Full Stack Engineer

Addison Group; Houston (TX); On-site; USD 120,000 - 160,000; Full time

Job summary

Addison Group seeks a seasoned Full Stack Developer to support a mature enterprise application environment. This role requires deep experience across backend, database, and application development, with the ability to work within a complex, long-standing system landscape.

The ideal candidate brings strong technical fundamentals, adaptability to proprietary tools, and a modern development mindset. The role focuses on designing, developing, and maintaining full stack applications, leveraging .NET,

Qualifications

• 10+ years of professional development in enterprise environments.
• -.NET, SQL/PLSQL, and C# proficiency required.
• Experience with enterprise systems and debugging.
• Familiarity with AI concepts in software development lifecycle.

Responsibilities

• Design, develop, and maintain full stack applications.
• Build and enhance backend services using .NET technologies.
• Develop and optimize database logic using SQL and PL/SQL.
• Support and extend application development using C# and internal frameworks.
• Collaborate with cross-functional teams to troubleshoot, debug, and improve existing applications.
• Participate in code reviews and system enhancements.

Skills

10+ yrs exp

.NET

SQL

PL/SQL

C#

Enterprise systems

AI concepts

Debugging

Independent work

Marble/IFS

Tools

Marble

IFS

Job description

We are seeking a seasoned Full Stack Developer to support a mature enterprise application environment. This role requires deep experience across backend, database, and application development, with the ability to work within a complex, long-standing system landscape. The ideal candidate brings strong technical fundamentals, adaptability to proprietary tools, and a modern development mindset.

Key Responsibilities

• Design, develop, and maintain full stack applications supporting core business systems
• Build and enhance backend services using .NET technologies
• Develop and optimize database logic using SQL and PL/SQL, including queries, procedures, and performance tuning
• Support and extend application development using C# and internal frameworks
• Work within a homegrown application environment (Marble, built on IFS) and adapt quickly to proprietary tooling (experience with Marble is not required)
• Collaborate with cross-functional teams to troubleshoot, debug, and improve existing applications
• Participate in code reviews, technical problem-solving, and system enhancements

Required Experience & Skills

10+ years of professional development experience

• Strong hands-on experience with:
• .NET
• SQL and PL/SQL
• C#
• Application development in complex or enterprise systems
• Strong debugging, troubleshooting, and problem-solving skills
• Ability to work independently and take ownership of system components
• Understanding of AI concepts within the software development lifecycle, such as:
• Integrating AI-driven features into applications
• Awareness of how AI impacts system design or development workflows

What We’re Looking For

• Someone who can balance maintaining existing functionality while supporting modernization efforts
• A pragmatic engineer who can adapt to uncommon or homegrown tools and still deliver reliably