Ruby Developer

Freelancerprox; Greater London; On-site; GBP 40,000 - 60,000; Full time

Job summary

A leading tech platform in the UK is seeking a skilled Ruby Developer to join their team. You will design, build, and maintain Ruby applications that drive the success of web platforms. Responsibilities include developing robust applications, optimizing performance, and collaborating with a diverse team. Ideal candidates should have experience in Ruby on Rails, RESTful APIs, and relational databases. This role offers an opportunity to impact projects directly while working in a dynamic environment.

Qualifications

• Proven experience with Ruby and Ruby on Rails framework.
• Strong understanding of object-oriented programming.
• Experience working with RESTful APIs.
• Proficiency with relational databases like PostgreSQL and MySQL.

Responsibilities

• Design, develop, and maintain robust Ruby applications.
• Build APIs and back-end components for web and mobile applications.
• Optimize applications for performance, scalability, and security.
• Integrate data storage solutions with SQL and NoSQL databases.

Skills

Ruby

Ruby on Rails

RESTful APIs

PostgreSQL

MySQL

Git

Test-Driven Development

Problem-solving

Education

Bachelor's degree in Computer Science

Job description

We are looking for a skilled and passionate Ruby Developer to join our development team. You will be responsible for designing, building, and maintaining efficient, reusable, and reliable Ruby code. Your work will directly contribute to the success of our web applications and platforms.

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Key Responsibilities

• Design, develop, and maintain robust Ruby applications
• Build APIs and back‑end components for web and mobile applications
• Optimize applications for performance, scalability, and security
• Integrate data storage solutions (SQL and NoSQL databases)
• Participate in all phases of the software development lifecycle
• Write clean, maintainable, and testable code following best practices
• Collaborate with front‑end developers, designers, and product managers
• Conduct code reviews and provide mentorship to junior developers
• Troubleshoot, debug, and improve existing applications

Requirements

• Proven experience with Ruby and Ruby on Rails (RoR) framework
• Strong understanding of object‑oriented programming (OOP)
• Experience working with RESTful APIs
• Proficiency with relational databases (e.g., PostgreSQL, MySQL)
• Familiarity with Git and version control workflows
• Understanding of automated testing and test‑driven development (TDD)
• Good problem‑solving skills and attention to detail
• Bachelor's degree in Computer Science, Engineering, or related field, or equivalent practical experience

Nice to Have

• Familiarity with cloud services (e.g., AWS, Heroku)
• Knowledge of background job processing (Sidekiq, Resque, etc.)
• Familiarity with CI/CD pipelines and DevOps tools
• Contribution to open‑source Ruby projects or active GitHub portfolio