Software developer

Mankind America; Bloomington (IL); On-site; USD 122,877 - 150,184; Full time

Job summary

A leading tech company is seeking a Software Developer to create applications using React, HTML5, and CSS3. You will build reusable components, implement data grids, and integrate APIs while ensuring strong testing practices. Qualified candidates should have a Master's degree in a related field and at least 6 months of experience with HTML5, CSS3, and JavaScript. This role requires travel to various sites across the USA, emphasizing the need for flexibility in working conditions.

Qualifications

• Master’s degree in a related field plus 6 months experience.
• Experience with HTML5, CSS3, and JavaScript is required.
• Willingness to travel to unanticipated client sites.

Responsibilities

• Develop applications using React, HTML5, and CSS3.
• Build reusable UI components ensuring design consistency.
• Implement advanced data grids for large datasets.
• Integrate RESTful APIs for CRUD operations.
• Write unit and integration tests for React components.

Skills

React

HTML5

CSS3

JavaScript

Unit Testing

API Integration

Education

Master’s degree in Computer Science / IT / IS / Engineering (any)

Tools

Jest

React Testing Library

Axios

Job description

Software Developer

Job Posting Notice. Posting Date: 02/11/2026.

Position: Software Developer, Full‑time, 40 hours per week. Pay/Salary: $136,531.00 per year.

Number of Openings: 1.

Location: MANKIND AMERICA LLC, 808 S Eldorado Rd, Suite 105 F, Bloomington, IL 61704.

Job Duties:

• Develop applications using React, HTML5, and CSS3 for widget alignment and JavaScript, focusing on component‑based design for positioning.
• Build reusable UI components with cprime‑foundational‑components, cprime‑datatable‑components, Material UI, and Tailwind CSS, ensuring design consistency and scalability across modules.
• Implement advanced data grids with filtering, sorting, and pagination, including inline search, global search, and cascading filters (Company, Group Type, Monitor Type, Date Range) for large datasets.
• Develop Supplier Line Setup and Part Master modules, including file upload (CSV/Excel) functionality with real‑time validation, error logging, and update‑only rules for supplier fields.
• Integrate RESTful APIs with Axios for CRUD operations (create, update, delete) and advanced queries (grouping, alerts, cascading metadata), ensuring smooth front‑back communication.
• Write unit and integration tests for React components using Jest and React Testing Library, ensuring stability of critical supplier‑facing workflows.
• Work under supervision. Travel and/or relocation to various unanticipated client sites throughout the USA is required.

Education:

Master’s degree in Computer Science / IT / IS / Engineering (any) or closely related field with six (6) months of experience in the job offered or as an IT Consultant, Analyst, Programmer, Developer, Engineer, or closely related field.

Experience:

Experience of six (6) months working with HTML5, CSS3, and JavaScript is required. Travel and/or relocation to unanticipated client sites throughout the USA is required.

Apply Now

Contact: +1 708‑689‑9159, [e-mail].