About the company:
3Commas is a leading cloud-based Order Management System (OMS) and crypto-asset management platform offering a unified access point and interface with the worlds’ top 20 crypto exchanges.

Fully automated trade execution and portfolio management, supported by continuously evolving strategies, algorithms, and risk management solutions.

We have two teams based in Tallinn (Estonia) and Saint-Petersburg (Russia).
https://3commas.io/ru

Salary fork:
3400 - 6800 USD net

Type of work:
Full-time

Type of employment:
Office/remote (on your choise)
Offices in Tallinn (Estonia), Saint-Petersburg (Russia).

Job description:
Senior Ruby on Rails Backend developer.  

We need an experienced backend developer with deep knowledge of Ruby on Rails + PostgreSQL stack.  
We use PostgreSQL, Sidekiq, Redis, Memcached, Kubernetes.

What’ll you do:
- Write modular and scalable code;
- Implement new trading algorithms and features;  
- Tackle high load and security related challenges;
- Be responsible for code quality and performance.

Position requirements:
• 3+ years of experience in Ruby on Rails development;
• Deep knowledge of PostgreSQL;
• Experience in working with at least one key-value store (Redis/Memcached/etc);
• Follow best practices (TDD, continuous integration, refactoring, code standards);
• Design robust, scalable and secure features;
• Solid communication skills (both online and in-person);
• Connection of external API service.

Working conditions:
• Flexible hours - you can have different start and end times for your workday;
• Probation period - up to 3 month;
• Employees benefits after probation period:
- Health insurance;
- Bonus fund;
- Participation at conferences;
- Educational material;
- Other benefits that the company may provide in future;
• Registration for work as employee in Russia, or employee in Estonia, as an Individual entrepreneur / self employed from any location;
• Relocation to Tallinn + VISA support (on request).