.NET Solution Architect –Modernization & Cloud Transformation

About the Role We are looking for a hands-on .NET Solutions Architect to lead the modernization of a large-scale enterprise platform. This role focuses on reverse engineering legacy systems, uncovering hidden business logic, and designing scalable, cloud-ready architectures that will define the platform’s future. You will play a critical role in evaluating the existing system, defining target architecture, and ensuring a scalable, secure, and future-ready solution aligned with business goals. Key Responsibilities Analyze and assess the existing .NET application (architecture, codebase, dependencies, and data flows) Define and own the modernization roadmap from current .NET to the latest .NET (Core / .NET 8+) stack Design and implement a microservices-based architecture using modern design patterns Lead the migration to AWS Cloud, defining cloud-native architectures and best practices Establish standards for API design, service communication, security, and observability Guide teams on strangler, re-platforming, and re-engineering strategies Work closely with product owners, business stakeholders, and engineering teams Review and approve architecture designs, code standards, and technical implementations Ensure scalability, performance, resiliency, and cost optimization in the target architecture Mentor senior and mid-level engineers on cloud and microservices best practices Drive governance, risk mitigation, and technical decision-making across the program Requirements Required Qualifications 12+ years of experience in software engineering with deep expertise in .NET technologies Strong hands-on experience with C# .NET Framework applications Proven experience modernizing or migrating monolithic applications to microservices Expertise in latest .NET stack (.NET Core / .NET 6/7/8) Strong understanding of microservices architecture patterns Domain-Driven Design (DDD) API Gateway, Service Discovery Event-driven and synchronous communication Extensive experience with AWS Cloud, including services such as: EC2, ECS / EKS Lambda API Gateway RDS / DynamoDB S3 IAM, VPC Experience with containerization (Docker, Kubernetes) Strong knowledge of CI/CD pipelines and DevOps practices Solid understanding of security, performance, and scalability in distributed systems Excellent communication and stakeholder management skills Nice to Have Experience with hybrid modernization approaches (Strangler Fig, Incremental Migration) Exposure to event-driven architectures (Kafka, SNS/SQS) Knowledge of Infrastructure as Code (Terraform, CloudFormation) Experience in regulated or large-scale enterprise environments Background in leading modernization programs across multiple teams