Senior Frontend Developer

GCS Recruitment; Washington (District of Columbia); On-site; USD 120,000 - 180,000; Full time

Job summary

GCS Recruitment in Washington, DC is seeking a Full Stack Engineer to join our team. You will work across product, UX, and engineering to build scalable, high-performance applications using React.js on the frontend and Node.js, Golang, or Python on the backend.

The role emphasizes cloud-native development with AWS, microservices, and Kubernetes, plus Docker, CI/CD, and robust API design. Collaboration with cross-functional teams to deliver reliable features is essential.

Qualifications

• Strong React.js and full-stack development experience.
• Hands-on backend APIs using Node.js, Golang, or Python.
• Experience with AWS, Kubernetes, Docker, and CI/CD.
• Deep understanding of REST APIs, microservices, and distributed systems.
• Excellent problem-solving and communication skills.

Responsibilities

• Design and develop scalable frontend applications with React.js.
• Build backend APIs and services using Node.js, Golang, or Python.
• Create and manage microservices and distributed systems.
• Develop and deploy cloud-based apps on AWS.
• Work with Docker and Kubernetes for containerization and orchestration.
• Collaborate with product, UX, and engineering teams to ship features.
• Ensure frontend-backend integration with performance and reliability.
• Participate in code reviews, testing, debugging, and CI/CD automation.
• Document technical designs, APIs, and workflows.
• Align implementations with UX designs.

Skills

React.js

Node.js

Golang

Python

AWS

Kubernetes

Docker

CI/CD

REST APIs

microservices

distributed systems

live video platforms

video editing tools

LLM agents

MCP-based solutions

Tools

Docker

Kubernetes

AWS

CI/CD

Job description

Job Summary

We are looking for a Full Stack Engineer with strong experience in React.js, backend development, AWS, microservices, and Kubernetes. The ideal candidate will work closely with Product, UX, and Engineering teams to build scalable, high-performance applications and services.

Key Responsibilities

• Design and develop scalable frontend applications using React.js.
• Develop backend APIs and services using Node.js, Golang, and/or Python.
• Build and maintain microservices and distributed systems.
• Develop and deploy cloud-based applications using AWS.
• Work with Docker and Kubernetes for containerization and orchestration.
• Collaborate with Product Managers, UX Designers, and Engineers to deliver new features.
• Ensure seamless frontend and backend integration with a focus on performance and reliability.
• Participate in code reviews, testing, debugging, and CI/CD automation.
• Document technical designs, APIs, and workflows.
• Work closely with UX designers to ensure implementations match the intended user experience.

Required Skills

• Strong experience with React.js and full-stack development.
• Hands-on experience with Node.js, Golang, and/or Python.
• Experience with AWS, Kubernetes, Docker, and CI/CD.
• Strong understanding of REST APIs, microservices, and distributed systems.
• Good problem-solving and communication skills.

Preferred Experience

• Experience with live video platforms and video editing tools.
• Experience building LLM agents and MCP-based solutions.
• Strong experience with Golang.
• Production experience with Kubernetes.