Senior Frontend Engineer
Summary
Senior Frontend Engineer at Plan A Technologies building and modernizing user-facing applications within a micro-frontend ecosystem using React, JavaScript/TypeScript, Redux, and React Query in AWS-backed environments.
JOB OVERVIEW
Plan A Technologies is looking for a skilled Senior Frontend Engineer to help evolve a large-scale digital platform. This role focuses on delivering and modernizing user-facing applications within a micro-frontend ecosystem, while enabling future growth, improved onboarding, and greater flexibility across the platform.
You will contribute to both new feature development and modernization initiatives, working alongside product, design, backend, and platform teams in a highly collaborative environment.
Please note: you must have at least 5+ years of experience as a Frontend React Engineer to be considered for this role.
JOB RESPONSIBILITY
Design, build, and maintain frontend applications using modern JavaScript frameworks.
Work within a micro-frontend architecture to deliver scalable and maintainable solutions.
Implement and manage application state using Redux, React Query, or similar tools.
Partner with Product, Design, QA, and DevOps to deliver high-quality releases.
Participate in code reviews, technical discussions, and architectural decisions.
EXPERIENCE
BS in Computer Science, Software Engineering or equivalent.
6+ years of professional experience in frontend development.
5+ years of hands-on experience with React in production environments.
Strong proficiency in JavaScript and/or TypeScript, HTML, and CSS.
Experience working with state management libraries (Redux, React Query, etc).
Familiarity with micro-frontend patterns and distributed frontend systems.
Experience with feature flagging or experimentation tools such as Statsig, LaunchDarkly, or Optimizely.
Background in standardizing or scaling CSS systems across multiple applications.
Experience working in AWS-based environments or alongside cloud infrastructure teams.
Familiarity with large-scale migrations, including monolith decomposition.
Experience in high-growth, platform-centric, or post-acquisition environments.
Excellent verbal and written English communication skills.
Initiative and drive to do great things.
ABOUT THE COMPANY/BENEFITS
Plan A Technologies is a global engineering firm created to solve the toughest tech challenges facing today’s businesses. Founded by software entrepreneurs Aron Ezra and Slav Kulik, Plan A helps organizations analyze their tech ecosystem to identify exactly what needs to be improved across their products and infrastructure—and then builds the solutions to fix it.
Rather than offering theoretical ideas or software that never launches, Plan A combines elite engineering talent with custom-built, proprietary AI agents to deliver fast, secure, production-ready solutions. Its capabilities span proprietary AI agent deployment, custom software development, application modernization, data platforms, cloud migrations, systems integration, and practical technical advice.
With more than 500 successful product deployments completed worldwide, Plan A helps organizations of every size—from ambitious startups to global enterprises—modernize their systems, automate complex operations, and stay ahead of the technology curve.
Read more about us here: www.PlanAtechnologies.com
Location: Work From Home 100% of the time, or come into one of our global offices. Up to you.
Great colleagues and an upbeat work environment: You'll join an excellent team of supportive engineers and project managers who work hard but don't ever compete with each other.
Benefits: Vacation, Brand New Laptop, and More: You’ll get a generous vacation schedule and other goodies.
If this sounds like you, we'd love to hear from you!