FullStack Microsoft Application Developer NET 8 with MVC

Integres, LLC; Baltimore (MD); On-site; 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

Job Description

Integres is currently seeking an experienced .NET Core/.NET 8 Developer for a hybrid opportunity based in Baltimore, MD. This role involves developing a high-reliability .NET console application that integrates with the EPA RCRAInfo REST APIs to securely extract, transform, and synchronize environmental compliance data with an internal ETS system.

Key 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

Qualifications

• 3–5+ years of experience with C#, .NET Core/.NET 6/.NET 8
• Strong experience consuming REST APIs and asynchronous programming (async/await)
• 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

Preferred Qualifications

• Experience with EPA CDX/RCRAInfo or other federal agency APIs
• Hands-on experience with Polly and Serilog
• Experience deploying .NET applications using Docker, Azure WebJobs, or Windows Task Scheduler
• Strong analytical, troubleshooting, and clean coding practices.

Location & Work Schedule

Location: Baltimore, MD (Hybrid)
Work Schedule:

• Tuesday, Wednesday, Thursday – Onsite
• Monday, Friday – Remote

Benefits

Integres offers competitive salaries bolstered by a comprehensive benefits package, which provides safety and security for our employees and their families. Our generous benefits package includes

• Healthcare and Insurance: medical, dental, vision, short- and long-term disability protection, basic life and AD&D insurance
• 401(k) Savings Plan
• Accrued Paid Time Off (PTO)
• Employee Recognition and Rewards
• Employee Referral Bonuses

EEO Statement

Integres is an equal opportunity affirmative-action employer. We encourage Minority/Female/Protected Veteran/Disabled applicants to apply. Integres, LLC proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime, or Campaign Badge Veteran, Armed Forces services Medal, or any other characteristic protected by law.

All your information will be kept confidential according to EEO guidelines.