Senior Systems Engineer (C#/.Net) - II

Syms Strategic Group; Green Bay (WI); On-site; USD 85,000 - 117,000; Full time

Job summary

Syms Strategic Group (SSG) is seeking a Senior Software Systems Engineer (.Net Developer) to join a remote team supporting VA-related software systems. You will engage in full-stack development using C#, .NET Framework/Core, and MVC, delivering scalable back-end services and RESTful APIs.

The role emphasizes test automation, CI/CD, and collaboration with stakeholders to define and implement robust software solutions.

Qualifications

• Expertise in .Net Framework and .Net Core with strong C#
• Proficiency in backend development using MVC and .Net Core
• Strong OOP and design pattern knowledge
• Experience with RESTful APIs and other APIs
• SQL Server/Entity Framework experience
• Familiarity with Azure/AWS cloud services
• Experience with Git and CI/CD tooling
• Knowledge of unit testing frameworks (NUnit/xUnit/MSTest)
• Proficient with Visual Studio and VS Code
• Agile/Scrum/Kanban development experience
• Security best practices for web apps and APIs
• Code reviews and mentoring of junior devs

Responsibilities

• Plan technically, define requirements, and support tests and integration
• Develop software systems from concept to deployment
• Participate in daily stand-ups as part of the Dev team
• Build .NET back-end with C#, CI/CD, and testing
• Ensure performance, quality, and responsiveness of applications
• Mentor junior developers and promote good engineering practices
• Document software designs and workflows
• Collaborate with stakeholders to refine project requirements

Skills

Net Framework & Core

C#

MVC architecture

RESTful APIs

SQL Server & EF

Cloud platforms (Azure, AWS)

CI/CD pipelines

Unit testing (NUnit/xUnit/MSTest)

Visual Studio / VS Code

Agile/Scrum/Kanban

Education

Bachelor's or higher in CS / related field

Master's degree in related field

Ph.D. in related field

Tools

Git

Azure DevOps

TFS/VSTS

Visual Studio

Docker / Kubernetes

Job description

Syms Strategic Group (SSG) is seeking a talented Senior Software Systems Engineer (.Net Developer)

Location: Remote

Department: Veterans Affairs (VA)

Type: Full Time

Min. Experience: Experienced

Security Clearance Level: Public Trust (MBI)

Salary Range: $85,389 - $116,975

***If you have previously applied to Syms Strategic Group (SSG), there is no need to reapply. Applications are still under review.***

Military Veterans are highly encouraged to apply!

Essential Duties and Responsibilities

• Perform 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
• Perform 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-ups
• 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 Continuous Integration/Continuous 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 within the Agile framework for improved reusability
• Interface 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

Required Skills and Experience

• Expertise in .Net framework 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 Interface (RESTful APIs) and other APIs
• Proficiency in database design and development, including working with Structured Query Language (SQL) Server and Entity Framework
• A familiarity with cloud platforms (e.g. Microsoft Azure and Amazon Web Services (AWS)) and services
• Experience with version control systems (e.g. GIT and Team Foundation Server/Team Foundation 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 security 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 third-party libraries, Software Development Kits (SDKs), and APIs relevant to .Net development

Professional Certifications

None required

Years of Professional Experience

• Five (5) or more years of experience in software development using .Net technologies
• A proven track record of working on complex software projects and leading development initiatives
• Experience with designing, developing, and deploying enterprise-level applications

Desired experience

• 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, Amazon Elastic Container Service (ECS), and Amazon Elastic Kubernetes Service (EKS))

Formal Education

++Bachelor's Degree++ in Computer Science, Electronics Engineering, or other engineering or technical discipline is required with eight (8) or more years of experience; ++Master's Degree++ in Computer Science, Electronics Engineering, or other engineering or technical discipline along with five (5) or more years of experience; ++Ph.D.++ in Computer Science, Electronics Engineering, or other engineering or technical discipline along with three (3) or more years of experience