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

Job Title: Quantitative Developer – Fixed Income Role Summary: Lead development of scalable risk and PnL tools for fixed‑income products, translating business requirements into robust software solutions and enabling advanced analytics and reporting across bonds, swaps, futures, and options. Expectations: - Deliver high‑quality, maintainable code that meets functional and performance targets within a regulated front‑office environment. - Communicate effectively with risk managers, traders, and researchers to refine requirements and validate deliverables. - Maintain architecture integrity, ensuring modularity, scalability, and resilience for large‑volume market data processing. Key Responsibilities: - Design, develop, and maintain core risk and PnL systems in Python. - Build analytics and reporting frameworks to compute risk metrics, aggregate results, and visualize outcomes. - Create data pipelines for ingestion, processing, and analysis of fixed‑income market and trade data. - Collaborate with stakeholders to define functional specifications and translate them into technical solutions. - Ensure system robustness, scalability, and compliance with data governance and regulatory standards. Required Skills: - 5+ years of professional software development experience. - Proficient in Python with strong syntax, libraries, and testing practices. - Deep knowledge of fixed‑income instruments (bonds, swaps, futures, options) and related derivatives. - Experience building or enhancing risk and analytics systems in front‑office or middle‑office settings. - Familiarity with relational & NoSQL databases, RESTful APIs, and microservices architecture. - Exposure to cloud platforms (AWS/GCP/Azure), big‑data frameworks (Spark, Kafka), and large‑scale data processing. - Strong problem‑solving, debugging, and code‑review capabilities. Required Education & Certifications: - Bachelor’s (or higher) degree in Computer Science, Engineering, Finance, or a related discipline. - Certifications such as CFA Level II or higher, CBOT or CMS (preferred but not mandatory).

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