דרושים » תוכנה » Senior Backend Engineer 24363

We are looking for an experienced Senior Backend Engineer to join our SaaS platform team.
As part of our platform team, youll design and implement high-impact backend services, collaborate with frontend, DevOps, and product teams, and play a key role in shaping the next generation of our companys SaaS security architecture.
Youll help build and evolve the backend infrastructure that powers our cloud-native security platform, delivering advanced protection, observability, and scalability at global scale.
If youre passionate about solving complex backend challenges, scaling distributed systems, and driving innovation in cybersecurity, this is the place for you.
Key Responsibilities
Design, develop, and maintain cloud-native backend services supporting a large-scale SaaS security platform.
Build scalable, secure, and resilient architectures using modern AWS services (EKS, ECS, EC2, RDS, SQS, CloudFront, IAM).
Develop and optimize RESTful and event-driven APIs, backend integrations, and data flows.
Work in a microservices-based environment, ensuring high availability, observability, and performance.
Collaborate closely with frontend, DevOps, and product teams to deliver end-to-end solutions.
Implement monitoring, alerting, and reliability best practices for production environments.
Write clean, maintainable, and testable code, contributing to best practices and design standards.
Participate in architecture and design reviews, influencing the technical direction of the platform.

As a Senior User Data Engineer in the Demand group in our Tel Aviv office youll play a vital role in developing one of the largest real time big data operations in the world to support over 40TB of new data every day.
Our Tech Stack: Java, JS, TS, Python, Reactive, Spark, Kafka, Hadoop, Cassandra, Vertica, ES, MySQL, Memcached, HDFS, Iceberg, BigQuery, Druid, Kusto, Docker, K8S, Linux, Prometheus, Grafana, Airflow
Gen AI: Cursor, Junie, GitHub Copilot, Langfuse and much more
How youll make an impact:
As a Senior Software Engineer, youll bring value by:
Design, develop, and address scalability challenges in our user data pipeline and identity graph, ensuring efficient handling of high-throughput, high-performance systems
Have end to end ownership: Design, build, ship, measure and maintain our frontend and backend services
Collaborate with the brightest software engineers team members
Influence directly on the way billions of people discover the internet
Develop at unimaginable scale, serving thousands of requests per second
Work on innovative projects that are the next growth engines for our company
Here are some of the things software developers in our group did in the last several months:
A unique data pipeline for processing and managing user data signals
Driving our companys data advantage by leveraging real-time user signals to uncover intent and boost key business performance metrics
Develop a complete user identities graph and find deterministic and probabilistic methods to enrich it
An algorithmic model to predict the performance potential of a specific audience
Infrastructure to create unique audiences for advertisers based on various signals (behavioral, contextual, etc)
An A/B tests system to explore variations and experiments over audiences
Understand and use big data algorithms to estimate key business metrics over billions of impressions
Build user interface using React that serve thousands of users.

We're seeking an experienced Fullstack Backend Engineer to join our team working on our platform. You'll be responsible for developing and maintaining core components of our AI-driven cybersecurity solution that helps enterprises detect, investigate, and respond to advanced threats across their entire IT estate.

Key Responsibilities:

Design and develop scalable backend services and intuitive front-end interfaces for our platform
Implement data ingestion and processing pipelines for large volumes of security data
Integrate AI-driven analytics capabilities and optimize system performance
Develop APIs and integrations with various IT and security tools
Implement robust security measures and ensure compliance with industry standards
Troubleshoot complex issues across the full stack of our application

We are looking for a talented Senior Backend Developer to join our development team. As part of the team, you will contribute to building and enhancing high-scale, multi-tenant SaaS products that support customers worldwide. You will work in a hybrid environment, collaborating closely with highly skilled engineers in an agile, sprint-based methodology. This role is critical to the continued success of our next-generation security and monitoring platforms, ensuring performance, scalability, and reliability across multiple regions and tenants.
Key Responsibilities
Architect, design, and develop robust, high-quality backend services and APIs for our large-scale SaaS platform.
Own the end-to-end delivery of features in an agile, CI/CD environment, from conception to deployment.
Ensure the scalability, resilience, and high performance of our applications to support a rapidly growing, multi-tenant customer base across multiple regions.
Integrate with and optimize a diverse set of distributed data systems, including PostgreSQL, Redis, RabbitMQ, and Elasticsearch.
Champion and implement observability best practices (metrics, logging, tracing) using tools like Prometheus, Grafana, and OpenTelemetry to ensure system health and proactive monitoring.
Collaborate closely with product managers, frontend developers, and DevOps engineers to translate customer needs into impactful technical solutions.
Continuously explore, evaluate, and adopt new technologies to enhance our architecture and development efficiency.
Mentor and guide other developers, fostering a culture of technical excellence and knowledge sharing.

Were looking for an experienced Senior Backend Engineer to join our Harmony SaaS Security team a high-performing group born from a successful cybersecurity startup acquisition. We operate with startup agility and innovation, backed by the global strength of a world-class security leader.
High-Trust, High-Talent Team: Work with smart, humble engineers who value collaboration and excellence
Startup Energy, Global Impact: Innovate quickly within a global cybersecurity organization
Meaningful Ownership: Shape the architecture and technical direction of a platform redefining how enterprises secure SaaS and GenAI
AI-Accelerated Development: We embrace tools like Cursor, Claude, and ChatGPT - while maintaining strong coding standards
Our tech stack includes Go, Kubernetes, Kafka , GCP, Postgres, Redis, BigQuery, Terraform, Temporal, Prometheus, OpenTelemetry, and more - delivering scalable, reliable systems that protect modern SaaS and GenAI ecosystems.
Key Responsibilities
Lead the technical design and direction of core platform components.
Mentor and guide developers, promoting a culture of excellence and collaboration.
Drive critical architectural initiatives and ensure best practices across the stack.
Build and optimize scalable, secure backend systems supporting enterprise-scale SaaS security.
If you love leading from the front - solving complex problems, mentoring engineers, and building scalable security solutions - wed love to meet you.

We are seeking an experienced Senior Backend Engineer to join our Data Services team. The Data Services team manages, provides and processes the large volumes of data, used by our Scientists and customers.
In this role, you will be responsible for building new cloud and on-prem data systems and infrastructure, as well as maintaining, improving, and enhancing serving systems, in order to provide highly usable, robust, and efficient data services.
Responsibilities
Participate in the development of state-of-the-art auto-driving systems by managing the data required for training and validation
Build efficient services to manage and provision large quantities of visual and other types of data
Design, develop, and implement robust cloud and on-prem services
Contribute to the selection and utilization of new AI technologies, databases, and third-party services.

Required Sr Staff Backend Engineer - ShiftLeft (Cortex Cloud)
Your Career
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.

Our customers are first-class, and with your expertise, we can continue to exceed their expectations and create success stories that inspire. If youre ready to build something extraordinary and take your career to the next level, our company is the place for you. Lets achieve remarkable growth together and make a significant impact in the SaaS industry!

What You'll Do:

- Take full ownership of end-to-end development of key features in identity and access management.

- Work with cutting-edge AI to enhance development and security workflows.

- Drive technical excellence and help shape the architecture of our platform.

- Collaborate with a small but strong team of 4 developers and a team lead, contributing your expertise and leadership to raise the technical bar.

- Optimize and scale authentication and authorization systems with OAuth, JWT, SAML, WebAuthn, and more.

- Build and optimize services using NestJS (Node.js), TypeScript, and AWS.

- Take ownership of complex challenges, working both independently and within the team.

We are looking for a highly skilled and experienced Senior Software Engineer to join our backend team.
In this role, you will leverage your expertise in distributed systems, data engineering, and software development to design, build, and deploy high-performance solutions. You will take a leading role in developing and maintaining a cutting-edge online machine learning system powered by PyTorch/Tensorflow models and Triton inference server.
This is an opportunity to work on complex, large-scale systems that serve billions of requests, shaping the future of ad tech and ML-driven optimization.
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.

Come and be you with us
Being a worker is all about being you. We want you to bring all parts of yourself to work. giving you the freedom and confidence to be the best you and do your best work.
were waiting with open arms. Come join us.
About the Team
The AI team at our company is at the forefront of integrating cutting-edge AI technologies into our product, delivering features that enhance user experience, empower decision-making, and drive business insights.
We work in a true continuous delivery environment, with fully automated QA processes and a modern microservices architecture deploying to
Design, build, and maintain backend infrastructure and microservices supporting AI-driven features.
Collaborate closely with the infra and data groups to ensure smooth integration of AI models and services into our companys core systems.
Develop and optimize APIs, data pipelines, and background processing workflows.
Ensure performance, scalability, and resilience of production systems handling real-time AI interactions.
Drive engineering excellence through code reviews, architecture discussions, and automation.
Mentor other backend developers and promote best practices in software design, testing, and deployment.