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Senior Software Engineer

Job in Beavercreek, Greene County, Ohio, USA
Listing for: Modern Technology Solutions, Inc. (MTSI)
Full Time position
Listed on 2025-12-05
Job specializations:
  • Software Development
    Software Engineer, Senior Developer
Job Description & How to Apply Below

Senior Software Engineer

Modern Technology Solutions, Inc. (MTSI) is seeking a Senior Software Engineer to play a critical role in the transformation of a legacy Tomcat web application into a modern, containerized microservices architecture. This highly visible and mission‑critical role will involve maintaining and transitioning the existing Tomcat‑based system while simultaneously redesigning core services to leverage emerging enterprise services and implement a new architecture using Golang and Angular.

Responsibilities
  • Take ownership of large sections of the system architecture while working collaboratively with teams.
  • Drive agile development practices and support robust continuous integration/continuous delivery pipelines.
  • Clearly articulate complex system designs and technical concepts to both technical and non‑technical stakeholders.
  • Oversee the evolution of the software process from development through deployment, ensuring efficient and secure code integration.
  • Engage in continuous process improvement to enhance software quality, performance, and reliability.
Required Qualifications
  • Bachelor’s degree in Computer Science, Software Engineering, or a related technical field.
  • 5+ years of hands‑on software engineering experience.
  • Proficiency in Java development (Java 8 and Java 21) with expertise in JSP, JSTL, CDI, and Spring frameworks.
  • Proven experience in maintaining and modernizing web applications, particularly within Tomcat and Kubernetes environments.
  • Solid expertise in modern front‑end technologies, including Angular, Bootstrap (versions 4 and
    5), CSS, SCSS, JavaScript, and JQuery.
  • Experience in refactoring monolithic applications into microservices and integrating emerging enterprise services.
  • Familiarity with container orchestration and deployment best practices.
  • Strong problem‑solving skills and excellent written and verbal communication abilities.
  • U.S. Citizenship and must possess an active TS/SCI security clearance or a TS clearance with SCI eligibility.
Seniority Level

Mid‑Senior level

Employment Type

Full‑time

Job Function

Engineering and Information Technology

Industry

Space Research and Technology

Location

Beavercreek, OH

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Position Requirements
10+ Years work experience
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