Ruby on Rails Developer – Senior

Softswiss; Northern (KY); Hybrid; USD 120,000 - 170,000; Full time

Benefits offered by this job

Private health insurance

Sports benefits

Free English lessons (online)

Local language courses

Paid time off

Maternity leave support

Referral program rewards

Upskilling, workshops

Job summary

Softswiss is seeking 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, own performance in production, and tackle challenging data and scalability problems.

You will design scalable Ruby services from implementation to production, troubleshoot issues, optimize database and application performance, and contribute to engineering decisions and best practices.

Qualifications

• Minimum 5 years of software development experience.
• Strong Ruby programming skills and data-intensive app experience.
• Solid SQL skills and relational database knowledge.

Responsibilities

• Work in agile environment with senior engineers and product managers.
• Design fault-tolerant, highly available and optimized solutions.
• Monitor and optimize services in production for excellence.
• Research and develop new technologies and tools.
• Collaborate with product, infrastructure and business teams.

Skills

Ruby

SQL

OOP

Algorithms

Performance tuning

Tools

ClickHouse

Kafka

Kubernetes

Prometheus

Helm

Job description

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

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)
• Private health insurance
• Sports benefits
• 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

Main Advantages

• Private health insurance
• Sports benefits
• 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

SOFTSWISS recruitment communication is conducted only through official company channels. We never ask candidates to make payments, purchase equipment, share financial details, or transfer money as part of the hiring process. If you receive a suspicious message using the SOFTSWISS name, please verify it via [e-mail]