דרושים » ניהול ביניים » Senior Back End Developer 24281

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.

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.

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.

Were growing rapidly and looking for superstars to join our rocketship. Were looking for an experienced Backend Engineer that will help us bring permission management back to security, where it belongs. Together well build a SaaS product to serve thousands of global customers in a modern and scalable way. You will work closely with the rest of the R&D team to design, develop, and deploy high-quality software that powers our platform with cutting-edge technologies in a dynamic and agile environment. As a backend engineer, you will:
Grow and evolve as part of the R&D team!
Develop end-to-end features and systems that are used daily by key stakeholders, both internally and externally.
Investigate, implement and share new technologies and ideas.
Practice the most advanced server-side techniques available with challenging micro-services architecture, using the best technologies available: Kubernetes, Big Data Technologies (e.g. Kafka, Spark), Python.

We are seeking a Senior Cloud Engineer to join our Data Stores team. We are looking for a proactive, detail-oriented individual to be responsible for designing, implementing, and delivering data infrastructure solutions that are the core of our products. If you are passionate about infrastructure and want to contribute to a dynamic and innovative team, we would love to hear from you.
About the team:
As the Data Stores team, we are responsible for implementing and delivering data infrastructure solutions that handle and store petabytes of data. Our focus is on scalability, low latency, high throughput, and geo-distributed systems, ingesting terabytes of data every day. We provide seamless, reliable, and scalable data solutions, which are key components for our Machine Learning Models that deliver highly accurate, real-time risk decisions to protect our customers from fraud. Continually adapting to the evolving landscape and trends in the data landscape, we implement new data solutions to ensure our innovative products stay ahead in the market.
Why should you join us?
As a member of the data stores team, you will work alongside highly technical software engineers shaping the way our stores vast amounts of data. You will be entrusted with the designing, implementation, and delivery of data infrastructure solutions that are the right fit for the requirements. Your unique perspective and experience will bring innovative ideas to the team and help us deliver long term solutions.
What you'll be doing:
Lead and mentor engineers to ensure the seamless operation of our systems.
Investigate and implement performance and cost optimizations for our cloud infrastructure.
Create or introduce tooling and processes to support the operational aspects required for maintaining large-scale cloud infrastructure.
Contribute to the continual improvement of our cloud infrastructure.
Stay updated with the latest trends and technologies in cloud infrastructure, and implement new offerings as needed.
Participate in on-call rotations to ensure the availability and performance of our cloud infrastructure systems.

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 top-notch Senior Software Engineer to help us tackle the toughest challenge in cybersecurity: turning endless amounts of data into crisp, easy, and actionable insights.

Responsibilities
Collaborate with a senior Agile Scrum team to design, develop, and maintain large-scale, cloud-based data processing pipelines and backend components. Work with cutting-edge technologies including Spark, Kubernetes, AWS, and modern data lakes like Databricks and Snowflake.
Design and implement scalable, cost-effective solutions that deliver high performance and are easy to maintain. Tackle complex, high-scale problems and drive performance optimization and cost-efficiency across the data pipeline.
Partner with engineers across our company R&D and Product teams to enhance our platform and provide capabilities for internal and external users to build data transformations and detection pipelines at scale.
Build robust monitoring and observability solutions to ensure full visibility across all stages of data processing.
Stay current with trends in big data processing and distributed computing. Contribute to code quality through regular reviews and adherence to best practices.

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.

Senior Backend Engineer-Detection Team (Cortex)
As a member of our team, you will be shaping the future of cybersecurity. We work fast, value ongoing learning, and we respect each employee as a unique individual. Knowing we all have different needs, our development and personal wellbeing programs are designed to give you choice in how you are supported. This includes our FLEXBenefits wellbeing spending account with over 1,000 eligible items selected by employees, our mental and financial health resources, and our personalized learning opportunities - just to name a few!
Your Career
Cortex is expanding. We have the pace of a startup and the resources of the worlds cybersecurity leader. We have hundreds of petabytes of data, waiting for you to process, analyze, and apply your magic to it.
We are looking for an experienced backend engineer, who will join a team that will invent, design, engineer, and build a new set of capabilities focused on Data Analytics and Threat Detection within the top-notch Cortex platform. You will have a truly unique opportunity to influence the development of our product. You will work closely with Product Management and R&D leaders, help define the requirements, and conduct a substantial part of the technical research.
Your Impact
You will develop a product that will apply the power of the Cortex Platform to solve the challenges of cloud security, with a focus on Data Analytics and Threat Detection
You will apply your knowledge and experience of cloud development and cybersecurity to design and build and integrate new capabilities into our platform.

We are looking for an experienced Senior Backend Engineer to join our fast-growing company during a breakthrough stage, as we build our dream team of the most passionate and professional people in the industry. Our team thinks differently and quickly, delivering high-quality and unique code while using the latest technologies and frameworks - all without forgetting to enjoy the ride!
What Youll Do?
Take part in all development aspects, from design to production, of a wide hybrid/cloud-native product
Write high-quality, testable, and efficient code using Python and Go
Initiate and promote new ideas for continuous improvement of product functionality
Work closely with other team members, as well as mentoring new team members.