Mid Level Software Engineer C#

System One; Merrifield (VA); Hybrid; USD 95,000 - 105,000; Full time

Job summary

System One in Merrifield, VA is seeking a Mid-Level Software Engineer with strong C/C++ or C# experience to design, develop, and maintain software applications. The role emphasizes collaboration, code quality, and contribution to CI/CD workflows on-site with one remote day per week.

You will work with Visual Studio, GitHub, and Jenkins in a team-driven environment, delivering robust enterprise solutions while growing your technical skills and career.

Qualifications

• Bachelor's degree in CS or related field.
• 3+ years in software development with C#/NET; C/C++ preferred.
• Proficiency in C/C++/C# and Visual Studio.
• Experience with Jenkins CI/CD and GitHub.
• Familiarity with enterprise environments and best practices.
• Strong problem solving, analytical and communication skills.

Responsibilities

• Design, develop, test, and maintain software applications.
• Write clean, efficient, and well-documented code in C, C++, and/or C#.
• Use Visual Studio for dev, debugging, testing, and deployment.
• Collaborate with cross-functional teams to gather requirements.
• Troubleshoot, debug, and improve existing applications.
• Participate in code reviews and promote best practices.
• Support CI/CD and releases using Jenkins, and manage code in GitHub.

Skills

C/C++

C#

Problem solving

Communication

Education

Bachelor's degree in Computer Science or related field

Tools

Microsoft Visual Studio

.NET ecosystem

Jenkins

GitHub

Job description

Mid-Level Software Engineer
C/C++ or C# Software Engineer
Direct-Hire
Location: Merrifield, VA – 4 days on-site/ 1 day remote
Annual Salary Range: $95,000 to $105,000 plus benefits
Federal End Customer: US Citizenship, eligibility for a Public Trust clearance required

Overview

We are seeking a talented and motivated Mid-Level Software Engineer to join our client’s growing development team. The ideal candidate will have a strong foundation in software engineering principles, hands‑on development experience, and a passion for building high-quality software solutions. This role offers the opportunity to work on impactful projects in a collaborative and innovative environment.

Join our team and help build innovative software solutions that drive business success while advancing your career in a dynamic and collaborative environment.

Responsibilities

• Design, develop, test, and maintain software applications and systems.
• Develop clean, efficient, and well‑documented code using C, C++, and/or C#.
• Utilize Microsoft Visual Studio for development, debugging, testing, and deployment activities.
• Collaborate with cross‑functional teams to gather requirements and deliver high‑quality software solutions.
• Troubleshoot, debug, and enhance existing applications.
• Participate in code reviews and contribute to software development best practices.
• Support CI/CD processes and software releases using tools such as Jenkins.
• Work with version control systems, including GitHub, to manage code repositories.

Required Qualifications

• Bachelor's degree in Computer Science, Software Development, or a related technical field from an accredited university.
• 3+ years of professional software development experience. Experience developing applications using C# and the Microsoft .NET ecosystem. Experience with C/C++ is preferred.
• Proficiency in C, C++, and/or C#.
• Experience with Microsoft Visual Studio.
• Working knowledge of CI/CD tools such as Jenkins.
• Experience using GitHub or similar version control platforms.
• Familiarity with enterprise environments, including EBS platforms or similar enterprise applications.
• Strong understanding of software development methodologies and best practices.
• Excellent problem‑solving, analytical, and communication skills.Ability to work both independently and collaboratively within a team environment.

Preferred Qualifications

• Master's degree in a related field.
• Experience working in Agile/Scrum development environments.
• Knowledge of software testing frameworks and debugging techniques.
• Experience integrating software solutions with enterprise systems and platforms.

What We Offer

• Competitive salary and comprehensive benefits package.
• Opportunities for career growth and professional development.
• Collaborative, team-oriented culture.
• Exposure to innovative technologies and challenging projects.
• Supportive leadership and mentorship opportunities.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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