NJF Global Holdings Ltd
About the Company
NJF is a tech-focused company whose by-product is recruitment. Our reputation among many of the world’s leading institutions has resulted in a prolific demand for our services and the continued expansion of our international network.
NJF’s focus is within the Trading and Technology markets. Our interrelated teams employ rigorous research methodologies to ensure that we are at the forefront of the latest trends in both spheres. Our consultants are devoted to unearthing world-class talent and guiding the right people into the right jobs.
At NJF, we make the individual our priority. This, in turn, strengthens our comprehensive knowledge of the market and drives our continuous research effort.
Along with taking the time to gain a deep understanding of each candidate’s technical skills and market experience, we also get to know them as people. This ensures that our efforts result in a long-term, lasting relationship for both client and candidate.
Our Trading Practice coordinates the careers of high-performing traders, quants and data scientists across the upper echelons of quantitative managers: hedge funds, proprietary trading organizations and tech firms.
Our Technology Practice has a track record of finding the very best developers and infrastructure experts to build world-class systems and frameworks for high frequency proprietary trading firms, hedge funds and technology start-ups. We recognize that organizations want their staff to reflect the world’s diverse population. We are committed to identifying, attracting and cultivating promising talent from the broadest possible spectrum of professionals. Our continued success has enabled us to build long-standing relationships and to expand our list of contacts in a wide range of communities; this further enhances our ability to deliver.
London +44 20 7604 4444
New York +1 212 400 4845
Chicago +1 312 204 7216
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Listed Jobs
- Company Name
- NJF Global Holdings Ltd
- Job Title
- HPC Software Engineer (C++, RDMA, Lustre, GPFS)
- Job Description
-
A leading London-based high-frequency algorithmic trading firm is deploying a state-of-the-art supercomputer specifically for trading research. They require a C++ Distributed Systems Performance Engineer to optimize and integrate their research infrastructure with this powerful new hardware.
Responsibilities:
Optimize C++ for high-performance research systems, maximizing throughput and minimizing latency.
Tune network interconnects (InfiniBand, RDMA) for ultra-low latency.
Implement high-performance storage (parallel file systems) for large research datasets.
Develop parallel I/O strategies for efficient petabyte-scale data access.
Implement advanced caching and memory management for minimal data access latency.
Conduct performance analysis and benchmarking to resolve infrastructure bottlenecks.
Collaborate to integrate and optimize research tools and workflows.
Optimize code at hardware level for minimal research latency.
Configure OS and libraries for research performance.
Qualifications:
Bachelor's, Master's, or PhD in Computer Science, Engineering, or related STEM field.
Strong proficiency in C++17/20 (or later), including modern C++ features (templates, concurrency, memory management, performance optimization).
Experience with low-latency C++ libraries.
Extensive C++ development and optimization for high-performance computing and distributed systems on advanced hardware.
Deep understanding of network protocols, distributed systems, and high-performance storage (high-speed interconnects, parallel file systems).
Strong parallel programming and multi-threading expertise, utilizing parallel programming models.
Proficiency in performance analysis and profiling tools, including benchmarking and code optimization.
Experience with low-level hardware optimization (CPU cache, memory access, instruction-level parallelism).
Familiarity with Linux operating systems and networking in a high-performance computing research context.
Strong problem-solving and analytical skills for complex performance issues.
Excellent communication and interpersonal skills for team collaboration.
- Company Name
- NJF Global Holdings Ltd
- Job Title
- Data Support Analyst
- Job Description
-
A leading global quantitative investment firm is looking for a Data Support Analyst to join its Help Desk team. This role is key to supporting researchers and traders with access to large-scale datasets and ensuring smooth data operations across the organization.
You’ll be the first point of contact for data-related queries, help onboard and train new users, collaborate with data engineers to resolve issues, and contribute to documentation and data coverage efforts.
Ideal candidates will have experience in data support, IT helpdesk, or technical support—preferably within finance. Strong Python skills, familiarity with data pipelines and APIs, and experience with tools like JIRA are essential. A keen eye for detail and strong communication skills are a must.
Excited to work at the intersection of data, tech, and finance? Apply now or get in touch to learn more.
- Company Name
- NJF Global Holdings Ltd
- Job Title
- DevOps Engineer
- Job Description
-
DevOps Engineer – Platform
On-Site | Paris, France
A leading quantitative and systematic investment firm is seeking a DevOps Engineer to join its on-site team in Paris. In this role, you'll help design and scale infrastructure supporting cutting-edge research and trading systems.
What You’ll Do:
Develop and maintain CI/CD pipelines for smooth deployments
Manage AWS infrastructure with a focus on EKS & Kubernetes
Build data pipelines for both real-time and batch processing
Enhance automation, reliability, monitoring, and performance
Collaborate with developers, quants, and global tech teams
What We’re Looking For:
Strong DevOps and cloud engineering experience (AWS, Terraform, Kubernetes)
Skilled in CI/CD tools (GitLab CI, ArgoCD, etc.)
Scripting in Python, Bash or similar
Familiarity with data pipeline tools like Airflow, Kafka, or Step Functions
A solid educational background (STEM preferred)
Consistent career trajectory with long tenures in past roles
Prior exposure to finance; buy-side experience is a strong plus
Passion for automation, efficiency, and high-performance systems
Join a globally connected team in Paris and help power a technology-first approach to systematic investing.