Senior ERP Applications Engineer - C# & SQL

HTF Inc; Frederick (MD); On-site; USD 110,000 - 160,000; Full time

Benefits offered by this job

Medical, dental and vision Insurance

401(k) Plan with Employer Match

Paid holidays

Disability insurance

Life insurance

Job summary

Hi-Tech Fasteners, Inc. (HTF) is seeking a Senior Applications Developer to own the ERP extension portfolio built on Epicor Prophet 21.

You will design and ship C# / .NET applications, optimize T-SQL, and drive customization versus configuration decisions across Sales, Purchasing, Distribution and Accounting. The role requires strong engineering judgment, mentoring junior staff, and coordinating with Epicor and third-party partners for reliable, scalable solutions.

Qualifications

• 7+ years of professional software development experience with C# / .NET.
• Advanced SQL Server skills: complex T-SQL, stored procedures, indexing, and performance tuning.
• Experience integrating business systems via REST or SOAP APIs, queues, file interfaces, or EDI.

Responsibilities

• Design, build, and maintain C# / .NET applications, services, and integrations for P21 and ecommerce storefronts.
• Write and optimize complex T-SQL against the P21 database, including performance tuning.
• Own P21 customization portfolio: rules, screens, extensions, and configuration decisions.

Skills

C# / .NET

T-SQL

SQL Server

REST APIs

SOAP APIs

Message queues

EDI

Education

Bachelor’s degree in Computer Science, Information Systems, or related field

Tools

Prophet 21

Git

Power BI

Job description

Hi-Tech Fasteners, Inc. (HTF) is seeking a Senior Applications Developer to own the ERP extension portfolio built on Epicor Prophet 21.

You will design and ship C# / .NET applications, optimize T-SQL, and drive customization versus configuration decisions across Sales, Purchasing, Distribution and Accounting. The role requires strong engineering judgment, mentoring junior staff, and coordinating with Epicor and third-party partners for reliable, scalable solutions.