דרושים » תוכנה » Senior backend software engineer

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.

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 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 As a Software Developer you will be responsible to:
Play a key role in designing and implementing infrastructure solutions to support our development and deployment processes.This role requires a versatile individual with strong technical skills, an out-of-the-box thinker, and a passion for solving challenging problems in cloud-based environments.
Key Responsibilities:
Develop, maintain, and optimize Python-based services and tools for cloud platforms (AWS preferred).
Design and implement scalable and secure infrastructure solutions, leveraging modern cloud technologies.
Build and maintain APIs, microservices, and server-side applications using Python frameworks
Collaborate with cross-functional teams to integrate CI/CD pipelines and improve deployment efficiency.
Troubleshoot and resolve technical bottlenecks in cloud-based systems.
Contribute to system architecture design and ensure best practices are followed.
Stay up-to-date with emerging technologies and trends to continuously improve development and deployment processes.

an exciting start-up at the intersection of technology and sports, dedicated to revolutionizing the way athletes, fitness enthusiasts, and trainers enhance their performance. We've developed a cutting-edge system that combines light-based pods and a mobile app to deliver a highly engaging and dynamic training experience.

Role Summary
We are seeking an experienced Senior Backend Engineer with a strong focus on backend development to join our team. The ideal candidate has deep knowledge in JavaScript runtime environments such as Node.js and extensive experience with cloud services platforms like GCP/AWS, using modern technologies and frameworks. You will play a key role in developing scalable, high-quality, and high-performance solutions.

Responsibilities
Develop and maintain scalable backend applications, ensuring robustness, performance, and reliability.
Collaborate with cross-functional teams to define, design, and ship new features.
Ensure robust, secure, efficient, and maintainable code; including code reviews and adhering to best practices.
Stay up-to-date with new technology trends, applications, and protocols in FE/BE development.
Implement solutions to ensure all applications and services perform at optimal levels and proactively address potential issues, optimizing cloud resources to ensure cost efficiency when needed.

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.

As a Software Engineer in the team, you will contribute to the design, development, and operation of our comprehensive data fabric an enterprise-grade system that enables data-driven decision-making and high-impact product features across our company. You'll work closely with a cross-functional team of engineers, product managers, and data experts to build scalable data infrastructure and intelligent data management capabilities that power internal and external services. You will:
Drive the development of sophisticated and robust logic and backend infrastructure that supports large-scale data and compute workflows.
Collaborate across teams to design solutions that meet performance, reliability, and security requirements.
Contribute to the automation and optimization of engineering processes, improving deployment velocity and system health.
Participate in the full software development lifecycle, from ideation and design to deployment and monitoring.
Help shape engineering standards, technical architecture, and operational best practices within the team.

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.

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.

We are looking for a passionate and experienced Backend Engineer to join our Networking Group.
In this role, you will play a key part in developing our cloud-based, proprietary networking and security management solutions.
You will also design and implement highly scalable processes for gathering and analyzing real-time network statistics, events, and large-scale data.
Responsibilities:
End-to-end backend development: from processing large-scale data to designing efficient microservices.
Develop and enhance high-performance, scalable services.
Improve the reliability, security, and scalability of existing infrastructure.
Work closely with cross-functional teams including Product, Data, Security, and UX.
Research and adopt new technologies to improve our products.