Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Develop and optimise scalable backend systems using Ruby on Rails.
- Company: KE Technology is a rapidly growing company focused on engineering-led solutions.
- Benefits: Earn up to £85,000 with stock options and enjoy flexible remote working.
- Why this job: Tackle meaningful engineering challenges in a modern tech environment.
- Qualifications: 4+ years of Ruby on Rails experience and strong SQL knowledge required.
- Other info: Join a team that values best practices and continuous improvement.
The predicted salary is between 51000 - 85000 £ per year.
Direct message the job poster from KE Technology
Director – Ruby Specialist at KE Technology
Ruby Developer – Remote (UK-based) – Up to £85K
Are you a Senior Ruby on Rails Developer looking to work on scalable, high-traffic applications in a modern, engineering-led environment? We’re growing rapidly and need engineers who can build, optimise, and scale backend systems while maintaining clean, maintainable code.
Join a team that values best practices, automation, and performance, working on a platform that’s continuously evolving to meet increasing demand.
What We Offer:
- Up to £85,000 + stock options
- Flexible remote working (UK based) with a London HQ
- Work on high-scale backend systems that process large volumes of data
- Modern tech stack: Ruby on Rails, PostgreSQL, Redis, Sidekiq, AWS, Docker, Kubernetes
- Opportunity to influence technical decisions & contribute to architectural improvements
Key Responsibilities:
- Developing & optimising scalable backend systems in Ruby on Rails
- Designing, building, and maintaining APIs & integrations
- Improving performance & database efficiency for high-scale applications
- Enhancing existing systems for better performance, scalability, and maintainability
- Working closely with DevOps & product teams to ensure reliability & resilience
What We’re Looking For:
- 4+ years experience with Ruby on Rails
- Strong knowledge of SQL databases
- Understanding of performance tuning & caching strategies
- Comfortable with CI/CD, Docker, and cloud services (AWS preferred)
Why Join Us? This is an opportunity to work on meaningful engineering challenges – scaling, optimising, and improving a growing platform. If you enjoy solving technical problems, improving performance, and working in a modern Ruby environment, we’d love to hear from you.
Seniority level
Mid-Senior level
Employment type
Full-time
Job function
Information Technology
Industries
Staffing and Recruiting
#J-18808-Ljbffr
Senior Ruby on Rails Developer employer: KE Technology
Contact Detail:
KE Technology Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Ruby on Rails Developer
✨Tip Number 1
Make sure to showcase your experience with Ruby on Rails in your conversations. When you reach out to the job poster, highlight specific projects where you've developed scalable applications, as this will demonstrate your hands-on expertise.
✨Tip Number 2
Familiarise yourself with the tech stack mentioned in the job description. If you have experience with PostgreSQL, Redis, or AWS, be ready to discuss how you've used these technologies in past projects to optimise performance and scalability.
✨Tip Number 3
Engage with the company's online presence. Follow them on social media and participate in discussions related to Ruby on Rails development. This can help you understand their culture and values, which you can reference when speaking with the job poster.
✨Tip Number 4
Prepare to discuss your approach to performance tuning and caching strategies. Since the role involves improving database efficiency, having concrete examples of how you've tackled similar challenges will set you apart from other candidates.
We think you need these skills to ace Senior Ruby on Rails Developer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with Ruby on Rails and relevant technologies mentioned in the job description. Focus on your achievements in developing scalable backend systems and any performance improvements you've implemented.
Craft a Compelling Cover Letter: Write a cover letter that showcases your passion for Ruby development and your understanding of the company's needs. Mention specific projects where you've optimised performance or worked with high-traffic applications to demonstrate your fit for the role.
Showcase Relevant Projects: If you have a portfolio or GitHub repository, include links to projects that reflect your skills in Ruby on Rails, API design, and database optimisation. This will give the hiring team tangible evidence of your capabilities.
Highlight Soft Skills: In addition to technical skills, emphasise your ability to work collaboratively with DevOps and product teams. Mention any experience you have with CI/CD processes and how you contribute to team success in a remote working environment.
How to prepare for a job interview at KE Technology
✨Showcase Your Ruby Expertise
Be prepared to discuss your experience with Ruby on Rails in detail. Highlight specific projects where you've developed scalable backend systems, and be ready to explain the challenges you faced and how you overcame them.
✨Demonstrate Problem-Solving Skills
Expect technical questions that assess your problem-solving abilities. Practice coding challenges related to performance tuning and caching strategies, as these are crucial for optimising high-traffic applications.
✨Familiarise Yourself with Their Tech Stack
Research the technologies mentioned in the job description, such as PostgreSQL, Redis, and AWS. Being knowledgeable about these tools will show your genuine interest in the role and your readiness to contribute from day one.
✨Prepare Questions About Team Dynamics
Since collaboration with DevOps and product teams is essential, prepare thoughtful questions about team dynamics and workflows. This demonstrates your understanding of the importance of teamwork in delivering reliable and resilient systems.
