Application Developer

Compunnel Inc.; Midland (TX); On-site; USD 90,000 - 140,000; Full time

Job summary

Compunnel Inc. is seeking a contract Application Developer to join its solutions team in Midland, Texas.

The role involves designing, building, and delivering high-quality applications in a modular, domain-driven environment, with opportunities to work on greenfield and legacy modernization projects. You'll collaborate with project managers, business analysts, and technical staff, apply TDD/DDD practices, and potentially contribute to ML/AI service initiatives.

Qualifications

• Bachelor’s degree in Computer Science or related field (or equivalent experience).
• 5+ years of professional software development experience.
• Backend: ASP.NET Core (.NET 8+), C#, Entity Framework Core.
• Experience with Git and CI/CD pipelines.
• Strong understanding of web application architecture, SOLID principles, TDD, and DDD.
• Strong problem-solving, communication, and collaboration skills.

Responsibilities

• Design and develop new applications and features.
• Maintain and enhance legacy applications.
• Collaborate with business and technical teams to ensure alignment with requirements.
• Perform testing, debugging, and performance tuning.
• Deliver high-quality code following established standards, patterns, and best practices.

Skills

ASP.NET Core

C#

Entity Framework Core

SOLID principles

Test-Driven Development

Domain-Driven Design

Communication

Collaboration

Education

Bachelor’s degree in Computer Science

Tools

Git

CI/CD pipelines

Job description

Client is seeking a contract Application Developer to join its solutions team. The developer will collaborate with project managers, business analysts, and technical staff to design, build, and deliver high-quality applications within a modular, domain-driven environment. This role includes both greenfield development and modernization of legacy systems. Candidates with an interest or experience in Machine Learning/AI service development will have opportunities to contribute to emerging initiatives.

Key Responsibilities

• Design and develop new applications and features.
• Maintain and enhance legacy applications.
• Collaborate with business and technical teams to ensure alignment with requirements.
• Perform testing, debugging, and performance tuning.
• Deliver high-quality code following established standards, patterns, and best practices.

Required Qualifications

• Bachelor’s degree in Computer Science or a related field (or equivalent experience).
• 5+ years of professional software development experience.
• Backend: ASP.NET Core (.NET 8+), C#, Entity Framework Core
• Experience with Git and CI/CD pipelines.
• Strong understanding of web application architecture, SOLID principles, Test-Driven Development (TDD), and Domain-Driven Design (DDD).
• Strong problem-solving, communication, and collaboration skills.

Preferred Qualifications

• Exposure to or interest in Machine Learning/AI.
• Experience integrating LLM-based solutions for document analysis, search, or automation.
• Familiarity with vector databases, embeddings, or retrieval-augmented generation.
• Experience in Oil & Gas or land administration domain.
• Master’s degree in Computer Science or a related field.