לוח משרות דרושים Backend Engineer

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 our company
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 our company
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.

Realize your potential by joining the leading performance-driven advertising company!
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.

We are seeking a Senior Software Engineer to join our global R&D department.

In this role, you will be the senior developer in the team, serving as both a hands-on expert for the most complex developments and the go-to person for any technical question or challenge. You will work closely with the team, acting as a mentor, guiding peers, and setting a high technical bar.

Your focus will be on building and scaling complex systems and Big Data pipelines, solving architectural and performance challenges and driving innovation in our core products.

What Youll Do

Lead hands-on development of complex features and components in our Big Data pipelines from concept to deployment
Serve as the go-to technical expert and problem solver for the team
Mentor team members, support their growth, and foster knowledge sharing
Investigate and adopt new technologies, driving innovation into the product
Take ownership across the full development lifecycle: from translating product requirements into designs, through coding and testing, to troubleshooting in production
Design for scalability, sustainability, and high performance in production-grade environments

We are looking for a Backend Engineer.
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.

We are seeking a Backend Engineer, passionate about AI and image editing to join our elite team and play a key role in Backend Engineering, MLOps, and Data Engineering, driving innovation and efficiency.
Responsibilities
Developing and optimizing scalable, distributed systems on cloud infrastructure (AWS/GCP/Azure), encompassing storage solutions, servers, and APIs.
Enhancing application efficiency for increased scalability and performance.
Implementing robust security measures to protect data integrity and privacy.
Collaborating with cross-functional teams to integrate backend systems with front-end platforms for a seamless user experience.
Conducting code reviews and ensuring adherence to best coding practices.
Monitoring and improving system health and performance, including troubleshooting and debugging issues.

We're looking for experienced and exceptional back-end JavaScript developers, with expertise in Node.js. MongoDB, Express, Kubernetes, RabbitMQ, Cassandra and Snowflake.
In this role, you will take full ownership of product and feature development, using cutting-edge technologies, in a fast-paced and professional agile environment.
Hybrid position for candidates located in Israel.
Responsibilities
End-to-end feature development, from conception to production.
Participate in system design and architecture planning, for optimal software performance.
Take on independent responsibilities, while contributing to the team's collective goals.
Actively learn, adapt and stay up-to-date with the evolving tech landscape, including best practices.

Required Backend Developer
Our Mission
Our vision is to let everyone enjoy financial freedom, regardless of their banking status, credit score, or other obsolete metrics.
Our platform does just that, without depending on the traditional banking system.
We provide digital financial services for a variety of populations, serving tens of thousands of customers every month.
Using cutting-edge technologies and our global financial network, we provide our customers, individuals, or businesses, advanced services including multi-currency accounts, international Visa cards, and real-time cross-border payments, with expertise in hard to reach destinations.
Responsibilities:
As a Backend developer, you will work on our financial core.
Tackle complex challenges both in business and scale/performance related.
Own new developments from design to deployment.
Work closely with various teams in the company - product, finance, operations, bizdev and others.
Strive for greatness - Ensure highest standards of architecture & design, performance, security and best practices are met.

As a Backend Engineer for Enterprise, you will be a key player in building the future of our B2B offerings. You'll tackle the complex challenges of creating secure, multi-tenant solutions for our largest clients. You will take full ownership of features from the database to the API, and collaborate with a talented team to deliver high-impact products in a fast-paced, iterative environment. You will:

Innovate and experiment with new technologies to design and develop multi-tenant enterprise solutions
Write modular, hands-on Scala or Java code, balancing rapid prototyping with long-term maintainability
Deliver scalable, high-quality products using an iterative, release-driven methodology
Collaborate closely with Product, QA, UX, and BI stakeholders to align on requirements and achieve team goals
Take full ownership of the development cycle, from database integration to API creation and deployment
Optimize the performance of complex, data-driven applications
Contribute to a culture of innovation and knowledge-sharing within the R&D community

Join a team of highly motivated developers to work together to fill growing software and scaling needs
Work on a range of customer-facing and internal projects, including scaling up our web-based and infrastructural software and internal security and insurance tools
Directly work on matters that are critical to the company, building software that is used actively by our insurance team and our customers whilst solving challenging software problems
Writing well-tested, organized and robust code to support a rapidly growing organization
Proactively taking on software tasks to give efficient turnaround to the requirements of the rest of our international company
Work in a modern software environment with continuously deployed and integrated code in our cloud-based infrastructure
Taking responsibility of your code, quickly responding to bugs and making sure new and existing software runs smoothly
Communicating and working openly with other developers to solve problems and produce high-quality code.

We are looking for a Sr. Backend Engineer.
Responsibilities:
Join a team of highly motivated developers to work together to fill growing software and scaling needs
Work on our cutting-edge Security SaaS product that redefines risk management and helps SMBs stay protected.
Directly work on matters that are critical to the company, building security product that is actively used by 10,000+ users, while tackling complex and challenging engineering problems
Writing well-tested, organized and robust code to support a rapidly growing organisation
Work in a modern software environment with continuously deployed and integrated code in our cloud-based infrastructure
Taking responsibility of your code, quickly responding to bugs and making sure new and existing software runs smoothly
Youll work closely with product managers, designers, QA experts, architects, and experienced developers to build cutting-edge solutions.

we are revolutionizing the way businesses interact with the digital world by revealing to them everything that happens online.
Our unique data and solutions empower over 4,300 customers globally, including industry giants like Google, eBay, and Adidas, to make game-changing decisions that drive their digital strategies.
In 2021, we went public on the New York Stock Exchange, and we continue to reach new heights! Come work alongside across the globe who are bright, curious, practical and good people.
Were looking for an Experienced Backend/Data Engineer to take an important part in data extraction team and play a key role in our growing data acquisition operation.
This role will report to Team manager- R&D.
Why is this role so important ?
a data-focused company, and data is the heart of our business. As a data server engineer, you will work in one of the companys core teams and design and implement complex, high-scale systems that retrieve and analyze data from around the internet.
Backend engineers on Data-Extraction are responsible for
Scraping - Building and maintaining high scale web-scraping operations.
Processing - Creating complex data pipelines that process and enrich our raw data and serve it to different consumers through various databases and data-lakes.
Engineering - Designing and building large scale, high quality systems to support our data infrastructure and production systems
As a Data-Server Engineer in Data Extraction you will:
Write complex PySpark applications that process, manipulate and validate large datasets, in high quality and under strict SLA.
Develop dockerized high performance microservices.
Take a major part in designing and implementing complex high scale systems using a large variety of technologies.
Work in a team with talented and independent engineers with whom youll be able to share knowledge and expertise.
learn new technologies, handle a multitude of systems.
Implement solutions in AWS cloud environment.
Take part in monitoring and debugging data pipelines and high scale services in order to identify and fix bottlenecks and failures.

We are looking for a Senior Backend Engineer.
As a Backend Developer, youll be building powerful features that push the boundaries of what technology can do in global trade. You'll work alongside a talented and diverse team of engineers, product minds, QA specialists, and domain expertseach bringing deep knowledge and fresh perspectives. In this role, youll take full ownership of complex backend systems, designing and developing robust server-side architecture from start to finish. We value independence, accountability, and the drive to turn ambitious ideas into production-ready reality.
Roles & Responsibilities:
Write scalable server-side code using Python.
Work in AWS cloud environment
Implement and maintain RESTful APIs for seamless communication between FE and BE.
Work with rational/nosql/objectstores such as MongoDB, PostgreSQL, Neptune, s3 to store and retrieve data
Write clean, readable, quality and testable code writing.
Test and debug applications to ensure high quality and performance.
Review pull requests to ensure high quality and maintainable solutions.
Seeing through a project from conception to delivery.
Follow-up on new evolutions of technology and take initiative to understand how the development will look tomorrow and help us get there.

Required Backend Engineer- Data Oriented
Are you passionate about building systems that scale? Do you thrive on tackling complex challenges with cutting-edge technology?
The Isolation team is at the heart of our core processes, driving innovation and resilience at scale. We are a group of technophiles dedicated to pushing boundaries and redefining whats possible. We are on the lookout for a talented engineer who is ready to elevate our products to new heights, ensuring they are robust, scalable, and future-proof.
As a developer in our team, you will need to:
Tackle software engineering challenges in multiple languages and frameworks, including big data batch processing.
Own every product that the team manages, from ideation and planning, all the way to production and monitoring.
Teach and learn. We love to inspire and be inspired and make sure that each team member has their place to grow and excel.
Work both autonomously and collaboratively with the team and other teams.
Develop and maintain systems that process large amounts of data, including legacy systems and gradually re-write them.