F# Developer

Senior F# Full Stack Developer / Distributed Systems Engineer Needed at a Leading NYC Hedge Fund
Developer (Consultant)

Location: Dallas, TX
Compensation: TBD, This is a contract position. You will sign a consulting agreement and be paid a per diem rate. Preference given to direct C2C candidates without a 3rd party.

COMPANY OVERVIEW:

Mazuma Software is a small technology consulting firm specializing in systems development for the hedge fund industry.

WE NEED YOU:

We are seeking a strong mid‑ to senior‑level F# developer to join our team supporting a large, technologically progressive hedge fund in midtown Manhattan. You should be comfortable working independently, adapting quickly, and consistently delivering high‑quality functional code. The right candidate takes pride in craftsmanship, communicates clearly, and brings strong analytical and problem‑solving skills.

RESPONSIBILITIES:

• Architect, build, and maintain distributed systems using F#, messaging patterns, and functional programming best practices
• Implement clean, testable, well‑documented functional code
• Deliver high‑quality technical solutions with efficient time‑to‑market
• Participate in full life‑cycle software development, from design to deployment
• Design and implement robust RESTful APIs and service integrations
• Contribute ideas for new features, architectural improvements, and system optimizations
• Collaborate effectively across teams, including non‑engineering groups
• Work closely with C# and NServiceBus developers to ensure seamless interoperability across systems

REQUIRED SKILLS:

• Expert‑level F# and strong understanding of functional programming principles
• Experience with financial applications and handling large datasets.
• Experience building distributed systems, event‑driven architectures, or message‑based workflows
• Strong understanding of .NET and the broader .NET ecosystem
• Experience designing and building web services and APIs
• Strong SQL Server experience and database design fundamentals
• Experience with Git or similar version control systems
• Familiarity with REST APIs, WebSockets, and integration patterns
• Experience with unit testing frameworks (Expecto, NUnit, xUnit, etc.)
• Systems integration experience in complex enterprise environments
• Experience with CI/CD tools such as TeamCity, Azure DevOps, or similar

DESIREC SKILLS:

• Experience with messaging frameworks (NServiceBus, MassTransit, or similar)
• Distributed system design and messaging patterns
• Azure cloud services or cloud migration experience
• Experience with functional UI frameworks or modern .NET UI stacks
• ServiceStack experience
• Financial systems integration (Investran, Bloomberg, Charles River, WSO)
• Familiarity with both functional and OO paradigms in mixed‑language environments

Job Types: Full-time, Contract

Pay: $600.00 - $680.00 per day

Application Question(s):

• Are you applying on behalf of someone else
• What state are you located in?

Experience:

• C#: 7 years (Preferred)
• Distributed systems: 5 years (Preferred)
• F#: 7 years (Preferred)
• SQL: 6 years (Preferred)

Location:

• Dallas, TX 75205 (Preferred)

Ability to Commute:

• Dallas, TX 75205 (Preferred)

Work Location: Hybrid remote in Dallas, TX 75205