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.