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Senior Software Engineer

2 weeks ago

Falls Church, VA, United States MBA Consulting Services, Inc. Full time

MBA Consulting Services, Inc. (MBA CSi) is seeking an experienced Software Engineer to support the U.S. Postal Service in Merrifield, VA. This role supports the Delivery Technology Programs group, contributing to the modernization and sustainment of mission-critical systems that enable nationwide mail and package delivery operations. The Software Engineer will design, enhance, and maintain both emerging technology platforms and legacy device software used throughout USPS processing and delivery environments.

The ideal candidate brings deep C#/.NET expertise, strong SDLC execution skills, and the ability to problem-solve creatively within a fast-moving R&D setting. This position offers the opportunity to influence technology solutions at national scale-improving field automation, enhancing carrier delivery tools, and supporting the reliability of core operational systems across one of the largest logistics networks in the world. Strong technical judgment, systems-thinking, and an aptitude for hands-on engineering are essential, along with the ability to collaborate closely with USPS engineers, program managers, and technical stakeholders.

Responsibilities

  • Design, modify, develop, write and implement software programming applications
  • Design, plan, and coordinate cross-functional work teams throughout the full Software Development Life Cycle (SDLC), ensuring requirements, development, testing, and implementation milestones are met
  • Support and/or install software applications/operating systems
  • Provide technical support to project team members
  • Apply a high degree of creativity, independent judgment, and problem-solving flexibility within a fast-paced R&D environment to drive innovation and accelerate solution development
Basic Qualifications
  • Bachelor's degree in Computer Science, Software Engineering, or a related technical discipline
  • 8+ years of experience in software engineering or comparable technical development roles
  • Proficiency in Microsoft C# and the .NET framework for application development
  • Experience designing and developing web applications and web services (REST APIs), including XML and JSON structures
  • Hands-on experience with Microsoft Visual Studio IDE and source control tools such as Team Foundation Server (TFS)
  • Strong knowledge of C#/.NET database interface development, including SQL query design and execution
  • Experience building C# WinForms applications, including kiosk or embedded interface software
  • Demonstrated expertise in C# multi-threaded programming and performance optimization
  • Solid understanding of web service protocols, data formats, and integration patterns using XML/JSON
  • Ability to pass a federal background check and drug test
  • Ability to obtain and maintain a Public Trust Security Clearance
Preferred Qualifications
  • Experience with Microsoft Entity Framework for data access and ORM design
  • Familiarity with Microsoft Windows environments, including Windows 10 and Windows Server platforms
  • Hands-on exposure to Windows Presentation Foundation (WPF) for UI development
  • Experience with advanced UI/UX interface technologies such as speech recognition or text-to-speech integration
  • Knowledge of Section 508 accessibility standards and compliant UI design practices
  • Proficiency in additional programming languages beyond C#/.NET
  • Experience in hardware driver development or firmware interface programming
  • Ability to present and demonstrate current or recent project work (GitHub)

Salary Range: $110,000 to $120,000 annually (commensurate with experience)
"MBA CSi is an Equal Opportunity, Affirmative Action Employer. Women, Minorities, Veterans, and individuals with disabilities are encouraged to apply."
EOE - Minority/ Female/ Veteran/ Disabled
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