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# Junior Software Developer

- **Company:** Leidos Holdings, Inc.
- **Location:** St. Louis, MO, United States
- **Experience:** Starter
- **Salary:** $60,000.0 - $65,000.0
- **Contract:** Permanent contract
- **Skills:** HTML, JavaScript (Programming Language), HTML5, Cascading Style Sheets (CSS), Collaborative Software, Database Queries, Software Debugging, Design of User Interfaces, PostgreSQL, Responsive Web Design, Software Engineering, Systems Integration, Website Wireframe, ReactJS, Indexer, Git, Fastapi, Vue.js, AngularJS, Information Technology, Figma, Front End Software Development, Restful APIs, Software Version Control, Api Management
- **Published:** September 17, 2026
- **Apply:** https://www.careerjet.com/jobad/us5eda1e57c1a44dbcbcf736bca4f740c7

## About the Role

* Bachelor's degree in Computer Science, Software Engineering, or a related field.
 * Proven experience as a Software Developer, building complex web applications or ERP systems with a portfolio representative of a strong technical acumen.
 * Proficiency in front-end technologies such as HTML5, CSS3, JavaScript, and various front-end frameworks (e.g., React, Angular, Vue.js) with a solid understanding of responsive design principles.
 * Practical experience consuming and integrating RESTful APIs; experience building RESTful APIs with FastAPI is a plus.
 * Solid working knowledge of PostgreSQL (writing queries, schema design, indexing, migrations)
 * Experience with version control systems and collaboration tools such as Git and Figma.
 * Strong problem-solving skills and attention to detail to identify and resolve issues effectively.
 * Excellent communication and teamwork skills to collaborate with cross-functional teams effectively.

## Description

Interco is seeking a talented Junior Software Developer with a strong background in JavaScript and React.js to contribute to an innovative Enterprise Resource Planning (ERP) project. In this role, the successful candidate will take the lead in crafting and executing sophisticated user interfaces for the company's ERP software, aiming to deliver an unparalleled user experience. The Software Developer will collaborate with development team members and management to ensure projects align with the needs of the company. This role involves turning project requirements into functional, visually captivating interfaces that solve problems, optimize workflows, and provide valuable data that offers real-time business insight. Join Interco to be at the forefront of developing solutions that redefine efficiency and impact in ERP systems.
Responsibilities Include

 * Develop responsive and user-friendly front-end interfaces for our ERP software using JavaScript, HTML, CSS, and React.js.
 * Collaborate with development team to design, consume, and integrate RESTful APIs that retrieve and update data from PostgreSQL backends.
 * Work closely with UI/UX designs to translate wireframes and mockups into functional user interfaces, ensuring consistency with design guidelines and best practices.
 * Participate in defining API contracts, perform contract and integration debugging, and collaborate on end-to-end testing. Collaborate on CI/CD pipelines and use containerized development environments.
 * Write and maintain technical documentation.
 * Implement and maintain reusable components and libraries to streamline development and ensure consistency across ERP software., + $131,300-237,350 per year
Description Join a Mission That Matters! Are you a highly skilled Software Engineer ready to tackle complex technical challenges that directly support our nation's intelligence…

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