Senior Software Engineer – Full Stack (C#/React.js) at doranjones

doranjones

New York City, NY·1d ago

SeniorFull-timePythonC#ReactAWSGraphQLMicroservicesAgileGitAI

Salary Range

$70,000 - $200,000 /year

About the Role

We are looking for a Senior Software Engineer to join a high-visibility trading and compliance technology team supporting an in-house Trade Control platform. This role involves hands-on full-stack development with a focus on React front-end and .NET/C# and Python backend services.

Key Responsibilities

→Build and enhance a front-end heavy React application supporting pre-trade compliance and control workflows
→Develop and maintain backend services using .NET/C# and Python within a microservices architecture
→Design, deploy, and maintain scalable cloud infrastructure using AWS services
→Improve platform stability, performance, and scalability while delivering new features
→Work within AWS infrastructure across cloud-native services and deployments
→Own production support and issue resolution during U.S. hours, coordinating with offshore teams
→Collaborate with trading, compliance, and product stakeholders in a high-visibility environment
→Participate in design discussions and contribute to technical improvements across the platform

Requirements

✓6–8 years of professional software engineering experience
✓Strong hands-on experience with C#/.NET backend development
✓Heavy front-end experience with React (modern frameworks, state management, performance optimization)
✓Developed and integrated APIs using GraphQL
✓Experience building microservice architectures, ideally using Python for services
✓Strong experience working in AWS cloud environments
✓Experience supporting high-availability production systems
✓Ability to independently own issues and drive resolutions
✓Strong communication skills and experience working with offshore teams