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About the Role

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, FX forward and broker pricing, algorithmic and electronic execution workflows, pricing control tools, on‑demand quoting and curve management, and 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.

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.

Requirements

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.
A valid working permit for the UK is mandatory.

Skills

Java
Multithreading
kdb+/q
Python
Low-latency tuning
Concurrent programming
Distributed design patterns
Testing frameworks
CI/CD
Automated deployments

Location

London

Work Type

Hybrid
12 Month Contract
Full-time

Experience Level

Senior

Salary/Compensations

£800 - £900 per day

About the Company

Delta Capita Group (a member of the Prytek Group) is a global managed services, consulting, and solutions provider with a unique combination of experience in Financial Services and technology innovation capability.
Our mission is to reinvent the financial services value chain providing technology based mutualized services for financial institutions for non-differentiating services.
Our 3 offerings are: Managed Services, Consulting & Solutions, Technology.

Equal Opportunity

Delta Capita is an equal opportunity employer. We positively encourage applications from suitably qualified and eligible candidates regardless of age, colour, disability, national origin, ancestry, race, religion, gender, sexual orientation, gender identity and/or expression, veteran status, genetic information, or any other status protected by applicable law.
We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. If you require any reasonable adjustments through your interview process, please use the designated space within the application questionnaire.