Senior Ruby Engineer — Systems Architect & API Lead

Crossing Hurdles; United Kingdom; On-site; GBP 90,000 - 130,000; Full time

Job summary

Crossing Hurdles is seeking a senior software architect to design and lead robust Ruby and Rails systems in the United Kingdom. You will architect scalable services and APIs, drive performance optimization, establish quality standards, and guide teams toward technical excellence across projects.

Colleagues across product, data, and platform teams will rely on your mentorship to grow capabilities, deliver reliable deployments, and define best practices for testing, deployment, and maintainable

Qualifications

• Expert proficiency in Ruby and Ruby on Rails.
• Extensive experience in system design and architecture for mission-critical applications.
• Advanced skills in relational and non-relational database design.
• Proven track record of performance optimization and scalability improvements.
• Strong background in API design and service-oriented architecture.
• Mentorship abilities and team leadership experience.

Responsibilities

• Design and architect robust, scalable systems and services using Ruby and Rails.
• Lead API development and service-oriented architectures for seamless integrations.
• Drive performance optimization across applications and databases.
• Collaborate with cross-functional teams to define and implement technical solutions.
• Establish and uphold best practices in code quality, testing, and deployment.
• Mentor engineers and foster a culture of learning and technical excellence.

Skills

Ruby

System design

Database design

Performance optimization

API design

Leadership

Mentorship

Ruby on Rails

Tools

Ruby on Rails

Job description

Crossing Hurdles is seeking a senior software architect to design and lead robust Ruby and Rails systems in the United Kingdom. You will architect scalable services and APIs, drive performance optimization, establish quality standards, and guide teams toward technical excellence across projects.

Colleagues across product, data, and platform teams will rely on your mentorship to grow capabilities, deliver reliable deployments, and define best practices for testing, deployment, and maintainable