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Robert Half Logo Robert Half · IT - Software Development

Sr. FE React Software Engineer

United States, Johnston · Job Posted June 28, 2026
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Job Description

We are looking for a Sr. FE React Software Engineer to join a chemicals manufacturing organization in Johnston, Iowa. This Long-term Contract position will focus on building and enhancing customer-facing applications used to visualize field and product performance data, while also supporting report generation and document-related services. The role offers a blend of frontend engineering, serverless development, and cross-functional collaboration in a modern cloud-based environment.

Job Responsibility

  • Design and deliver new capabilities for React and TypeScript applications, including interactive dashboards, charts, maps, and data exploration tools
  • Investigate and resolve production issues affecting user experience, data presentation, and report output across frontend and backend services
  • Enhance report-generation workflows by updating layouts, styles, and data handling in Node.js and Python-based serverless components
  • Contribute reusable code to shared libraries and common UI components that support multiple applications within a monorepo
  • Create and maintain automated test coverage through unit and end-to-end testing to improve reliability and release quality
  • Review merge requests, provide constructive technical feedback, and help uphold coding standards across the engineering team
  • Support cloud-based document delivery processes, including services that generate files and manage assets stored in Amazon S3
  • Collaborate with product and engineering stakeholders to translate business needs into scalable, maintainable technical solutions

Requirements

  • 5+ years of software engineering experience, with strong emphasis on frontend application development
  • At least 3 years of hands-on experience building applications with React and TypeScript
  • Practical experience with Node.js, including work on serverless functions or backend services
  • Proficiency in Python for service development, automation, or API-related work
  • Familiarity with AWS services such as Lambda and Amazon S3
  • Experience writing automated tests using modern frameworks such as Vitest, Playwright, or PyTest
  • Working knowledge of Git-based development workflows and collaborative code review practices
  • Exposure to monorepo environments, shared component libraries, or build tooling such as pnpm workspaces or Nx

What we offer

  • medical
  • vision
  • dental
  • life and disability insurance
  • 401(k) plan
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