Senior .NET Applications Engineer: API & Data Integrations

Targa Resources; Houston (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

Targa Resources in Houston, TX, is seeking a Senior Application Developer to design, develop, integrate, and support critical business applications for midstream operations. This hands-on software engineering role partners with technical leaders and stakeholders to deliver secure, scalable solutions.

Responsibilities include building .NET web apps (.NET 8+, C#, ASP.NET Core), REST API integrations, ETL/SSIS, and data workflows with SQL Server; driving CI/CD with Azure DevOps and Git, reviewing

Qualifications

• Bachelor's degree or equivalent professional experience in CS/IS/Engineering.
• 10+ years of hands-on software development experience building and supporting enterprise applications.
• Strong experience with modern .NET web applications (.NET 8+, C#, ASP.NET Core).
• Experience designing, building, and consuming REST API integrations.
• Proficiency with Microsoft SQL Server, including T-SQL, stored procedures, query tuning, and schema design.
• Proficiency with Azure DevOps source control, work item tracking, build, and release pipelines.
• Experience with OO design, SOLID, and common design patterns.
• Regular and reliable attendance.

Responsibilities

• Design and develop in-house business applications using modern .NET, Microsoft SQL Server, and related Microsoft technologies.
• Develop, configure, and support third-party application customizations and integrations using vendor SDKs and REST APIs.
• Author solution design and technical design documents.
• Work with Architecture team and follow approved architectural standards.
• Perform peer code reviews and ensure adherence to coding, security, and quality standards.
• Handle escalated production issues, root-cause analysis, and bug fixes across owned applications and integrations.
• Drive and participate in development process improvements, including CI/CD pipelines in Azure DevOps, branching strategies in Git, and release management practices.
• Partner with project teams, business stakeholders, and end users to refine requirements and translate business needs into technical solutions.
• Create and maintain technical documentation, deployment runbooks, and knowledge-base articles to support long-term application sustainability.
• Apply secure development practices throughout the application lifecycle.

Skills

.NET

C#

ASP.NET Core

REST APIs

SQL Server

T-SQL

Azure DevOps

Git

CI/CD

SOLID principles

Design patterns

Unit testing

Education

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

Tools

Boomi

SSIS

Selenium

UIPath

Python

PowerShell

Azure DevOps

Git

Job description

Targa Resources in Houston, TX, is seeking a Senior Application Developer to design, develop, integrate, and support critical business applications for midstream operations. This hands-on software engineering role partners with technical leaders and stakeholders to deliver secure, scalable solutions.

Responsibilities include building .NET web apps (.NET 8+, C#, ASP.NET Core), REST API integrations, ETL/SSIS, and data workflows with SQL Server; driving CI/CD with Azure DevOps and Git, reviewing