Why This Job is Featured on The SaaS Jobs
This Senior Frontend Developer role stands out in SaaS because it sits at the intersection of product UX and platform-grade security. Working on a cybersecurity SaaS product typically means building interfaces that surface complex policy and access concepts in a way that remains usable, consistent, and auditable. The emphasis on React, architecture, and performance suggests a UI layer that is central to how customers configure and operate the platform, not a thin presentation tier.
From a SaaS career perspective, the role offers exposure to the mechanics that differentiate durable subscription products: maintainability over time, measurable performance targets, and disciplined delivery through CI/CD and modern testing. Collaboration across Product, Backend, and QA maps closely to how SaaS teams ship iterative improvements while protecting reliability. Limited backend involvement also supports a broader product-engineering skill set without turning the position into a full-stack mandate.
This position is best suited to an engineer who prefers hands-on ownership of frontend systems, cares about code health, and is comfortable making architectural trade-offs. It will fit someone who enjoys translating security-adjacent requirements into coherent workflows and who values structured engineering practices, including AI-assisted development as part of the day-to-day toolkit.
The section above is editorial commentary from The SaaS Jobs, provided to help SaaS professionals understand the role in a broader industry context.
Job Description
Senior Frontend Developer
Description
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.
