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Senior Developer C# - Fixed Income (Bonds & Repo)

QUANTEAM - North America (RAINBOW PARTNERS Group), New York, NY, United States


As the founding entity of RAINBOW PARTNERS, Quanteam is a consulting firm specialized in Banking, Finance, and Financial Services. Through our core human values – proximity, teamwork, diversity, excellence – our 1000 expert consultants, hailing from 35 different nationalities, collaborate across 13 international offices: Paris, Lyon, New York, Montreal, London, Brussels, Luxembourg, Geneva, Lisbon, Porto, Casablanca, Madrid and Singapore. About the Role Our client, a leading global investment bank based in

New York City , is hiring a

Senior Front Office Fixed Income Developer

to join the technology team supporting the

Repo & Bonds trading desk . You will work on a

critical in-house trading application

used daily by Front Office stakeholders, with high visibility and direct impact on trading workflows, pricing, risk and execution. This is a hands-on role for an experienced developer who is comfortable operating in a fast-paced

Front Office environment , partnering closely with

Traders, Sales, and Desk Strategists . Key Responsibilities Design, develop, and enhance an

in-house Fixed Income trading platform

supporting Repo & Bonds activity Build new features and improve performance, stability, and user experience of Front Office tools Partner directly with

traders and desk stakeholders

to capture requirements and deliver solutions quickly Contribute to core components such as: trade booking & lifecycle workflows pricing / curve & analytics integration real-time monitoring dashboards risk and P&L views automation of manual desk processes Own the full development lifecycle: architecture, development, testing, release, and production support Work closely with cross-functional teams (Risk, Middle Office, Quant, QA, Infrastructure) to ensure end-to-end delivery Required Skills & Experience 7+ years

of software development experience (or equivalent), ideally in capital markets Strong expertise in

C# / .NET

in a production environment Proven experience supporting

Front Office users

(trading desk exposure is required) Excellent understanding of software engineering best practices: OOP / SOLID principles performance optimization system reliability and maintainability clean architecture and design patterns Strong communication skills, able to translate business needs into technical delivery Ability to work in a high-pressure environment with short delivery cycles Fixed Income / Markets Knowledge (Expected) Strong familiarity with

Fixed Income products , ideally: Repo

(GC / specials, triparty, funding workflows) Bonds

(government, corporates, IG/HY basics) Understanding of key Front Office concepts such as: trade lifecycle & confirmations market data & curves risk measures P&L drivers pricing / yield / spreads