דרושים » הנדסה » Senior Frontend Engineer

a leader in cloud-native networking software for Hyperscalers and service providers who are building the largest infrastructures in the world for network services and AI platforms. Founded in December 2015, disrupted some of the most challenging high-scale markets, transforming the way Networks are built, scaled, and consumed. We also built the largest network in the world, with more than half of AT&Ts backbone running on Network Cloud. has raised $587 million in three funding rounds which enable us to dream big and bring on the most talented people.

The Role
We are looking for a UI Platform Team Lead to join our Network Orchestration group. Our group is responsible for developing scalable, high-performance distributed systems that support complex network infrastructures.

As a Team Leader, you will drive the architecture, design, and development of core UI infrastructures and component libraries that support multiple development teams. You will lead a team of 4+ frontend engineers, define best practices, and ensure the scalability and maintainability of the UI architecture. This role requires a combination of technical expertise, leadership, and strategic vision.
Our group is growing, and you will play a key role in building and expanding the team. You'll have the opportunity to optimize and enhance key parts of our system, leveraging the latest tools and infrastructure to drive innovation and efficiency.
We embrace an agile mindset you should be comfortable with context switching, handling multiple priorities, and adapting quickly to changing requirements.

Responsibilities
Lead & mentor a high-performing development team in building advanced, scalable software solutions.
Lead the development and maintenance of reusable UI components, design systems, and frontend tooling.
Architect and optimize UI frameworks to ensure high performance, scalability, and maintainability.
Collaborate closely with development teams to provide seamless integration across applications.
Work closely with QA to implement best practices for testing and automation, ensuring high software quality and reliability.
Coordinate with Product Managers to align development with business priorities and roadmap planning.
Engage with UI/UX Designers to ensure an intuitive and high-quality user experience.
Work alongside the Project Manager to track progress, mitigate risks, and ensure timely delivery of features.
Define and enforce best practices, coding standards, and architectural guidelines for frontend development.
Stay updated with industry trends and emerging technologies to drive innovation in UI infrastructures.
Ensure cross-browser compatibility for all UI components.
Identify bottlenecks and optimize the frontend build process for improved developer experience.
Work with CI/CD pipelines to automate testing, deployment, and monitoring of UI libraries.

We are an ever-evolving company, driven by our passion for video.
Weve grown from a small start-up to a thriving business,
and have been a part of the biggest global ad agency for ten years.
Our main priority is maintaining our fun and determined environment
and keeping our employees engaged in their work.
We need people who are as passionate about video and the ad tech industry.
If you are ambitious, hardworking, and motivated, we want to get to know you!
a Video Discovery technology used by 100s of digital publishers across the world, empowering 350M monthly uniques with an engagement-based video experience that recommends video content users love.
About the Position
We are seeking a motivated Frontend Engineer to join our team and contribute to the development of our comprehensive Video Player and other client-side solutions.
As a Frontend Engineer, you will take part in our technical frontend development and drive the enhancement of our Player using JavaScript, Typescript and React. You will be responsible for developing new features and refining existing client-side solutions to align with our company goals. Your contributions will help in revolutionizing how video content is displayed, monetized, and analyzed.
Responsibilities:
Participate in the development of player and other next-gen products. Establish best practices, design patterns, and coding standards to ensure a high-quality codebase and maintainable architecture.
Participate in code reviews, troubleshoot issues, write unit tests, ensure adherence to frontend best practices, and promote continuous improvement.
Use your knowledge in front-end development to enhance the user experience of our Player, streamline workflows, and optimize usability.
Stay updated with the latest front-end technologies, frameworks, and best practices. Evaluate and introduce innovative solutions to improve frontend development processes, optimize performance, and ensure the scalability of the Player.
Work closely with other Front-end and back-end engineers, product managers, and data analysts to align front-end development efforts with the overall platform strategy. Collaborate on architectural decisions, backend integration, and cross-functional initiatives.

We are an ever-evolving company, driven by our passion for video.
Weve grown from a small start-up to a thriving business,
and have been a part of the biggest global ad agency for ten years.
Our main priority is maintaining our fun and determined environment
and keeping our employees engaged in their work.
We need people who are as passionate about video and the ad tech industry.
If you are ambitious, hardworking, and motivated, we want to get to know you!

a Video Discovery technology used by 100s of digital publishers across the world, empowering 350M monthly uniques with an engagement-based video experience that recommends video content users love.

About the Position
We are seeking a motivated Frontend Engineer to join our team and contribute to the development of our comprehensive Video Player and other client-side solutions.
As a Frontend Engineer, you will take part in our technical frontend development and drive the enhancement of our Player using JavaScript, Typescript and React. You will be responsible for developing new features and refining existing client-side solutions to align with our company goals. Your contributions will help in revolutionizing how video content is displayed, monetized, and analyzed.

Responsibilities:
Participate in the development of player and other next-gen products. Establish best practices, design patterns, and coding standards to ensure a high-quality codebase and maintainable architecture.
Participate in code reviews, troubleshoot issues, write unit tests, ensure adherence to frontend best practices, and promote continuous improvement.
Use your knowledge in front-end development to enhance the user experience of our Player, streamline workflows, and optimize usability.
Stay updated with the latest front-end technologies, frameworks, and best practices. Evaluate and introduce innovative solutions to improve frontend development processes, optimize performance, and ensure the scalability of the Player.
Work closely with other Front-end and back-end engineers, product managers, and data analysts to align front-end development efforts with the overall platform strategy. Collaborate on architectural decisions, backend integration, and cross-functional initiatives.

PayEm streamlines spend management with an intuitive platform serving finance teams and employees. Our solution features corporate cards, customizable request forms, flexible approval workflows, and real-time budget visibility integrated with ERP data. With AI-powered invoice processing and self-service purchase orders, PayEm reduces manual work for finance teams while maintaining transparency and control. Do you want to build software that truly makes an impact? At PayEm, we revolutionize global spend management and procurement by eliminating inefficiencies and automating the entire Request-to-Reconciliation process. Our platform seamlessly integrates with ERP systems, providing finance and procurement teams with smarter, tailored solutions. We care deeply about user experience—our goal is not just to build working software but to create intuitive, delightful interfaces. If you take frontend development seriously and are passionate about crafting seamless user experiences, we’d love to have you on board.

About The Role:
As a Frontend Software Engineer at PayEm, you will: Own features end-to-end – from understanding product requirements to designing, implementing, testing (including automation), deploying, and monitoring Build modern, scalable, and maintainable UI components that enhance the user experience. Work closely with product managers, designers, and backend engineers to develop high-quality solutions. Ensure best practices through code reviews, knowledge sharing, and mentoring Continuously improve the codebase , proactively refactoring, optimizing, and maintaining clean code standards.

We are looking for a highly skilled and versatile Senior Backend Engineer to join our development team. As a Senior Backend Engineer, you will be responsible for designing, developing, and maintaining the backend infrastructure and components of our platform. As part of your role, you will also work on the frontend aspects of our platform and collaborate with stakeholders and cross-functional teams to optimize full-cycle system performance.


Responsibilities:
Design, develop, and maintain backend systems and APIs to support our web applications.
Implement and optimize data storage solutions, including databases, to ensure efficient and reliable data management.
work closely with front-end developers to integrate backend functionalities and ensure a seamless user experience.
Collaborate with product managers, stakeholders, and cross-functional teams to gather requirements, translate them into technical specifications, troubleshoot and resolve backend-related issues, and optimize system performance.

We are looking for an experienced Senior Full Stack Engineer to join our core team and build the single source of truth for the financial world. In this role, you will create a platform that completely changes an industry.

Responsibilities
Design, develop, and maintain end-to-end web applications using modern frameworks and technologies.
Collaborate with product and design teams to implement features and shape product direction.
Participate in code reviews to maintain high code quality and share knowledge.
Troubleshoot, debug, and resolve technical issues quickly and efficiently.
Optimize application performance, scalability, and maintainability.
Stay up-to-date with industry trends and integrate best practices into your work.
Play a central role in building a complex and large-scale platform.
Contribute to architecture decisions and long-term product strategy.
Own development tasks from planning and design through deployment and monitoring.

our companys Bot Defender is a market leading product designed to safeguard online platforms and digital assets from automated bot attacks.
As a member of the Bot Defender Portal team, you will take part in a fullstack team, owning the management console which includes creation of Insights dashboards, product configuration, authorization, user provisioning and more.
This role involves end-to-end development of advanced client and server features, handling large-scale data, aggregations, and cutting-edge UI/UX design.
Collaboration with cross-functional teams including UX, product, engineers, and research will be integral as you lead feature development from inception through to deployment.
What you'll do:
Own and lead exciting and innovative client side features from scratch to production, with a great end-user experience and importance for the details.
Work on cutting-edge technologies in coding, data persistence, CI/CD pipelines, and data pipelines. This includes expertise in JavaScript, React, React-Query, Node.js, SQL and NoSQL databases like MongoDB and Redis, messaging systems such as Kafka, search technologies like Elastic, and cloud services such as GCP and BigQuery, among others!
Tackle tough problems and find creative ways to solve them.
Collaborate with different team members on shipping new features.
Help build the culture and foundation of the full-stack guild as we seek to grow and evolve.
Work with product/designer and implement features UI and backend end to end.
Maintaining production services, and experience analyzing and troubleshooting systems.

We're looking for a passionate React JS Developer to join our frontend team and help create intuitive interfaces for our cutting-edge AI technology. The ideal candidate will be an experienced JavaScript developer with leadership potential, ready to take their career to the next level.
What You'll Do:
- Ensure the technical feasibility of UI/UX designs
- Implement smart and elegant components to solve product challenges
- Build reusable code and libraries for future use
- Own your work as a team member and colleague
- Be proactive in designing solutions with the product and data teams
- Optimize our web applications for maximum speed.

Were looking for a highly motivated AI Developer to help design, build, and deploy intelligent agentic systems across our product ecosystem. In this role, you'll work at the intersection of machine learning, backend systems, and modern frontend technologies to deliver AI-first features that feel magical to users.
This is a hands-on, cross-functional role ideal for engineers who love building full-fledged featuresfrom data pipelines and LLM orchestration to intuitive UI experienceswith a strong product mindset.
Responsibilities:
AI Agent Design & Integration
Design and implement autonomous or semi-autonomous agents using LLMs (e.g., OpenAI, Anthropic, open-source models).
Work with prompt engineering, RAG pipelines, and tool/plugin integrations to enable agents to interact with internal and external systems.
Build scalable agent runtimes and orchestration layers (e.g., LangChain, Semantic Kernel, ReAct-based agents).
Fullstack Product Development
Own full-stack features end-to-end: from backend APIs and data models to React-based frontend interfaces.
Integrate AI/agent capabilities into customer-facing products with clean UX and measurable performance.
Collaborate closely with design, product, and data teams to bring ideas from concept to production.
Systems & Infrastructure
Build and maintain backend services and pipelines that support AI agents, including vector search, embeddings, function calling, and observability.
Optimize inference flows for performance and cost, potentially using streaming, caching, or local model inference.
Ensure systems are secure, reliable, and compliant with InfoSec standards.
Experimentation & Continuous Improvement
Rapidly prototype and iterate on new AI capabilities and user experiences.
Analyze performance and usage metrics to drive product and model improvements.
Stay up to date with the evolving AI toolchain and emerging agent architectures.

The Data-Apps team at our company is seeking a versatile Principal Full-Stack Engineer to lead the development of high-impact products for both internal stakeholders and external users. As a central member of our Research department, you will take full ownership of our AI-driven solutions architecture, design, and evolution, driving organization-wide technical strategies.
This role demands a proven leader with deep expertise in the development of backend, frontend, and cloud infrastructure, including Infrastructure as Code (IaC). You will drive the entire development lifecyclefrom conceptualization and system design to deployment and maintenanceensuring our solutions are scalable, secure, and aligned with business needs.
Youll work closely with AI researchers, data analysts, and medical researchers to develop solutions that maximize the impact of our companys AI technology.
This role is pivotal within our company, offering the opportunity to shape our technological landscape while driving the future of AI in healthcare.
Responsibilities
Architectural Leadership: Define and drive organization-wide technical strategies that shape our AI products and ensure long-term scalability and robustness.
Lead Full-Stack Project Development: Spearheaded a high-impact project, overseeing all technical stages from initial design to final deployment. This includes crafting user interfaces with modern frameworks and backend system architecture.
Implement Web Applications: Utilize ReactJS and VueJS alongside HTML and CSS to ensure seamless user experiences.
Develop Scalable Backend Systems: Build distributed, scalable backend solutions, optimizing for performance and reliability. Incorporate AWS cloud services, focusing on event-driven architecture for efficiency and scalability.
Incorporate Best Practices: Champion code quality, CI/CD processes, and agile methodologies to enhance team excellence and product reliability.
Strategic Collaboration and Influence: Engage with a diverse array of stakeholders, including users from different backgrounds, development teams, product managers, and project managers. Tailor development efforts to meet a wide range of user needs and business objectives, leveraging your technical expertise to influence product direction and strategy effectively.
Cost-Effective Design and Development: Strategize development and infrastructure design with an emphasis on cost efficiency, understanding the pricing and operational costs, and planning for sustainable growth.