Senior Ruby on Rails Developer

Stack

Responsibilities

• ▹Design scalable Ruby services for high-load, data-intensive systems
• ▹Own solutions from implementation to production, troubleshoot complex issues, optimize application and database performance
• ▹Work in a fully agile environment with senior engineers and product managers
• ▹Participate in designing fault-tolerant, highly available, and optimized solutions
• ▹Monitor and optimize your services in production for excellence
• ▹Research and develop new technologies and tools
• ▹Collaborate with other teams - product, infrastructure, and business

Requirements

• ▹Minimum 5 years of experience in software development
• ▹Solid Ruby programming skills
• ▹Hands-on experience with data-intensive application development and performance tuning
• ▹Experience developing complex solutions from scratch
• ▹Strong SQL skills and a solid understanding of relational databases, with the ability and curiosity to investigate complex data issues, analyze large datasets, and perform root-cause analysis
• ▹Deep knowledge of data structures, OOP, and algorithms
• ▹Good communication skills

Nice to have

• ▹Familiarity with ClickHouse
• ▹Familiarity with AI-powered developer tools and practical experience integrating them into daily development workflows
• ▹Experience with Kafka
• ▹Ability to implement space- and time-efficient algorithms and understand which one is preferable and when
• ▹Readiness to learn other programming languages (e.g., Golang, Scala)
• ▹Familiarity with SRE practices
• ▹Familiarity with cloud-native technologies (e.g., k8s, Helm, Prometheus)

Soft skills

What we offer

• ▹Private health insurance
• ▹Sports benefits
• ▹Comprehensive mental health program
• ▹Free English lessons (online)
• ▹Local language courses
• ▹Paid time off
• ▹Maternity leave support
• ▹Referral program rewards
• ▹Upskilling, internal workshops, and participation in professional conferences and corporate events