If you’re looking to begin or grow your career in software development, this Junior Back-End Software Application Developer opportunity at LMI could be an excellent fit. The role offers the chance to work on innovative technology solutions, collaborate with experienced engineering teams, and contribute to impactful government and enterprise projects. With a competitive salary, professional development opportunities, and a supportive work environment, this position is ideal for aspiring back-end developers eager to build their technical expertise.
Job Overview
| Field | Details |
|---|---|
| Company Name | LMI |
| Role | Jr Back-End Software Application Developer |
| Qualification | Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related field (or equivalent experience, as specified by the employer) |
| Job Location | Colorado, United States |
| Salary | $70,000 – $118,000 per year |
| Work Type | Hybrid/On-site (based on business requirements) |
| Job Type | Full-Time |
| Job Level | Junior / Entry-Level |
| Industry | Information Technology, Software Development, Government Consulting |
Job Description
LMI is actively seeking a Junior Back-End Software Application Engineer. This role involves working directly with U.S. government military and civilian customers and our analytic partners to translate analytic needs into responsive, high-performance software applications within LMI’s Modeling, Simulation, Prototyping, Wargaming, & Analysis platform, RAPTR®. This position is on-site in Colorado Springs, CO.
LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.
Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value.
Responsibilities:
- Develop and maintain server-side logic by writing code that powers the application’s functionality, handles user requests, and manages data.
- Create APIs that allow different parts of the application, or different applications, to communicate with each other.
- Design database schemas, write queries, and ensure data integrity and security.
- Ensure the application can handle a growing number of users and data efficiently.
- Work closely with front-end developers to integrate the back-end functionality with the user interface.
- Implement security measures to protect sensitive data and prevent unauthorized access.
- Participate in code reviews, debug developed code and stay current with software development trends.
- Ensure all changes or adaptations are thoroughly and meticulously reviewed, tested, and verified to eliminate application downtime or degradation.
- Collaborate with cross-functional teams, develop reusable code components, and ensure application accessibility.
- Actively participate in Integrated Product Teams (IPT’s) and other engineering working groups to review, assess, and mature engineering artifacts such as concept of operations (CONOPs), system architecture, system behavior, system interfaces, functional allocation, Interface Control Documents/Descriptions (ICDs), and data models.
- Provide meeting coordination, technical expertise, and software development to assist the customer decision makers.
Qualifications
Required:
- B.S. in Computer Science, Computer Engineering, or equivalent STEM-based degree.
- 1-3 years of experience as a Back-End Software Application Developer with a portfolio, and proficiency in modern object-oriented programming languages such as Python, Java, C++, Node.js, or Ruby.
- Experience with both SQL (e.g., MySQL, PostgreSQL) and NoSQL (e.g., MongoDB) databases.
- Familiarity with back-end frameworks like Django, Flask, Spring, or Express.js.
- Experience with cloud platforms like AWS, Azure, or Google Cloud.
- Experience with efficient data storage and retrieval.
- Strong, demonstrable understanding of modern design and coding principles and practices.
- Familiarity with version control systems (e.g., Git).
- Knowledge of software performance optimization.
- Strong problem-solving skills.
- Excellent communication and teamwork abilities.
Nice to have:
- Experience with testing frameworks.
- Knowledge of security practices.
- Active TS with SCI eligibility.
- Space domain experience.
Selection Process
- Submit your online application.
- Resume screening by the recruitment team.
- Technical assessment or coding evaluation (if applicable).
- Technical interview with the engineering team.
- Behavioral or hiring manager interview.
- Background verification and employment checks.
- Receive the final job offer.
How to Apply
- Visit LMI’s official careers website.
- Search for the Jr Back-End Software Application Developer position in Colorado.
- Review the job description and eligibility requirements.
- Prepare your updated resume and any required supporting documents.
- Complete the online application form.
- Submit your application before the position closes.
- Monitor your email for updates regarding interviews and next steps.