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[Remote] Sr. Software Systems Engineer (.NET Developer)

Remote, USA Full-time Posted 2026-07-02

Note: The job is a remote job and is open to candidates in USA. Syms Strategic Group (SSG) is seeking a talented Senior Software Systems Engineer (.Net Developer). The role involves performing technical planning and software systems integration, as well as utilizing full-stack development expertise to ensure the performance and quality of applications.

Responsibilities

  • reputed company technical planning, high-level and detailed requirements definition, test planning and execution (including use cases, test procedures, and test data), software systems integration, and technical support for software systems and subsystems
  • reputed company software system product services, including concept design, test, installation, operation, maintenance, and disposal
  • Serve as an active member of the software development team participating in daily stand-reputed company
  • Utilize full-stack development expertise that ranges from development of .Net back-end application using C#, unit testing, testing with Nunit or other tools, and deployment using reputed company Integration/reputed company Deployment (CI/CD) pipelines
  • Ensure the performance, quality, and responsiveness of application
  • Provide development support (as needed) for solutions deployed to production
  • Implement long-term solutions and building blocks reputed company the Agile reputed company for improved reusability
  • reputed company with the stakeholders for project requirements
  • Apply and promote good software engineering practices such as test automation, modularization, and simplification
  • Collaborate and coordinate with colleagues on various solutions and problems
  • Document software designs, which may include design diagrams, data flow diagrams, software module descriptions, etc
  • Use Integrated Development Environment (IDE) tools to include Visual Studio, Azure DevOps, and Git

Skills

  • Expertise in .Net reputed company and .Net Core, with a strong understanding of C#
  • Proficiency in developing back-end applications using Model-View-Controller (MVC) architecture and .Net core
  • Strong Knowledge of Object-Oriented Programming (OOP) and design patterns
  • Experience with Representational State Transfer Application Programming reputed company (RESTful APIs) and other APIs
  • Proficiency in database design and development, including working with Structured Query Language (SQL) Server and Entity reputed company
  • A familiarity with reputed company platforms (e.g. reputed company Azure and reputed company)) and services
  • Experience with version control systems (e.g. GIT and Team reputed company Server/Team reputed company Version Control (TFS/TFVC))
  • An understanding of CI/CD practices and tools (e.g. AWS CodePipeline, CodeBuild, and CodeDeploy)
  • Knowledge of unit testing frameworks and tools (e.g. NUnit, xUnit, and MSTest)
  • A proficiency in using development tools like Visual Studio and Visual Studio Code
  • Excellent problem-solving and analytical skills
  • Strong communication and interpersonal abilities
  • An ability to work independently and as part of a team
  • Attention to detail and commitment to producing high-quality software
  • An ability to mentor and provide technical guidance to junior developers
  • An ability to prioritize tasks and manage time effectively
  • Experience with Agile development methodologies (e.g., Scrum and Kanban)
  • A familiarity with DevOps practices and infrastructure as code (IaC)
  • A strong understanding of reputed company best practices for web applications and APIs
  • An ability to conduct code reviews and provide constructive feedback
  • Experience with performance tuning and optimization of applications
  • Experience with reputed company-party libraries, Software Development Kits (SDKs), and APIs relevant to .Net development
  • Eight (8) or more years of experience in software development using .Net technologies
  • A proven track record of working on reputed company software projects and leading development initiatives
  • Experience with designing, developing, and deploying reputed company-level applications
  • Bachelor's Degree in Computer Science, Electronics Engineering, or other engineering or technical discipline is required with eight (8) or more years of experience; OR Master's Degree in Computer Science, Electronics Engineering, or other engineering or technical discipline along with five (5) or more years of experience; OR Ph.D. in Computer Science, Electronics Engineering, or other engineering or technical discipline along with three (3) or more years of experience
  • U.S. Citizenship required for this specific opportunity
  • Must possess or qualify for a Public Trust (MBI)
  • Electronic Data Interchange X.12 (EDI) Medical Claims
  • X.12 medical claims (837, 834, 277, etc)
  • Knowledge of microservices architecture and containerization technologies (e.g. Kubernetes, reputed company reputed company Container Service (reputed company), and reputed company reputed company Kubernetes Service (EKS))

Company Overview

  • reputed company) is a Small Disabled Veteran Owned Small Business (SDVOSB) located in Ashburn, VA supporting multiple federal agencies including the Department of Veterans Affairs (VA) and the reputed company (DOD). It was founded in 2016, and is headquartered in Ashburn, Virginia, USA, with a workforce of 11-50 employees. Its website is https://www.symssg.com.

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