About the role

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

Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Senior

Technology & IT MySQL Project Management SQL Ruby Rails Senior level

Likely questions

Tell us about work you have done that is close to the Ruby on Rails Developer - Senior role.
How would you approach your first 30 days at Softswiss?
Which of MySQL, Project Management and SQL have you used recently, and what did it help you achieve?
How have you led people, improved a process, or made a hard decision in a previous role?
How do you handle busy days, changing priorities, or pressure at work?

Prepare before the call

A recent example that proves your experience with MySQL, Project Management and SQL.
One short story with a problem, your action, and the result.
Two examples that show the strengths listed on your CV.
A clear reason why this role and company interest you.
Your availability, preferred work style, and salary expectations.

Ask them

What would success look like in the first 90 days?
What are the main problems this hire should help solve?
How does the team give feedback and measure good work?
What does a normal working week look like for this role?

Practice line

I am interested in the Ruby on Rails Developer - Senior role because I can bring practical experience in MySQL, Project Management and SQL, learn the team quickly, and contribute to the outcomes Softswiss needs from this hire.

Ruby on Rails Developer - Senior

About the role

Walk in with sharper answers.

Likely questions

Prepare before the call

Ask them

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