דרושים » חומרה » Senior Backend Engineer

We are building the engine that powers the security validation of the worlds leading cybersecurity products. Our team is developing a complex, high-scale infrastructure that automates attack scenarios and delivers "Environment as a Service" to users across the entire company.
We are looking for a Senior Backend Engineer who is not just a coder, but a system thinker with a wide field of vision. You will be dealing with a system that touches multiple cloud, on-prem providers and services, requiring you to understand how complex distributed components interact.
You will join a group where scalability, and performance are paramount. This is a unique opportunity to build a platform used by everyonefrom Sales Engineers demonstrating our capabilities to Core Developers ensuring our products can stop the latest threats.
Your Impact
Architect and Build: You will design and develop high-performance backend microservices using Python (FastAPI) that orchestrate complex attack simulations and infrastructure setup.
Scale and Orchestrate: You will manage the complexity of parallel services and containerized components (Docker/Kubernetes/Amazon ECS/etc.), ensuring our infrastructure can handle high concurrency and massive scale.
Drive Efficiency: You will build tools that reduce testing cycles from days to hours, directly impacting the developer experience and the speed at which we release products.
Empower the Business: You will create a platform that is robust enough for developers but accessible enough for non-technical teams, directly aiding in the demonstration, marketing and sale of our products.
Data Integration: You will implement efficient data handling and storage strategies using BigQuery, MongoDB, and Redis to ensure real-time availability and historical analysis.

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.

In a world where remote work is the new norm, organizations perimeters are much more loosely defined and cloud-native apps replace data centers rapidly, a new approach is needed to provide connectivity, compliance and security for all.
As a Senior Backend Engineer - you will build and design distributed backend services that are the backbone of our platform. You will need to think wide about all system components and will need to consider the trade-offs with every design decision you make.
You will work with the latest technologies and development methodologies to achieve the best outcomes. This is a unique opportunity to join very early and take charge of new product architecture and build it from scratch.
Your Impact
Responsible for complete software development life cycle including requirement analysis, design, development, deployment and support
Design, implement and test critical components in the product, take into account complex considerations of multiple platforms, performance, supportability, maintainability and much more
Write clean, testable, readable, scalable and maintainable code that scales and performs well for thousands of customers
Develop solid understanding and be able to explain advanced Cloud Computing and Security concepts to others
Research new technologies and their implications on connectivity and security. Then adapt them for use in the companys products
Write design documents, SW development guidelines, and best practices.

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

We are looking for a Sr Backend Engineer for our Tel Aviv R&D center.
The Talon teams teams take part in the development of the Enterprise Browser, which acts as a security shield for businesses' online activity. It protects against a range of cyber threats by isolating web sessions, filtering malicious content, preventing data leaks, and centrally managing security policies. This multi-layered approach secures the organization's data, and provides superior user experience and cost structure compared to other solutions.
Were looking for a Sr Engineer that could take a leading position in the team, lead features end-to-end by creating and owning particular flows, easily ramp-up on projects old and new and deliver substantial improvements on the whole product.
More information about the Enterprise Browser can be found here.
Your Impact
Contribute significantly to feature development, participating in design, implementation, testing, and deployment
Gain experience owning specific segments of features, demonstrating accountability and commitment to quality
Actively participate in cross-functional collaboration to ensure seamless integration of product features and infrastructure
Contribute effectively to discussions, share knowledge, and learn from other teams' expertise
Contribute ideas and participate in brainstorming sessions to drive innovation within the product
Be a team player who actively supports colleagues and contributes to a positive team dynamic
Continuously seek opportunities for improvement within the team or product.

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 considering both Senior and Principal level engineers for this role.
As a Backend Developer, you will research, design, and implement cloud security products using the most up-to-date and cutting-edge technologies and frameworks, across all cloud providers (AWS, GCP, Azure, etc). You will build and be responsible for high-performance, massively scalable, always-available cloud-based systems.
Your Impact
Supercharge data security protection by developing solutions helping clients understand what kind of data they have, and across modern cloud infrastructure (e.g., Azure, AWS, GCP).
Make significant contributions to feature development by engaging in design, implementation, testing, and deployment processes
Ship innovation for microservices and scanner solutions dealing with high scale data and operations
Generate ideas and actively participate in brainstorming sessions to foster innovation within the product.

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 Senior Software Engineer to join our Decision Engineering team. The group is responsible for the real-time, low-latency infrastructure that powers our fraud decisions and external APIs.
Our systems process billions of requests every day, ensuring high availability, security, and performance at global scale.
In this role, youll work on core backend components such as our decision engine, ingestion and enrichment pipelines, schema management systems, and self-serve API platform. The software you build will power critical business decisions and directly serve some of the worlds largest merchants.
This is a high-impact, high-ownership position for an engineer who thrives on solving complex distributed systems challenges, cares deeply about production-grade quality, and wants to shape the foundation of our decisioning platform.
What you'll be doing:
Design, build, and scale backend systems that power our real-time decisioning and APIs.
Own projects end-to-end - from design and implementation to production rollout and monitoring.
Ensure systems are low-latency, fault-tolerant, and high-throughput across distributed environments.
Enhance observability, reliability, and developer experience through strong operational and tooling practices.
Collaborate with Product, analysts, data scientists, and infrastructure teams to drive innovation across our decision ecosystem.
Participate in technical discussions and customer interactions, providing expertise and clear communication when supporting enterprise integrations.

Requred Backend Engineer
About Us
We help modern, mid-size businesses transform the way they manage people, giving HR and managers all they need to connect, engage, develop, and retain top talent. Since 2015, weve achieved consecutive triple-digit year-over-year growth, all backed by our amazing team of Bobbers from across the globe, making us the choice HRIS of over ~4500 midsize and multinational companies and over 1 Milion users.
Our HR platform is intuitive, data-driven, and built for the way people work today: globally, remotely, and collaboratively.
Come and be you with us
Being a Bobber 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. If thats bubbly, shy, precise, funny, bold, kind, honest, brilliant, or anything in between, were waiting with open arms. Come join us.
What will you do?
As a Backend Engineer on the team, youll have a key role in developing our product and its unique features, working closely with our Product team. You should be passionate about software engineering and building a product end-to-end and will be responsible for owning the dev cycle from the technical design, through coding and testing, to deployment and monitoring. We work in a true continuous delivery environment with fully automated QA processes on a microservices architecture, deploying to production dozens of times every day.