לוח משרות דרושים Senior Backend Developer בתל אביב יפו

We are looking for a tech-savvy Senior Backend Developer, experienced with a large variety of technologies and frameworks, such as GCP, Python, Go, K8S.
Your Impact:
Developing complex features, end-to-end, including reviewing requirements, providing technical design, leading the execution, and deploying to production
Designing and implementing an architecture that scales, while maintaining quality, when facing environments with thousands of entities
Learning and utilizing the latest technologies in the market - Cloud infrastructure, GCP, K8S, Terraform, TypeScript, NodeJS, Python, and Golang.

We are looking for a Senior Principal Backend Engineer to join our Cortex Platform team and help us to prevent, detect and respond to all runs on an integrated endpoint, network and cloud data - reduce the noise and focus on real threats.
Your Impact
You will be a part of a group with the mentality and independence of a startup, supported by the power of a successful corporation You will design and build an infrastructure that supports billions of events per second, storing, processing and making them accessible and visible to the user while collaborating with the industry's leading cyber products
You will be responsible for the complete software development life cycle including requirement analysis, design, development, deployment, and support You will write clean, testable, readable, fast and maintainable code that is efficient and scalable.

Were looking for a Back end developer to join our development team! As a Back end developer you will develop APIs, microservices, flexible interfaces, at massive scale across multiple continents.

Part of the role will include integration with multiple external APIs, processing of the data, and compiling it in a flexible way to accommodate various output requirements.

Responsibilities
● Write clean, maintainable, and efficient code while adhering to best practices and coding standards

● Optimize application performance and ensure smooth user experience across different devices and browsers

● Collaborate with stakeholders to understand requirements and translate them into technical solutions

● Stay up-to-date with emerging technologies and industry trends, evaluating their potential applications to enhance our e-commerce platform

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 an experienced, hands on Senior software engineer to join our fast growing company and in a breakthrough stage where we build our dream team with 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 of that without forgetting to enjoy the ride!
What Will You Do?
Take part of all development aspects from design to production of a wide hybrid/ cloud native product
Write high quality, testable and efficient code
Initiate and promote new ideas for continuous improvement of the product functionality
Work closely with other team members as well as mentoring new team members.

Required Senior Backend Scala Developer
The opportunity
Join our team working on an advanced ad-serving platform that powers millions of real-time interactions every second. As a Senior Backend Developer, youll play a key role in designing, developing, and maintaining a high-performance system that supports critical functionalities like targeting, attribution, budget management, and data pipelines for machine learning and reporting.Youll be expected to lead impactful projects, drive improvements in performance, scalability, and system reliability, and help shape solutions that directly influence the success of a globally recognized platform. We value bottom-up initiatives and encourage team members to bring their ideas to the table, fostering innovation and collaboration.
Why You'll Love This Role:
Take ownership of major projects and core features with significant business impact.
Work alongside skilled engineers in a fast-paced, high-scale environment.
Tackle challenging technical problems using cutting-edge tools like Kafka and Aerospike.
What you'll be doing
Design, develop, and monitor new features for the platform, including components supporting targeting, attribution, and budget management.
Maintain and optimize the performance of critical backend systems.
Refactor and improve legacy code to ensure scalability and efficiency.
Lead efforts to guarantee system reliability and low latency in a high-concurrency environment.
Collaborate with peers and across teams to deliver high-quality, production-ready solutions.

we are looking for a Senior Backend Engineer
What You'll Do:

Your Mission. Design, develop, and execute features from concept to production that will have a huge business impact on the core products at OpenWeb.
High Impact. Ramp up the technical level of your team and cross-backend engineers, raising the overall engineering quality across the organization.
Own your mission. Develop high-priority projects that contribute to making OpenWebs products the most scalable, high-velocity solutions on the market.
Lead. As part of a team developing a complex micro-services backend architecture, you'll work with the team and lead us towards solutions for large-scale challenges.
Dream Team. You'll join an agile dev squad of engineers who are all highly talented, very collaborative and excited to hear your opinion.
You will report to the Engineering Team Lead.

Required Principal Backend Engineer, Platform Foundations
What Youll Do:
Youll be part of the group responsible for our 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 look like:
You will be working on our 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.

Our Group specializes in providing comprehensive solutions for investing and trading across global markets, with a strong focus on the U.S. stock exchange. Established in 2010 in Cyprus, we are part of the group and provides advanced brokerage and trading services on Equities, CFDs, FX, and Crypto.
We are expanding our R&D team in Tel Aviv and looking for a talented Back-End Developer to join us.
This is a great opportunity to work in a dynamic FinTech environment, with cutting-edge technologies, and to make a real impact.
What youll do:
* Design, develop, and maintain scalable back-end systems.
* Build and optimize RESTful APIs.
* Work closely with cross-functional teams in a fast-paced, innovative environment.

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 an experienced Senior Backend Engineer to join our Data Services team. The Data Services team manages, provides and processes the large volumes of data, used by our Scientists and customers.

In this role, you will be responsible for building new cloud and on-prem data systems and infrastructure, as well as maintaining, improving, and enhancing serving systems, in order to provide highly usable, robust, and efficient data services.

Responsibilities:
Participate in the development of state-of-the-art auto-driving systems by managing the data required for training and validation.
Build efficient services to manage and provision large quantities of visual and other types of data.
Design, develop, and implement robust cloud and on-prem services.
Contribute to the selection and utilization of new AI technologies, databases, and third-party services.

We are building a purpose-driven digital marketplace that helps people find the homes, cars, and services they truly need faster, smarter, and more intuitively. We're seeking a passionate and experienced Senior backend Developer to join our team.

We are looking for a Staff Data Engineer to join our Platform group as part of the Data Infrastructure team. This is a senior individual contributor role for someone who combines deep technical expertise with a passion for building scalable, high-impact data infrastructure.
In this role, you will take ownership of designing, implementing, and evolving the data systems that power data orchestration, distributed storage, and streaming capabilities - with a focus on architecture, reliability, and performance. Youll collaborate across teams, influence engineering best practices, and help scale our infrastructure to support growing data needs across the organization.

our company has been redefining computer graphics, PC gaming, and accelerated computing for more than 25 years. Its an outstanding legacy of innovation thats motivated by extraordinary technology and amazing people. we are looking for an experienced Python Backend Developer to join our Air team the Digital Twin for Data Center Simulation web application.
As a Backend Python Developer, you will be responsible for designing, developing, and maintaining our web applications. This position offers the opportunity to have a real impact in an influential, technology-focused company impacting product lines that power the most advanced data centers in the world. We have crafted a team of outstanding people, whose mission is to push the frontiers of what is possible today and define the platform for the future of data center simulation and design.
What you'll be doing:
Collaborate with the development team to design and develop web applications using Python and Django framework.
Write clean, efficient, and maintainable code that adheres to industry standards.
Participate in code reviews and provide constructive feedback to ensure code quality.
Perform unit testing and debugging to identify and fix issues.
Work closely with product manager and architect teams to gather requirements, translate them into technical solutions, and deliver high-quality and scalable solutions.