Lead .NET Developer

About the role

We’re hiring a Lead .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.

Responsibilities

• 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).
• 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.

Requirements

• 10-16 years in C#/.NET; strong knowledge of async, LINQ, dependency injection, unit/integration testing.
• Hands-on AWS experience is required, 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 (preferred), banking or financial services.
• Domain certifications (CFA/CFP/IMC), AWS certs (Developer Associate, Solutions Architect).
• Experience with performance tuning, low latency APIs, and data lineage.