Senior frontend Developer - TLV (5965)

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8471051

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08/12/2025

Fullstack Developer (Frontend-Focused) - Base44

חברה חסויה

Location: Tel Aviv-Yafo

Job Type: Full Time

We're looking for a talented Fullstack Developer to join our mission to change how products get built. You'll be a key player in a fast-moving, collaborative team, taking full ownership of features from polished user interfaces all the way down to the APIs that power them. If you're a passionate engineer who loves solving hard problems with clean, elegant code and building delightful user experiences, we want to hear from you.
TL;DR
We are looking for a Fullstack Developer with deep frontend experience to build end-to-end features on our AI platform.
You should be passionate about using AI to innovate both our product and your own development process.
The role includes working in a startup-mode environment.
What You'll Do
Own end-to-end features, designing and building scalable, high-quality frontends and the backend services that support them.
Tackle tough technical challenges with creative and efficient solutions, working on a cutting-edge, AI-powered platform.
Push your code to millions of users, creating fast, beautiful, and intuitive interfaces that make a tangible impact every day.
Champion clean architecture, maintainable UI components, and performance optimization.
Grow your expertise by learning from top-notch engineers and expanding your skills across both frontend and backend domains.
Influence our engineering culture by contributing to internal knowledge sharing and, if you're interested, the open-source community.

Requirements:
An experienced Fullstack Developer with a minimum of 5 years of professional experience and a strong desire to build complete, end-to-end products.
You have deep expertise in modern frontend frameworks such as React (and TypeScript, CSS-in-JS, or component-driven architectures).
Youre comfortable working with backend technologies like Python, Java, NodeJS, and understand how to build APIs that power great UIs.
You're passionate about using AI tools to build the product and improve the way we work.
Familiar with AI infrastructure and concepts (e.g., RAG, Tools, MCP).
A proactive and collaborative team player with strong reasoning and communication skills. You can effectively share your ideas while respecting others' approaches.
Focused on writing clean, simple, and maintainable code. You have a keen eye for design details, performance, and user experience.
You're able to quickly grasp large, complex systems and understand how frontend and backend parts connect.
Well-versed in software engineering best practices, including testing, code reviews, and identifying anti-patterns.
Comfortable working in a production environment and skilled in debugging complex frontend or fullstack issues.

This position is open to all candidates.

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8448560

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01/12/2025

Experienced Frontend Engineer

חברה חסויה

Location: Tel Aviv-Yafo

Job Type: Full Time

Required Experienced Frontend Engineer
Realize your potential by joining the leading performance-driven advertising company!
As an Experienced Frontend Engineer on the Core Engine Team, Web Supply, in our Tel Aviv Office, youll be at the forefront of building the technology behind our recommendation widgets experiences seen by billions of users every day across thousands of top websites.
Youll write clean, type-safe TypeScript code that powers high-performance, scalable frontend features. Youll dive deep into browser internals, optimize page performance, and experiment with cutting-edge web APIs all while seeing your work make a real impact in the world.
Youll also get to explore the latest in GenAI, integrating intelligent personalization into products that shape how users discover content. Collaborating closely with talented engineers and product teams, youll own features end-to-end, iterate quickly, and push the boundaries of whats possible in modern web development. This is your chance to grow, experiment, and leave your mark on a product used by millions every day.
How youll make an impact:
Build high-performance, type-safe features that power widgets seen by billions every day.
Optimize web performance and experiment with cutting-edge browser APIs.
Integrate GenAI and personalization to make content discovery smarter.
Own features end-to-end, from concept to deployment.
Collaborate with engineers, designers, and PMs to deliver elegant solutions.
Drive innovation through code quality, best practices, and performance improvements.

Requirements:
To thrive in this role, youll need:
4+ years of experience as a TypeScript or Frontend Engineer
Strong understanding of type systems, generics, interfaces, and the benefits of type safety in large-scale applications
Familiarity with modular architecture, bundlers (like Webpack or Rollup), and performance monitoring tools
A team player who can collaborate across domains, with engineers, analysts, product managers, and designers
Comfortable diving into large, complex codebases, and identifying areas for improvement or optimization
Proficient in: async programming, the Event Loop, debugging best practices, Chrome DevTools, and frontend performance tuning
Good understanding of: Git workflows, SQL basics, and frontend design patterns
Bonus points if you have:
Experience with modern testing frameworks such as Playwright, Jest, or Mocha
Familiarity with Agile, SCRUM, or Lean Startup methodologies
Exposure to ReactJS, AMP, Lighthouse, or CI/CD pipelines
Understanding of backend-related tools or languages (e.g., Java, Go, Docker, BigQuery, Kusto)
BSc in Computer Science or equivalent.

This position is open to all candidates.

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8437869

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09/12/2025

Frontend Developer

חברה חסויה

Location: Tel Aviv-Yafo

Job Type: Full Time

A leading start up in Identity, Authorization & Security, is seeking a frontend engineer to join our growing team to improve the end-to-end product features and align the R&D solution to the company's business needs and overcome new technology challenges. Our solution is based on Java, Go, and React, moving to SaaS with multi-tenancy based on microservices architecture. We are working in Agile with TDD/BDD and extreme programming processes to complete the end-to-end lifecycle of CI/CD. We're looking for you, to develop the next generation of our leading security product.
Here we put our people first. We strongly believe in teamwork and encourage and trust our people to reach higher, learn more, and live up to their potential.
What will you do?
React with coding hands-on ability
Some backend development (small part of this role consists of writing backend - Java,GO)
Set and meet the performances by KPIs
Establish a large-scale multi-tenancy cloud foundation solution
Work with cutting-edge technologies in a dynamic environment, where you can learn and mentor your team members
Collaborate with Product Managers, Backend Developers, and QA Engineers.

Requirements:
7+ years of experience building React-based applications, with strong knowledge of software architecture, design patterns, and scalable front-end infrastructure.
Hands-on experience using AI-assisted development tools (e.g., Cursor, GitHub Copilot, or similar) as part of the coding workflow including code generation, refactoring, and documentation.
Experience writing UI integration and component tests, using modern testing frameworks and best practices.
Proven ability to write high-performance, maintainable, and reusable code, with attention to developer experience and long-term code health.
Nginx experience an advantage.
Node.js experience an advantage.
Go or Java experience an advantage.
Background in authentication and authorization flows, including modern protocols an advantage.
Strong understanding of Cyber Security domain an advantage.

This position is open to all candidates.

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8450605

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לפני 5 שעות

Senior frontend engineer

חברה חסויה

Location: Tel Aviv-Yafo

Job Type: Full Time

we are looking for a Senior frontend engineer.
In this role, you will be responsible for:
Designing, building, and maintaining the companys frontend infrastructure and micro-frontend ecosystem.
Developing scalable shared libraries, utilities, and tooling used across all product teams.
Leading the creation and adoption of the company-wide design system.
Driving frontend architecture standards, best practices, and technical decisions.
Collaborating with engineering, product, and design teams to solve cross-application challenges.
Improving developer experience, build pipelines, and overall platform stability.
Mentoring engineers and influencing technical direction across the organization.

Requirements:
5+ years of experience as a Frontend Engineer with deep technical expertise.
Experience with React/ Vue/ Angular
Passionate about building scalable, company-wide infrastructure.
Enjoys tackling complex architectural challenges.
Leads projects end-to-end, from design to deployment.
Builds tools and systems that improve the productivity of dozens of developers.
Thrives in collaborative environments with clear and effective communication.
Influences through strong technical leadership rather than formal authority.
Comfortable working across the stack when needed.
Familiar with modern DevOps practices.
Continuously looks for ways to improve performance, developer experience, and UI consistency across large-scale applications.

This position is open to all candidates.

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8481143

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11/12/2025

Senior Frontend Engineer

חברה חסויה

Location: Tel Aviv-Yafo

Job Type: Full Time

Required Senior Frontend Engineer
The opportunity
Join the innovative and expanding team, a large-scale web platform delivering diverse content, news, games, videos, and more to millions of users. Were seeking a motivated, detail-oriented Front-End Engineer to craft seamless, high-performance experiences across browsers and WebViews. Youll work in a dynamic environment that brings together web front ends, backend services, and machine learning into a unified, complex system. This is an ideal role for engineers eager to make a substantial impact on a technically challenging product in a fast-paced setting.
What you'll be doing
Build and maintain React-based SPAs and NX-powered micro frontends
Implement high-quality TypeScript, HTML, and CSS
Translate Figma designs into reusable, responsive components and design systems
Optimize for WebView and multiple browsers, ensuring cross-platform consistency
Collaborate with product/design to iterate quickly and ship value.

Requirements:
4+ years of proven experience as a front-end engineer building React applications
Collaborative team player who thrives in fast-paced, dynamic environments
Solid understanding of software design principles and component-driven architecture
Strong problem-solving skills with excellent analytical thinking
Experience with modern web fundamentals: TypeScript/JavaScript, HTML, CSS and RESTful APIs.
Practical knowledge of performance optimization, accessibility, testing (Jest, Playwright), and build tooling (Vite, Nx)
You might also have
Android app development experience (Kotlin/Java, Android Studio)
React Native development for cross-platform mobile apps
Experience with performance profiling, mobile WebView optimization, and device-specific debugging.

This position is open to all candidates.

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8454301

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01/12/2025

Experienced Frontend Engineer

חברה חסויה

Location: Tel Aviv-Yafo

Job Type: Full Time

Required Experienced Frontend Engineer
Realize your potential by joining the leading performance-driven advertising company!
As a Frontend Engineer in Demand in our Tel Aviv Office, youll play a vital role in driving and shaping our key frontend projects, including innovative ad formats and the video player platform, leveraging big data to optimize performance and collaborating across teams to deliver impactful user experiences.
How youll make an impact:
Be a key member in our most important frontend projects.
Take a major part in our video player platform with a high impact on our performance.
Be responsible for creating, testing, deploying, monitoring, analyzing and maintaining all of a variety of new & innovative ad formats that reach billions of users and are used by thousands of advertisers (carousel, app install, video ads and many more)
Make professional decisions based on big data and performance metrics of billions of users, while putting emphasis on b usiness & page performance KPIs
Collaborate with the Product, Data and UX team throughout the company to iterate on the design and implementation of our product.
Stay up to date with latest browser features, Web APIs and related technologies such as Web Components, Lighthouse & Google Core Web Vitals, CDNs, A/B Testing at scale and many, many more.

Requirements:
4+ years programming experience in web development. Good understanding of JavaScript, CSS and HTML is a must. TypeScript and React knowledge is an advantage.
Familiarity with video players (VAST/VPAID/IMA protocols) big advantage.
Familiarity with DBs such as Vertica and MySQL big advantage.
Experience with cross browser and multi device support both responsiveness and feature support.
Familiarity with advanced low-level javascript/web concepts such as Event Loop, Performance API, XHR/JSONP, Browser paint cycle
Basic level of understanding of web fundamentals such as HTTP methods & headers, CDN & DNS, how HTTP servers work.
Team player, able to work in a fast-paced, dynamic environment and an independent learner.
BSc in Computer Science or equivalent
Bonus points if you have:
Familiarity with any of the following: Google AMP, Lighthouse, ReactJS, Gulp/Rollup/Webpack, NPM, Java, Maven, Go Lang, Docker, BigQuery, MySQL, Kusto, Grafana
Familiarity with methodologies such as Agile, Lean Startup, CI/CD, DevOps, TDD, Extreme Programming, SCRUM.

This position is open to all candidates.

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8437872

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01/12/2025

Senior Frontend Developer

חברה חסויה

Location: Tel Aviv-Yafo

Job Type: Full Time

As a Frontend Engineer at Gong, you'll lead the development of intuitive and scalable applications, collaborate closely with diverse teams, and drive impactful solutions in our innovative, fast-paced environment.

As a Senior Frontend Engineer, you will:

Be a major part of frontend guild, with Frontend developers from all the company teams.
Tackle complex technical challenges across architecture, code, and product levels, delivering solutions that balance practicality with innovation, considering both short-term needs and long-term impact.
Be the owner of the features you develop while collaborating with product and UX teams from thinking and wireframes processes to production.
Be part of our known architecture huddles when we make future decisions about our code and best practices.
Constantly learn new things - join professional lectures and workshops organized by Gong. In addition, each developer gets extra learning time on behalf of Gong to gain or improve new professional skills.
Be a part of a successful startup technology team that translates our vision into a solid SaaS product that performs, scales, is easy to use, and makes a big impact.

Requirements:
Have 5+ years of industry experience developing web applications.
Enjoy taking responsibility and having a strong sense of ownership over the product you help create.
Understand in depth how JavaScript works.
Have strong experience with React (must-have).
Are familiar with backend languages such as Java, Node.js, C#, or others (an advantage).
Have experience building large-scale, cloud-based web applications.
Have proven experience in the architecture of design systems and components.
Hold (preferably) a degree in computer science or a related field.
Communicate effectively and work well in a team, with strong verbal and written English skills.
Enjoy working both independently and within a team of highly skilled peers.

This position is open to all candidates.

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8437721

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22/12/2025

*Frontend Team Lead

חברה חסויה

Location: Tel Aviv-Yafo

Job Type: Full Time

We're looking for a talented and driven Frontend Team Lead to join our application team. As a hands-on leader, you'll guide and mentor a skilled group of engineers, collaborate closely with Product, Design, and Backend teams, and play a pivotal role in delivering innovative solutions that transform construction projects worldwide. You'll balance technical leadership and hands-on coding, working in a vibrant, collaborative environment to push the boundaries of technology in construction.

What You'll Do:

Lead, mentor, and grow a talented frontend engineering team, fostering an environment of innovation, technical excellence, and continuous growth.
Stay hands-on with development, working with React and TypeScript to build sophisticated user interfaces for interacting with complex data such as 360 videos, images, 2D floor plan maps, 3D models, and extensive data grids.
Collaborate daily with Product Managers, Designers, and Backend Engineers, ensuring alignment and efficient delivery of high-quality solutions.
Take active responsibility for hiring, training, and team-building activities to scale and enhance team capabilities.
Represent the frontend team in cross-functional discussions and planning meetings, ensuring technical considerations are effectively communicated.

Requirements:
5+ years of frontend engineering experience, including substantial hands-on experience with React and TypeScript.
Experience leading teams, mentoring developers, or managing significant projects. We're also open to exceptional senior engineers with strong informal leadership experience ready to step into their first formal management role.
Passion for solving complex technical problems, combined with excellent communication skills and strong technical intuition.
A collaborative, empowering leadership style that inspires and develops others.
Nice to Have:

Full-stack experience, particularly with Python and server-side technologies.
Previous experience in dynamic, fast-paced startup environments.

This position is open to all candidates.

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8468158

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03/12/2025

Senior Frontend Engineer

חברה חסויה

Location: Tel Aviv-Yafo

Job Type: Full Time

As a Senior frontend developer, you will play a crucial role in building our banking platform, financial products, and design system. You'll collaborate closely with product managers to define product requirements and with product designers to shape the UI/UX. Together, we'll create an innovative, customer-focused, end-to-end financial SaaS platform. This platform will also be utilized by our esh bank, making it an integral part of our industry-disrupting company.

If you are an experienced, professional React Frontend Developer who thrives on challenges, values clean code, and has a pixel-perfect orientation, we invite you to join us in developing the next big thing in finance.

Responsibilities
You, as our Frontend Developer:
Be a squad member in one of our scrum product squads and work closely with all other squad members (backend, qa, product).
Develop a user-friendly and accessible interface based on product design.
Write and maintain unit and integration tests using Jest and/or other testing frameworks.
Write clean, maintainable, and scalable code while making sure our customers are having the best experience.
Open and approve pull request for other guild members while implementing guild coding standards.
Tackle tough problems and find creative ways to solve them.
Work on cutting-edge technologies and become an industry leader.

Requirements:
Requirements:
7+ years of hands on experience as a Web Software Developer working with a major framework/library (Angular/React/Vue).
2+ years of experience working with React.
Experience with Agile software development lifecycle.
Passion for being self-driven and continuously learning both in and out of the office.
Excellent communication skills and interpersonal skills .
Fluency in both English and Hebrew (written, spoken, and reading) is required.

Skills & knowledge:
Experience with testing frameworks such as Jest, React testing library.
Strong styling skills, CSS, Tailwind CSS.
2+ years of experience with Typescript.

Advantage:
Working with collaborative design tool such as Figma.
Experience with DSM and Storybook.
Experience with animations.
Relevant academic degree.

This position is open to all candidates.

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8441870

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01/12/2025

Senior Frontend Engineer

חברה חסויה

Location: Tel Aviv-Yafo

Job Type: Full Time

Required Senior Frontend Engineer
Realize your potential by joining the leading performance-driven advertising company!
As a Senior Frontend engineer on the Revenue & Spend Team in our Tel Aviv Office, youll play a vital role in designing, optimizing and implementing our client products . Your impact will be created by fast development and testing of new features, allowing an uplift of our revenue and incremental impact. Allowing business to introduce new Products and features, bridging between Demand and supply and by this creating new streams of Revenue.
How youll make an impact:
Work on our recommendations widgets our flagship product which stands at the intersection of end-users, publishers and advertisers
Become a frontend expert by getting to know the latest Web APIs, mastering concepts such as Page Performance, Event Loop, browser rendering flow, A/B Testing at scale, and much, much more
Write sophisticated, efficient, high-quality, tested frontend business logic. Build the tools required for monitoring your features in production. Iteratively develop custom experiments
Perform code reviews and directly influence the quality of our code. Be a focal point and advisor to other teams in R&D on matters related to frontend
Write code that reaches literally billions of people. Work on a product used by everyone you know, deployed on thousands of websites, with hundreds of millions of daily active users
Get to personally work with big-name clients such as Ynet, Walla, MSN, Bloomberg, and more.

Requirements:
+6 years of experience as a Frontend Engineer
A team player who is able to collaborate extensively with others
Are not afraid of jumping into an unfamiliar codebase and are capable of finding your way around
Have experience working on large, complex products that heavily rely on Javascript to function
Fairly familiar with: async Javascript programming, the Event Loop, debugging best practices, Chrome DevTools, performance best practices
Have basic familiarity with: Design patterns, Git, SQL queries
Familiarity with methodologies such as Agile, Lean Startup, DevOps, SCRUM
Experience writing tests Playwright, Selenium, Jasmine, Jest, Karma, Mocha, etc
Bonus points if you have:
Familiarity with methodologies such as Agile, Lean Startup, DevOps, SCRUM
Experience writing tests Playwright, Selenium, Jasmine, Jest, Karma, Mocha, etc
Familiarity with any of the following: Google AMP, Lighthouse, ReactJS or other frameworks, Gulp/Rollup/Webpack, Java, Go Lang, Docker, BigQuery, MySQL, Kusto, Grafana
BSc in Computer Science or equivalent.

This position is open to all candidates.

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