39,000 Javascript Engineer jobs in the United States

? 8+ years of software development experience in a professional environment and/or comparable experience ? Strong proficiency and Hands-on coding experience in the following technology environment - React, Redux, Angular, NodeJS, GraphQL, REST based APIs, Java, Spring, Kotlin, GoLang, Couchbase, MongoDB, PostgreSQL, DB2, Akamai, AWS, Google Cloud Platform, Microsoft Azure? Experience with Spring Boot? Experience with SOAP ? Experience with kafka or equivalent a plus? Experience in web page performance optimization? Experience with testing tools such as Selenium, Cucumber, WebDriver IO, Karate, Junit, JMeter, LoadRunner, PostMan, WireMock, and others ? Experience with CI/CD tools such as GitHub, GitHub Actions, Jenkins, Sonar? Extensive hands-on experience with the design and development of complex, large scale distributed applications and products that require a deep understanding of architectural patterns, software development best practices, relational and non-relational databases, and automated testing ? Bachelor's degree in computer science, computer science engineering, or related experience required; advanced degree preferred? Design, develop, and maintain high-performance UI features? Collaborate with cross-functional teams to gather requirements, architect solutions, and implement features that meet business needs? Troubleshoot and debug production issues, conduct root cause analysis, and implement solutions to prevent recurrence? Stay updated on emerging technologies and industry trends, new tools and frameworks to improve efficiency and productivity? Communicate effectively with team members, stakeholders, and management to provide project updates, status reports, and technical recommendations.

Diverse Lynx LLC is an Equal Employment Opportunity employer. All qualified applicants will receive due consideration for employment without any discrimination. All applicants will be evaluated solely on the basis of their ability, competence and their proven capability to perform the functions outlined in the corresponding role. We promote and support a diverse workforce across all levels in the company.

? Develop and maintain responsive web applications using React.js? Build reusable components and front-end libraries for future use? Translate designs and wireframes into high-quality code? Optimize components for maximum performance across a wide array of web-capable devices and browsers? Collaborate with designers, back-end developers, and product managers to deliver scalable solutions? Integrate RESTful APIs and third-party services? Participate in code reviews and technical discussions

We have partnered with our client in their search for a React Developer for one of our clients in Columbus, OH

Responsibilities

• Developing modern UI using front end technologies like React and backend services like Spring, ECS, AWS, S3, RESTful services.
  
  Design React JS based components for customer facing applications.
  
  Understand existing flows and modernize using cloud based technologies like AWS, React, Spring Boot.
  
  Collaborate within and outside team to design and develop solutions, analysis and fixing issues.
  
  Executes software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems
  
  Creates secure and high-quality production code and maintains algorithms that run synchronously with appropriate systems
  
  Produces architecture and design artifacts for complex applications while being accountable for ensuring design constraints are met by software code development
  
  Gathers, analyzes, synthesizes, and develops visualizations and reporting from large, diverse data sets in service of continuous improvement of software applications and systems
  
  Proactively identifies hidden problems and patterns in data and uses these insights to drive improvements to coding hygiene and system architecture
  
  Contributes to software engineering communities of practice and events that explore new and emerging technologies
  
  Adds to team culture of diversity, equity, inclusion, and respect

• MUST have skills
  React JS - 2-3 years
  Java script 5+ years
  Websockets, - 2-3 years
  NodeJS - 2-3 years
  Cucumber, Jest, Cypress - 5+ years
  
  NICE to have skills
  Grafana, Splunk, Dynatrace,
  AWS
  Spring, Spring Boot,
  Scripting experience
  Frontend to backend ratio for this role: 80/20

• Degree BS BA or Equivalent
• Work Experience Software Engineering

• We are looking for a hands-on Technical Lead with deep expertise in React.js and/or React Native, who can lead frontend/mobile development across platforms. You will be responsible for designing architecture, enforcing best practices, mentoring developers, and ensuring high-performance delivery for customer-facing applications.

• Lead the design and development of scalable frontend/mobile architectures using React.js or React Native.
• Select and integrate suitable UI component libraries (e.g., MUI, Chakra UI, React Native Paper, Or custom third party libraries).
• Collaborate with product managers, designers, and backend engineers to deliver robust user interfaces and mobile apps.
• Implement performance optimizations, handle memory profiling, and debug UI bottlenecks in web/mobile environments.
• Guide the team on modern frontend best practices: lazy loading, code splitting, accessibility (a11y), and security (XSS/CSRF protection).
• Enforce testing strategy using Jest, React Testing Library, and detox/Appium (for React Native).
• Perform code reviews and drive adoption of clean code principles, SOLID, and DRY practices.
• Build and maintain CI/CD pipelines for web and mobile deployment via GitHub Actions, CircleCI, or Bitrise.
• Own documentation and on boarding practices for frontend/mobile codebases.
• Interface with backend teams to define API contracts and optimize network calls.

• 6+ years in frontend/mobile development, with at least 2 years in a Tech Lead role.
• Deep expertise in React.js and/or React Native (please clarify platform in resume).
• Strong understanding of JavaScript/TypeScript (ES6+), async patterns, and build tools (Webpack, Metro).
• Proficient in REST APIs, state management libraries (Redux, Zustand, Recoil), and query libs like React Query.
• Excellent problem-solving skills with experience in profiling and debugging performance issues in mobile/web UIs.
• Solid grasp of Git workflows, PR review process, and agile development practices.

• Experience integrating mobile apps with native modules (Android/iOS SDKs).
• Exposure to backend technologies (Node.js, Java) to facilitate full-stack integration.
• Familiarity with GraphQL, Storybook, and Monorepos (e.g., Nx, Turborepo).
• Hands-on with App Store/Play Store deployments and OTA updates (CodePush, EAS).

• Passion for mentorship and coaching junior developers.
• Experience conducting technical interviews and assessing frontend skills.
• Strong communication and stakeholder management skills.

• Develop new user-facing features using React.js.
• Build reusable components and front-end libraries for future use.
• Translate designs and wireframes into high-quality code.
• Optimize components for maximum performance across a vast array of web-capable devices and browsers.
• Coordinate with various teams working on distinct layers.
• As a React.js Developer, you will be involved in all stages of interface component design, from conception through to final testing.
• Work with other team members, including UI/UX designers and backend developers, to ensure that the application is visually appealing and has optimum performance.
• Implement automated testing integrated into development and maintenance workflows.
• Stay up-to-date with all recent developments in the JavaScript and React.js space.
• Keep an eye on security updates and issues found with React.js and all project dependencies.
• Propose any upgrades and updates necessary for keeping up with modern security and development best practices.

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Thorough understanding of React.js and its core principles.
• Prior experience with popular React.js workflows (such as Flux or Redux).
• Familiarity with more current specifications of EcmaScript.
• Experience with data structure libraries (e.g., Immutable.js).
• Knowledge of isomorphic React is a plus.
• Familiarity with RESTful APIs.
• Knowledge of modern authorization mechanisms, such as JSON Web Token.
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
• Ability to understand business requirements and translate them into technical requirements.
• A knack for benchmarking and optimization.

• Experience with React Native is a plus.
• Familiarity with code versioning tools such as Git, SVN, or Mercurial.

• 6+ Experience & strong programming skills in ReactJS (including modern features such as React hooks), ES6, Redux, Typescript and vanilla JavaScript
• Fluent in HTML5 and CSS3 and should be able to use Flex design pattern
• Thorough understanding in MVVM architecture pattern and UI grid structure
• Good knowledge and experience in API integration with backend services
• Experience with Analytics implementations like Adobe Analytics and Google Analytics
• Familiar with automated UI-based unit-testing frameworks like Jasmine and Karma
• Working experience and understanding of Agile methodologies (Scrum is a must)
• Technical hands on experience in all phases of SDLC especially Design, development right through to Production in Development projects

Hello,

Greetings!

This is Abhishek from Jconnect INC . Below is the requirement with my client. Please let me know if you are available for this role.

Title: React JS Developer

Location: Phoenix, Az or New York City,NY (Onsite)

Duration: Fulltime

JOB DESCRIPTION :

Skills Desired:
• Should have atleast 6+ years' experience in frontend development with strong proficiency in ReactJS
• Should have extensive knowledge on CSS, HTML, JavaScript
• Should have extensive hands-on experience in React JS
• Should have extensive hands-on experience in Recursive Programming
• Should have hands-on experience atleast in ES6, higher the better.
• Should have extensive hands-on experience in Design Language System - (DLS 6) to prepare more cohesive UI features.
• Also, associate should have the attitude to learn DLS7 and migrate applications from DLS6 to DLS 7
• Should have knowledge on SAAS integration with UI
• Knowledge on NodeJs would be an added advantage.
• Experience with cloud platforms and services and containerization technologies (e.g., Docker, Kubernetes)

If you are interested, please send me your updated resume ASAP with below details :

Full Name:

Current Location/Zip:

Contact Number:

E-Mail Id:

Alternate Email Id:

Visa/Work Permit Status:

Current Rate/Salary:

Expected Base Salary:

Notice Period/Availability to Start:

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Any Relocation Concern (family/house/weather):

Current/Previous Employer Name:

Preferred Interview timings (Specify Time zone):

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Overall Experience Summary:

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Looking forward for your response.

Thanks and Regards,

Abhishek Singh

Jconnect Infotech Inc.

168 Barclay Center Ste. 347,

Cherry Hill, NJ 08034

Contact:

Email: