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Senior Back-End Software Application Developer Job Opening In Tysons – Now Hiring LMI


Job description

Overview

LMI is actively seeking a dynamic, experienced Senior 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 the Northern VA/DC metro area.

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.
  • 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.
  • 7 - 12 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:

  • Advanced degree in Computer Science or related.
  • Experience with testing frameworks.
  • Knowledge of security practices.
  • Active TS/SCI.
  • Candidate must be eligible to obtain a TS/SCI.

    Target salary range: $109,000.00 - $189,000.00.

    Final compensation will be determined by a variety of factors including but not limited to your skills, experience, education, and/or certifications.

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    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

    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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    Required Skill Profession

    Computer Occupations


    • Job Details

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    An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at LMI adheres to the cultural norms as outlined by Expertini.

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