Senior Dotnet Developer

The Windsor Consulting; New Jersey; On-site; USD 63,000 - 89,000; Full time

Job summary

The Windsor Group is seeking a Senior .NET Developer to design, develop, and support high-performance Front Office trading applications within a Capital Markets environment.

The ideal candidate will possess strong expertise in C#, .NET, Microsoft SQL Server, multi-threading, asynchronous programming, and Front Office trading systems, with experience on low-latency, mission-critical applications. Knowledge of FIX Protocol, swaps, corporate actions, and equities trading is highly preferred.

Qualifications

• Deep expertise in C#, .NET, MS SQL Server, multi-threading and asynchronous programming.
• Experience with Front Office trading systems and low-latency environments is required.
• Knowledge of FIX Protocol, swaps, corporate actions, and equities trading is preferred.

Responsibilities

• Design, develop, and maintain high-performance trading applications.
• Collaborate with traders, analysts, and technology teams to optimize workflows.
• Provide Level 3 production support and perform root cause analysis for production incidents.
• Participate in code reviews, testing, and implementation activities.

Skills

Analytical skills

Problem-solving

Fast-paced environment

Stakeholder management

Tools

C#

.NET

Microsoft SQL Server

SQL Development

Multi-threading

Object-Oriented Programming

Legacy Application Support

Level 3 Production Support

Job description

Senior .NET Developer – Middle Office Trading

• Job Title: Senior .NET Developer – Front Office Trading
• Experience: 8–12+ Years
• Domain: Capital Markets / Equities Trading
• Rate- $55/hr on W2 or 1099

Role Overview

We are seeking a highly experienced Senior .NET Developer to design, develop, and support high-performance Front Office trading applications within a Capital Markets environment.

The ideal candidate will possess strong expertise in C#, .NET, Microsoft SQL Server, Multi-threading, Asynchronous Programming, and Front Office Trading systems, with experience working on low-latency, mission-critical applications. Candidates with knowledge of FIX Protocol, Swaps, Corporate Actions, and Equities Trading will be highly preferred.

Key Responsibilities

1. Software Development

• Design, develop, and maintain enterprise-grade trading applications using:
• C#
• .NET
• Microsoft SQL Server
• Develop scalable, maintainable, and high-performance solutions
• Apply SOLID principles and software engineering best practices
• Support legacy applications while contributing to modernization initiatives

2. Front Office Trading Systems

• Develop and support Front Office trading applications
• Collaborate with traders, business analysts, and technology teams
• Enhance trading workflows and support business-critical applications
• Support Equities trading and related financial systems

3. Production Support

• Provide Level 3 production support for trading applications
• Investigate and resolve production issues
• Perform root cause analysis and implement permanent fixes
• Coordinate with infrastructure, vendors, and business teams during incident resolution

4. System Implementation

• Deploy and configure application changes following SDLC and release management processes
• Support application upgrades and production releases
• Participate in testing, validation, and implementation activities
• Work closely with global development teams
• Participate in code reviews, design discussions, and technical planning
• Promote engineering best practices and continuous improvement

Required Technical Skills

• C#
• Microsoft SQL Server
• SQL Development
• Multi-threading
• Object-Oriented Programming
• Legacy Application Support
• Level 3 Production Support

Preferred Technical Skills

• FIX Protocol
• C++
• Front Office Trading Platforms
• Performance Optimization

Domain Expertise

• Capital Markets
• Equities Trading
• Front Office Trading
• Swaps
• Corporate Actions

Professional Skills

• Strong analytical and problem-solving abilities
• Ability to work in fast-paced trading environments
• Strong collaboration and stakeholder management skills