Sr staff software engineer (frontend)

As a Senior Staff Software Engineer within Product Engineering, you will serve as a senior technical leader responsible for delivering complex frontend systems and driving technical excellence across multiple teams. You will collaborate closely with product management, design, backend, platform, and security partners to implement scalable, high-quality, and secure user experiences aligned with product goals.
In this role, you remain deeply hands-on while shaping technical solutions, mentoring engineers, and ensuring frontend systems meet performance, quality, and security expectations. You are expected to lead cross-team initiatives, resolve complex technical challenges, and partner with Principal Engineers to align execution with longer-term architectural direction.
Responsibilities
- Design and implement frontend architecture for complex, multi-team Saa S applications.
- Deliver and evolve shared UI components, frameworks, and frontend foundations used across products.
- Work closely with product, design, backend, platform, and security teams to translate requirements into robust frontend implementations.
- Conduct in-depth code and design reviews, focusing on maintainability, performance, accessibility, and security.
- Contribute hands-on to critical paths, complex UI flows, and performance-sensitive areas.
- Drive adoption of testing practices, secure coding standards, and accessibility guidelines within teams.
- Identify and remediate frontend quality gaps and security vulnerabilities, coordinating fixes across teams.
- Mentor engineers through design guidance, code reviews, and technical problem solving.
- Ensure frontend deliverables meet reliability, usability, and release-readiness standards.
- Support sprint planning, release execution, and cross-team coordination for frontend initiatives.
Requirements
- 10–14 years of professional software engineering experience with a strong focus on frontend development.
- Advanced expertise in Java Script and Type Script.
- Proven experience building production systems using React, Vue.js, or Angular.
- Demonstrated ability to design and scale maintainable frontend solutions.
- Strong understanding of browser behavior, rendering performance, and client-side security.
- Hands-on experience developing component libraries, design systems, and state management solutions.
- Experience integrating frontend applications with REST APIs, Web Sockets, and event-based data flows.
- Solid experience with automated testing including unit, integration, and end-to-end tests.
- Practical experience handling dependency upgrades, vulnerability fixes, and release-quality issues.
- Ability to collaborate effectively with cross-functional teams across regions.
- Strong problem-solving skills and sound technical judgment.
Good to Have
- Experience owning frontend delivery for large features or product areas.
- Hands-on exposure to build systems, bundlers, and performance tuning techniques.
- Experience contributing to or extending internal UI frameworks or tooling.
- Familiarity with monitoring front-end performance and diagnosing production issues.
- Enough exposure to real-time or data-intensive UI applications.
- Experience participating in technical RFCs or architecture reviews.
- Awareness of accessibility and internationalization considerations in modern web applications.
- Hands-on experience with AI-first development environments (e.g., Claude Code, Cursor) and a proven ability to leverage LLMs for rapid prototyping, debugging, and boilerplate reduction while maintaining deep technical oversight.