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Senior Ruby on Rails Engineer

David Kennedy Recruitment

Athens, Greece · Paris, France View all 42 locations
  • Athens, Greece
  • Paris, France
  • London, United Kingdom
  • Lisbon, Portugal
  • Milan, Italy
  • Rome, Italy
  • Berlin, Germany
  • Barcelona, Spain
  • Bari, Italy
  • Split, Croatia
  • Copenhagen, Denmark
  • Oslo, Norway
  • Tallinn, Estonia
  • Limassol, Cyprus
  • Budapest, Hungary
  • Florence, Italy
  • Amsterdam, Netherlands
  • Stockholm, Sweden
  • Warsaw, Poland
  • Kraków, Poland
  • Lublin, Poland
  • Opole, Poland
  • Tokyo, Japan
  • Seoul, South Korea
  • Beijing, China
  • Taipei City, Taiwan
  • Hong Kong, Hong Kong
  • Chongqing, China
  • Bangkok, Thailand
  • Manila, Philippines
  • Kuala Lumpur, Malaysia
  • Singapore, Singapore
  • Hanoi, Vietnam
  • Hanover, Germany
  • Wuhan, China
  • Shanghai, China
  • Hangzhou, China
  • Mumbai, India
  • Doha, Qatar
  • Tel Aviv-Yafo, Israel
  • Riyadh, Saudi Arabia
  • Madrid, Spain
  • Remote
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About the role

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!!!