New

Mid-Level Back-End Software Application Developer

LMI Consulting, LLC

United States, Colorado, Colorado Springs

Jul 15, 2025

Mid-Level Back-End Software Application Developer

Job Locations

US-CO-Colorado Springs | US-VA-Tysons

Job ID

2025-12918

# of Openings

Category

Engineering

Benefit Type

Salaried High Fringe/Full-Time

Overview

LMI is actively seeking a dynamic, experienced Mid-Level Back-End Developer with a strong background in modern . This role involves translating design concepts into responsive, high-performance software applications. This position can be located in Colorado Springs, CO or the Northern VA metro area.

LMI: Innovation at the Pace of Need
At LMI, we're reimagining the path from insight to outcome at the new speed of possible. Combining a legacy of over 60 years of federal expertise with our innovation ecosystem, we minimize time to value and accelerate mission success. We energize the brightest minds with emerging technologies to inspire creative solutioning and push the boundaries of capability. LMI advances the pace of progress, enabling our customers to thrive while adapting to evolving mission needs.

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.
Implemen security measures to protect sensitive data and prevent unauthorized access.
Participate in code reviews, debug developed code, and stay current with software development trends.
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.
5 - 7 years experience as a Back-End 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 liks 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.

Desired:

Experience with testing frameworks.
Knowledge of security practices.
Active TS/SCI.

Candidate must be eligible to obtain a TS/SCI.

Target salary range: $99,000.00 - $171,000.00. Final compensation will be determined by a variety of factors including but not limited to your skills, experience, education, and/or certifications.

LMI is an Equal Opportunity Employer. LMI is committed to the fair treatment of all and to our policy of providing applicants and employees with equal employment opportunities. LMI recruits, hires, trains, and promotes people without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, pregnancy, disability, age, protected veteran status, citizenship status, genetic information, or any other characteristic protected by applicable federal, state, or local law. If you are a person with a disability needing assistance with the application process, please contact accommodations@lmi.org
Colorado Residents: In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.
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