freehire launches on Product Hunt on 26 August.

Follow →

Senior Python Developer

Open 19d
This position is no longer accepting applications(closed Aug 16, 2026).

We are looking for an experienced professional with advanced skills in Python development, as well as expertise in batch data processing and large-scale automated data systems.

In this role, you will be responsible for developing new tools to streamline traders' workflows and supporting the scaling of our trading system.

Responsibilities:

  • Build, test and maintain backtests optimization service
  • Maintain and enhance the existing production codebase (Python, Bash)
  • Develop a new tool for selecting the optimal configuration of the trading system (faster, more reliable, and scalable to a larger number of servers)
  • Automate routine analytical and trading tasks, and integrate external (slower) data sources to enhance the automated management of the trading system
  • Improve the trading system's infrastructure by migrating non-performance-critical business logic from C++ to Python
  • Monitor system performance and promptly resolve any issues related to the code
  • Identify and implement opportunities for system enhancements and optimization

Requirements:

  • BS/MS in Computer Science or a related STEM field, with equivalent practical experience
  • Python expert with deep knowledge of its submodules, along with exceptional debugging and analytical skills
  • Extensive experience with Linux, including Bash and understanding of Linux server architecture and operations
  • Proficiency in task distribution, scheduling, MPQ, and developing scalable RESTful services with Python
  • Experience with running profilers, debuggers, and performing general troubleshooting and debugging tasks
  • Ability to analyze and optimize the performance of data queries, jobs, and pipelines, identifying and resolving bottlenecks
  • Strong knowledge of Docker and version control systems like Git

Nice to have:

  • Ability to read and support C++ code
  • Ability to write some code in GoLang if needed
  • Familiarity with the data science stack from engineering perspective
  • Familiarity with monitoring tools such as Nagios, Prometheus, and Grafana

What we offer:

  • High salary + exceptional bonuses
  • Direct impact on the business
  • Work directly with the founders, flat structure & fast growth
  • A-player team – talented people with Olympiad backgrounds and top-tier degrees
  • Relocation package that makes moving easy
  • Regular team events & sports

See also

Tailor your CV for this role?

We couldn't check your fit for this role — add a CV to your profile to see it next time.

A new version of freehire is available