דרושים » תוכנה » Backend Engineer, Blockchain

We're seeking an outstanding and passionate Software Engineering to join our growing R&D team.

You will work in an energetic startup environment following Agile concepts and methodologies. Joining the company at this unique and exciting stage in our growth journey creates an exceptional opportunity to take part in shaping our team and technology at the forefront of Fintech and AI.

If you have more front-end or back-end orientation, don't hesitate to apply.

What you'll do:

Be responsible (together with the team members) for the company`s platform, its up-time, architecture & scale.

Be part of building a high-scale and robust backend platform.

Work closely with company leadership, and iterate over core infrastructure.

Write high-quality and performant code following industry best practices and standards.

Experiment with new technologies, tools, and 3rd party frameworks. Utilize them to deliver state-of-the-art tech.

The Platform Services team builds the core backend capabilities that power all products. Every business unit relies on these generic, reusable services to operate, scale, and innovate.
We own both developer-facing platform components (APIs, SDKs, events, configurations, notifications, templates, etc.) and product-facing experiences used directly by customers. When a capability is commonly needed across multiple units, we productize it into a scalable platform service. As part of the Platform unit, we work closely with all R&D teams to ensure consistency, scalability, and operational excellence across .
The team is primarily focused on backend development but also includes frontend components, enabling end-to-end platform solutions.
As the Engineering Manager, you will drive the technical vision of our platform and empower every product team to build on secure, reliable, high-performing foundations.
You will be responsible for
Lead, inspire and mentor a team of talented engineers.
Operate as a cross-functional leader within R&D, coordinating across multiple teams to ensure strategic and operational alignment.
Work closely with the team to ensure the implementation of best coding and engineering practices.
Drive the design and architecture of platform services, ensuring scalability, maintainability, and alignment with overall technical vision.
Take ownership of project deliverables, ensuring timely and high-quality delivery.
Make an impact in the Platform Services domain by translating the needs into requirements and solutions.
Ensure that code quality, performance, best practices and design standards are met.
Collaborating effectively with other teams, while also showcasing independent problem-solving abilities.
Continuously improve the teams processes.

We are looking for a talented Senior Backend Developer to join our Infrastructure Team, supporting the server-side foundation of our mobile security product. Our team builds and maintains the core microservices and backend infrastructure that power protection, monitoring, and real-time decision-making for millions of mobile devices worldwide.

You will work in a hybrid environment, collaborating closely with highly skilled engineers within an agile, sprint-based process. This role is central to ensuring the performance, reliability, and scalability of our backend ecosystem, enabling seamless integration with mobile clients and supporting global, multi-region deployments.

Key Responsibilities
Design, develop, and maintain high-quality backend microservices and internal infrastructure components for our large-scale platform.
Own features end-to-end in an agile CI/CD environment-architecture, implementation, testing, deployment, and ongoing improvement.
Ensure the scalability, reliability, and resilience of infrastructure services supporting a rapidly growing global user base.
Work extensively with distributed systems, including technologies such as PostgreSQL, Redis, RabbitMQ, and Elasticsearch, optimizing performance and resource usage.
Implement and uphold observability best practices (metrics, logs, tracing) using tools like Prometheus and Grafana to maintain system health and diagnose issues quickly.
Collaborate closely with product managers, client-side developers, and DevOps teams to deliver robust, secure, and efficient infrastructure capabilities.
Drive continuous improvement by evaluating and adopting new tools, frameworks, and architectural patterns that contribute to operational excellence.
Mentor and guide other engineers, contributing to a culture of technical leadership, ownership, and knowledge sharing.

At our company, we are committed to building a safer digital future. As a Principal Software Engineer in Cortex Cloud, you will work at the forefront of cybersecurity innovation, building cloud-native solutions that protect some of the largest organizations in the world. This is a unique opportunity to be part of a team building a new product from the ground up, shaping the architecture, technology stack, and engineering practices from day one.
Youll not only write great code youll influence product strategy, design scalable systems, and help drive key decisions that will shape the future of cloud workload protection.
A key part of this role is championing and leveraging the latest generative AI tools and assistants (such as Gemini) in your day-to-day engineering workflow. We expect you to utilize these advanced tools to accelerate the development lifecyclefrom ideation and coding to root-cause analysis, testing, and system optimization.
Click HERE for more information about our product
Your Impact
Play a key role in building cloud-native security features that protect real-world workloads from malware, secrets exposure, and other threats
Lead the development of major features from product discussions and technical design to implementation and testing
Design and build scalable backend services using Golang and modern cloud-native technologies
Research and integrate new technologies to improve detection, performance, and platform capabilities
Help define best practices and drive engineering excellence across the team.

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.

we are looking for a Senior Software Engineer.
You will be responsible for:
Designing, implementing, and optimizing large-scale backend services
Leading development efforts and collaborating on architecture decisions
Ensuring service reliability, scalability, and performance
Writing high-quality, testable, and maintainable code
Mentoring junior engineers and fostering best practices across the team
Driving technical improvements and contributing to the teams roadmap

Required Backend Engineer
Description
About the team:
The team ensures that all our customers operate on a modern, scalable, and reliable platform. We build both backend and frontend capabilities that bring established product functionality into our modern experience, while also developing new, high-impact features based on customer needs. Our work improves stability, reduces friction, and elevates the overall experience for both existing and new customers. By owning critical systems, integrations, and UI components, we drive our continuous product evolution and support AI-enhanced service delivery at global scale.
Key Responsibilities
Develop and maintain backend services using Java, Spring, and modern frameworks.
Design, build, and optimize RESTful APIs for seamless integration with frontend applications and external services.
Develop and integrate AI agents and backend services leveraging Large Language Models (LLMs) where relevant.
Work with SQL databases (MySQL) and implement efficient data access and optimization patterns.
Collaborate closely with Product, Frontend, and DevOps teams to deliver secure, robust, and scalable solutions.
Deploy, monitor, and maintain Java services in cloud environments such as AWS, including usage of Docker/Kubernetes where applicable.
Ensure high code quality through automated testing, peer reviews, and adherence to secure coding best practices.
Participate in system architecture design and contribute to ongoing process and technology improvements.

The Backend Infrastructure Team at plays a crucial role in shaping the platform's core. By seamlessly blending TypeScript and Python frameworks with self-serve operations capabilities, we support our R&D organization and ensure our platform is performant and reliable, adapting to the growing demands for our product in the digital asset space. This makes it an ideal place for those who thrive on innovation and aim to make a large-scale impact
What You'll Do:
Creating and deploying core software infrastructure components at scale.
Maintaining and enhancing our internal Typescript frameworks, tools, and platforms essential for product engineering teams throughout the software development lifecycle.
Introducing self-service deployment capabilities to empower R&D teams.
Advocating for and enforcing standards and best practices.
Leading and educating through knowledge sharing via documentation, knowledge-base articles, blogs, forums and presentations.
Addressing complex production issues and developing long-term solutions.
Contributing to the engineering and standardization of our CI/CD infrastructure.
Working closely with cross-functional teams to ensure the targeted availability, reliability, scalability, throughput and performance of our infrastructure while adhering to industry best practices and standards.

Were looking for a Senior Backend Engineer to join our core team and push forward the technology that powers our fraud prevention engine. In this role, youll work closely with Data Analysts and Data Scientists to evolve the logic, infrastructure, and performance of our decision-making systems.
Youll design and build high-performance backend services, improve latency and reliability at scale, and contribute to the architecture of a distributed microservices ecosystem running in Kubernetes. This is an opportunity to make a direct impact on our product, performance, and customers in a fast-moving startup environment where ownership, initiative, and curiosity truly matter.

We are looking for Senior Engineers who treat AI as a core part of their workflow - people who experiment, iterate, and know how to get real value out of AI tools. Flexibility, curiosity, and a problem-solving mindset are must-haves. In this role you will have the opportunity to take ownership of the development of groundbreaking, AI-driven products and work on interesting projects inside a smart, fun, and dynamic engineering team.
This position is based out of our Jerusalem or Tel-Aviv offices and reports to the Dev Team Lead.
What you will be responsible for
Write clean, high-quality, high-performance, maintainable code.
Ensure that the projects you work on meet business objectives and coding standards.
Support the deployment and testing of new products and features.
Collaborate with cross-functional teams to gather and analyze requirements, translating them into technical specifications.
Design and implement APIs and integrations with third-party services to enhance system functionality.
Optimize application performance through code profiling, monitoring, and refactoring as necessary.
Implement automated testing frameworks to ensure code robustness and reliability.
Participate in code reviews and provide constructive feedback to peers to foster continuous improvement.
Stay updated with emerging technologies, best practices, and industry trends to drive innovation within the team.
Assist in the establishment and enforcement of development standards and coding conventions.