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# Sr. Software Engineer

- **Company:** Markon Solutions
- **Location:** United States
- **Experience:** Expert
- **Salary:** $200,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Data Analysis, Cloud Computing, Computer Programming, Data Stores, Data Visualization, Database Queries, Elasticsearch, Python (Programming Language), Machine Learning, Requirements Management, Software Engineering, Software Repository, Large Language Models, Software Security, Plex, Pyspark, Kubernetes, Restful APIs, Docker
- **Published:** November 5, 2026
- **Apply:** https://www.careerbuilder.com/job-details/sr-software-engineer-annapolis-junction-md--d970aa00-3012-4755-8add-04b7e195d1ec

## About the Role

Software Engineering, Data Science, Software Development, Technical Delivery, Data Analysis, Requirements Management, REST (Representational State Transfer), Cloud Computing, Application Programming Interface (API), Data Visualization, * Active TS/SCI W/ Polygraph

 * Bachelor''s degree in a related technical field of study
 * 5 years of relevant experience or equivalent.
 * Proficiency with Python, PySpark, Java, Javascript; solid experience with XKS, Mission Data Repositories, GM, LABBENCH, PRESSUREWAVE, Elasticsearch, Git repositories

Desired Skills:

 * Experience with Docker, Kubernetes, collection cycle, database queries is highly desired.
 * Experience with software development processes (i.e., requirements analysis, software design, implementation, testing, integration, deployment/installation, and maintenance) and programming.
 * Experience with Data Science, Machine Learning (ML), Artificial Intelligence (AI) and using Large Language Models (LLMs)

## Description

PLEX Solutions, A Part of Markon is looking for a motivated Application Developer to join the Eurasia & Western Hemisphere mission. The Developer will collaborate directly with mission stakeholders, data scientists, and analysts to capture requirements then design, develop and deploy end-to-end technical solutions that deliver immediate operational impact to mission workflows.

Responsibilities

 * Mission Focus: By working within the cloud environment and customer specific data repositories, create user-facing applications, develop and maintain RESTful APIs, incorporate data visualizations, and establish CI/CD pipelines for secure deployment. Successful solutions will deliver immediate operational value to the analysts.
 * Technical Proficiency: Develop end-to-end applications that integrate front-end U/I with back-end services to support analyst workflows. Knowledge of customer corporate tools and data repositories required.