Application Developer C#

Liberty Personnel Services, Inc.; King of Prussia (PA); On-site; USD 70,000 - 110,000; Full time

Job summary

Liberty Personnel Services, Inc. in King of Prussia, PA seeks Application Developers at multiple levels to design, develop, test, and maintain software applications and data systems for manufacturing and industrial environments.

Roles involve solving problems with C# and VB.NET, SQL Server, and SCADA, and may require travel to customer sites. Senior/Lead roles offer architecture input, mentoring, and project guidance within a collaborative, multi-disciplinary team.

Qualifications

• 0–2+ years of software development experience.
• Knowledge of C#, VB.NET, or another object‑oriented programming language.
• Basic understanding of SQL/database concepts.
• Bachelor's degree in Computer Science, Engineering, or related field preferred.
• 5+ years of professional development experience.
• Strong expertise with C# and/or VB.NET.

Responsibilities

• Design, develop, test, and maintain software applications and systems.
• Develop solutions using C# and/or VB.NET.
• Must have experience with SCADA.
• Work with Microsoft SQL Server, databases, and data-driven applications.
• Troubleshoot and resolve application and system issues.
• Develop software supporting automation, manufacturing, and business processes.
• Create technical documentation and maintain development standards.
• Collaborate with engineering, controls, IT, and business teams.
• Participate in system integration, testing, implementation, and support.
• Senior and Lead-level professionals may provide technical leadership, architecture, mentoring, and project guidance.
• Travel to customer/project sites as needed.

Skills

C#

VB.NET

SQL

SCADA

Problem solving

Education

Bachelor's degree in Computer Science, Engineering, or related field

Tools

SQL Server

Job description

Hybrid - Must be local

No Sponsorship - No Third Parties

About the Opportunity

Our client in King of Prussia is growing their technology department and is seeking Application Developers at multiple levels. These roles support the development of software applications, automation solutions, data systems, and business process technologies used in manufacturing and industrial environments.

You’ll work alongside experienced engineers and developers to design, develop, document, test, troubleshoot, and maintain reliable software solutions. Some positions may require travel to customer or project sites.

Responsibilities

• Design, develop, test, and maintain software applications and systems.
• Develop solutions using C# and/or VB.NET.
• Must have experience with SCADA
• Work with Microsoft SQL Server, databases, and data-driven applications.
• Troubleshoot and resolve application and system issues.
• Develop software supporting automation, manufacturing, and business processes.
• Create technical documentation and maintain development standards.
• Collaborate with engineering, controls, IT, and business teams.
• Participate in system integration, testing, implementation, and support.
• Senior and Lead-level professionals may provide technical leadership, architecture, mentoring, and project guidance.
• Travel to customer/project sites as needed.

Qualifications

Junior Application Developer

• 0–2+ years of software development experience.
• Knowledge of C#, VB.NET, or another object‑oriented programming language.
• Basic understanding of SQL/database concepts.
• Strong problem-solving and communication skills.
• Bachelor's degree in Computer Science, Engineering, or related field preferred.

Senior Application Developer

• 5+ years of professional development experience.
• Strong expertise with C# and/or VB.NET.
• Proven ability to design and structure applications and complex software solutions.
• Strong troubleshooting and problem-solving abilities.
• Excellent communication and technical writing skills.

Education

• Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, Mechanical Engineering, Chemical Engineering, or a related field, or

Ideal Candidate

Successful candidates are hands‑on, analytical, collaborative, and strong problem‑solvers who enjoy developing technology that connects software, data, automation, and real‑world industrial processes.