Front End Developer

Ethereum Technologies; Maryland; On-site; USD 89,000 - 126,000; Full time

Job summary

Ethereum Technologies is seeking a Front End Developer (React.js & TypeScript) to join our Sparks Glencoe, MD team on a 12-month engagement. You will build scalable UI components, translate designs into interactive interfaces, and develop SPAs that connect to REST/GraphQL services.

Applicants should have 5+ years in frontend development, strong React/TS skills, and experience with state management, SSR/SSG knowledge, and modern tooling. On-site role with W-2/1099/C2C options.

Qualifications

• 5+ years of frontend experience.
• Experience building enterprise-level web apps.
• Experience designing reusable UI components.
• Experience integrating REST APIs and GraphQL.
• Understanding WCAG accessibility standards.
• Experience with Agile/Scrum.
• Experience with AWS services (Amplify/Lambda/EC2/S3).
• Knowledge of Azure or GCP.
• CI/CD pipelines experience.
• Familiarity with Terraform and IaC.
• Docker and Kubernetes preferred.
• Experience with AI-assisted development tools.

Responsibilities

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

Skills

Frontend development

Agile/Scrum

UI collaboration

Education

Bachelor's degree in CS/IT/SE

Tools

React.js

React Hooks

Redux/Zustand/Context API

Next.js

REST APIs/GraphQL

Git/GitHub/GitLab

Vite/Webpack

CI/CD (Jenkins/GitHub Actions/GitLab CI)

Docker/Kubernetes

Terraform

AWS Amplify/Lambda/EC2/S3

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.