Baltimore-based .NET 8 Integration Developer (Hybrid)

Integres, LLC; Baltimore (MD); Hybrid; USD 90,000 - 120,000; Full time

Job summary

Integres, LLC in Baltimore, MD is seeking an experienced .NET Core/.NET 8 Developer for a hybrid arrangement. You will develop a high-reliability console app that integrates with EPA RCRAInfo REST APIs to securely extract, transform, and synchronize data with an internal ETS system.

The role requires 3–5+ years of C# experience, strong REST API skills, and SQL Server or Oracle expertise. Familiarity with EF Core or Dapper, Git-driven CI/CD, JSON serialization, and logging with Serilog or NLog is

Qualifications

• 3–5+ years of experience with C#, .NET Core/.NET 6/.NET 8.
• Strong experience consuming REST APIs and asynchronous programming.
• Expertise with JSON serialization (System.Text.Json or Newtonsoft.Json).
• Strong SQL Server or Oracle experience.
• Experience with Entity Framework Core or Dapper.
• Proficiency with Git, CI/CD pipelines, and Postman.

Responsibilities

• Develop .NET Core/.NET 8 console applications using C#.
• Build secure REST API integrations using HttpClient or RestSharp.
• Implement OAuth2 token-based authentication and token lifecycle management.
• Parse and transform complex JSON/XML data into business objects.
• Perform SQL Server/Oracle data inserts, updates, and upserts.
• Implement robust logging (Serilog/NLog), retry policies (Polly), and error handling.
• Support scheduled task execution with monitoring and automated notifications.

Skills

C#

REST API consumption

Async programming

JSON serialization

SQL Server/Oracle

Entity Framework Core / Dapper

Git

CI/CD pipelines

Postman

Tools

Git

CI/CD pipelines

Postman

Job description

Integres, LLC in Baltimore, MD is seeking an experienced .NET Core/.NET 8 Developer for a hybrid arrangement. You will develop a high-reliability console app that integrates with EPA RCRAInfo REST APIs to securely extract, transform, and synchronize data with an internal ETS system.

The role requires 3–5+ years of C# experience, strong REST API skills, and SQL Server or Oracle expertise. Familiarity with EF Core or Dapper, Git-driven CI/CD, JSON serialization, and logging with Serilog or NLog is