Radley James

About the Company

Radley James connects skilled professionals with meaningful opportunities in finance and tech to help clients gain an edge and talented individuals secure their ideal careers.

We do this by providing honest, transparent, and professional recruitment services that match candidates' and clients' needs and aspirations. Following a rigorous and ethical process ensures quality and integrity at every step. We deliver on our promises and exceed expectations.

Radley James is a financial and tech recruitment agency that offers various services, such as executive search, talent acquisition, career coaching, market intelligence and more.

Our firm works with leading companies and organizations in the financial and tech sectors, as well as with talented professionals who are looking for their next career move.

Listed Jobs

Company Name

Radley James

Job Title

Data Scientist - Hedge Fund (New-Launch)

Job Description

Job Title: Data Scientist – Hedge Fund (Long/Short Equity) Role Summary: Develop and implement data‑driven investment strategies for a long/short hedge fund focused on the global Industrials sector. Originates and analyzes novel datasets, builds predictive models, and provides actionable insights that influence portfolio performance. Works closely with investors and engineering to forecast company KPIs, design real‑time dashboards, and build scalable data infrastructure. Expectations: - 2–6 years of relevant experience with a strong quantitative background. - Proven ability to apply advanced analytics or machine learning to real‑world data, preferably in finance, fintech, or forecasting. - Demonstrated experience sourcing, structuring, and integrating new datasets. - Collaborative mindset to work across investment, technology, and data teams. Key Responsibilities: - Acquire, clean, and preprocess novel datasets relevant to global Industrials companies. - Design, train, and validate predictive models for key company KPIs and portfolio metrics. - Develop and maintain real‑time dashboards and visualizations to support investment decisions. - Build and optimize scalable data pipelines and infrastructure for model deployment. - Translate analytical findings into clear, data‑driven recommendations for portfolio managers. - Continuously evaluate model performance and iterate to improve predictive accuracy. Required Skills: - Python (pandas, NumPy, scikit‑learn) with optional experience in PyTorch or TensorFlow. - SQL for data extraction and manipulation. - BI and visualization tools (Tableau or equivalent). - Strong statistical and machine‑learning methodology. - Data engineering fundamentals (ETL, data warehousing, pipeline automation). - Excellent communication and teamwork skills. Required Education & Certifications: - Bachelor’s or Master’s degree in Computer Science, Statistics, Mathematics, Finance, Data Science, or a related quantitative field. - Certifications such as Certified Data Scientist, TensorFlow Developer, or equivalent are advantageous but not mandatory.

London, United kingdom

On site

Junior

23-01-2026

Company Name

Radley James

Job Title

Software Engineer - DevOps

Job Description

Job Title: Software Engineer – DevOps Role Summary: Design, implement, and maintain CI/CD pipelines and AWS infrastructure to support rapid, reliable deployments for an AI research platform, while enhancing monitoring, logging, and backend services. Expactations: Deliver efficient, scalable deployment workflows; maintain high availability and observability across multi‑tenant and single‑tenant environments; collaborate closely with a small engineering team in a fast‑paced startup setting. Key Responsibilities: - Own and evolve CI/CD pipelines across multiple AWS accounts, ensuring fast and reliable releases. - Manage and optimize AWS services (ECS Fargate, Lambda, CloudFormation/Terraform, IAM, etc.) and integrate with AWS Marketplace components. - Increase monitoring, logging, and visibility across infrastructure using CloudWatch, Prometheus, Grafana, or ELK stack. - Contribute to backend services and data engineering tasks, primarily using Python. - Automate operational processes, balancing deployment speed with reliability. - Participate in code reviews, documentation, and continuous improvement initiatives. Required Skills: - Proven DevOps experience with CI/CD tools (GitHub Actions, GitLab CI, Jenkins, etc.). - Strong proficiency in AWS (ECS/Fargate, Lambda, CloudFormation/Terraform, IAM, VPC, S3, RDS). - Python development and backend service design. - Containerization (Docker) and orchestration (ECS/EKS). - Monitoring and observability expertise (Prometheus, Grafana, CloudWatch, ELK). - Scripting in Bash/Python for automation. - Knowledge of multi‑tenant architecture and scalable data pipelines. - Excellent problem‑solving, communication, and teamwork skills. Required Education & Certifications: - Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent practical experience. - AWS Certified Solutions Architect – Associate or AWS Certified DevOps Engineer – Professional is preferred.

San francisco bay, United states

Hybrid

02-02-2026

Company Name

Radley James

Job Title

Software Engineer (Systematic Hedge Fund)

Job Description

**Job title** Software Engineer – Java / Python (Systematic Hedge Fund) **Role Summary** Responsible for designing, building, and maintaining end‑to‑end Java production systems that support trading, research, and core operations within a systematic hedge fund. The role requires collaboration with engineers and business stakeholders, delivering features from concept through deployment while applying modern engineering practices such as CI/CD, testing, and monitoring. **Expectations** - Deliver high‑quality, reliable code within tight production timelines. - Own work from requirements gathering to deployment and post‑release support. - Collaborate effectively with cross‑functional teams and non‑technical stakeholders. - Continuously improve code quality, architecture, and development processes. - Gain domain knowledge of systematic trading strategies and financial markets. **Key Responsibilities** - Develop and maintain Java‑based production systems and services. - Build features in Python and MATLAB where appropriate. - Write robust unit, integration, and performance tests. - Configure CI/CD pipelines, automated deployments, and monitoring solutions. - Participate in code reviews, architecture discussions, and knowledge sharing. - Troubleshoot production incidents, perform root cause analysis, and implement fixes. - Mentor junior developers and contribute to team best‑practice documentation. **Required Skills** - 3–5 years of professional software engineering experience. - Strong proficiency in Java (core language, collections, concurrency, streams). - Python experience or eagerness to learn Python. - Solid understanding of relational databases, SQL, and data modeling. - Familiarity with unit testing frameworks (JUnit, pytest, etc.). - Experience with CI/CD tools (Jenkins, GitHub Actions, GitLab CI). - Version control using Git. - Strong communication, teamwork, and problem‑solving abilities. - Understanding of cloud services (AWS) and containerization (Docker) is a plus. - Exposure to Kubernetes, CI/CD, and monitoring tools (Prometheus, Grafana) is a plus. - Interest in financial markets and systematic trading encouraged. **Required Education & Certifications** - Bachelor’s degree in Computer Science, Software Engineering, or related field preferred but not mandatory. - Professional certifications (e.g., AWS Certified Developer, Java SE Programmer) are a plus.

London, United kingdom

Hybrid

Junior

19-02-2026

Company Name

Radley James

Job Title

Software Engineer (Prop Trading Firm)

Job Description

**Job Title** Software Engineer – DeFi Trading Systems **Role Summary** Design, develop, and maintain high‑performance trading systems that execute directly on decentralized markets. Lead end‑to‑end ownership of low‑latency components, on‑chain integrations, and public APIs, ensuring reliability and scalability in a fast‑moving trading environment. **Expectations** - Deliver production‑ready code in Rust and Python with strict adherence to performance, reliability, and security standards. - Own system components from architecture through deployment and monitoring. - Work collaboratively with the full trading stack; provide clear visibility and documentation. **Key Responsibilities** - Build and optimize execution engines, on‑chain adapters, and API gateways in Rust and Python. - Design, write, and audit smart contracts and interact with existing on‑chain protocols. - Maintain and evolve public APIs exposing trading functionality. - Deploy and monitor services on cloud infrastructure, ensuring uptime and low latency. - Diagnose and resolve performance bottlenecks, latency spikes, and throughput limitations. - Apply trading‑domain knowledge to improve execution logic and strategy integration. - Participate in product design discussions to enhance user experience for traders. **Required Skills** - 3–7 years professional software engineering experience. - Strong proficiency in Rust and Python. - Application‑level experience with Solidity smart contracts. - Deep understanding of decentralized exchanges and the DeFi ecosystem. - Hands‑on experience building and maintaining REST/GraphQL APIs. - Practical knowledge of trading concepts (order types, risk management, latency handling). - Experience deploying and managing services on cloud platforms (AWS, GCP, Azure, etc.). **Nice to Have** - Designing, writing, and deploying new smart contracts. - On‑chain trading or strategy development experience. - Familiarity with Solana, Sui, Cosmos, or similar ecosystems. - Performance tuning of distributed systems. - Interest in product design and UX. **Required Education & Certifications** - Bachelor’s (or higher) degree in Computer Science, Engineering, or related technical discipline. - No mandatory certifications, but knowledge of blockchain/DeFi certifications is advantageous.

London, United kingdom

On site

Junior

05-03-2026