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Front End Web Developer

Modern Technology Solutions
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Annapolis Junction, MD, USA
Sep 21, 2026
Modern Technology Solutions, Inc. (MTSI) is actively hiring a Front-end Web Developer to join our team in Annapolis Junction, Maryland. Qualified candidates must be U.S. citizens with a TS/SCI clearance and Full Scope Polygraph.

Responsibilities:
  • Design, develop, and enhance diverse software systems, including analytics, algorithms, large-scale data processing, real-time systems, and business management tools.
  • Review, test, and document software components to ensure they meet design requirements while resolving issues and applying appropriate development methodologies.
  • Contribute to system design by analyzing hardware/software trade-offs, promoting software reuse, integrating COTS/GOTS solutions, and performing requirement analyses from system-level specifications to individual components.
  • Analyze user requirements to derive software design and performance requirements.
  • Debug existing software and correct defects.
  • Provide recommendations for improving documentation and software development process standards.
  • Design and code new software or modify existing software to add new features.
  • Integrate existing software into new or modified systems or operating environments.
  • Develop simple data queries for existing or proposed databases or data repositories.
  • Write or review software and system documentation.
  • Serve as team lead at the level appropriate to the software development process being used on any project.
  • Design or implement complex database or data repository interfaces/queries.
  • Develop or implement algorithms to meet or exceed system performance and functional standards.
  • Assist with developing and executing test procedures for software components.
  • Develop software solutions by analyzing system performance standards, confer with users or system engineers; analyze systems flow, data usage, and work processes; and investigate problem areas.
  • Modify existing software to correct errors, to adapt to new hardware, or to improve its performance.
  • Design, develop, and modify software systems, using scientific analysis and mathematical models to predict and measure outcomes 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.
  • Implement recommendations for improving documentation and software development process standards.
  • Oversee one or more software development teams and ensure the work is completed in accordance with the constraints of the software development process being used on any project.
  • Confer with system engineers and hardware engineers to derive software requirements and to obtain information on project limitations and capabilities, performance requirements, and interfaces.
  • Coordinate software system installation.

Required Qualifications:
  • 8 years of experience as a Web Developer
  • Software Integration (new and existing systems)
  • Troubleshooting, debugging and defects correction.
  • Creation and editing of software system documentation
  • JavaScript and Front-end JavaScript frameworks such as React, Angular or Vue
  • Developing applications interfacing with REST-based APIs/services in Apache Tomcat/Java or NodeJS.

Education Requirements:
  • Bachelor’s degree in computer science or related discipline; 4 years of additional software engineering experience on projects with similar software processes may be substituted in lieu of degree

Clearance Requirements:
  • TS/SCI with Full Scope Polygraph

The pay range for this position is $155,000 to $185,000/year; however, base pay offered may vary depending on established government contract ranges, job-related knowledge, skills, and experience, and other factors. MTSI also offers a full range of medical, financial, and other benefits, dependent on the position offered. Base pay information is based on market location. Applications will be accepted on an ongoing basis. This posting will be renewed periodically until the position is filled.

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Job ID

1133915505265
About Modern Technology Solutions
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