Senior Ruby on Rails Developer

Job Title: Senior Ruby on Rails Developer (Backend)

Location: London (Hybrid – 2 days minimum per week in office)

Salary: Up to £90,000 – 110,000

Contract Type: Full-time, Permanent

Working Hours: Fully flexible hours

About the Role

We’re looking for a Senior Ruby on Rails Developer to join my clients team and take ownership of backend development across our platform. This is a fantastic opportunity for someone who thrives in a mature, autonomous environment and enjoys contributing to both code and culture.

You’ll be working with Ruby on Rails as your primary language, with opportunities to apply your Python knowledge where needed. We’re hosted on AWS, and experience with cloud infrastructure is a big plus. You’ll be part of a friendly, collaborative, and chatty team that values proactive communication, problem-solving, and a sense of humour.

What You’ll Do

• Lead the design and development of scalable backend services using Ruby on Rails
• Build and maintain RESTful APIs to support web and mobile platforms
• Apply best practices for code quality, testing, and deployment
• Collaborate closely with product managers, designers, and DevOps engineers
• Contribute to architectural decisions and technical strategy
• Help mentor junior developers and share knowledge across the team
• Drive solutions forward independently and take initiative in identifying improvements

What They Are Looking For

• 5+ years of experience with Ruby on Rails in production environments
• Working knowledge of Python
• Solid experience with AWS (EC2, S3, RDS, Lambda, etc.)
• Strong communication skills and a collaborative, friendly personality
• Self-starter attitude – able to work independently with minimal oversight
• A positive, chatty nature – we like people who enjoy a bit of banter while getting things done!

Perks & Benefits

• Salary up to £100,000
• Hybrid working – 2 days a week in their Central London office, the rest is remote
• Fully flexible hours – work when you're most productive
• 28 days holiday + bank holidays, with 1 additional day for every year of service
• MacBook or equipment of your choice
• Budget for learning & development
• Mature, outcome-driven culture – no micromanagement