Software Developer, Investment Operations Technology - Stamford, CT

Abacus Group, LLC; Stamford (CT); On-site; USD 120,000 - 180,000; Full time

Job summary

Abacus Group, LLC is seeking a mid-to-senior Software Developer for a Connecticut hedge fund. You will design, build, and support Windows and web-based applications for middle and back-office processing, real-time pricing, and valuation, collaborating with a small team.

You’ll work with technology peers, business users, and stakeholders to deliver robust, maintainable software that supports critical investment operations.

Qualifications

• Bachelor’s degree in computer science or a related field.
• 5+ years of software development experience in financial services or investment management.
• Proficiency in C#, object-oriented programming, concurrency, Agile practices, and unit testing.
• Experience with SQL Server, data modeling, query development, and data integration.
• Experience with messaging middleware, SOA, APIs, and distributed systems.
• Experience coding with AI-assisted development tools in secure environments.
• Knowledge of portfolio management workflows, valuation workflows, and real-time market data APIs.

Responsibilities

• Design, develop, and maintain Windows and web-based applications supporting middle and back-office processes.
• Analyze existing systems to improve robustness, scalability, performance, reliability, and maintainability.
• Conduct unit, integration, and product testing across the software development life cycle.
• Partner with developers, business users, and stakeholders to gather requirements, define scope, and deliver solutions aligned with business needs.

Skills

C#

Object-oriented programming

Concurrency

Agile methodologies

Unit testing

Real-time pricing

Valuation concepts

Education

Bachelor's degree in computer science

Tools

SQL Server

Data modeling

Query development

APIs

Distributed systems

Middleware

Job description

A well-established Connecticut hedge fund is seeking a mid-to-senior level Software Developer to design, build, and support Windows and web-based applications for middle and back-office processing, real-time pricing, and valuation. You’ll join a small, collaborative development team and work closely with technology peers, business users, and other stakeholders to deliver robust, maintainable software that supports critical investment operations.

Responsibilities

• Design, develop, enhance, and maintain Windows and web-based applications supporting middle and back-office processes, real-time pricing, and valuation
• Analyze existing systems to improve robustness, scalability, performance, reliability, and maintainability
• Conduct unit, integration, and product testing across the software development life cycle
• Partner with developers, business users, and stakeholders to gather requirements, define scope, and deliver solutions aligned with business needs

Requirements

• Bachelor’s degree in computer science or a related field
• 5+ years of software development experience in financial services or investment management
• A meaningful combination of the following:
• C#, object-oriented programming, concurrency, Agile practices, and unit testing
• SQL Server, data modeling, query development, and application data integration
• Messaging-oriented middleware, service-oriented architecture, APIs, and distributed systems
• Coding agents and AI-assisted development tools, used within secure, quality-controlled practices
• Portfolio management systems, including security master, trades, allocations, positions, and P&L workflows
• Valuation workflows, real-time market data APIs, and financial modeling concepts

This role is fully on-site in Connecticut, Monday through Friday.