Senior Ruby on Rails Engineer

David Kennedy Recruitment is working with a fast-growing AI technology company serving millions of users worldwide that is seeking to onboard a Senior Ruby on Rails Engineer to join their R&D / Engineering team.

This is a hands-on individual contributor role, helping design, build and scale core applications while working alongside the CTO, Tech Lead, Product Managers and SREs. The company's products include adult/NSFW content, so candidates must be fully comfortable working on them.
Position: Senior Ruby on Rails Engineer
Location: Europe, Remote
Employment type: B2B engagement
DUTIES AND RESPONSIBILITIES:

-
Design, develop and maintain scalable backend applications using Ruby on Rails

-
Collaborate with Product Managers to review requirements and translate specifications into technical solutions

-
Prepare technical integration plans, development breakdowns and effort estimates

-
Implement new features and improve existing platform functionality

-
Write clean, maintainable, well-tested production code

-
Take part in pull requests, peer code reviews and testing

-
Troubleshoot application issues and improve reliability, performance and scalability

-
Contribute to technical decision-making and product roadmap discussions

-
Experiment with technologies and approaches that improve product functionality and user experience

-
Work with distributed engineering, infrastructure and product teams

REQUIREMENTS:

-
5+ years' commercial experience as a Backend or Full-Stack Software Engineer

-
Strong, recent hands-on Ruby on Rails experience in production

-
Ability to independently design and implement complex backend features

-
Experience on applications serving thousands or more monthly active users, with an understanding of building reliable, scalable systems

-
Experience in technology scale-ups, startups or similarly agile environments, comfortable with changing priorities and tight deadlines

-
Proven ability to take features from requirements through development, testing and production

-
Excellent spoken and written English, and comfortable working with international remote teams

-
Based in Europe, with CET ±3 hours working overlap

-
Fully comfortable working on AI companionship products involving uncensored and NSFW content

BENEFITS:

- 100% remote working, with a B2B contract

-
20 working days of paid time off annually

- Annual company gathering

- Health and wellbeing support

-
Learning and professional development budget

- Company laptop and equipment support

-
Access to AI development tools, including Cursor, Claude Code and ChatGPT

-
Direct collaboration with experienced engineering leadership and the chance to influence technical decisions

- And many more!!!

Originally posted on Himalayas