Senior .NET Developer

Prestigious international financial company seeks highly talented .NET Developer to work on mission-critical design and development. Must be outstanding communicator to interface with important financial clients on major integration initiative. 6-9 month renewable contract. $900 Daily. RESPONSIBILITIES: C# Design and development of scalable, secure backend APIs in .NET/.NET Core, with a strong focus on high-quality enterprise integrations and reliable downstream services. You’ll be the technical backbone ensuring our platforms run smoothly at scale.Strong architecture and solution design expertise to simplify complex problems and define clear, long-term platform patterns. You’ll help create elegant, resilient systems that scale with customer needs.Work primarily as a backend engineer. You'll help create end-to-end solutions that feel cohesive and intuitive.Drive the safe, practical adoption of AI-powered engineering tools to increase quality, speed, and automation. TECHNICAL REQUIREMWNTS: Back-End Engineering (.NET/C#): prior experience delivering high-performance back-end services and enterprise-grade microservices using .NET/.NET Core and clean architectural patterns.API & Integration Design: Build secure, scalable REST APIs with strong downstream integrations across complex distributed systems.Cloud Engineering (AWS): Designs and operates cloud-native solutions using Lambda, ECS/EKS, API Gateway, SQS/SNS, DynamoDB, and CloudWatch.Quality, Security & Observability: Ensures reliability through automated testing (xUnit/NUnit), secure API practices (OAuth, mTLS), and deep monitoring/alerting.DevOps & Automation: Creates fully automated CI/CD pipelines and production-ready workloads using Docker, Kubernetes, Terraform, and modern DevOps tooling.AI-Driven Delivery: Leverages AI tools to accelerate coding, testing, documentation, and solution design with a strong customer-centric engineering approach. For more information, please call Bob Wallace at 02 9091 8212.