Senior UI Developer: React Frontend + Cloud Microservices

GCS Recruitment; Washington (District of Columbia); On-site; USD 110,000 - 170,000; Full time

Job summary

GCS Recruitment is seeking a skilled frontend engineer to design, develop, and maintain responsive React.js applications with a strong emphasis on performance and accessibility.

You will work closely with Product Managers, UX/UI Designers, and cross-functional teams to deliver high-quality features, ensure backend integration, and help shape scalable, cloud-ready frontend architectures.

Qualifications

• Design, develop, and maintain responsive, scalable frontend applications in React.js.

Responsibilities

• Collaborate with Product Managers, UX/UI Designers, and Engineering teams to define, build, and deliver new features.

Skills

React.js

Frontend development

Performance optimization

Accessibility

Collaboration

UI/UX alignment

Tools

Node.js

Go

Python

AWS

CI/CD

Microservices

Job description

• Design, develop, and maintain responsive, scalable frontend applications using React.js, with a strong focus on performance, accessibility, and usability.
• Build intuitive, high-quality user interfaces that deliver a seamless and engaging user experience across devices.
• Develop, maintain, and integrate backend APIs and services using Node.js, Go, or Python.
• Collaborate closely with Product Managers, UX/UI Designers, and Engineering teams to define, build, and deliver new features and enhancements.
• Partner with UX designers to ensure implemented solutions accurately reflect the intended user experience, design specifications, and requirements.
• Ensure reliable and seamless integration between frontend applications, backend services, and third-party systems.
• Design, build, and maintain microservices and distributed systems using modern cloud-native technologies and compute platforms.
• Develop and support cloud-based applications and deployments, primarily leveraging AWS services.
• Contribute to CI/CD pipelines, deployment automation, and engineering best practices to improve development and release processes.
• Participate in code reviews, automated testing, debugging, and performance optimization to ensure high standards of code quality, reliability, and maintainability.
• Create and maintain clear technical documentation, including architecture and technical designs, workflows, APIs, and development processes.
• Troubleshoot production and development issues and work collaboratively with cross-functional teams to identify and implement effective solutions.
• Continuously evaluate and adopt modern technologies, tools, and engineering practices to improve product quality and development efficiency.

GCS is acting as an Employment Business in relation to this vacancy.