דרושים » תוכנה » Backend Engineer Networking Group

Were looking for passionate individuals who thrive in collaborative environments and are eager to drive impact. If youre excited about solving complex challenges in bold, innovative ways, wed love to connect with you.

What are we looking for?
Our team is responsible for Endpoint Protection services, and covers end-to-end from agent to backend to frontend the following areas:
Building services that process traffic between our Agent (which is responsible for protection across all kinds of OS - Windows, Linux, macOS) and our cloud-based Management console
Developing a big part of backend of this Management console itself (which is in short a large-scale distributed system, a complex "control application" used by IT security teams of S1 clients - that can be seen in many S1 vs. Ransomware demos) and the management of the "fleet" of agents deployed on endpoints in client's environments (backends written in Python and Go and deployed in Kubernetes)
Were a team with a significant impact on how our customers environments are protected, and how they interact with agents. As a core team at S1, we're heavily involved in every end-to-end effort, features development and are key contributors to the design and build of the right architecture of S1's cybersecurity solution to match the scale & hyper-growth of our business.

What will you do?
Design, develop, and support robust backend system our main product line - Endpoint Protection
Feature Design and Documentation: Take ownership of designing new features and creating documentation.
Database Schema Design: Design efficient database schemas to support new and existing features.
Backend Service Development: Develop and maintain backend services using Go and Python. Create RESTful APIs to facilitate seamless interaction between the backend, front-end, and other systems.
Integration: Integrate with various cloud services (AWS, GCP), databases (Postgres, MongoDB), messaging systems (Kafka), and caching solutions (Redis) to enhance system functionality and performance.
Feature Support and Validation: Provide support during the feature validation cycle, ensuring smooth deployment to production environments.
Performance Optimization: Optimize system performance and scalability to manage demanding workloads effectively.
Requirement Translation: Understand product requirements and translate them into technical solutions.
Cross-Team Collaboration: Work closely with product, validation, and front-end engineering teams to deliver and maintain high-quality features.
Customer Communication: Communicate with customer care and support teams to address issues.
Code Quality and Maintenance: Write clean, maintainable code. Stay up-to-date with the latest advancements in backend technologies and security best practices.
Innovation and Creativity: Bring creativity to the table. Explore new solutions and technologies to improve our product continuously.

We are looking for a Senior Backend Infrastructure Engineer to join our Infrastructure Group, the team responsible for building and scaling the shared services and core systems that power our entire engineering ecosystem.
As part of the Infrastructure Group, you will play a critical role in providing the backbone of our technology, enabling development teams to move faster, more reliably, and more efficiently.
You will lead the design and implementation of cross-team services, accelerate the work of product and platform teams, and act as a pivotal force in driving complex, high-impact technical initiatives across the organization.
This is a hands-on engineering position that blends deep technical expertise with leadership, delivering robust and scalable infrastructure solutions that directly influence the success of our core products.
Responsibilities:
Own and Scale Core Services - Design, develop, and maintain reliable, high-performance, and highly available backend services used across our engineering teams.
Advance Backend Infrastructure & Tooling - Continuously evolve our engineering foundations from CI/CD frameworks to internal tooling improving development velocity, observability, and system reliability.
Drive Cross-Team Technical Initiatives - Collaborate with product, platform, and backend teams on strategic projects. Serve as a force multiplier by enabling feature teams through shared infrastructure and backend leadership.
Lead Innovation and Technical Direction - Champion innovation in tooling, architecture, and best practices. Lead the adoption of new technologies and modern approaches to future-proof our infrastructure.

We are looking for an experienced, passionate Senior Backend Engineer (Platform Team) to join our growing TLV R&D location. You'll be joining the backend group to help us expand our infrastructure and add new features to the company's core product.
As a Senior Backend Engineer in our platform team, You'll take part in our effort to improve our product, productivity, security and the ability to scale. Opportunity to make a significant impact by driving the technical direction of a high-growth company.
As a Senior Backend Engineer, you will:
Develop and maintain policies and procedures for software development, deployment, and maintenance. Monitor cloud environments using infrastructure as code methodologies
Work closely with other teams, such as development and operations, to ensure that our software applications meet the needs of the organization.
Participate actively in code reviews to uphold high standards of quality and maintainability in software development
Work collaboratively with product teams to design and implement new cloud services and workflows, contributing to the continuous improvement of our platform
Stay up-to-date with emerging trends and technologies in Cloud, and assess their potential impact on our organization

we are looking for a Backend Software Engineer to join our growing team. Youll help design and build a complex SaaS platform that integrates with security systems, on-prem tools, and a powerful calculation engine, all while providing the best user experience. In our team, youll work closely with colleagues across Product, Cyber, DevOps, and QA to continuously deliver impact. Its a startup vibe inside a big company: fast-moving, hands-on, and full of opportunities to grow. You'll deepen your skills in architecture, scalability, and secure system design and help shape something that matters.

As a Backend Software Development Engineer, you will:
Plan and design high-quality backend solutions, ensuring quality through strong architecture and comprehensive testing.
Build various core components integrated as a whole product:
Extensive and stable integration solutions to both internal and external cyber sources and systems.
Improve, validate, and innovate algorithms, calculations and analytics throughout all system components and integration points.
Work in a fast-paced and agile work environment with business-oriented delivery focus.
Communicate with team members, other technical teams and management to collect requirements, identify tasks, provide estimates and meet production deadlines
Proactively self-learn, maintain, and troubleshoot all existing system components to ensure smooth and reliable operation.
Review and rewrite legacy code to latest technologies.

We are seeking a Senior Backend Platform Engineer to join our core engineering team and lead the development of scalable, high-performance backend systems. In this role, youll design and optimize platform services that power large-scale applications. Youll collaborate with cross-functional teams to ensure our systems are robust, efficient, and future-ready.
Your ownership will include:
Design, develop, and maintain backend services, APIs, and microservices.
Optimize performance, scalability, and reliability across the platform.
Collaborate with frontend engineers, DevOps, and product teams to deliver seamless integrations.
Implement best practices in backend architecture, security, observability, and automation.
Work with cloud-native technologies and distributed systems (e.g., Kubernetes).
Develop and maintain CI/CD pipelines for smooth deployments and testing.
Troubleshoot performance issues and resolve production incidents.
Write clean, maintainable, and well-documented code, and participate in code reviews.

Required Software Engineer
About The Role:
Your responsibilities will span from design to implementation of a complex, time-critical, microservices-based system, that leverages event-driven design to handle large volumes of clinical data and provide advanced interface (mobile and web) to manage clinical workflows. You will collaborate closely with cross-functional teams including AI researchers, data engineers, product managers, and clinicians, helping us deliver life-saving technologies to hospitals. This is a hands-on, high-ownership role where your technical expertise, creativity, and leadership will drive real-world outcomes measured in lives saved.
Tech stack:
We are running on AWS and using various technologies to power our services. Our services are Python-based, and we leverage open-source technologies like RabbitMQ, Redis, and Elasticsearch to achieve scale, performance, and robustness. We also encourage the use of AI-powered coding tools such as Junie and Cursor to boost productivity, code quality, and delivery speed.
You will:
Own your domain and ensure code quality, system performance, and product scalability
Build and maintain microservices written in Python
Design and implement event-driven systems to handle large-scale clinical data
Collaborate closely with stakeholders across product, design, AI, and clinical teams
Mentor and coach other developers, setting high standards for clean, maintainable code
Treat AI as a core part of your workflow, using tools like ChatGPT to enhance productivity and output
This role may be for you if youre excited about:
Seeing your work directly translate to lives saved
Delivering mission-critical, real-world systems at scale
Leveraging cutting-edge AI tools like Junie and Cursor to accelerate your workflow in a team that embraces modern development practices
Working with world-class engineers and researchers whove taken startups from seed to exit
Being part of an open, supportive, and fun team.

Required Backend Software Engineer Cloud Unit
Why would you love this job?
In this role you will develop and maintain our management platforms (with over 200K users). You will be responsible for E2E development of essential customer-facing features of a SaaS product.
Our ideal candidate is a strong individual with experience in large-scale web applications from the server side to the client, who is eager to learn new technologies and create a real impact for our customers.
What youll do:
Develop significant flows in the Cloud management platform
Improve existing code and drive it to excellence, testability and CI
Develop new user-facing features and improve the user experience
Work closely with team members, product, DevOps, support, customer success, and R&D teams in Israel and abroad
Research new technologies and methodologies and integrate them into our platforms.

We are seeking an experienced Backend Developer with a minimum of 5-6 years of hands-on experience to join our development team. As a Backend Developer, you will be responsible for designing, developing, and maintaining robust solutions for our suite of products, as part of the team responsible for the heart of our technology stack. You will work with cutting-edge technologies, including Node.js, Nest.js, TypeScript, PostgreSQL, and AWS services.

Responsibilities:
Design, develop, and deploy scalable and high-performance backend solutions to support our web and mobile applications.
Write clean, maintainable, and well-documented code in TypeScript, following best practices and design patterns.
Implement and maintain database schemas, queries, and optimizations using PostgreSQL.
Perform code reviews, troubleshoot issues, and provide technical support to ensure the reliability and performance of backend systems.
Collaborate closely with the product team, FE developers, QA engineers, and other stakeholders to understand requirements and translate them into technical specifications and implementation plans.

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.
About the Role:
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

Required Experienced Cloud Backend Developer Cloud Unit
Why Youll Love This Job
Scale at Enterprise Level: Own features used by 200K+ users across AWS and GCP
End-to-End Ownership: Design, build, and monitor customer-facing SaaS workflows
High-Impact Reliability: Drive five-nines uptime with observability and self-healing
Autonomy: Drive your own feature roadmap end-to-end.
Professional Growth: Leverage a dedicated learning budget and mentorship opportunities.
What Youll Do
Design & Develop significant flows in the Cloud marketplace platform
Integrate our Cloud with public and private cloud marketplaces to streamline offer management and usage tracking.
Improve existing code and drive it to excellence, testability and CI
Develop new user-facing features and improve the user experience
Implement monitoring, alerting, and dashboard solutions to ensure service reliability and detect anomalies.
Work closely with team members, product, DevOps, support, customer success, and R&D teams in Israel and abroad.