Senior React Developer / Engineering Manager

Powering Performance Marketplaces in Digital Media

QuinStreet is a pioneer in powering decentralized online marketplaces that match searchers and “research and compare” consumers with brands. We run these virtual- and private-label marketplaces in one of the nation’s largest media networks.

Our industry leading segmentation and AI-driven matching technologies help consumers find better solutions and brands faster. They allow brands to target and reach in-market customer prospects with pinpoint segment-by-segment accuracy, and to pay only for performance results.

Our campaign-results-driven matching decision engines and optimization algorithms are built from over 20 years and billions of dollars of online media experience.

We believe in:

• The direct measurability of digital media.


• Performance marketing. (We pioneered it.)


• The advantages of technology.

We bring all this together to deliver truly great results for consumers and brands in the world’s biggest channel.

About QuinStreet:

QuinStreet is a leading digital marketing and media company that empowers millions of people to make informed decisions and connect with the products and services they need. Our innovative technology solutions and data-driven approach ensure our clients achieve their marketing goals efficiently and effectively

About the Role

We are seeking a Senior React Developer / Engineering Manager to lead the design, development, and delivery of scalable frontend applications. This role requires a blend of deep technical expertise, architectural thinking, and team leadership.

You will own the frontend ecosystem end-to-end, drive engineering excellence, and lead a team to build high-performance, user-centric web applications aligned with business goals.

Key Responsibilities

1. Frontend Architecture & Technical Leadership

• Define and implement scalable frontend architecture using React.


• Establish coding standards, design patterns, and best practices.


• Drive decisions on state management, modular architecture, and performance optimization.


• Ensure systems are secure, reliable, maintainable, and highly available.

1. Hands-on Development

• Develop and maintain robust, production-grade React applications.


• Convert product requirements and UX designs into clean, reusable code.


• Optimize applications for speed, scalability, and cross-browser compatibility.


• Integrate frontend systems with RESTful APIs and backend services.

1. Team Leadership & Ownership

• Lead, mentor, and grow a team of frontend engineers.


• Drive a culture of ownership, accountability, and continuous improvement.


• Conduct code reviews, technical guidance, and performance feedback.


• Own delivery timelines, quality, and execution excellence.

1. Cross-functional Collaboration

• Collaborate with Product Managers, UX Designers, Backend Engineers, and stakeholders.


• Translate business requirements into technical solutions and architecture.


• Participate in sprint planning, estimations, and roadmap discussions.

1. Performance & Operational Excellence

• Identify and resolve performance bottlenecks and scalability issues.


• Ensure adherence to CI/CD pipelines, testing strategies, and code quality standards.


• Maintain clear technical documentation and system design artifacts.

Required Qualifications

• 8+ years of software development experience.


• 5+ years of hands-on experience with React.js (mandatory).


• 3+ years of experience in frontend architecture/design.


• Strong proficiency in:




• JavaScript (ES6+), TypeScript


• React (Hooks, Context API, Redux or similar state management)


• REST APIs and asynchronous programming




• Experience with component libraries and design systems (e.g., Storybook).


• Strong understanding of:




• Web performance optimization


• Responsive and cross-browser development


• Accessibility standards (WCAG)

Preferred Qualifications

• Experience with micro-frontends or scalable frontend platforms.


• Familiarity with cloud platforms (AWS/GCP/Azure).


• Exposure to mobile app development (React Native or similar).


• Experience in Agile/Scrum environments.

Leadership & Soft Skills

• Proven experience in leading and mentoring engineering teams.


• Strong sense of ownership and accountability.


• Excellent communication and stakeholder management skills.


• Ability to manage multiple priorities in a fast-paced environment.


• Strategic thinker with a hands-on approach to execution.

Why Join Us

• Opportunity to own and shape frontend architecture at scale.


• Work with cross-functional teams on impactful products.


• A culture that values innovation, ownership, and continuous learning.


• Competitive compensation and growth opportunities.

QuinStreet is an equal opportunity employer. We do not discriminate on the basis of race, color, religion, national origin, pregnancy status, sex, age, marital status, disability, sexual orientation, gender identity or any other characteristics protected by law.

Please see QuinStreet’s Employee Privacy Notice here.