Senior Frontend Developer

About The Position

We are looking for an experienced Frontend Engineer to join our R&D team and help build the next generation of our leading cybersecurity product. This role focuses on end-to-end user experience development using React, improving existing features, and contributing to a modern SaaS environment while working closely with Product, Backend, and QA teams. It is a hands-on position with direct influence on system architecture, performance, and code quality.

Key Responsibilities:

Develop complex React-based frontend components within a scalable SaaS product
Contribute to frontend architecture and scalable infrastructure design
Write high-performance, maintainable, and reusable code
Design and implement UI integration and component tests using modern testing frameworks
Collaborate closely with Product Managers, Backend Engineers, and QA teams
Participate in limited backend development using Java or Go
Work in an Agile environment with CI/CD, TDD/BDD, and Extreme Programming practices
Meet performance goals and product KPIs
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.

Nice to have

Experience working with Nginx
Experience with Node.js
Experience with Go or Java
Background in authentication and authorization flows and modern protocols
Understanding of the cybersecurity domain

Learn More about PlainID

PlainID is a global cybersecurity company and the market leader in Authorization, delivering a powerful platform for real-time access control, policy management, and secure digital transformation across modern enterprises.

Built for cloud-first and AI-driven environments, PlainID enables organizations to centralize and automate authorization decisions across applications, data, APIs, and infrastructure through a flexible, policy-based approach.

Trusted by leading enterprises worldwide, our technology supports secure multi-tenant SaaS, microservices, and hybrid cloud architectures—helping organizations strengthen security, meet regulatory requirements, and accelerate innovation.

Headquartered in Israel with a global presence, PlainID fosters a collaborative, people-first culture focused on learning, ownership, and meaningful impact.