דרושים » תוכנה » Senior Backend Engineer

We are looking for a talented and creative Backend Software Engineer to join us. This is a fantastic opportunity to join our excellent team and grow with the company.
If youre dedicated, friendly, appreciate challenges, and looking for something beyond the ordinary Then your place is with us!
A day in the life:
Be responsible for writing fast, optimized code.
Develop real-time blocks both on-prem and in the cloud.
Implement and integrate new logics and flows for the product.
Analyze system bottlenecks and creatively solve them.
work closely with top tier ML researchers.

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 Full Stack Engineer with a strong backend orientation and deep Python experience who excels at solving complex challenges and is passionate about building robust, scalable, and data-driven systems. In this role, you will work closely with a talented team of engineers, Product, Design, and Data Science to deliver innovative solutions that have a meaningful impact on users' lives.

As a senior engineer, you will take ownership of projects from concept to deployment in a fast-paced, highly collaborative environment. Youll focus primarily on backend development, with the ability to contribute to frontend work as needed. Youll also mentor team members and help drive technical excellence.

Responsibilities:
Backend Development: Design, implement, and maintain scalable, efficient, and secure backend services, with a focus on Python and Node.js.
Data Infrastructure: Work with real-time data systems, including Elasticsearch, Vector Databases, and other high-performance storage and retrieval tools.
End-to-End Feature Development: Deliver features across the stack, integrating frontend and backend components.
Collaborate with Data Science to integrate advanced algorithms and ML models into production systems.
Partner with Product Managers and Designers to brainstorm and execute impactful product features.
Ensure system architecture is reliable, maintainable, and built for scale.
Lead by example: contribute to code reviews, mentor peers, and foster engineering best practices.
Stay up to date with emerging technologies and suggest ways to apply them for performance and scalability improvements.

Were looking for a Senior Backend Infrastructure Engineer (or Tech Lead, for the right candidate) to join our core infrastructure team. This role is all about building and evolving scalable, high-performance backend systems that serve as the foundation for all our product engineering teams.
Youll be responsible for designing and developing distributed systems, owning critical backend infrastructure services, and working closely with architects, DevOps, and product engineers to ensure our platform is reliable, efficient, and future-proof.
In this role, you will be responsible for:
Designing, developing, and maintaining scalable infrastructure services and middleware in a distributed microservices environment.
Leading cross-team backend infrastructure initiatives that impact the entire R&D organization.
Building robust systems that support our product teams with high availability, observability, and fault tolerance.
Partnering closely with architects, DevOps, and backend engineers to define and implement best practices across the stack.
Driving performance improvements and architectural evolution with a long-term vision in mind.
Proactively identifying technical gaps and areas for optimization across our backend infrastructure.

We are looking for a Senior Backend Engineer to join our AI/ML team. In this role, youll work closely with data scientists to transform cutting-edge machine learning models into scalable, production-ready services. You will take ownership of designing, building, and maintaining the backend systems that power our AI-driven features.

This is a key position that bridges the gap between data science and production engineering, ensuring high performance, reliability, and maintainability of our ML-powered products.

Responsibilities:
Collaborate with data scientists to understand modeling outputs and convert them into deployable services.
Design and develop robust, scalable backend systems and microservices to support AI use cases.
Own the deployment and monitoring of ML models in production (with CI/CD, logging, observability).
Implement data processing pipelines in support of model training and inference.
Ensure software adheres to best practices in architecture, testing, and documentation.
Optimize model inference for latency, throughput, and resource efficiency.
Contribute to design decisions and technical strategy alongside AI and infrastructure leads.

we are the leader in Behavioral Biometrics, a technology that leverages machine learning to analyze an online users physical and cognitive digital behavior to protect individuals online. our companys mission is to unlock the power of behavior and deliver actionable insights to create a digital world where identity, trust, and ease coexist.Today, 34 of the world's largest 100 banks and 210 total financial institutions rely on our companyConnect to combat fraud, facilitate digital transformation, and grow customer relationships.. our companys Client Innovation Board, an industry-led initiative including American Express, Barclays, Citi Ventures, and National Australia Bank, helps our companyto identify creative and cutting-edge ways to leverage the unique attributes of behavior for fraud prevention. With over a decade of analyzing data, more than 80 registered patents, and unparalleled experience, our companycontinues to innovate to solve tomorrows problems.
Are you an experienced backend developer with a passion for cutting-edge technology? Do you have an interest or background in machine learning, data science, or working with models? we are looking for a backend developer to join a newly formed team and help build core services from the ground up.
As a backend developer at our company, you will work with a team of highly curious and innovative professionals. You will be responsible for developing core services and APIs that handle high volumes of real-time traffic and meet strict SLA response times. Your role will involve complex data processing, aggregation, and research of big data.
While experience in ML/DS is not a requirement, familiarity with ML-based architectures, model deployment, or data-driven decision-making will be considered a strong advantage.

our company has been defining computer graphics, PC gaming, and accelerated computing for more than 25 years. With an outstanding legacy of innovation, driven by phenomenal technology, and extraordinary people, we are looking for a strong technical senior architect to join us in shaping the future. Senior Architects are innovators who can translate business needs into workable technology solutions. Their expertise is deep and broad. They are hands on, producing both detailed technical work and high-level architectural designs.
As a Senior architect in the Advanced Development team, you will explore technological challenges on accelerate networking and building AI data centers. Research new transport functions and semantics for optimizing AI workloads. You will also be leading architectural and development efforts across numerous technological fields, related to the modern data center, such as distributed AI and deep learning solutions, data analytics, High Performance Computing (HPC), Software Defined Networking (SDN), virtualization, storage, and more.
What youll be doing:
Enhance our company's GPU Networking offerings for accelerating AI workloads, such as our company Dynamo or our company NIXL.
Identify and evaluate new technologies, innovations and partner relationships for alignment with our technology roadmap and business value.
Lead architecture and design of such technologies.
Lead proof-of-concept development to evaluate and drive such technologies.

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.

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.

We are looking for a skilled and highly motivated software engineer to join and play an integral role on the Runtime team, part of the MLOps group. This team is responsible for building high-quality, enterprise-grade deployment and serving infrastructure for classic ML models and LLMs ensuring they are efficiently deployed, monitored, and scaled to handle millions of requests across multiple cloud platforms, including GPU-powered machines.
As a core member of the team, youll tackle meaningful and engaging challenges across a diverse technological stack.
We value creative, fast learners and independent thinkers who are proactive, collaborative, and capable of driving tasks from concept to production.
As a Back-End Engineer you will...
Be an integral part of a highly skilled team working to build the leading MLOps platform in the industry.
Maintain and evolve the Runtime teams products, ensuring their reliability and scalability.
Design and develop a complete hosting system that supports various types of inference, analytics, monitoring, distribution, and more enabling customers to run large-scale real-time, batch, and streaming ML pipelines.
Play a key role in shaping our cross-company engineering culture.
Conduct high-quality design reviews with a strong emphasis on scalability, maintainability, security, and sound use of design patterns.
Write maintainable, well-tested code in multiple programming languages.
Continuously improve the efficiency, scalability, and stability of critical system components.