Ruby on Rails Developer - Senior

Overview: We are looking for a Senior Ruby Developer to join a highly experienced engineering team working on complex, data-intensive systems. You will help design and build reliable, fault-tolerant solutions, take ownership of their performance in production, and solve challenging data and scalability problems. Purpose of the role: Design and improve scalable Ruby services for high-load, data-intensive systems. You will own solutions from implementation to production, troubleshoot complex issues, optimize application and database performance, and contribute to technical decisions and engineering practices. Key responsibilities: • 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 Required Experience: • Minimum 5-year experience in software development • Solid Ruby programming skills • Hands-on experience with data-intensive applications development & performance tuning • Experience in developing complex solutions from scratch • Strong SQL skills and solid understanding of relational databases, with the ability and curiosity to investigate complex data issues, analyze large datasets, and perform root-cause analysis • Deep data structures, OOP, and algorithms knowledge • 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) Our Benefits: • 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 Originally posted on Himalayas