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Modern Technology Solutions, Inc. (MTSI) Logo

Software Engineer

Modern Technology Solutions, Inc. (MTSI)

Salary not specified
Aug 21, 2025
San Antonio, TX, US
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MTSI is looking for a Software Engineer to develop, maintain, and enhance complex and diverse software systems, including processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems.

Requirements

  • 0-14+ years of relevant work experience as a SWE in programs and contracts of similar scope, type, and complexity.
  • Experience using tools like Python and SQL.
  • Experience with cloud computing platforms like; Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP) or AWS GovCloud.
  • Experience with ETL frameworks.
  • Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design.
  • Design or implement complex algorithms requiring adherence to strict timing, system resource, or interface constraints; Perform quality control on team products.
  • Assist with developing and executing test procedures for software components.

Responsibilities

  • Develop, maintain, and enhances to complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements.
  • Reviews and tests software components for adherence to the design requirements and documents test results.
  • Resolves software problem reports.
  • Utilizes software development and software design methodologies appropriate to the development environment.
  • Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.
  • Analyze user requirements to derive software design and performance requirements.
  • Debug existing software and correct defects.

Other

  • An active TS/SCI security clearance with a polygraph is required.
  • Excellent oral and written communication skills.
  • Strong customer service skills; being able to work with personnel across multiple disciplines of the organization.
  • Strong organizational skills and ability to manage multiple tasks concurrently.
  • Ability to work well independently or as a team member.