דרושים » ניהול ביניים » Senior Backend Developer

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.

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 Harmony Email Security and Collaboration (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.

At Similarweb, we are revolutionizing the way businesses interact with the digital world by revealing to them everything that happens online.

Our unique data and solutions empower over 4,300 customers globally, including industry giants like Google, eBay, and Adidas, to make game-changing decisions that drive their digital strategies.

In 2021, we went public on the New York Stock Exchange, and we continue to reach new heights! Come work alongside Similarwebbers across the globe who are bright, curious, practical and good people.

What Youll Do:
Youll be part of the group responsible for Similarwebs main products. You will impact the work of developers in the group by designing, building and maintaining the core infrastructure of our solution and leading the research and development of new technologies as well as maintaining code standards and practices.

What does the day to day of Infrastructure Engineer at Similarweb look like:

You will be working on Similarwebs core B2B platform that serves tens of thousands of customers, serving hundreds of terabytes in production. Our backend engineers are responsible for the entire data lifecycle - from our endless datatlakes, through choosing the right serving methods and databases, all the way to our api services.

Your role will include:

Design and implement scalable backend services and libraries that are reusable and maintainable, serving as the foundation for various applications across the company.
Build and maintain tools that streamline development workflows, enabling product teams to focus on delivering business value.
Define and promote best practices for code quality, performance, and reliability, ensuring healthy production environments and rapid development cycles.
Lead the adoption and integration of AI tools to assist in code generation, testing, documentation, and debugging, thereby accelerating development processes.
Perform proof-of-concepts (POCs) on emerging technologies, including AI agents and platforms, to assess their applicability and benefits to our development ecosystem.
Drive cross-team technical projects aimed at improving infrastructure scalability, reliability, and developer experience.
Analyze and resolve complex production issues, ensuring minimal downtime and optimal performance.
Contribute to the evolution of our system architecture, ensuring it supports rapid development and scaling needs.

Aura, a revolutionary large-scale mobile platform, is looking for an outstanding and passionate Senior Backend Engineer to join a rapidly growing team. We work in a fast-paced environment, building a content discovery platform used by millions of users. The service enables unique content discovery experiences allowing users to access and find their favorite content in a simple and accessible way. Our team uses the most up-to-date technologies to build a scalable and resilient product that is growing at a high pace. This is a great opportunity for those looking to make a huge impact on a technically challenging product with a huge audience. We value team players with technical excellence and a sense of ownership who know how to choose the right tool for the right task.
What you'll be doing
Design, develop, test, deploy, maintain, and enhance large-scale software solutions.
Write clean, highly scalable, and top-quality code that sets industry standards.
Work closely with the Product, Architects, DevOps, and BI.
Continuously learn and stay up to date with emerging trends and technologies in the industry.
Drive innovation by researching and implementing new technologies and best practices within the development team

ironSource from Unity, a cutting-edge large-scale ad network, is seeking a highly skilled and experienced Senior Software Engineer to join our backend team. The ideal candidate will have a strong background in distributed systems, data engineering and software engineering, and will be responsible for leading the design, development, and deployment of top quality and an online ML system.
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.

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.

As a Senior Backend Engineer, youll join a growing global team at Wix, shaping the future of eCommerce. Youll develop and maintain the core selling and order management capabilities for all Wix verticals. Working in a highly distributed, cutting-edge environment, youll play a central role in building scalable, resilient systems that handle millions of requests per minute.

Build and maintain backend systems to process 1.5 million API requests and 400,000 events per minute

Design, implement and optimize scalable and resilient systems with an API-first approach

Solve high-scale technical challenges in a distributed microservices environment (~100 microservices)

Collaborate with cross-functional teams to ensure seamless integration and functionality across the platform

Lead technical initiatives to improve system performance, reliability and scalability

Mentor and guide junior engineers to help them reach their full potential

Write clean, test-driven code, ensuring high-quality deployments to production for millions of users

As a server engineer in Wix's Internal Platform Engineering team, you'll design, build, and maintain scalable, reliable, and secure infrastructure and tools to support our development and operations teams. You'll work on innovative projects that enhance system performance, ensure high availability, and streamline deployment pipelines for efficient software delivery. In your day-to-day, you will:

Develop generative AI tools and agents to enhance and improve Wix's velocity

Build inter-company systems and tools, including E2E solutions

Design and maintain API gateways and tailored security solutions

Improve development workflows, accelerate deployments, and ensure system reliability

Collaborate with cross-functional teams to drive operational excellence