Senior Full-Stack .NET Developer — Integration & Apps

TriQuest Business Services; San Antonio (TX); On-site; USD 90,000 - 110,000; Full time

Job summary

TriQuest Business Services in San Antonio, TX is seeking a resourceful Full Stack .NET Developer to support enterprise applications, integration, and ongoing maintenance. The role blends development with business analysis and third-party system integration.

Ideal candidates are proactive, curious, and capable of investigating problems and taking initiative without step-by-step direction. Healthcare experience is a plus.

Qualifications

• Bachelor's degree in Computer Science, Computer Engineering, or a related field.
• 5–7 years of experience in ASP.NET, C#, and full-stack software development.
• Hands-on experience with HTML5, CSS, JavaScript, AngularJS, and Git.
• Strong SQL Server development skills and experience with database design or administration.
• Experience with VB.NET or other .NET technologies.
• Understanding of object-oriented programming, software design patterns, and development best practices.
• Experience with APIs and integration architectures, including REST and SOAP; familiarity with RPC is beneficial.
• Thorough understanding of the software development lifecycle.
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent written and verbal communication skills, including technical documentation.
• Ability to collaborate effectively with cross-functional teams, internal business partners, and external vendors.
• Demonstrated initiative, curiosity, resourcefulness, and the ability to work independently.

Responsibilities

• Participate in all phases of the software development lifecycle, including requirements analysis, planning, technical design, development, testing, implementation, and documentation.
• Develop, enhance, maintain, and troubleshoot full-stack applications using the Microsoft .NET technology stack.
• Perform application and system integrations, working with APIs, databases, and third-party business applications.
• Analyze business requirements and collaborate with stakeholders to translate operational needs into technical solutions.
• Provide ongoing support and maintenance for existing applications, resolving defects and investigating system issues.
• Research, test, and recommend business application solutions that meet organizational needs.
• Assist with the installation, configuration, testing, and deployment of third-party applications.
• Develop application prototypes, screen frameworks, and software enhancements based on established specifications.
• Work with SQL Server databases, database administration tasks, data warehouse environments, and existing SSIS packages.
• Review code and application designs for quality, security, consistency, and compliance with established IT standards.
• Document technical processes, system designs, troubleshooting steps, and application changes.
• Communicate project progress, technical findings, and potential issues to management and relevant stakeholders.
• Take ownership of problems by investigating root causes, identifying solutions, and recommending improvements.

Skills

ASP.NET / C#

Full-stack development

HTML5

CSS

JavaScript

AngularJS

Git

SQL Server

VB.NET

Object-oriented programming

REST APIs

SOAP APIs

SDLC

Problem solving

Technical documentation

Education

Bachelor's degree in Computer Science / related field

Tools

SSIS

Informatica

Job description

TriQuest Business Services in San Antonio, TX is seeking a resourceful Full Stack .NET Developer to support enterprise applications, integration, and ongoing maintenance. The role blends development with business analysis and third-party system integration.

Ideal candidates are proactive, curious, and capable of investigating problems and taking initiative without step-by-step direction. Healthcare experience is a plus.