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- Tasks: Develop and optimise scalable backend systems using Ruby on Rails.
- Company: KE Technology, a rapidly growing tech company with a modern engineering culture.
- Benefits: Up to £85K salary, stock options, and flexible remote working.
- Why this job: Tackle meaningful engineering challenges and influence technical decisions.
- Qualifications: 4+ years of Ruby on Rails experience and strong SQL knowledge.
- Other info: Join a dynamic team focused on performance and scalability.
The predicted salary is between 68000 - 102000 £ per year.
Are you a Senior Ruby on Rails Developer looking to work on scalable, high-traffic applications in a modern, engineering-led environment? We are 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 is 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)
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 would love to hear from you.
Senior Ruby on Rails Developer in London 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 in London
✨Tip Number 1
Don’t just sit back and wait for the job to come to you! Reach out directly to the job poster on LinkedIn or other platforms. A friendly message can make you stand out and show your enthusiasm for the role.
✨Tip Number 2
Network like a pro! Connect with current employees at KE Technology or in similar roles. They can provide insider info and might even refer you, which can give you a leg up in the hiring process.
✨Tip Number 3
Prepare for the interview by brushing up on your Ruby on Rails skills and understanding the tech stack they use. Be ready to discuss how you’ve tackled performance tuning and scaling in past projects.
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows you’re serious about joining the team and makes it easier for us to track your progress.
We think you need these skills to ace Senior Ruby on Rails Developer in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with Ruby on Rails and any relevant projects you've worked on. We want to see how your skills align with what we're looking for, so don’t be shy about showcasing your achievements!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about working with us and how you can contribute to our team. Keep it concise but engaging – we love a good story!
Showcase Your Technical Skills: Since we're all about building scalable backend systems, make sure to mention your experience with SQL databases, performance tuning, and any cloud services you've used. We want to know how you can help us tackle engineering challenges!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it’s super easy – just a few clicks and you’re done!
How to prepare for a job interview at KE Technology
✨Know Your Ruby Inside Out
Make sure you brush up on your Ruby on Rails knowledge before the interview. Be prepared to discuss your experience with scalable backend systems, performance tuning, and caching strategies. They’ll likely ask you about specific projects you've worked on, so have some examples ready that showcase your skills.
✨Familiarise Yourself with Their Tech Stack
Since the role involves working with PostgreSQL, Redis, Docker, and AWS, it’s a good idea to get comfortable with these technologies. You might be asked how you’ve used them in past projects or how you would approach certain challenges using these tools. Showing that you understand their tech stack will impress the interviewers.
✨Prepare for Problem-Solving Questions
Expect to tackle some technical problems during the interview. Practice coding challenges related to Ruby on Rails and think through how you would optimise existing systems. Being able to articulate your thought process while solving these problems will demonstrate your analytical skills and technical expertise.
✨Show Your Team Spirit
This role involves working closely with DevOps and product teams, so be ready to discuss your experience collaborating with others. Share examples of how you’ve contributed to team projects and how you handle feedback. Highlighting your ability to work well in a team will show that you’re a great fit for their engineering-led environment.
