Lead React Developer Job at JSR Tech Consulting, Newark, NJ

L3ZSbXFXd1JkOUduemNHOHA2a29MeGlJVUE9PQ==
  • JSR Tech Consulting
  • Newark, NJ

Job Description

Contract position with a major financial client in Newark, NJ. Hybrid, 2-3 days per week in the office required.

We are looking for an experienced Senior Lead React Developer with expertise in React, TypeScript, and test automation to lead our frontend development efforts. This role involves designing, implementing, and maintaining a scalable, high-performance frontend architecture while ensuring robust automated testing frameworks. You will work closely with cross-functional teams to deliver a stable, maintainable, and user-friendly application.

Our stack includes React with TypeScript on the frontend, Python for the API layer, and Playwright/Cypress for test automation. The ideal candidate is a frontend expert who understands modern state management, component-driven architecture, and best practices for performance optimization.

Responsibilities

1. Frontend Architecture & Development

  • Design and develop scalable, maintainable, and reusable React components.
  • Implement TypeScript best practices for strongly typed applications.
  • Architect efficient and optimized state management using Redux, Zustand, or Context API.
  • Improve application performance with techniques such as code splitting, lazy loading, memoization, and virtualized lists.
  • Ensure responsive and accessible UI using modern CSS methodologies (CSS-in-JS, Tailwind, Styled Components).

2. Test Automation & Quality Assurance

  • Develop and maintain automated testing frameworks using Playwright and Cypress.
  • Ensure comprehensive unit, integration, and end-to-end testing coverage.
  • Build test strategies for cross-browser and cross-device compatibility.
  • Implement strategies to reduce flakiness in test automation and maintain stability over time.
  • Work closely with backend and DevOps teams to integrate tests into CI/CD pipelines.

Job Tags

Contract work, 2 days per week, 3 days per week,

Similar Jobs

Norwegian Cruise Line Holdings Ltd.

Graphic Designer Job at Norwegian Cruise Line Holdings Ltd.

 ...other job-related functions as assigned. QUALIFICATIONS DEGREE TYPE: Bachelor's Degree FIELD(S) OF STUDY: In Graphic Design and/or Advertising preferably from Design/Fine Art Institution or any equivalent combination of relevant background and work experience... 

Almanax

Growth Job at Almanax

 ...growing startup. The ideal candidate has previous experience building these functions in another successful startup, ideally in the blockchain, cybersecurity, or AI space. If you move fast and want to accelerate your career development, this is the role to do that.... 

OU Health

Registered Nurse (RN) - Pediatric Cardiac Stepdown - $30-46 per hour Job at OU Health

 ...OU Health is seeking a Registered Nurse (RN) Pediatric Cardiac Stepdown for a nursing job in Oklahoma City, Oklahoma. Job Description...  ...& World Report as high performing in these specialties: Colon Surgery, COPD and Congestive Heart Failure. OU Healths mission is to lead... 

Kelly Services

Remote Bilingual Spanish Interpreters - Texas Job at Kelly Services

 ...Job Description Kelly Professional & Industrial has open opportunities for remote Spanish Interpreters. \nWe are currently looking for skilled Bilingual Call Center Interpreters that are available to work from home and interpret high volume inbound calls. \n... 

FreeCheckFix

Cell Phone Repair Technician Job at FreeCheckFix

 ...Job Description Job Description We are looking for a Cell Phone Repair Technician, with or without experience. Permanent or temporary position, competitive salary for suitable candidates. Repairing screens, batteries, and various components Immediate start...