Front End Developer

Quantum Technologies. LLC; Maryland; On-site; USD 91,000 - 124,000; Full time

Job summary

Quantum Technologies. LLC is seeking a Front End Developer (React.js & TypeScript) in Sparks Glencoe, MD for a 12-month contract with extension options. You will build reusable UI components, translate designs into interfaces, and work with REST/GraphQL APIs to deliver scalable web applications.

Required 5+ years in frontend development, strong React/TS skills, and experience with modern tooling (Webpack/Vite, CI/CD, cloud services). On-site in Maryland with a collaborative Agile team.

Qualifications

• 5+ years of professional frontend development.
• Experience building responsive, enterprise-grade web apps.
• Designing reusable UI components and scalable frontend architectures.
• Integrating REST APIs and backend services.
• Knowledge of WCAG accessibility standards.
• Experience working in Agile/Scrum environments.
• Experience with AWS/Azure/GCP cloud services.
• CI/CD knowledge (Jenkins, GitHub Actions, GitLab CI/CD).
• Familiarity with Terraform and IaC practices.
• Docker and Kubernetes experience is preferred.

Responsibilities

• Build reusable, modular, scalable UI components using React Hooks and functional components.
• Translate UI/UX designs, wireframes, and requirements into interactive web interfaces.
• Develop SPAs with modern frontend architecture and state management.
• Integrate frontend apps with RESTful APIs and GraphQL services.
• Create responsive layouts using HTML5, CSS3, Flexbox, and CSS Grid.
• Implement micro-frontend architectures with Module Federation or similar.
• Optimize performance with lazy loading, code splitting, caching, and rendering optimizations.
• Develop and maintain reusable component libraries and enterprise design systems.
• Participate in code reviews, design discussions, and Agile development activities.

Skills

React.js

React Hooks

Functional components

HTML5

CSS3

Responsive design

State management (Redux / Zustand / 1)

Next.js

RESTful APIs

GraphQL

Axios / Fetch API

WCAG accessibility

Agile/Scrum

AI-assisted development tools

5+ years frontend experience

Education

Bachelor's degree in Computer Science / IT / Software Engineering

Tools

AWS Amplify

Lambda

EC2

S3

GitHub Actions

Jenkins

GitLab CI/CD

Docker

Kubernetes

Terraform

Vite

Webpack

NPM

Yarn

Git

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Job Title: Front End Developer (React.js & TypeScript)
Location: Sparks Glencoe, MD
Duration: 12 Months + Extension
Bill Rate: $78/hour (C2C)
Job Type: W-2, 1099, C2C
Client: To Be Discussed Later
Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Job Summary:

Frontend Engineering & Development Responsibilities:

• Build reusable, modular, and scalable UI components using React Hooks and functional components.
• Translate UI/UX designs, wireframes, and business requirements into interactive web interfaces.
• Develop single-page applications using modern frontend architecture and state management techniques.
• Integrate frontend applications with RESTful APIs and GraphQL services.
• Develop responsive layouts using HTML5, CSS3, Flexbox, CSS Grid, and modern styling frameworks.
• Implement micro-frontend architectures using Module Federation or similar technologies.
• Optimize application performance through lazy loading, code splitting, caching, and rendering optimization.
• Develop and maintain reusable component libraries and enterprise design systems.
• Participate in code reviews, technical design discussions, and Agile development activities.

Core Frontend Technologies & Frameworks:

• Hands-on experience with React.js, React Hooks, functional components, and React Router.
• Strong knowledge of HTML5, CSS3, responsive design, and modern UI development.
• Experience with Redux, Zustand, Context API, or other state management solutions.
• Knowledge of Next.js, server-side rendering (SSR), and static site generation (SSG).
• Experience with RESTful APIs, GraphQL, JSON, Axios, and Fetch API.
• Familiarity with Angular, Vue.js, or Lit is an added advantage.
• Experience with Vite, Webpack, npm, and Yarn build tools.
• Knowledge of Git, GitHub, GitLab, and pull-request-based development workflows.

Required Experience & Technical Qualifications:

• 5+ years of professional experience in frontend application development.
• Strong experience building responsive and enterprise-level web applications.
• Experience designing reusable UI components and scalable frontend architectures.
• Hands-on experience integrating REST APIs and backend services.
• Understanding of WCAG accessibility standards and responsive UI development.
• Experience working in Agile/Scrum development environments.
• Experience with AWS services such as Amplify, Lambda, EC2, S3, and cloud database services.
• Knowledge of Microsoft Azure or Google Cloud Platform.
• Experience with CI/CD pipelines using Jenkins, GitHub Actions, or GitLab CI/CD.
• Familiarity with Terraform and infrastructure-as-code practices.
• Experience with Docker and Kubernetes is preferred.
• Knowledge of monitoring, logging, and application performance tools.
• Hands-on experience with AI-assisted development tools such as GitHub Copilot, Amazon Q, Cursor, or Kiro.
• Familiarity with AI-assisted development workflows and prompt engineering is an advantage.

Education & Professional Qualifications:

• Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related discipline; equivalent professional experience may be considered.
• Strong understanding of software development lifecycle (SDLC) and modern frontend engineering practices.
• Experience collaborating with UI/UX designers, backend developers, QA engineers, and product teams.
• Excellent analytical, debugging, communication, and problem-solving skills.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.