Senior Software Engineer- .Net /C#

Acuity Analytics; New York (NY); On-site; USD 140,000 - 170,000; Full time

Job summary

Acuity Analytics is seeking a Senior C# / CRD Application Developer to join our Investment Technology team in New York. You will own full-stack development, build integrations with Charles River CRD, Bloomberg, VPM, Virtus, and Broadridge, and drive modernization of legacy systems with a focus on reliability and scalability.

Responsibilities include designing, developing, testing, and deploying scalable enterprise applications using .NET; collaborating with business units and vendor teams; and

Qualifications

• Hands-on expertise in C#, SQL Server, APIs, and AI-assisted software development.
• Strong problem-solving and production support capabilities.
• Experience with modern development practices and SDLC.

Responsibilities

• Design, develop, test, and deploy scalable enterprise applications using .NET technologies.
• Build and enhance internal applications and integrations with vendor platforms (CRD, Bloomberg, VPM, Virtus, Broadridge).
• Provide production support for trading, portfolio management, and investment operations.
• Lead CRD-related integrations and support activities.

Skills

C#

SQL Server

APIs

Charles River CRD

AI-assisted development

Tools

Charles River CRD

Job description

We are seeking a highly motivated Senior C# / CRD Application Developer to join our Investment Technology team. The role combines full-stack application development, vendor platform integration, modernization of legacy systems, and production support for business-critical applications used across the firm.

The successful candidate will be responsible for building and enhancing internal applications, maintaining integrations with key investment management platforms such as Charles River (CRD), Bloomberg, VPM, Virtus, and Broadridge, and driving engineering excellence through modern development practices. The role requires hands-on expertise in C#, SQL Server, APIs, and AI-assisted software development, along with strong problem-solving and production support capabilities.

A key focus of this position is supporting and enhancing the firm's investment management ecosystem while improving the reliability, scalability, and maintainability of both internally developed applications and vendor-integrated solutions.

• Application Development
• Design, develop, test, and deploy scalable enterprise applications using .NET technologies.
• Build new business applications and enhance existing internal web-based systems.
• Participate in the complete software development lifecycle, from requirements gathering through deployment and support.
• Develop, maintain, and support integrations with key vendor platforms including Charles River Development (CRD), Bloomberg, VPM, Virtus, and Broadridge Security Master
• Design and implement API-based integration solutions to support investment management and operational workflows.
• Ensure data integrity, availability, and performance across integrated systems.
• Serve as a technical lead for Charles River OMS integrations and support activities.
• Develop and maintain interfaces, APIs, and workflows involving Charles River.
• Troubleshoot and resolve production issues impacting trading, portfolio management, and investment operations.
• Collaborate with business and vendor teams to improve CRD-related processes and functionality.
• Refactor and modernize legacy applications and integration frameworks.
• Implement best practices for coding, testing, monitoring, performance optimization, and documentation.
• Drive improvements in application reliability, maintainability, scalability, and operational supportability.
• AI-First Development
• Leverage AI-powered development tools such as Claude Code, GitHub Copilot, Cursor, or equivalent solutions for solution design, code generation, testing, debugging, and documentation.
• Promote AI-assisted development practices to improve engineering productivity and code quality.