Selby Jennings

About the Company

From Investment Banking, Risk Management, Quantitative Trading, and Insurance, to Investment Management, Sales & Trading, Technology, and Wealth Management, Selby Jennings supports the world's largest financial institutions to revolutionary fintech start-ups with all their hiring needs as a leading Financial Sciences and Services talent partner.

If you would like to talk to us about your current talent needs, please request a call back here and one of our specialist consultants will call you back to discuss your hiring needs: https://www.selbyjennings.com/request-a-call-back

Listed Jobs

Company Name

Selby Jennings

Job Title

Quantitative Developer - Fixed Income

Job Description

London, United kingdom

On site

Mid level

25-09-2025

Company Name

Selby Jennings

Job Title

AI Researcher - HFT

Job Description

**Job Title:** AI Researcher - HFT **Role Summary** Develop high-performance AI models for high-frequency trading (HFT) by leveraging market and alternative data to optimize real-time trading decisions. **Expectations** Design and deploy scalable AI solutions requiring expertise in NLP, time-series analysis, and multimodal systems, with a focus on translating research into production-grade applications. **Key Responsibilities** - Design, train, and evaluate large-scale AI models using market and alternative datasets. - Develop novel architectures and training methods for time-series, NLP, and multimodal data. - Implement retrieval-augmented generation (RAG) and vector search systems. - Transition research prototypes into robust, deployable models with high reliability. - Collaborate with data engineers and researchers to optimize data pipelines and align models with business goals. **Required Skills** - Proficiency in deep learning frameworks (PyTorch/JAX), GPU optimization, and scalable deployment. - Expertise in NLP, time-series analysis, or multimodal learning. - Experience with LLMs, RAG workflows, and vector databases (e.g., FAISS, Pinecone). - Strong MLOps knowledge of model versioning (MLflow, DVC) and production AI systems. - High-performance engineering for low-latency environments. **Required Education & Certifications** - Advanced degree in Computer Science, Mathematics, Statistics, or related field. - 2+ years in AI/ML research, preferably in NLP, robotics, time-series, or multimodal domains.

London, United kingdom

On site

Junior

06-10-2025

Company Name

Selby Jennings

Job Title

Senior Infrastructure Engineer

Job Description

Job title: Senior Infrastructure Engineer Role Summary: Design, build, and maintain high‑performance computing (HPC) and storage systems for a quantitative trading platform, ensuring low‑latency and scalable operations across on‑premises and cloud environments. Expactations: Deliver robust, fully integrated infrastructure that supports advanced quantitative research and trading, enable rapid issue resolution, and drive continuous performance improvements in collaboration with cross‑functional teams. Key Responsibilities: - Architect and manage HPC clusters and storage across on‑premises and GCP/AWS environments. - Diagnose and resolve operating‑system, networking, and storage issues. - Optimize CPU and GPU workloads, balancing compute resources. - Collaborate with trading teams to deliver integrated research and production platforms. - Implement automation, infrastructure as code, and monitoring solutions. - Maintain documentation and best‑practice guidelines. Required Skills: - Python, Perl, or Shell scripting and automation. - Job schedulers (HTCondor, Slurm, Ray). - Distributed file systems (NFS, Weka, GPFS). - Cloud platforms (GCP, AWS). - Infrastructure as Code (Ansible, Terraform). - Monitoring (Prometheus). - Networking fundamentals (TCP/IP, Ethernet). - Linux internals (virtual memory, file systems, CPU scheduling). - GPU and CPU workload management. Required Education & Certifications: Bachelor’s degree in Computer Science, Engineering, or related field; relevant certifications in Linux, cloud platforms, or HPC preferred.

New york, United states

Hybrid

Senior

19-10-2025

Company Name

Selby Jennings

Job Title

Senior Site Reliability Engineer - HFT Team

Job Description

**Job Title:** Senior Site Reliability Engineer - HFT Team **Role Summary:** Lead DevOps and SRE initiatives for ML platform infrastructure. **Expectations:** 10+ years professional experience in DevOps/SRE roles. **Key Responsibilities:** - Implement testing, development, automation tools, and IT infrastructure for ML Platform teams. - Manage CI/CD pipelines (e.g., GitLab CI, Jenkins) and configuration management. - Define and optimize DevOps processes for release, updates, and support. - Design and maintain cloud infrastructure (AWS, Terraform) and monitoring systems. - Enhance security protocols through vulnerability assessments and risk mitigation. - Automate workflows to improve system reliability and scalability. **Required Skills:** - AWS and Terraform proficiency. - CI/CD tools (GitLab CI, Jenkins). - Large-scale Docker management and UNIX-based systems. - Monitoring system configuration and maintenance. - Strong automation and vulnerability assessment practices. **Required Education & Certifications:** Not specified.

London, United kingdom

On site

Senior

24-10-2025