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THE ROLE

A well-established satellite manufacturer is looking for a Front-End Application Engineer to help develop 2-3 new applications across web and desktop environments, focused on data visualisation, operational tooling and intuitive user interfaces.

The successful engineer will have architectural support but will be expected to lead the detailed front-end development and technical implementation.

CONTRACT

6-12 Month Contract (potential extension)£300 Per DayRemote working with occasional travel to London or Glasgow

WHAT YOU'LL BE DOING

Build and evolve 2-3 front-end applications for web and/or desktop.Develop data-rich and visually engaging interfaces using JavaScript/TypeScript and React.Help shape the front-end architecture, with architectural guidance available while owning the detail and implementation.Integrate applications with backend services and APIs.Contribute to CI/CD, using tools such as GitHub or Bitbucket, and cloud-based application development.Work closely with the wider team to deliver high-quality, production-ready applications.

KEY REQUIREMENTS

Strong commercial experience with JavaScript or TypeScript.Must have solid skills in React Strong UI/front-end development knowledge.Experience building and shipping production applications.Experience with data visualisation is highly desirable.Familiarity with CI/CD and GitHub or Bitbucket.Experience building applications in a cloud environment.Ability to work with different architectures and provide practical technical guidance.

WHAT NEXT…

If you're a Front-End Engineer with strong React skills looking for a long-term engagement, please hit apply!

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

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

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

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

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

Read less

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

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

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

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

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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.

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ResponsibilitiesDevelop and maintain responsive frontend applications using React.js.Build intuitive, user-friendly interfaces with a focus on performance and usability.Collaborate with Product Managers, UX Designers, and Backend Engineers to deliver new features.Integrate frontend applications with backend APIs and services.Work with AWS, CI/CD pipelines, and cloud-based platforms.Participate in code reviews, testing, debugging, and performance optimization.Collaborate with UX designers to ensure designs and requirements are implemented as intended.Document technical designs, workflows, and APIs.Mentor junior developers and contribute to frontend best practices.Requirements5+ years of frontend development experience.Strong expertise in React.js, JavaScript/TypeScript, HTML, and CSS.Experience with REST APIs, Git, responsive design, and frontend architecture.Familiarity with AWS, CI/CD, and backend technologies such as Node.js, Go, or Python.Strong problem-solving, communication, and teamwork skills.

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

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Job Title: Frontend React Engineer

Location: Washington, DC (Hybrid - 3 Days Onsite)

Job Description:

We're looking for a Frontend React Engineer to build enterprise-grade web applications with React.js and Node.js. This position involves creating responsive user experiences, integrating backend services, and deploying cloud-based applications using AWS technologies.

Responsibilities

Build responsive web interfaces using React.js, JavaScript/TypeScript, HTML5, and CSS3.Develop Node.js Backend-for-Frontend services.Integrate REST APIs and optimize application performance.Deploy applications with Docker and Kubernetes in AWS.Collaborate with product owners, backend engineers, and QA teams.Maintain code quality through testing and code reviews.

Required Qualifications

5-8 years of frontend development experience.Strong React.js expertise.JavaScript, TypeScript, HTML5, CSS3.Node.js.REST API integration.AWS, Docker, Kubernetes.Git and PostgreSQL.

Preferred Qualifications

ReduxAWS S3CI/CDGolangMedia processing or streaming experienceAI/LLM or MCP exposure

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

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