Hybrid Middle-Tier DB Developer (C#/Oracle)

Age-Solutions; Philadelphia (Philadelphia County); Hybrid; USD 85,000 - 115,000; Full time

Benefits offered by this job

26 Days Paid Leave

Performance Bonuses

401(k) with Match

Health Benefits

Job summary

AGE Solutions is seeking a Middle-Tier Database Developer to design, develop, and optimize backend systems using C# and .NET, interacting with Oracle databases and enterprise systems.

You will implement RESTful APIs, data-access components, and complex SQL/PL-SQL work, while applying SOLID principles and clean architecture. The role requires collaboration with frontend and backend teams and on-site presence in Northeast Philadelphia each Wednesday.

Qualifications

• Applicants must have a Bachelor's degree and DoD IAT Level II familiarity is preferred
• Minimum 5 years of related experience in middle-tier development and database work
• Strong C#, .NET, Oracle SQL, and REST API design skills

Responsibilities

• Design, develop, and maintain middle-tier services and backend components using C# and .NET
• Build robust RESTful APIs and data-access layers for Oracle back ends
• Optimize database performance, queries, and data integrity across systems
• Collaborate with cross-functional teams for architecture and deployments
• Troubleshoot production issues across application and data layers

Skills

C#

.NET

REST APIs

SQL

Oracle

Angular

Docker

Kubernetes

Azure

SOLID principles

Education

Bachelor's degree

Tools

Azure DevOps

Visual Studio

TOAD SQL Editor

Git

Entity Framework

Job description

AGE Solutions is seeking a Middle-Tier Database Developer to design, develop, and optimize backend systems using C# and .NET, interacting with Oracle databases and enterprise systems.

You will implement RESTful APIs, data-access components, and complex SQL/PL-SQL work, while applying SOLID principles and clean architecture. The role requires collaboration with frontend and backend teams and on-site presence in Northeast Philadelphia each Wednesday.