React JS Developer
Neshent Technologies
Position Overview
We are seeking an experienced React JS Developer with 8+ years of professional front-end development experience to design, develop, and maintain high-quality, scalable web applications. The ideal candidate will have strong expertise in React.js, JavaScript, modern front-end technologies, state management, API integration, performance optimization, and automated testing.
The candidate will work closely with UI/UX designers, product/project managers, and back-end developers to deliver responsive, user-friendly, and robust web applications.
Required Technical & Functional Skills
- 8+ years of professional experience in front-end/web application development.
- Strong hands-on experience developing responsive and scalable user interfaces using React.js.
- Excellent proficiency in JavaScript (ES6+), HTML5, and CSS3.
- Strong understanding of React.js core concepts, including JSX, Virtual DOM, component lifecycle, hooks, functional components, and component composition.
- Experience building reusable React components and front-end libraries to promote consistency, scalability, and maintainability.
- Strong experience with state management solutions such as Redux, Flux, Context API, MobX, or equivalent.
- Experience integrating front-end applications with back-end services using RESTful APIs and/or GraphQL.
- Strong understanding of responsive web design, cross-browser compatibility, accessibility, and web performance optimization.
- Experience with modern front-end development tools and build pipelines, including Webpack, Babel, npm, and/or Yarn.
- Proficiency with Git or other version-control systems such as SVN or Mercurial.
- Experience with unit testing and debugging, using frameworks/tools such as Jest, Mocha, or equivalent.
- Ability to troubleshoot complex UI, performance, integration, and browser compatibility issues.
- Strong understanding of front-end architecture, coding standards, design patterns, and development best practices.
Roles & Responsibilities
- Design and develop high-quality, responsive, and scalable user interfaces using React.js and modern JavaScript.
- Translate UI/UX designs, wireframes, and business requirements into functional, production-ready applications.
- Develop and maintain reusable components, shared libraries, and scalable front-end architecture.
- Collaborate with UI/UX designers, product/project managers, QA engineers, and back-end developers to deliver integrated solutions.
- Integrate front-end applications with RESTful APIs, GraphQL services, and back-end systems.
- Implement effective state management and data flow across complex React applications.
- Optimize applications for performance, scalability, responsiveness, and cross-browser compatibility.
- Identify, troubleshoot, and resolve UI, functional, integration, and performance-related issues.
- Write clean, efficient, maintainable, and well-documented code following established coding standards.
- Participate in code reviews, technical discussions, and architectural decisions.
- Develop and maintain unit and integration tests to ensure application reliability and code quality.
- Work with build tools, package managers, and CI/CD pipelines as required to support efficient development and deployment.
- Stay current with React ecosystem updates, modern JavaScript practices, front-end technologies, and industry best practices.
- Contribute to continuous improvement of development processes, coding standards, and front-end engineering practices.
- Education
- Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field is preferred.
- Equivalent practical experience and demonstrated technical expertise may be considered.
Preferred Qualifications
- Experience working on large-scale, enterprise-grade React applications.
- Knowledge of modern React development patterns and ecosystem.
- Experience with TypeScript is a plus.
- Familiarity with CI/CD, cloud environments, and Agile/Scrum methodologies is a plus.
- Experience with frontend architecture, micro-frontends, or design systems is an advantage.
Vacancy posted 18 hours ago
Similar jobs that could be interesting for youBased on the React JS Developer in Murrysville, PA vacancy
- ...largest Cat dealer in Pennsylvania, northern West Virginia, and western Maryland, has an immediate opportunity for an Application Developer to sit onsite at one of our local branches.Position Summary We are seeking a skilled Application Developer to join our team. This...JavascriptTemporary workLocal areaImmediate start
- The UI-UX Designer is responsible for presenting a product's development in a way that is attractive and convenient for users. The UI-UX Designer works with the Product Owner, Business Analyst, Project Manager, SME's, and users to identify workflow and define how a function...Javascript
True Helix
Delmont, PA2 days ago - ...collective methodology, industry knowledge, and exhaustive range of abilities permit us to meet one-of-a-kind needs of our customers as they react to industry expectations. We believe in good quality and on-time delivery. We provide an excellent working relationship based on...SuggestedFull timeContract workFor subcontractorCurrently hiringImmediate start
Phillips Tank and Structure - Steel Valley Fabricators
Braddock, PA2 days ago - Position Title: Software Developer Department: Information TechnologyLocation: Trafford, PAAbout UsCleaveland/Price specializes in the design and manufacture of high voltage disconnect switches and switch automation products. The products that we offer are unique in design...JavascriptTemporary work
- ...collective methodology, industry knowledge, and exhaustive range of abilities permit us to meet one-of-a-kind needs of our customers as they react to industry expectations. We believe in good quality and on-time delivery. We provide an excellent working relationship based on...SuggestedFull timeCurrently hiring
Phillips Tank and Structure - Steel Valley Fabricators
Braddock, PA20 days ago - ...Follow all policies and procedures related to cash, credit, check, refund and return policies. Works with the management team to react to customer service issues, customer complaints, and/or business opportunities. Conduct and participate in routine express automotive...Local areaNight shiftWeekend work
- ...effectively communicate orally (and occasionally in writing) with co-workers and supervisors, and the ability to understand and quickly react to job-related oral and/or written directions, safety information, and communications (which are generally in English), as our...Immediate startShift work
Eos Energy Storage
East Pittsburgh, PA3 days ago - ...puts an end to the use of carbon anode in the aluminum smelting process. It features the newly developed breakthrough proprietary materials that are stable and do not react during the process. Thus, it eliminates all direct greenhouse gas (GHG) emissions from the aluminum...Full timeWork experience placementRemote work
- ...collective methodology, industry knowledge, and exhaustive range of abilities permit us to meet one-of-a-kind needs of our customers as they react to industry expectations. We believe in good quality and on-time delivery. We provide an excellent working relationship based on...Full timeContract workFor subcontractorCurrently hiringImmediate start
Phillips Tank and Structure - Steel Valley Fabricators
Braddock, PA4 days ago - ...effectively communicate orally (and occasionally in writing) with co-workers and supervisors, and the ability to understand and quickly react to job-related oral and/or written directions, safety information, and communications (which are generally in English), as our...Local areaShift workWeekend work
Eos Energy Storage
East Pittsburgh, PA3 days ago - ...reconcile randomly chosen part numbers and/or locations. Assist in developing solutions to specific problem areas. Work within the ERP... ...and supervisors, and the ability to understand and quickly react to job-related oral and/or written directions, safety information...Shift workWeekend work
Eos Energy Storage
Turtle Creek, PA5 days ago - ...recommendations to Manager regarding observations and findings. Develop and maintain quality records and metrics. Ensure goods and... ...workers and supervisors, and the ability to understand and quickly react to job-related oral and/or written directions, safety...Work at officeLocal areaShift work
Eos Energy Storage
East Pittsburgh, PA2 days ago $24.04 - $43.27 per hour
...Monitors customer service, provides coaching, training, and develops plans for improvements in both the front-end and pharmacy. Empowers... ...loss prevention programs and systems. Learns to maintain and react to the electronic surveillance system and ensures price accuracy...Hourly payPermanent employmentLocal areaFlexible hoursShift workWeekend workAfternoon shiftWalgreens Boots Alliance
Penn Hills, PA2 days ago- ...and verbal communication skills. Flexibility in schedule, able to work evenings, weekends, and holidays as needed Ability to react under pressure and maintain composure. Essential physical demands and work environment Associate required to stand, walk, climb...Hourly payWeekly payMinimum wageFull timePart timeLocal areaImmediate startWeekend workAfternoon shift
PetSmart
Greensburg, PA18 hours ago - ..., our Chief Creative Officer. But whether it's sponsorships or developing grassroots projects we prioritize giving back to the community... ...policies and procedures, including zone defense. Recognize and react to potential loss prevention issues. Watch for potential shortages...Hourly payPart timeWorldwideFlexible hoursShift work
- ...Services Partner & IBM Certified enterprise.We guarantee you the best rate for your skills and performance.Job DescriptionDesign, develop and implement Store Procedures, Functions and other artifacts in TSQL for data migration from staging area to EDW Design, develop and...
- ...Job Description Job Responsibilities: Participates in full software development process, working in pairing mode with peers to develop high quality medical device software meeting product requirements. Follows quality goals and development practices aligned with...Temporary work
Elyon International
Murrysville, PA14 days ago - ...product specifications to assist Customer Service for aftermarket product support. Select and configure options from price books to develop product proposals. Estimate non-price book items based on the overall requirements and research into the price of materials and...Work at office
FS-Elliott
Export, PAmore than 2 months ago - ...leading through Ulta Beauty's mission, vision, and values in order to develop a high-performing team that consistently delivers top-line sales... ...and deliver on sales and payroll goals. Review, analyze and react to Ulta Beauty's financial and operational reporting, including...Full timeWork experience placementWork at officeFlexible hoursShift workAfternoon shift
- ...Related Software (Microsoft Office) Knowledge of basic office equipment such as copier, fax machine, etc. Ability to understand and react effectively in a fast-paced environment. Must have flexibility/prioritization skills. Preferred Qualifications BSN Case...Work at officeRemote workShift workRotating shift
- ...leading through Ulta Beauty's mission, vision, and values in order to develop a high-performing team that consistently delivers top-line sales... ...on time, and within the payroll budget. Review, analyze and react to Ulta Beauty's financial and operational reporting, including...Full timeWork experience placementWork at officeFlexible hoursShift workAfternoon shift
- ...and holidays as needed. ~ Proficiency in computer applications. ~ Strong written and verbal communication skills. ~ Ability to react under pressure and maintain composure. ~ Strong organizational skills and attention to detail. Supervisory responsibility...Hourly payWeekly payMinimum wageFull timeLocal areaImmediate startWeekend workAfternoon shift
PetSmart
Monroeville, PA18 hours ago - ...electronics, delivering the communication industry’s largest worldwide deployment of digital collaboration platforms. We’re the leading developer of converged VoIP, voice, video and data collaboration and conferencing applications. We deliver the right solution every time and...Worldwide
- ...electronics, delivering the communication industry’s largest worldwide deployment of digital collaboration platforms. We’re the leading developer of converged VoIP, voice, video and data collaboration and conferencing applications. We deliver the right solution every time and...Worldwide
- ...Job Description Job Description Role Overview: Motivated, hard-working individual to develop embedded software automated testing and/or manual testing for our Sleep & Respiratory Care sleep and vent solutions. Job Responsibilities: Works under close supervision...Temporary work
Elyon International
Murrysville, PA14 days ago - ...security maintenance, document recovery, and repository maintenance.FileNet experience is the key--not specifically system admin or developer; either is ok. Prefer current experience, but past experience is ok.Additional Skills:Experience as FileNet system administrator...
SonSoft
Penn Hills, PA2 days ago - ...electronics, delivering the communication industry's largest worldwide deployment of digital collaboration platforms. We're the leading developer of converged VoIP, voice, video and data collaboration and conferencing applications.We deliver the right solution every time and...Worldwide
Compunetix
Monroeville, PA1 day ago - ...customer inquiries for rerating and modifying existing equipment.Review inquiry to understand goals of projects.Work with sales to develop strategy by understanding market trends, customer needs, budget, & competition.Design solutions including performance and mechanical...Full timeContract workWork at officeLocal areaWork from home
- ...switch automation products. The products that we offer are unique in design, and some include patented features. Products have been developed and tested in accordance with IEEE, ANSI, and NEMA standards for high voltage equipment. They are primarily used by investor-owned...Temporary workVisa sponsorship
$18 per hour
...Security Guard Patrol sensitive areas to spot any suspicious activity Verify identities and control access to secure areas React quickly to threats or incidents Check the proper functioning of alarms and cameras Document incidents and actions taken Respond...Hourly payCasual workLocal areaImmediate startShift workDay shift
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to React JS Developer. Be the first to apply!
