דרושים » תוכנה » Backend Engineer

we are a world-leading online trading platform with hundreds of thousands of active users placing millions of trades a month.
Our mission is to disrupt the age-old trade markets by building digital technologies that make trading around the world accessible and more efficient.
What to Expect - The Role
We are looking for a highly motivated backend software engineer specializing in creating high-scale, distributed backend systems.
You must demonstrate strong software engineering skills, excellent interpersonal communication, extreme ownership, and the ability to accept and give meaningful technical feedback.
You will be responsible for designing architecture, writing correct, robust code, maintaining and improving existing functionality, and shipping new features.
You will work as part of a Scrum-Agile cross-functional team and collaborate with front-end engineers, quality engineers, product managers, and more.
The platform you help us build will scale novel functionality to millions of Plus users worldwide.
Our team strives to set the bar for real-time, high-scale, mission-critical trading systems. We want to work with people who are excited by this goal and have the talent to deliver on it.
What Youll Do - Responsibilities
Design and build scalable, high-availability mission-critical systems and APIs
Drive the migration of large-scale, distributed trading services towards cloud-native microservices
Solve problems using distributed, asynchronous messaging
Tackle technical challenges - performance, fault-tolerance, security, and live production issues
Work closely with product, DevOps\SRE, and infrastructure teams - we practice full-cycle development where developers own and operate what they build.
Mentor Jr engineers as a Senior member of the team.

Were looking for a Senior Software Engineer to join our growing R&D team. In this role, you will play a critical part in designing, building, and optimizing complex systems that power our AI-driven platform.
Youll work across the stack- primarily on backend services - with opportunities to influence architectural decisions and build highly scalable and performant systems.
Youll collaborate closely with AI, product, and frontend teams to bring advanced features to life and ensure a seamless, intelligent experience for our users.
This is a high-impact role for someone who is passionate about engineering excellence, eager to shape systems end-to-end, and ready to grow with a fast-moving, AI-first company.
Key Responsibilities:
Design, develop, and maintain robust backend systems and services.
Ensure the scalability, performance, and security of backend components.
Collaborate with front-end developers and data teams to integrate user-facing elements with server-side logic.
Optimize the platform's infrastructure to handle large-scale data processing and analysis.
Troubleshoot and debug complex issues, identifying and implementing the most effective solutions.
Contribute to the architecture and system design decisions for the backend infrastructure.
Stay up to date with industry trends and new technologies to continuously improve backend performance.

What Youll Do:
Youll be part of the group responsible for our companys main products. You will impact the work of developers in the group by designing, building and maintaining the core infrastructure of our solution and leading the research and development of new technologies as well as maintaining code standards and practices.
What does the day to day of Infrastructure Engineer at our company look like:
You will be working on our companys core B2B platform that serves tens of thousands of customers, serving hundreds of terabytes in production. Our backend engineers are responsible for the entire data lifecycle - from our endless datatlakes, through choosing the right serving methods and databases, all the way to our api services.
Your role will include:
Design and implement scalable backend services and libraries that are reusable and maintainable, serving as the foundation for various applications across the company.
Build and maintain tools that streamline development workflows, enabling product teams to focus on delivering business value.
Define and promote best practices for code quality, performance, and reliability, ensuring healthy production environments and rapid development cycles.
Lead the adoption and integration of AI tools to assist in code generation, testing, documentation, and debugging, thereby accelerating development processes.
Perform proof-of-concepts (POCs) on emerging technologies, including AI agents and platforms, to assess their applicability and benefits to our development ecosystem.
Drive cross-team technical projects aimed at improving infrastructure scalability, reliability, and developer experience.
Analyze and resolve complex production issues, ensuring minimal downtime and optimal performance.
Contribute to the evolution of our system architecture, ensuring it supports rapid development and scaling needs.

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

Required Experienced Backend Engineer, Audience Extension
Realize your potential by joining the leading performance-driven advertising company!
As an Experienced Backend Engineer in the Audience Extension team in our Tel-Aviv Office, youll be instrumental in building and optimizing our core infrastructure for managing RTB requests at scale, one of the biggest revenue driven operations in the company.
How youll make an impact:
As an Experienced Backend Engineer, youll bring value by:
Develop one of the largest real time big data operation in the world to support over 40TB of new data every day
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 hundreds of thousands of requests per second
Work on innovative projects that are the next growth engines for us
Here are some of the things software developers in our group did in the last several months:
A unique data pipeline for managing RTB requests at scale
An algorithmic model to predict if a given Real-Time impression is valuable to us
A smart gateway that ingests hundreds of thousands of requests per second for a single instance
An A/B tests system to explore variations and experiments
And many more
Our Tech Stack:
Java, Spark, Kafka, Hadoop, Cassandra, Vertica, MySQL, HDFS, BigQuery, Docker, Linux, Kubernetes, Prometheus, Grafana, Airflow.

We are looking for a talented Full Stack Engineer to join our growing web application engineering team.
This is a unique opportunity to join a high-performing, tech-driven environment where you will influence architecture, shape new features, and contribute to building a robust, scalable platform.
In this role, you will work across the stack - designing and developing end-to-end features, improving system performance, and helping build an engineering culture that emphasizes quality, reliability, and clean code.
You will collaborate closely with our Product, Data, and AI teams to build innovative, AI-driven capabilities that power the next generation of creative intelligence.
As part of a fast-moving startup and an industry leader, your contributions will directly impact our product evolution and customer experience.
Key responsibilities:
Design, develop, and own fullstack features end-to-end, from planning to deployment and monitoring.
Contribute to architectural decisions and help build scalable, maintainable systems.
Write clean, testable, and well-documented code while upholding high standards across the team.
Diagnose, debug, and resolve complex issues while continuously improving platform reliability.
Collaborate closely with cross-functional teams (Product, Data, AI) to deliver high-impact solutions.
Participate in code reviews, knowledge sharing, and ongoing improvements to development workflows.
Stay up to date with modern technologies and bring fresh ideas to improve efficiency, tools, and developer experience.

As a Senior Software engineer on our Email Security team, you will play a key role in shaping and delivering a cutting-edge email security solution within the Cortex platform. Your responsibilities will include designing and developing an infrastructure capable of supporting billions of events per second, collecting, storing, processing, and making them accessible, visible and actionable for users while seamlessly integrating with the industrys leading cyber-security products. You will design and build a highly available, reliable, and secure solution that adheres to the highest standards. Beyond development, your crucial role involves meaningful cross-organizational collaboration, driving a significant impact to ensure the success of our product. Our Cortex engineering group, primarily based in the TLV office, allows us to operate at a high pace with short decision-making loops. In this role, you will need to demonstrate creativity, innovation and deep knowledge in backend engineering, conducting research to find new technologies. A can-do approach, a passion for excellence and a commitment to continuous improvement are essential qualities for success in this position.
Your Impact
Huge! You shape the future! Take ownership of a brand new product, driving its development from concept and design to full implementation
Make a difference! Focus on meaningful, high impact work - No tiny tasks or endless bug fixes here! You will be building major parts of a groundbreaking new product
Conquer Scale challenges! Building a new offering designed to operate at massive scale
Lead Innovation! Dive into new cutting-edge technologies, researching and integrating them to enhance the products capabilities.

Were looking for a Tech Lead to join our team in our Tel Aviv office (Hybrid) with deep technical expertise who is excited to lead architecture, delivery, and culture across our Tel Aviv-based R&D team.
This is a hands-on tech lead role focused on owning business-critical products and driving cross-functional execution across design, product, DevOps, and engineering. Youll lead by example - mentoring others, delivering scalable systems, and owning reliability, performance, and velocity across your domain. Hybrid work is available.
Responsibilities:
This role involves approximately 70% backend development and 30% frontend, with a strong emphasis on building scalable backend systems.
Drive cross-functional technical initiatives and own end-to-end delivery of critical product features using a JavaScript-centric stack (Node.js, React, Next.js, TypeScript).
Guide the team through design reviews, technical tradeoffs, refactoring, software quality improvements, and long-term architectural planning.
Set technical direction for the team while aligning with company-wide product and architecture goals.
Multiply the impact of the team: mentor engineers, promote best practices, and raise the technical bar across the board.
Collaborate closely with Product, UX, QA, and other engineers to turn business goals into scalable systems.
Lead and mature CI/CD processes, DevOps collaboration, deployment automation, and cloud-native infrastructure practices.
Take ownership of production health: drive the culture and systems for monitoring, observability, and fast recovery from incidents.
Lead post-incident reviews, improve telemetry, and drive systemic fixes that improve reliability and developer feedback loops.

Required Experienced Backend Engineer
Realize your potential by joining the leading performance-driven advertising company!
As an Experienced Backend Engineer in Demand 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.
How youll make an impact:
As an Experienced Backend Engineer, youll bring value by:
Design and develop systems that help our advertisers manage budgets and optimize performance toward their business goals.
Build scalable, reliable solutions to process and analyze massive data sets and generate actionable insights.
Work on a large-scale, high-throughput recommendation system that impacts how billions of people discover the internet.
Leverage one of the worlds largest real-time big data operations, processing over 140TB of new data daily.
Take full ownership: design, build, launch, measure, and maintain products that help advertisers achieve their goals effectively and at scale.
Collaborate with talented engineers, data scientists, and product managers to create innovative, high-impact solutions.

What Youll Do:
Youll be part of the group responsible for our companys main products. You will impact the work of developers in the group by designing, building and maintaining the core infrastructure of our solution and leading the research and development of new technologies as well as maintaining code standards and practices.
What does the day to day of Infrastructure Engineer at our company look like:
You will be working on our companys core B2B platform that serves tens of thousands of customers, serving hundreds of terabytes in production. Our backend engineers are responsible for the entire data lifecycle - from our endless datatlakes, through choosing the right serving methods and databases, all the way to our api services.
Your role will include:
Design and implement scalable backend services and libraries that are reusable and maintainable, serving as the foundation for various applications across the company.
Build and maintain tools that streamline development workflows, enabling product teams to focus on delivering business value.
Define and promote best practices for code quality, performance, and reliability, ensuring healthy production environments and rapid development cycles.
Lead the adoption and integration of AI tools to assist in code generation, testing, documentation, and debugging, thereby accelerating development processes.
Perform proof-of-concepts (POCs) on emerging technologies, including AI agents and platforms, to assess their applicability and benefits to our development ecosystem.
Drive cross-team technical projects aimed at improving infrastructure scalability, reliability, and developer experience.
Analyze and resolve complex production issues, ensuring minimal downtime and optimal performance.
Contribute to the evolution of our system architecture, ensuring it supports rapid development and scaling needs.