דרושים » תוכנה » Backend Infra Engineer

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.

Required Backend Engineer, Platform Foundations
What Youll Do:
Youll be part of the group responsible for our 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 look like:
You will be working on our 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.

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.

]looking for a Senior software engineer to join our high-impact team. This is a unique opportunity to help shape the backbone of a global platform, enabling engineers to build scalable and resilient services. As a Senior software engineer , youll design and build high-performance APIs and infrastructure that power our core systems. Youll work on developing frameworks used by services that demand supporting millions of users across the world. The right person for this role is passionate about building systems that are optimized for scalability, efficiency, quality, and uptime. If you are someone who gets excited with sub-millisecond service response time in a large scalable platform, then this is the role for you. You will be working with cutting-edge technologies such as Kotlin, Nodejs, Typescript, Kafka, AWS, Kubernetes, MongoDB, Redis, and many more...
What am I going to do?:

* Manage the full development lifecycle: architecture, design, development, deployment, and monitoring.
* Develop highly scalable, reliable, and maintainable core services with robust testing.
* Collaborate closely with team members to meet product, tech and business objectives.
* Explore and experiment with emerging technologies to ensure future scalability and growth.
Equal opportunities:
we prioritize diversity. We celebrate difference and embed it into every aspect of our workplace and product, as well as our community. proud and committed to providing equal opportunity employment to all individuals regardless of race, color, religion, sex, sexual orientation, citizenship, national origin, disability, Veteran status, or any other characteristic protected by law. In addition, will provide accommodation to individuals with disabilities or a special need.

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.

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.

As a Senior Software Engineer , youll design and build high-performance APIs and infrastructure that power our core systems. Youll work on developing frameworks used by services that demand supporting millions of users across the world.

The right person for this role is passionate about building systems that are optimized for scalability, efficiency, quality, and uptime. If you are someone who gets excited with sub-millisecond service response time in a large scalable platform, then this is the role for you. You will be working with cutting-edge technologies such as Kotlin, Nodejs, Typescript, Kafka, AWS, Kubernetes, MongoDB, Redis, and many more...

What am I going to do?
Manage the full development lifecycle: architecture, design, development, deployment, and monitoring.
Develop highly scalable, reliable, and maintainable core services with robust testing.
Collaborate closely with team members to meet product, tech and business objectives.
Explore and experiment with emerging technologies to ensure future scalability and growth.

we are the leading global provider of sports data, dedicated to revolutionizing the industry through innovative solutions. We excel in sports data collection and analysis, advanced data management, and cutting-edge services like AI-based sports tips and high-quality sports visualization. As the sports data industry continues to grow, our company remains at the forefront, delivering real-time solutions.
If you're passionate about both sports and technology and want to drive the sports-tech and data industries into the future, we invite you to join the team! We are looking for a highly motivated Senior Backend Engineer.
What Youll Do:
Develop high-quality, testable, and efficient, primarily backend code for a new cloud-based application - Risk Management System
Collaborate with fullstack developers and product teams to design and deliver our risk-management solution
Lead and contribute ideas to improve system functionality, performance, and code quality
Take ownership of key technical areas and act as the go-to expert
Write clean, modular, and well-documented code
Ensure reliability through thorough testing and validation
Stay up to date with Node.js and backend best practices
Mentor and guide fellow developers.

ShiftLeft is building the cloud security platform for developers (CAS). Our platform empowers teams to find, fix, and prevent security risks in application code and infrastructure as code through automation and security-as-code principles. We're looking for a skilled Senior Backend Engineer to join our team and contribute to our Cortex Cloud platform.
As a Senior Backend Engineer, you'll have a high-impact role in shaping the future of our code security products. Beyond building robust and scalable backend features, you'll help drive performance, reliability, and innovation across our systems. Our team leads the way in owning both the departments core infrastructure and Developer Experience (DevEx), empowering the entire engineering organization with powerful internal platforms and tooling. If you're excited by technical challenges, meaningful ownership, and making life easier for developers this is the place for you.
Your Impact
Feature Development: Design, build, and maintain robust backend services using TypeScript/Node.js. Take full ownership of complex, cross-system features from initial requirements through architecture, implementation, and deployment.
Build and Optimize Scalable Systems: Ensure performance, reliability, and cost-efficiency across distributed systems through thoughtful design, deep observability, and continuous optimization.
Platform Engineering & DevEx: Drive platform engineering initiatives by developing the department infrastructure and shared tooling that boost scalability, reliability, and the developer experience across the department.
Own Core Infrastructure: Design, operate, and evolve the departments infrastructure stack including BigQuery, MongoDB, Redis, and Argo Workflows using cloud-native technologies like Terraform, Kubernetes, and Helm.