Senior Rates Developer - Java

Location : London, Hybrid
Role Type : 12 Month Contract
Rate : £800 - £900 per day

Delta Capita is seeking a highly skilled Senior Rates Developer to join our Global Markets Technology practice. This role sits within a specialist team responsible for delivering pricing, eTrading and eRisk capabilities across Rates and FX products.

The team develops low‑latency, highly available pricing components that support:

- Rates pricing across forwards, futures, swaps and bond products

- FX forward and broker pricing

- Algorithmic and electronic execution workflows

- Pricing control tools and configuration frameworks used by traders and quants

- On‑demand quoting and curve management for eCommerce channels

- Integration of new quantitative models and external market data feeds

This is a hands‑on engineering role within a fast‑paced, high‑performance trading technology environment.

Requirements

Key Responsibilities; Work directly with eRisk quants and Rates/FX traders to gather requirements and refine technical solutions.; Contribute to the enhancement of rates pricing, FX forward pricing and STP workflows across derivatives and cash products.; Develop pricing control features (price tiering, interpolation, curve adjustments, sanity checks, off‑market controls, derived crossing, etc.).; Enhance e‑pricing infrastructure to support on‑demand quoting and curve management across eCommerce channels.; Integrate quantitative models and new market data feeds into the pricing platform.; Produce detailed technical designs aligned to solution architecture.; Implement high‑quality Java server‑side components, applying industry‑standard development patterns.; Build simulation and back‑testing environments; investigate regression issues where required.; Conduct automated unit, integration, and performance testing prior to UAT.; Deploy components into development, test and pre‑production environments.; Work with external technical teams when required.; Ensure removal of open‑source or cyber vulnerabilities, contributing to strong risk and control governance.; Participate in intraday or overnight support rota when required.; Required Technical Skills; Strong server‑side Java development experience, including multithreading.; Experience building global, distributed systems in a real‑time trading environment (24x5.5).; Proven experience developing Rates or FX pricing systems for electronic trading or eCommerce.; Knowledge of kdb+/q.; Python experience is advantageous.; Experience with low‑latency tuning, concurrent programming and distributed design patterns.; Experience with testing frameworks, CI/CD and automated deployments.; How We Work:; Who We Are:; Our 3 offerings are: