Senior .NET Developer

Title: Senior .NET Developer Location: [Fort Mill, SC || New York, NY] Employment Type: [Full-time] Experience: [7 - 12 years] About the role We're hiring a .NET Developer to build secure, scalable services and APIs for wealth management platforms (portfolio accounting, order management, performance/fees, client onboarding/KYC, and integrations with custodians/market data). You'll design and deliver cloud-native solutions on AWS with a strong focus on reliability, performance, and regulatory compliance. What you'll do Design, build, and maintain C#/.NET Core microservices and RESTful APIs Develop cloud-native workloads on AWS (ECS/EKS/Lambda, API Gateway, SQS/SNS, DynamoDB/RDS, S3, CloudWatch) Implement data models for portfolio, positions, transactions, orders, entitlements, performance, fees, and reporting Integrate with custodians, market data providers, CRMs, and downstream analytics (ETL/ELT) Ensure security/compliance (OAuth2/OIDC, encryption, audit trails, PII handling) CI/CD with GitHub Actions/Azure DevOps/Jenkins, containerization with Docker, and IaC (Terraform/CloudFormation) Partner with Product/Compliance to meet regulatory and SLA requirements What you'll bring 7-9+ years in C#/.NET; strong knowledge of async, LINQ, dependency injection, unit/integration testing Hands-on AWS experience with production services and monitoring/observability Strong RDBMS (SQL Server/PostgreSQL) & ORM (EF Core); familiarity with NoSQL a plus Proficiency in front-end Angular development Understanding of event-driven patterns (SQS/SNS/Kinesis/Kafka) Nice to have Bonus: Python for data pipelines, Snowflake/Redshift, Kubernetes, FIX/Swift, Excel add-ins, BI/reporting (Power BI/SSRS), FinOps Experience in Wealth/Asset Management (e.g., OMS, portfolio accounting, corporate actions, fees & billing, performance/attribution, KYC/AML) Domain certifications (CFA/CFP/IMC), AWS certs (Developer Associate, Solutions Architect) Experience with performance tuning, low latency APIs, and data lineage J-18808-Ljbffr