לוח משרות דרושים Principal Engineer

we are looking for a talented and creative Principal Security Researcher with experience conducting low and high level research on Browsers to join our Cyber R&D.
What you'll be doing:

Lead browser and web research initiatives, setting direction and driving innovation across the team.

Design and build advanced data collection features in our SDK - ensuring performance, resilience, and privacy at scale.

Take ownership of the entire data flow process - from concept to implementation.
Collaborate with Engineering, Analytics, and Product teams to turn research into business value.

Act as a technical authority on browser technologies - mentoring others and shaping long-term strategy.

Ensure our SDK remains safe, stable, and effective across 100M+ users, staying ahead of browser and web standards.

We are hiring a Principal Software Engineer to join our team.
Your expertise is not just important but crucial. It guides our development efforts, ensures project quality and timely delivery, and fosters continuous learning and improvement. We value your skills and believe they are integral to our team's success.
Responsibilities:
Lead the development of new features and components for our platform.
Collaborate with cross-functional teams to define, design, and ship new features.
Mentor and guide senior FS developers, fostering an environment of continuous learning.
Ensure the technical feasibility of UI/UX designs.
Optimize applications for maximum speed and scalability.
Stay up-to-date with emerging technologies and apply them to operations and activities.
Oversee and ensure adherence to agile methodologies, keeping track of sprints and completing them on time.
Hiring, training, and mentoring new team members.
Organized and Focused: Ability to manage multiple tasks and projects efficiently.
Coachable and Trainable: Open to learning and listening to feedback from peers and colleagues.
Adaptable: Willingness to learn and grow as the company evolves and technology advances.

Were seeking a Principal Backend Engineer for one of our platform teams. Youll be able to make a real impact using varied and new technologies while we ensure you dont forget to have fun along the way!
As a Principal Engineer, you will drive the teams strategic technical direction and influence the direction of services and products for the platform. Oversees applied research and advanced engineering in the development of services or processes. Directs and coordinates activities necessary to understand business objectives and translate them into a technical roadmap, such as design reviews, service health monitoring processes, development and deployment processes, and standards. Collaboratively deliver various team requirements and goals to advance the platform.
You would use the latest technologies to build, design, develop, deploy, and scale our back-end service and lead the way to keep us using top-notch tools and paradigms.

Were seeking a Principal Backend Engineer for one of our platform teams. Youll be able to make a real impact using varied and new technologies while we ensure you dont forget to have fun along the way!
As a Principal Engineer, you will drive the teams strategic technical direction and influence the direction of services and products for the platform. Oversees applied research and advanced engineering in the development of services or processes. Directs and coordinates activities necessary to understand business objectives and translate them into a technical roadmap, such as design reviews, service health monitoring processes, development and deployment processes, and standards. Collaboratively deliver various team requirements and goals to advance the platform.
You would use the latest technologies to build, design, develop, deploy, and scale our back-end service and lead the way to keep us using top-notch tools and paradigms.

We are looking for a highly skilled Architect to help identifying direction, architecture and delivering our end point solution, creating a cohesive, simplified security offerings with an amazing customer experience. You will help create and run our end point architecture, collaborating with cross-functional teams across Engineering, Product Management, Marketing, Sales, and Support. This position will help defining the technological direction for how our links product value to customer outcomes. 
 
The Role 

Drive our company end point to be best of breed and competitive, define the needed architecture to support these capabilities.
Oversee development of production code, while providing guidance to more engineering as they take on different parts of a system for which you are the primary architect. 
Drive innovation and best practices to build competitive product.
Work with partners and leaders spanning multiple organizations and teams to help set product security vision as well as define and deliver on technical roadmaps. 
Provide technical feedback for critical platform and systems development outside of your primary product work you're doing. 
Drive complex projects and lead a team of engineers, building product that meets requirements. 
Deliver a consumer like experience across the technology stack.  
Problem solving, debug, and fix with advanced development skills 

Required Principal Engineer
Tel Aviv
We are using technology to transform transportation around the world. From changing a single persons daily commute to reducing humanitys collective environmental footprintwe've got huge goals.
As a Principal Infrastructure Software Engineer, you'll join our R&D center in Tel Aviv. You'll be a pivotal member of a cross-functional group working with multiple development teams to build the infrastructure, tooling, and standards for infrastructure and infra-related coding across our company's R&D. This role emphasizes research, programming, building scalable systems, and hands-on operational work in production environments. You'll play a critical role in shaping the future of transportation, affecting millions of riders daily worldwide.
What Youll Do:
Develop, drive, execute, and lead a long-term vision and strategy for our infrastructure, and tooling.
Create scalable, reliable, and efficient systems that enhance our technological foundation and support our growing scale and stability requirements.
Engage in hands-on coding and development, writing, building, deploying, and maintaining code in production environments.
Actively participate in day-to-day production operations alongside research and development, implementing real changes in production systems and directly addressing operational challenges.
Work closely with various development teams, moving between the four teams in our group as needed to address business objectives and tackle the biggest R&D challenges.
Work across a broad spectrum of technological disciplines, from network and operating system internals to high-level architecture planning.

Required Principal Engineer
Tel Aviv
We using technology to transform transportation around the world. From changing a single persons daily commute to reducing humanitys collective environmental footprint weve got huge goals.
As a Principal Engineer you will be instrumental in shaping the R&D Groups technical vision, working on high-impact projects crucial to the companys success. You will be a pivotal leader, guiding engineers and maintaining the highest standards of technical excellence. You will design, develop, test, deploy, maintain, and enhance software solutions, contributing to the development of our cutting-edge server software and scalable, robust infrastructure.
What Youll Do:
Shape the Groups technical landscape, driving innovation and technical excellence.
Influence the architectural design, making key decisions in how systems are structured.
Lead complex technical projects, ensuring timely delivery to meet key business objectives.
Provide technical leadership and expertise, and mentor engineers to reach the highest standards of technical excellence, fostering a culture of innovation and continuous improvement.
Drive system design, architecture, and integration efforts.
Collaborate with cross-functional teams to define project requirements and deliverables.
Develop high-quality code and participate in code reviews to ensure adherence to standards.
Stay current with industry trends, emerging technologies, and best practices to drive continuous improvement initiatives.

We are seeking a Full-Stack Software Engineer to join our team, responsible for validating third-party cloud AI models on our platforms. This role blends front-end development, back-end services, and cloud-native technologies to build end-to-end systems that ensure high-quality AI integrations for our customers.
Youll design and deliver scalable microservices and intuitive web interfaces that help benchmark, validate, and publish AI modelsplaying a key role in how customers experience AI on our enterprise platforms.
What you will do:
Build and maintain full-stack applications that power model validation pipelinesfrom backend microservices to front-end dashboards.
Develop clean, efficient APIs to automate model benchmarking, inference performance testing, and accuracy evaluation.
Design user-friendly web interfaces that visualize model insights and validation results for both internal teams and external users.
Contribute to CI/CD workflows for automated testing, deployment, and continuous integration of model validation tools.
Work closely with platform engineers, DevOps specialists, and data scientists to ensure a seamless AI model lifecycle experience.
Troubleshoot issues across the stack, improve performance, and ensure security and reliability across services.
Actively participate in agile processes, sprint planning, and technical reviews, contributing to a collaborative, high-performing team culture.
Share ideas that improve user experience, developer workflows, and validation system scalability.

We are looking for a Quality Engineer to join the team responsible for implementing, testing and maintaining a cloud service on our AI platforms. In this role, you will design, implement, and execute tests for the cloud service, ensuring that performance benchmarking, model accuracy, and integration pipelines are reliable, scalable, and robust.
You will help establish quality best practices across the cloud service and contribute to automated test frameworks that support CI/CD processes, while working closely with software engineers, data scientists, and platform teams to deliver high-quality experiences.
What you will do:
Design and develop automated test suites for backend services and front-end UIs involved in the cloud service
Validate the performance and accuracy evaluation pipelines to ensure reproducibility and correctness of model results
Build test coverage for APIs, microservices, and data processing components across the stack
Develop and execute performance, integration, and end-to-end tests
Collaborate with developers and other quality engineers to define test plans and acceptance criteria for new features
Integrate automated tests into CI/CD pipelines to support early issue detection and deployment confidence
Track, investigate, and document bugs and regressions, and help drive resolution
Continuously evaluate and improve testing frameworks and tooling
Participate in agile development practices and help foster a culture of quality across the team.

The OpenShift Service Mesh team is looking for a motivated Principal Software Engineer to join and grow with us. As a member of our team, you will help improve and optimize Istio for use within our enterprise Kubernetes platform. Using your expertise, you will work with us and the Istio community to deliver features, enhancements, and bug fixes for the benefit of our customers and the broader community of Istio users.
We provide an enjoyable and engaging work environment, with the opportunity for you to collaborate with dynamic and diverse agile teams, working around the world to create value for our customers and partners in an open source way. This is a great opportunity to hone your skills while working with a wide range of languages, frameworks, and technologies. You will become a part of the culture that makes us unique in the industry and youll work with communities passionate about open source software.
Responsibilities
Collaborate with peers and the Istio community on the design and development of features, enhancements, and bug fixes within Istio
Mentor and coach junior team members, and work with cross functional teams across
Develop examples demonstrating features of Istio within OpenShift
Engage with our support team to help them resolve customer issues
Work with our documentation team to improve documentation related to the use of Istio within OpenShift
Interact with globally distributed open source project teams and communities inside and outside.

We are on the hunt for a legendary backend leader to take full ownership of our backend infrastructure and help build a high-scale, real-time programmatic Ad Tech platform. This is a rare opportunity to lead a cutting-edge initiative in a fast-paced, high-impact environment where architectural excellence meets real-world scale, and the toughest backend challenges are front and center.
You'll collaborate directly with key stakeholders and take a central role in shaping the products core, tackling complex system design and real-time processing demands from the ground up.
Responsibilities
In this role, you will:
Own the architecture, design, and development of a high-performance, low-latency backend platform built for real-time programmatic advertising.
Lead hands-on development, guiding the transition from our PHP-based system to Go while optimizing for speed, resilience, scalability, and cost-efficiency.
Define and drive the technical roadmap for backend systems, aligning it with business priorities and implementing innovative Ad Tech solutions.
Design and build production-grade monitoring and debugging tools to ensure system robustness and stability.
Ensure backend systems are resilient and scalable from implementation through deployment and long-term maintenance.
Protect Castle Backend from the safety of its unscalable walls.

Were looking for a highly skilled and strategic Principal Technical Data Product to lead the vision, strategy, and execution of our data products. In this role, you will work cross-functionally with data engineering, analytics, business stakeholders, and external partners to deliver data-driven products that provide significant business value and empower decision-making across the domain.

As a Principal Technical Data Product, you will serve as the bridge between the data platforms (Data Lake, DWH) and their stakeholders - such as Risk & Compliance, Business, Product - by providing data models and solutions to support the decision-making process and Reporting.

If you enjoy working in a high-paced environment, leading data solutions, intrigued by data challenges, with intention to make an impact on the companys growth, then this is the right place for you.


What youll be spending your time on: 

Leading end-to-end data projects to create analytical & data tools and solutions that empower the company.
Prioritize initiatives based on business value, technical feasibility, and stakeholder needs.
Act as the main liaison between engineering, analytics, business units, and leadership teams.
Designs and leads scalable, long-term technical solutions.
Translate business & technical needs collaborate regularly with various stakeholders and translate business needs to technical data solutions and KPI definition by writing STT to be developed by data engineers.