Senior .NET Backend Engineer

Job Title: Senior .NET Backend Engineer
Company: Whiztekcorp (Staffing Partner)
Location: Houston, TX (2 Days/Week Onsite)
Job Type: Contract – Long Term

About Whiztekcorp

Whiztekcorp is a trusted IT consulting and staffing firm providing skilled technology professionals to enterprise and growth-stage clients across the United States. The firm specializes in delivering high-quality technical talent for large-scale, mission-critical digital platforms.

Client Overview (Global Enterprise Airline – Confidential)

Our client is a leading global airline enterprise operating complex, mission-critical technology ecosystems across flight operations, passenger services, digital booking platforms, loyalty systems, and enterprise IT infrastructure. The organization operates at the intersection of aviation operations, regulatory compliance, and large-scale digital transformation, delivering highly available, secure, and scalable platforms that support global operations, real-time data processing, and seamless customer experiences. The enterprise places strong emphasis on platform resilience, cloud scalability, system reliability, and operational excellence.

Primary Skills

.NET Core, C#, ASP.NET Core Web API, Microservices, AWS, Kafka, MongoDB/DynamoDB, Distributed Systems

Job Description

Whiztekcorp is seeking a Senior .NET Backend Engineer to support enterprise-grade, cloud-native platforms for a global airline technology environment. The role requires strong hands-on experience in C#, ASP.NET Core, Microservices architecture, AWS cloud services, and distributed systems, with a focus on building secure, scalable, high-availability APIs and modernizing legacy systems that support mission-critical airline operations.

The engineer will work on large-scale enterprise platforms, supporting real-time systems that power passenger services, operational workflows, and digital airline ecosystems.

Key Responsibilities

• Develop RESTful APIs using C# and ASP.NET Core Web API

• Design and implement Microservices & Event-Driven Architectures

• Apply strong expertise in Async/Await, multithreading, concurrency, and performance tuning

• Work with MongoDB / DynamoDB data stores

• Implement data consistency patterns (Saga, Aggregate)

• Enforce security best practices (OWASP, CSRF, SSRF, encryption)

• Build and integrate Kafka / Message Brokers

• Utilize AWS services and manage CI/CD pipelines

• Implement logging, monitoring, and observability solutions (OpenTelemetry, Dynatrace, Grafana)

• Ensure code quality using SonarQube

• Handle production support, resilience engineering, retry strategies, and circuit breaker patterns

Nice to Have

• Feature flags implementation

• API versioning and backward compatibility strategies

• Docker / Kubernetes experience

Experience Level

Senior Level (8+ years preferred)

Apply

Apply directly via Dice or through Whiztekcorp recruitment team.