Radley James

Builds full-stack features for a real-time trading platform — backend services, real-time APIs, and modern interfaces used by traders and clients — collaborating with engineering, product, and trading teams. Flexible hybrid working from London; specific tech stack is not detailed beyond full-stack and real-time API work.

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Radley James

2 weeks ago

Hybrid Java Developer for Low-Latency Trading

HybridUK

United Kingdom

Java developer building and enhancing low-latency, high-performance systems that support trading at a global systematic hedge fund in London, working across Java, Python, and MATLAB on a hybrid schedule (3 days onsite, 2 remote).

Senior C#/.NET Full-Stack Engineer - Dublin FinTech

EuropeSenior

Ireland

Radley James in Dublin is seeking an experienced software developer to join a fast-paced, iterative team building business-critical systems using C#/.NET and WPF. This mid-level role targets 3–10 years of experience…

Senior Full Stack Engineer (Top Market Maker)

HybridUKSenior

United Kingdom

Senior full stack engineer at a digital-assets trading firm in London, owning features end-to-end across backend services, real-time APIs and React interfaces for traders and clients. Preferred stack is React + Go (Python also considered), deployed on AWS with CI/CD and strong security practices.

API Authentication AWS CI/CD Observability +3 skills

Software Engineer

HybridUK

United Kingdom

Java developer for a global systematic hedge fund ($9bn+ AUM) in London, building and enhancing systems that support the firm's trading activities using Java, Python and MATLAB, with TDD and CI/CD. Hybrid role: 3 days onsite, 2 days remote.

CI/CD Java MATLAB Python SaaS +2 skills

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Radley James

2 weeks ago

Senior Data Engineer

Open 16d UKSenior

United Kingdom

Global Talent Director | Strategic Recruitment Across Markets | Helping High-Growth Teams Scale A global multi-strat hedge fund is expanding its core data engineering team in London. You’ll join a highly talented group…

Data Engineering Distributed Systems ETL Kafka pandas +1 skills

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Radley James

4 weeks ago

Full Stack Engineer

Open 28d APACSenior

Singapore

Senior full-stack engineer at a high-frequency proprietary trading firm, building polished TypeScript front-ends and scalable Go services powering real-time market and on-chain data applications for traders and researchers, with end-to-end ownership from design through production. Remote role within APAC.

API AWS Azure Cloud GCP +4 skills

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Radley James

2 months ago

Senior Full Stack Engineer (Typescript/GO)

Open 48d APACSenior

Singapore

A successful, growing proprietary crypto trading firm with tradfi roots is looking to grow a core engineering team focused on building out applications in direct partnership with the trading desk. You'll be part of…

AWS Azure Cloud CSS GCP +6 skills

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Radley James Limited

2 months ago

Java Software Engineer

Open 55d EuropeFull-time

Denmark

Build and maintain a low-latency Java trading platform on the front office desk, collaborating with quants and traders to solve system issues and improve architecture.

Senior Data Engineer

Open 55d EuropeSenior

Netherlands

Build and scale data pipelines for a quantitative trading firm, integrating market and alternative datasets with cloud and lakehouse tech.

Analytics Cloud Data Engineering Data Governance Data Modeling +10 skills

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Radley James

2 months ago

Senior Data Engineer: Real-Time FinTech Pipelines

Open 55d UKSenior

United Kingdom

Designs and builds scalable, real-time data pipelines and cloud-native infrastructure for a high-performance trading firm to ensure secure and reliable data handling.

Cloud Cloud Native Data Pipelines

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Radley James

2 months ago

Data Engineer

Open 55d UKFull-timeSenior

United Kingdom

Senior Data Engineer builds scalable ETL/ELT pipelines and cloud-native data infrastructure for a high-performance digital-asset trading firm, ensuring reliable, secure data access in a fast-paced environment.