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ReactJS Developer (Python& API) || Hybrid at Iselin, NJ (3 days onsite per week)

IT First SourceWoodbridge Township, NJ🇺🇸United StatesPosted 17 Aug 2026

Why This Role Stands Out

This hybrid ReactJS Developer role offers an exciting opportunity to contribute across the full stack, from UI development to API integration, within a collaborative team building innovative intelligence products. You'll thrive here if you're a mid-senior developer with strong React and Python skills, eager to grow your expertise and impact. Apply to join this dynamic environment and shape the future of field professional tools!

Quick Overview

Work Type
On Site
Level
Mid Senior

Job Description

ReactJS Developer || Hybrid at Iselin, NJ (3 days onsite per week) || Contract

Role Overview:

Join a small, high-ownership team building intelligence products for field professionals. Work across the full stack, from wireframe to field deployment, alongside product leads, data scientists, and designers. Gain experience in front-end surfaces, backend services, and data integrations.

Key Responsibilities

  • UI Development: Build front-end interfaces using React while maintaining a full-stack foundation, including hardening and orchestrating agentic output.
  • Functional Prototyping: Build working prototypes to allow team and end-user interaction before full-fidelity development.
  • Component Library: Contribute reusable components to a shared library, ensuring documentation and proper testing.
  • Design Collaboration: Partner with designers to interpret wireframes, provide technical feedback, and participate in design reviews and product decisions.
  • Data Integration: Build and maintain backend services and APIs (Python-based) that connect data pipelines and models to the front end.

Required Qualifications (Non-Negotiables)

  • Bachelor s degree in software engineering, computer science, or a related field.
  • Proficiency in React with clear professional experience.
  • Strong fundamentals in TypeScript or JavaScript with a focus on type safety.
  • Proficiency in Python for backend services, REST APIs, and data scripts.
  • Working knowledge of SQL, including joins, aggregations, and window functions.
  • Ability to translate wireframes into accurate, interactive front-end code.
  • Strong communication skills for collaboration and technical explanation.

Preferred Qualifications

  • Familiarity with Figma (navigating designs and layouts).
  • Experience with Streamlit, Storybook, or component documentation.
  • Experience with backend frameworks like FastAPI or Flask.
  • Exposure to cloud platforms (Google Cloud Platform, AWS, or Azure).
  • Knowledge of databases beyond SQL and experience with design systems.

Thanks, IT First Source

Skills

FastAPI
Flask
SQL
Storybook
AWS
Figma
Azure
Google Cloud
JavaScript
Python
REST
React
TypeScript

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