.NET Developer – Airlines

Appex Innovation; Houston (TX); On-site; USD 90,000 - 130,000; Part time

Job summary

Appex Innovation in Houston, TX is seeking a .NET Developer for a hybrid contract role. You will design, build and deploy back-end services using .NET, SQL Server and REST APIs, and collaborate with cross-functional teams.

The ideal candidate has strong experience with ASP.NET, MVC, C#, familiarity with AWS and DevOps tooling, and can adapt to an airline domain. This contract-W2 position offers remote-flexibility and challenging, modern projects.

Qualifications

• Proven experience as a .NET Developer.
• Familiarity with ASP.NET MVC and SQL Server.
• Knowledge of REST APIs and modern web architectures.

Responsibilities

• Develop software using .NET framework.
• Collaborate with internal teams to design and implement solutions.
• Write clean, scalable code and perform testing.
• Maintain and improve existing applications through SDLC.
• Provide technical support and documentation.

Skills

Advanced .NET

Architecture exp.

AWS-native

DevOps

Tools

Docker

Kubernetes

REST APIs

Job description

We are hiring a .NET Developer with our client in Houston, TX for a Hybrid role.

Job Details:

Role: .NET Developer

Location - Houston - Hybrid, could do Chicago, IL

Work Authorization - USC or Green Card

Domain: Airlines

Type: Contract-W2

Job Summary: Program and build software using languages and technologies of the .NET framework. You will create applications from scratch, configure existing systems and provide user support. Primary Responsibilities: Participate in requirements analysis Collaborate with internal teams to produce software design and architecture Write clean, scalable code using .NET programming languages Test and deploy applications and systems Revise, update, refactor and debug code Improve existing software Develop documentation throughout the software development life cycle (SDLC) Serve as an expert on applications and provide technical support

Qualifications: Proven experience as a .NET Developer Familiarity with the ASP.NET framework, SQL Server and design/architectural patterns (e.g. Model-View-Controller (MVC)) Knowledge of at least one of the .NET languages (e.g. C#, Visual Basic .NET) and HTML5/CSS3 Familiarity with architecture styles/APIs (REST, RPC) Understanding of Agile methodologies

Top 3 skill sets required for this role:

• 1. Advanced .NET
• 2. Architecture exp.
• 3. AWS - Native
• 4. DevOps, Cloud

Nice to have skills or certifications:

• 1. AI/Copilot/GenAI
• 2. Strong communication skills (Oral and Written)
• 3. Independent thinker / Self Driven
• Advanced .NET (C#, .NET Core8/10), REST APIs, microservices
• AWS-native services: Lambda, API Gateway, S3, DynamoDB, MongoDB, RDS, SQS/SNS, IAM, VPC
• Cloud architecture & leadership: design reviews, mentoring, solution ownership
• DevOps: CI/CD (GitHub Actions/Azure DevOps), Docker, Kubernetes, IaC (CloudFormation/Terraform)
• Observability & reliability: CloudWatch, Dynatrace, logging, monitoring, performance tuning
• AI-assisted development (medium): GitHub Copilot, basic LLM integration