דרושים » פיתוח תוכנה » Backend Developer

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Check Point
Location: Tel Aviv-Yafo
Job Type: Full Time and Hybrid work
As the worlds leading vendor of Cyber Security, facing the most sophisticated threats and attacks, weve assembled a global team of the most driven, creative, and innovative people. At Check Point, our employees are redefining the security landscape by meeting our customers real-time needs and providing our cutting-edge technologies and services to an ever-growing customer base.

Check Point Software Technologies has been honored by Time Magazine as one of the Worlds Best Companies for 2024. We've also earned a spot on the Forbes list of the Worlds Best Places to Work for five consecutive years (2020-2024) and recognized as one of the Worlds Top Female-Friendly Companies. If you're passionate about making the world a safer place and want to be part of an award-winning company culture, we invite you to join us.

Check Point Harmony Email Security and Collaboration (Previously AVANAN) is a unique email solution that fully secures cloud email and cloud platforms using AI.

As a Cloud Back-End Developer, you will be responsible for developing and maintaining exciting security products 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 multi-tenant environment, handling large quantities of data, using microservices architecture and design patterns.

The domain you will tackle will involve cutting edge cybersecurity cloud solutions, like phishing, impersonation, anomaly detection, and more. All are implemented with the latest AWS tools and managed services such as Elastic Container Services, Kinesis, DynamoDB, SQS, Opensearch, ElasticCache, Iceberg, and many more. You will design and develop high impact real-time components and take ownership of the end-to-end solution.

Key Responsibilities:
Develop production-grade, large-scale cloud-based security products.
Design and develop data-driven applications in an agile development environment.
Collaborate cross-functionally with product managers, QA, automation, data engineers, and other engineers to achieve elegant solutions.
Work alongside other engineers on the team to elevate technology and consistently apply best practices.

Job Id: 23525
Requirements:
Degree in computer science/software engineering from a top university.
5 years of programming experience: Python or Golang experience at least 2 years- must.
AWS experience - must.
Experience with high-performance, multi-threaded, multi-processed environments.
Experience developing a high-scale, multi-tenant cloud SaaS mission-critical applications.
Knowledge of different databases relational, Key-Value, document, Data Lakes.
Knowledge of microservices architecture and design patterns and best practices.
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לפני 11 שעות
Check Point
Location: Tel Aviv-Yafo
Job Type: Full Time and Hybrid work
As the worlds leading vendor of Cyber Security, facing the most sophisticated threats and attacks, weve assembled a global team of the most driven, creative, and innovative people.

At Check Point, our employees are redefining the security landscape by meeting our customers real-time needs and providing our cutting-edge technologies and services to an ever-growing customer base.

Check Point Workspace Security (Previously AVANAN) is a unique email solution that fully secures cloud email and cloud platforms using AI.

If you're passionate about making the world a safer place and want to be part of an award-winning company culture, we invite you to join us.

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.
Requirements:
Degree in computer science/software engineering.
5 years of programming experience: Python experience at least 2 years is a must.
Experience working in cloud AWS environments is a must.
Experience with high-performance, multi-threaded, multi-processed environments.
Experience developing a high-scale, multi-tenant cloud SaaS mission-critical applications.
knowledge of relational databases queries and tools
Experience with AI technologies and generative models a plus
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Check Point
Location: Tel Aviv-Yafo
Job Type: Full Time and Hybrid work
Check Point is looking for a promising and brilliant Cloud Back End Developer to join Avanan.

Avanan was acquired by Check Point and it is now Check Points Email Security and collaboration solution.

This is a unique opportunity to work on a large-scale cloud-native system (one of the 10 largest in Israel!) using cutting-edge technology in an agile environment!

As a Cloud Back-End Developer, you will be responsible for developing and maintaining exciting security products 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 multi-tenant environment, handling large quantities of data, using microservices architecture and design patterns.

The domain you will tackle will involve cutting edge cybersecurity cloud solutions, like phishing, impersonation, anomaly detection, and more. All are implemented with the latest AWS tools and managed services such as Elastic Container Services, Kinesis, DynamoDB, SQS, Opensearch, ElasticCache, Iceberg, and many more. You will design and develop high impact real-time components 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.
Collaborate cross-functionally with product managers, QA, automation, data engineers, and other engineers to achieve elegant solutions.
Work alongside other engineers on the team to elevate technology and consistently apply best practices.

Job Id: 23259
Requirements:
Degree in computer science/software engineering.
5 years of programming experience: Python experience at least 2 years- must.
AWS experience - must.
Experience with high-performance, multi-threaded, multi-processed environments.
Experience developing a high-scale, multi-tenant cloud SaaS mission-critical applications.
Knowledge of different databases relational, Key-Value, document, Data Lakes.
Knowledge of microservices architecture and design patterns and best practices.
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לפני 11 שעות
Check Point
Location: Tel Aviv-Yafo
Job Type: Full Time and Hybrid work
We are looking for a talented Senior Backend Developer to join our development team. As part of the team, you will contribute to building and enhancing high-scale, multi-tenant SaaS products that support customers worldwide. You will work in a hybrid environment, collaborating closely with highly skilled engineers in an agile, sprint-based methodology. This role is critical to the continued success of our next-generation security and monitoring platforms, ensuring performance, scalability, and reliability across multiple regions and tenants.

Key Responsibilities
Architect, design, and develop robust, high-quality backend services and APIs for our large-scale SaaS platform.

Own the end-to-end delivery of features in an agile, CI/CD environment, from conception to deployment.

Ensure the scalability, resilience, and high performance of our applications to support a rapidly growing, multi-tenant customer base across multiple regions.

Integrate with and optimize a diverse set of distributed data systems, including PostgreSQL, Redis, RabbitMQ, and Elasticsearch.

Champion and implement observability best practices (metrics, logging, tracing) using tools like Prometheus, Grafana, and OpenTelemetry to ensure system health and proactive monitoring.

Collaborate closely with product managers, frontend developers, and DevOps engineers to translate customer needs into impactful technical solutions.

Continuously explore, evaluate, and adopt new technologies to enhance our architecture and development efficiency.

Mentor and guide other developers, fostering a culture of technical excellence and knowledge sharing.
Requirements:
Must Have:

BA/BSc in Computer Science or a related field, or equivalent practical experience.

5+ years of professional experience in backend software development.

Proven expertise in Python (including experience with the Django framework) and Java for backend systems.

Experience with relational databases (e.g., PostgreSQL, MySQL, SQL Server).

Strong experience with cloud-native technologies, containers (Docker), orchestration (Kubernetes), and CI/CD pipelines.

Solid understanding of multi-tenant, distributed system architecture.

Strong collaboration, communication, and problem-solving skills.

Nice to Have:

Experience with frontend frameworks such as React or Angular.

Experience with NoSQL databases (e.g., MongoDB, Elasticsearch, Couchbase).

Background in large-scale SaaS performance optimization.

Hands-on experience with observability tools and practices (e.g., Prometheus, Grafana, OpenTelemetry).
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ironSource
Location: Tel Aviv-Yafo
Job Type: Full Time
ironSource, part of Unity, is 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.
Requirements:
What we're looking for
5+ years of backend development experience with strong skills and a genuine passion for server-side technologies.
Proven experience building and maintaining large-scale, low-latency, distributed systems.
Solid understanding of service lifecycle management and efficient resource utilization.
Hands-on experience with machine learning integration in production systems.
Proficiency in backend programming languages such as Java and Scala
Familiarity with cloud platforms (AWS, GCP, or Azure) and container orchestration (Docker, Kubernetes).
Strong problem-solving skills, ownership mindset, and ability to thrive in high-impact environments.
You might also have
Experience with ML frameworks such as TensorFlow, PyTorch.
Experience with inference servers such as Triton, TensorFlow Serving.
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Check Point
Location: Tel Aviv-Yafo
Job Type: Full Time and Hybrid work
We are looking for an experienced Backend Software Developer to join our team and contribute to the development of innovative security AI solutions. In this role you will take part in the design and development of backend APIs and components for advanced products, including our cutting-edge IoT security solution and AI-driven policy management system.

In this role, you will work on-premises to develop and maintain backend infrastructure that supports security management applications, showcasing our AI products. You will address complex technical challenges and help set new standards in security management. Collaborating with a cross-functional team, you will play a crucial role in the development of multiple policy AI solutions at Check Point.

If you are passionate about innovation and eager to make an impact, we invite you to join us in this exciting opportunity.

Key Responsibilities
Develop innovative backend security solutions, including automatic policy enforcement, autonomous firewall capabilities, and AI-driven protection flows.
Design, build, and maintain robust backend services and APIs, ensuring scalability, reliability, and performance across various platforms.
Collaborate with developers, QA, product management, and customers to deliver high-quality solutions.
Participate in the architecture and development of new backend components and features.
Job Id: 24019
Requirements:
3-5 years of experience in Backend Development.
Experience working with Java.
Strong understanding of software architecture and object-oriented programming (OOP).
Experience with relational databases.
Experience with PostgreSQL, MySQL, SQL Server.
Strong experience in Linux/Unix environments, including advanced command-line and shell scripting.
B.Sc. in Computer Science with a GPA above 85 MUST.
Experience developing security or cyber security products - Advantage.
Deep understanding of networking, protocols, and security best practices - Advantage.
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WIX
Location: Tel Aviv-Yafo
Job Type: Full Time
As a Backend Engineer for Wix Enterprise, you will be a key player in building the future of our B2B offerings. You'll tackle the complex challenges of creating secure, multi-tenant solutions for our largest clients. You will take full ownership of features from the database to the API, and collaborate with a talented team to deliver high-impact products in a fast-paced, iterative environment. You will:

Innovate and experiment with new technologies to design and develop multi-tenant enterprise solutions
Write modular, hands-on Scala or Java code, balancing rapid prototyping with long-term maintainability
Deliver scalable, high-quality products using an iterative, release-driven methodology
Collaborate closely with Product, QA, UX, and BI stakeholders to align on requirements and achieve team goals
Take full ownership of the development cycle, from database integration to API creation and deployment
Optimize the performance of complex, data-driven applications
Contribute to a culture of innovation and knowledge-sharing within the R&D community
Requirements:
6+ years of experience in backend development
Fluent in both spoken and written Hebrew and English
A strong foundation in data structures, algorithms, and object-oriented software design
A startup mindset combined with production-level discipline to build simple, robust, and maintainable solutions
Excellent teamwork, communication, and problem-solving abilities
A genuine passion for continuous learning and exploring emerging technologies
Experience or a strong interest in AI technologies would be an advantage
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ironSource
Location: Tel Aviv-Yafo
Job Type: Full Time
Join our team working on an advanced ad-serving platform that powers millions of real-time interactions every second. As a Senior Backend Developer, youll play a key role in designing, developing, and maintaining a high-performance system that supports critical functionalities like targeting, attribution, budget management, and data pipelines for machine learning and reporting.Youll be expected to lead impactful projects, drive improvements in performance, scalability, and system reliability, and help shape solutions that directly influence the success of a globally recognized platform. We value bottom-up initiatives and encourage team members to bring their ideas to the table, fostering innovation and collaboration.
Why You'll Love This Role:

Take ownership of major projects and core features with significant business impact.
Work alongside skilled engineers in a fast-paced, high-scale environment.
Tackle challenging technical problems using cutting-edge tools like Kafka and Aerospike.
What you'll be doing
Design, develop, and monitor new features for the platform, including components supporting targeting, attribution, and budget management.
Maintain and optimize the performance of critical backend systems.
Refactor and improve legacy code to ensure scalability and efficiency.
Lead efforts to guarantee system reliability and low latency in a high-concurrency environment.
Collaborate with peers and across teams to deliver high-quality, production-ready solutions.
Requirements:
What we're looking for
Proficiency in backend development with Scala (highly preferred) or Java.
Strong understanding of distributed systems and real-time, high-concurrency applications.
Experience with Kafka and other streaming/messaging systems.
Extensive experience debugging and optimizing high-scale production environments.
Proven ability to design and build backend systems focused on performance and scalability.
You might also have
Hands-on experience with Aerospike or other NoSQL databases.
Familiarity with Kubernetes or container orchestration tools.
Knowledge of functional programming paradigms.
If you're looking for a role where you can contribute meaningfully, tackle exciting challenges, and work with a friendly, professional team that values collaboration and expertise, wed love to hear from you!
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Check Point
Location: Tel Aviv-Yafo
Job Type: Full Time and Hybrid work
Were looking for an experienced Principal or Senior Backend Engineer to join our Harmony SaaS Security team a high-performing group born from a successful cybersecurity startup acquisition. We operate with startup agility and innovation, backed by the global strength of a world-class security leader.

Why Join Us
High-Trust, High-Talent Team: Work with smart, humble engineers who value collaboration and excellence
Startup Energy, Global Impact: Innovate quickly within a global cybersecurity organization
Meaningful Ownership: Shape the architecture and technical direction of a platform redefining how enterprises secure SaaS and GenAI
AI-Accelerated Development: We embrace tools like Cursor, Claude, and ChatGPT - while maintaining strong coding standards
Our tech stack includes Go, Kubernetes, Kafka, GCP, Postgres, Redis, BigQuery, Terraform, Temporal, Prometheus, OpenTelemetry, and more - delivering scalable, reliable systems that protect modern SaaS and GenAI ecosystems.
Key Responsibilities
Lead the technical design and direction of core platform components.
Mentor and guide developers, promoting a culture of excellence and collaboration.
Drive critical architectural initiatives and ensure best practices across the stack.
Build and optimize scalable, secure backend systems supporting enterprise-scale SaaS security.
If you love leading from the front - solving complex problems, mentoring engineers, and building scalable security solutions - wed love to meet you.
Requirements:
8+ years building and operating large-scale backend systems and cloud computing.
Strong Experience with Go (or similar compiled languages).
Proven experience leading projects, mentoring developers, and driving technical initiatives.
Strong systems-thinking mindset: experienced in event-driven architectures, message queues, and workflow orchestration.
A builder at heart: focused on quality, scalability, and continuous improvement.
It would be great if you also have:

Background in cybersecurity or SaaS security.
Experience integrating with major SaaS provider APIs.
Familiarity with analytical extensions (e.g., TimescaleDB, ClickHouse) or AI-driven data pipelines.
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Check Point
Location: Tel Aviv-Yafo
Job Type: Full Time and Hybrid work
We are building AI solutions that will shape the future of Check Point. As part of the Network Security Management Products area, our team is the focal point for AI innovations. We lead the design and development of AI features that power and influence products across the entire area.

We are looking for an AI Developer who is excited to design, build, and improve AI solutions. This is your chance to work with the latest AI tools, shape new features, and make a meaningful impact on how AI is used in Check Points network security management products.

Key Responsibilities
Develop AI solutions and features that enhance Check Points network security management products.
Design, integrate, and maintain AI technologies and services across multiple products.
Build and improve AI tools, agents, and capabilities that support many products.
Collaborate with teams across the organization to deliver AI-powered innovation.
Requirements:
3+ years of experience as a Backend Software Developer.
Proficiency in one of the following: Python, TypeScript.
B.Sc. in Computer Science with a GPA above 85 MUST.
Experience with Linux, Git, Docker.
Experience with Cloud platforms (e.g., AWS, Azure), CI/CD, and Kubernetes.
Familiarity with databases such as PostgreSQL, MongoDB, MySQL, or Oracle.
Advantages

Experience with GenAI, LangChain, RAG, and prompt engineering.
Experience with Knowledge Graphs.
Familiarity with frontend technologies (HTML, CSS, JavaScript, React).
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WIX
Location: Tel Aviv-Yafo
Job Type: Full Time
Building Wixs 3000 microservices and 32M lines of code requires high-scale CI/CD. Bazel is our build tool of choice and we front its Scala integration and work on building additional sophisticated features, world-class pipelines, and highly scalable services to support them. We do hardcore backend engineering and specialize in Bazel, its tooling, and integrations.
We also work closely with the developers at Wix to improve their day-to-day experience and eliminate velocity killers, from their IDE to GA.

As an engineer in the Bazel team, youll:

Build and maintain tooling that helps our developers build and deliver code faster

Build, and maintain highly scalable backend services providing unique CI/CD experiences to support Wixs backend code.

Work as a part of the Bazel OSS community, participate in discussions and workgroups and help shape Bazel itself
Requirements:
8+ years of experience in server-side technologies

In-depth understanding of Object-Oriented Programming (OOP) and SOLID principles

Skilled in debugging and investigating production issues and youre also able to recognize and address bad code

You have a good knowledge and interest in microservice architecture

Youre responsible and can work independently

You actively keep up with industry trends and developments and youre continuously searching for better solutions

Quick grasp of large and complex systems and their inner workings

Familiar with software engineering best practices (testing, code reviews, immutability, scalability, etc.)

Knowledgeable about bad practices and anti-patterns

Team player committed to the success of the team

An advantage if you:

Have experience using Bazel

Are familiar with Scala

Have worked with Docker and Kubernetes

Have a passion for DevEx-related topics: developer tooling, development environments, and build tools
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