Senior Frontend Developer

GCS Recruitment; Washington (District of Columbia); On-site; USD 90,000 - 130,000; Full time

Job summary

GCS Recruitment is seeking a Full Stack Engineer to join our engineering team in Washington, DC. You will work across product, UX, and engineering to build scalable, high-performance applications and services using modern frontend and backend technologies.

The role emphasizes React.js, Node.js, Golang, Python, AWS, microservices, and Kubernetes, with a strong focus on reliability, performance, and collaboration across cross-functional teams.

Qualifications

• 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.

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.

Skills

React.js

Full-stack development

REST APIs

Microservices

Distributed systems

CI/CD

Tools

Docker

Kubernetes

AWS

Node.js

Golang

Python

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.