such as Kafka, search technologies like Elastic, and cloud services.

We are seeking an Experienced Senior Backend Engineer to join our high-performing SaaS Security team.
Born from a successful cybersecurity startup acquisition, we operate as a dynamic team within a larger organization, driven by innovation and a passion for building cutting-edge security solutions.
We leverage a modern technology stack, including Go, GCP, Kubernetes, Postgres, Kafka, Temporal, and Prometheus, to deliver robust and scalable solutions that help organizations secure their SaaS ecosystems.
In this role, you will play a leadership position, driving the technical direction of our platform while mentoring developers, leading critical tasks, and fostering a collaborative and high-performing engineering culture.
If youre an experienced engineer who thrives in a leadership role and enjoys mentoring, problem-solving, and building highly scalable security solutions, wed love to hear from you!
Key Responsibilities
Lead the development of a new SaaS security platform to detect malicious activities.
Design and implement scalable, high-performance backend services.
Mentor and guide team members, fostering growth and technical excellence.
Integrate with major SaaS providers (Google Workspace, GitHub, Microsoft, Slack, etc.) via APIs, scraping, and other techniques.
Build and optimize a large-scale backend system that extracts, monitors, and alerts on security issues.
Drive architectural decisions and contribute to best practices in scalability, reliability, and observability.

we are looking for a promising and brilliant Senior Cloud Back End Developer for Avanan!
Avanan was acquired by our company and it is now our companys Email Security and collaboration solution.
This is a unique opportunity to work on a large-scale, AI-powered, cloud-native system (one of the 10 largest in Israel!) using cutting-edge technology in an agile environment.
Key Responsibilities
As a Senior Cloud Back-End Developer, you will be responsible for developing and maintaining exciting security products utilizing advanced models for Avanans customers. Our production environment is a fast-paced, agile development cloud environment - handling tens of millions of transactions daily
You will develop software serving large scale production real-time environment. handling large quantities of data, using multi-threaded methods and design patterns. The domain you will tackle will involve cutting edge cybersecurity cloud solutions, like phishing, impersonation, anomaly detection, and more. The product involves significant use of modern AI technologies. All implemented with the latest AWS tools and managed services such as Aurora RDS, Athena, Kinesis, Kafka, SQS, Elastic Search, ElasticCache, and many more. You will design and develop high impact real-time components for online analysis, and take ownership of the end-to-end solution.
Develop production-grade, large-scale cloud -based security products.
Design and develop data-driven applications in an agile development environment.
Design and develop AI back-end solutions and APIs.
Interact with data scientists, R&D, QA and Test Automation.

We are seeking a highly skilled and motivated Senior Backend Developer to join our team. This is a key
role in our next generation of distributed and highly-scaled product for network orchestration. We are
building a new team for a newly initiated large product and this position gives the opportunity to shape
the architecture and influence the technical choices.
Key Responsibilities
Join a skilled and experienced team focused on high-quality code and product development
Design, develop, and maintain the next-gen network orchestration product
Play a key role in shaping the products architecture and roadmap
Primarily use Python to develop scalable, containerized networking applications
Contribute to system architecture decisions and design scalable backend solutions
Work with network infrastructure components such as routers and switches
Collaborate with cross-functional teams, including QA, DevOps, and Product, to ensure highquality deliverables
Write clean, maintainable, and well-documented code that adheres to best practices and industry
standards
Participate in code reviews, mentor junior developers, and drive continuous improvement within
the team.

We are looking for a Senior Backend Engineer with deep expertise in Java and Spring Boot to join our core team and help drive the development of a world-class SaaS platform.
As a Senior Backend Engineer You Will:
Design and build scalable, high-performance solutions for multi-region, multi-data center environments.
Optimize backend infrastructure for reliability, performance, and scalability.
Lead end-to-end projects, from architecture and development to deployment and monitoring.
Collaborate closely with experienced engineers in a team that values clean code, technical excellence, and results.
Stay current with backend technologies and infrastructure best practices, proactively introducing improvements.
Be a key part of a high-performing team delivering a solid, innovative SaaS product.

Required Senior Backend Engineer - Enterprise Solutions
Want to tackle complex technical challenges and craft innovative solutions? As a Senior Backend Engineer, you will play a pivotal role in revolutionizing how companies understand their customer interactions. You will develop scalable systems, work with cutting-edge technologies, and collaborate with teams across the organization to solve high-impact problems.
As a Senior Backend Engineer, you will:
Design and implement scalable, high-performance backend services and APIs using Java, Spring Boot, and cloud technologies.
Develop and maintain complex systems that run at scale in production environments.
Explore and integrate new technologies, APIs, and methodologies, including AI and ML capabilities.
Collaborate with internal teams (Product, GTM, and R&D groups) and external stakeholders to develop tailored solutions.
Be a part of a unique special forces team responsible for providing solutions to high profile customers with requirements that our product does not currently meet.
Rapidly switch between different areas of responsibility and technical stacks, contributing to multiple products and teams.

Required 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.
You will be responsible for:
System Design and Development: Lead the design and implementation of backend services and APIs using Java technologies, ensuring scalability, reliability, and performance.
Problem-Solving: Analyze and solve complex technical challenges across the stack, from architecture to implementation.
Collaboration: Work closely with Product Managers, UX designers, and Frontend Engineers to deliver features that meet user needs and business goals.
Ownership: Take ownership of features throughout their lifecycle, from initial concept to deployment and maintenance.

Required Experienced Backend Engineer (Java)
As an Experienced Backend Engineer specializing in Java, you'll tackle complex technical challenges from architecture to code crafting inventive solutions that drive scalable, production-grade systems, embracing cutting edge technologies, and shaping our SaaS product from inception to execution. If you thrive on ownership, collaboration, and pushing technical boundaries in a dynamic startup environment, this role offers an opportunity to make a significant impact.
As an Experienced Backend Engineer You will:
Tackle complex technical challenges at various levels - architecture, code, and productby developing solutions that balance innovation and practicality while considering both short-term and long-term needs.
Develop complex systems and services that run in production at scale
Explore & learn new fields, APIs and cutting-edge technologies including AI and ML.
Be the owner of the features you develop, while collaborating with product and UX teams from thinking and wireframes processes to production.
Be a part of a successful startup technology team that translates our vision into a solid SaaS product that performs, scales, and is easy to use.

Required Senior Backend Engineer - Collective
Want to play a pivotal role in shaping the future of our ecosystem?
As a Senior Backend Engineer, you will design and build the infrastructure and interfaces that enable us to serve as the central hub for revenue teams. Your work will facilitate seamless integrations with third-party products, expanding our capabilities beyond our internally developed solutions.
This is a unique opportunity to work on impactful projects, leading large-scale integrations with strategic partners. If you excel at building scalable, secure APIs and enjoy collaborating across teams, wed love to hear from you!
As a Senior Backend Engineer, you will:
Design and implement scalable, high-performance backend services and APIs using Java, Spring Boot, and cloud technologies.
Develop and maintain integration infrastructure, enabling third-party applications to seamlessly connect with us and extend its functionality.
Build generic, modular API interfaces that support a wide range of future use cases, ensuring flexibility and reusability.
Enhance system security, ensuring that our external-facing capabilities are both powerful and secure.
Collaborate with internal teams (Product, GTM, and other R&D groups) and external partners to develop solutions that align with business and customer needs.
Take full ownership of features from design to production, ensuring reliability, maintainability, and performance.
Contribute to the strategic vision for our integration ecosystem, thinking beyond short-term tactical solutions.

Wish to work in an innovative, dynamic, start-up environment within a stable global company? Want to develop cutting-edge API security solutions using advanced cloud technologies and tackle a variety of challenges? our companys new API Security team is growing and looking for a talented Cloud Software Developer! You can be part of designing and creating our next-generation API security solution, a core component of our CloudGuard WAF product. This is an excellent opportunity to join a new team and work with the latest in cloud and security technologies.
Why Join Us?
Be part of a new team in a global, stable company, working in a fast-paced, start-up-like environment.
Shape the future of API securityyour work will have an impact not just on our product but on the industry itself.
Tackle diverse, cutting-edge challenges in API discovery, anomaly detection, sensitive data handling, and more.
Collaborate with passionate colleagues, expand your skills, and grow your career in one of the most exciting domains in cybersecurity.
Key Responsibilities
Develop End-to-End Features: Design and implement secure, high-quality software components for our API security solution in an agile environment.
Cloud Integration: Architect and deploy scalable cloud solutions on AWS, leveraging Kubernetes for container orchestration, designing robust microservices, and integrating big data pipelines for processing security data.
Collaboration: Work closely with cross-functional teams (R&D, Product, QA) to deliver innovative, high-impact solutions.
Data-Driven Solutions: Incorporate data analysis and big data methodologies to identify and mitigate security threats.
Stay Current: Keep up with emerging API security trends and continuously integrate new insights into our product.

We are looking for a hands-on senior developer / tech lead to join an innovative and talented R&D team. To join us you will need to deliver high-quality code using the latest cloud frameworks and technologies.
As a Senior Back-End Engineer at our company you will.
Become a vital member of a dynamic team focused on developing innovative Generative AI applications with organization-wide impact
Be responsible for all development aspects, from design to production, of a cloud-native product
Initiate and promote new ideas for continuous improvement of product functionality and team processes
Work closely with team members and product colleagues, providing technical guidance and mentorship
Participate in the architecture and development of the company's DevOps core products, leading technical design sessions
Design, develop, and maintain back-end services with a focus on Python-based solutions
Write high-quality, clean, efficient, and maintainable code in Python while adhering to best practices and coding standards
Stay up-to-date with industry trends and emerging technologies related to DevOps and the software development lifecycle
Contribute to architectural discussions and design sessions to promote scalability and maintainability
Mentor junior developers and provide technical direction to the team.

Were hiring a Machine Learning Engineer to accelerate AI-driven innovation across our B2B SaaS product and the broader organization.
This is a hands-on, end-to-end development role where you'll lead the implementation of ML/LLM-based solutions that boost operational efficiency and deliver exceptional product experiences. As an AI-First company, we embed AI across every department and workflowyou'll be at the heart of this transformation.
You will collaborate closely with product managers, engineers, and stakeholders to identify impactful AI opportunities, build state-of-the-art systems, and scale them across the organization.
What You Will Do:
AI-First Development: Design and implement POCs and production-ready ML/LLM solutions that address real-world business problems.
End-to-End Execution: Own projects from research through deployment, including model training, evaluation, integration, and monitoring.
Tool Evaluation: Stay current with state-of-the-art ML/LLM tools and frameworks (e.g., LangChain, Hugging Face Transformers, TensorFlow, PyTorch) and recommend their application.
Collaboration: Partner with engineering, product, and operations teams to embed AI into user-facing features and internal workflows.
System Integration: Build scalable microservices and APIs to deliver AI capabilities across the product.
Operationalization: Contribute to DevOps practices for CI/CD, observability, and ongoing optimization of AI models.
Strategic Reporting: Communicate progress and insights directly to senior management.