ML OPS/Python Developer

About the Company and Role

Our client is a leading hedge fund focused on cutting-edge HFT (High-Frequency Trading) strategies and implementing best practices in all technology areas to be one of the leaders in the market.

We're looking for a Senior Python Developer for ML Ops Team. The team is responsible for ML and Python infrastructure, which are the backbone of our ML-based strategies. Our infrastructure is written in Python, Go, and C++.

Location: Amsterdam, Netherlands. Relocation assistance is available.

Stack: Python, Pandas/Polars/Spark/Numpy, SQL, Linux.

What we offer:

• A competitive salary of up to $10,000 - $12,000 net, plus performance bonuses;
• Comprehensive relocation package to Amsterdam;
• Advanced internal training and development programs to enhance your skills;
• Comprehensive health insurance for you and your family;
• Reimbursement for sports and wellness activities;
• Exciting corporate events twice a year;
• The opportunity to work with cutting-edge technology in a supportive and innovative environment.

Interview process:

• HR Interview (30-40 minutes);
• Technical interview (1,5 hours);
• Tech Assignment (home task);
• Culture fit (with Top management and HR);
• Then Offer.

Responsibilities:

• Developing a library for executing task graphs on the cluster, with a focus on enhancing the user experience with writing, maintaining, and debugging these graphs;
• Improving the user experience in data analytics and dataset creation;
• Building datasets from the company's data;
• Working on dataset creation speed, for example, by optimizing Pandas/Polars/Spark queries;
• Working closely with quantitative researchers to improve the realism of simulation and user experience;
• Building a library for working with the company's data;
• Optimizing storage formats and data retrieval methods;
• Creating user-friendly interfaces for feature and target engineering;
• Automating the generation and updating of datasets with new features and data;
• Optimizing execution time;
• Supporting the Python simulator.

What kind of qualifications we are looking for:

• At least 3 years of professional experience as a Python/C++/ML Engineer;
• Proficiency in Python;
• Experience in SQL/Spark/Pandas/Numpy;
• Strong expertise in databases, data pipelines, and service development;
• Experience contributing to projects with complex architecture;
• Linux expertise;
• Expertise in algorithms and data structures;
• Ability to work in a fast-paced environment and efficiently multi-task;
• Ability to communicate effectively within your team and with other teams.

Nice to have Requirements:

• Experience in developing high-load services;
• Experience in PyTorch/Jax;
• Competency in Go/C++;
• Understanding of operating systems, networks, and performance optimization;
• Any experience in competitive programming contests (IOI, ICPC, hashcode) or CTFs.

For further details or to apply, please contact @ekaterinafilimonova_hr (Telegram).