לוח משרות דרושים Senior Backend Developer

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, we remain 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.

We are looking for a passionate and skilled Backend Developer to join our dynamic team! If you're excited about working on large-scale cloud-based security systems and enjoy solving complex challenges, this is the perfect opportunity for you.
As part of our backend team, you will develop and enhance server-side components for our cutting-edge security services. You will work with big data, AI-driven analysis, and a microservices architecture that serves millions of users worldwide.
What You'll Do:
Design and develop new features to meet customer needs
Optimize and scale existing services to ensure high performance
Collaborate with other teams (Mobile, Agents, etc.) for seamless integration.

We are looking for a highly experienced Backend Developer - Design and develop the core backend software layer over the company's specialized flagship product. It is a unique opportunity to join a team of top-notch engineers and work on cutting-edge technologies in a fast-paced environment of computation.
Join us in this exciting journey to redefine the future of computing.

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.

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're seeking a Senior Backend Engineer who's open to occasional frontend work (10-20%). You'll primarily build robust backend systems while occasionally contributing to user-facing features when needed. No frontend expertise required - just willingness to learn.
Key Responsibilities
What You'll Do
Lead end-to-end feature development
Architect scalable solutions for our React/NestJS platform
Collaborate with Product, Design, and Security teams on user-facing features
Optimize application performance and security for enterprise customers
Build scalable systems to onboard and serve a growing customer base.
Senior Backend Engineer
About The Role Veriti, a cybersecurity startup recently acquired by our company, helps organizations optimize their entire security stack to handle threats without business disruption. Following our acquisition, we're rapidly scaling to expand our customer base and help more organizations strengthen their cybersecurity posture.
We're seeking a Senior Backend Engineer who's open to occasional frontend work (10-20%). You'll primarily build robust backend systems while occasionally contributing to user-facing features when needed. No frontend expertise required - just willingness to learn.
What You'll Do
Lead end-to-end feature development
Architect scalable solutions for our React/NestJS platform
Collaborate with Product, Design, and Security teams on user-facing features
Optimize application performance and security for enterprise customers
Build scalable systems to onboard and serve a growing customer base.

As the worlds leading vendor of Cyber Security, facing the most sophisticated threats and attacks, weve assembled a global team of the most driven, creative, and innovative people.
At our company, our employees are redefining the security landscape by meeting our customers real-time needs and providing our cutting-edge technologies and services to an ever-growing customer base.
our company Workspace Security (Previously AVANAN) is a unique email solution that fully secures cloud email and cloud platforms using AI.
If you're passionate about making the world a safer place and want to be part of an award-winning company culture, we invite you to join us.
Key Responsibilities
As a Senior Cloud Back-End Developer, you will be responsible for developing and maintaining exciting security products utilizing advanced models for Avanans customers. Our production environment is a fast-paced, agile development cloud environment - handling tens of millions of transactions daily
You will develop software serving large scale production real-time environment. handling large quantities of data, using multi-threaded methods and design patterns. The domain you will tackle will involve cutting edge cybersecurity cloud solutions, like phishing, impersonation, anomaly detection, and more. The product involves significant use of modern AI technologies. All implemented with the latest AWS tools and managed services such as Aurora RDS, Athena, Kinesis, Kafka, SQS, Elastic Search, ElasticCache, and many more. You will design and develop high impact real-time components for online analysis, and take ownership of the end-to-end solution.
Develop production-grade, large-scale cloud -based security products.
Design and develop data-driven applications in an agile development environment.
Design and develop AI back-end solutions and APIs.
Interact with data scientists, R&D, QA and Test Automation.

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.

abra is seeking for a Backend Developer. We are looking for a skilled Senior Backend Developer to develop and to maintain systems using C#. This role requires developing core components of complex systems, infrastructure development, requirement analysis, and detailed software design. Full-time position based in the Central District, Israel
?Key Responsibilities:
* Development and maintenance of core components within complex, multidisciplinary, high-performance systems.
* Development of application-level infrastructures.
* Analysis of requirements and creation of detailed software design specifications.
* Planning and execution of integration and implementation processes for system-of-systems architectures, for both internal and external customers.
* Participation in formal system delivery processes for customers in Israel and abroad.

Justt helps many of the world’s largest and most recognizable brands turn chargebacks from a constant headache into a managed, predictable part of doing business. Our AI-driven platform powers chargeback operations at scale, automating disputes end to end, recovering revenue that would otherwise be lost, and removing a major operational burden from finance, risk, and operations teams across multiple regions and verticals. We’re a global company with teams across markets, and disciplines, working closely with leading players in the payments ecosystem. Our culture is built on clear thinking, collaboration, and a strong sense of ownership. At Justt, you’ll partner with product, engineering, data, success and go-to-market teams to build technology that sits at the core of modern payments, and has a direct, measurable impact on the bottom line for some of the biggest companies in the world. About the Role Justt is seeking a Senior Software Engineer to join the Justt team, which is responsible for the core of Justt's chargeback resolution platform. This role involves managing our central data pipeline, from ingesting chargeback data from Payment Service Providers (PSPs) to submitting dispute responses back to them. This position offers more than standard integrations; you will be tasked with designing and scaling the infrastructure for mission-critical data flows, addressing complex issues in distributed systems, API orchestration, and data integrity. Key Responsibilities
* Own the full lifecycle of PSP integrations and data pipeline systems
* Architect scalable backend services using Node.js, TypeScript, and NestJS
* Ensure data integrity across PostgreSQL and MongoDB at scale
* Drive architectural decisions and system design within our Nx monorepo
* Mentor team members and contribute to engineering best practices What We Offer
* Solve complex technical problems with real impact
* Engineering-driven culture with talented peers
* Significant ownership over architecture and product
* Modern stack: Node.js, TypeScript, NestJS, Nx, PostgreSQL, MongoDB, AWS
* Growth opportunities in a fast-paced fintech company