ROR TECHNICAL ARCHITECT

About Atos Group

Atos Group is a global leader in digital transformation with c. 70,000 employees and annual revenue of c. € 10 billion, operating in 67 countries under two brands — Atos for services and Eviden for products. European number one in cybersecurity, cloud and high-performance computing, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos is a SE (Societas Europaea) and listed on Euronext Paris.

The purpose of Atos is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence. Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space.

Position: Architect – Ruby on Rails
Experience: 15–20 Years
Location: Mumbai , Bangalore, Chennai
Employment Type: Full-Time

We are looking for an experienced Ruby on Rails Architect to lead the design and development of scalable, high-performance web applications. The ideal candidate will possess deep expertise in Ruby on Rails architecture, strong object-oriented programming skills, and the ability to design robust backend systems aligned with business goals.

• Architect, design, and develop scalable and maintainable web applications using Ruby on Rails.
• Lead technical discussions, solution design, and system architecture decisions.
• Build reusable, efficient, and reliable Ruby code.
• Design and optimize database schemas to support complex business processes.
• Integrate multiple data sources, APIs, and databases into a unified system.
• Ensure high performance, responsiveness, security, and scalability of applications.
• Implement automated testing platforms and unit tests.
• Mentor engineering teams and drive coding best practices and standards.
• Collaborate with cross-functional teams including Product, DevOps, QA, and UI/UX.
• Drive CI/CD adoption and continuous improvement initiatives.

• 15–20 years of overall software development experience with strong expertise in Ruby on Rails.
• Extensive experience with Ruby on Rails and common libraries such as RSpec and Resque.
• Strong understanding of Ruby syntax and its nuances.
• Solid understanding of Object-Oriented Programming (OOP) principles.
• Experience with server-side templating languages such as Liquid, Slim, etc.
• Knowledge of server-side CSS preprocessors such as Sass.
• Basic understanding of front-end technologies including JavaScript, HTML5, and CSS3.
• Strong familiarity with MVC architecture, ORM, RESTful APIs, and mocking frameworks.
• Ability to write clean, readable, maintainable, and reusable Ruby code.
• Experience in designing scalable and distributed applications.
• Expertise in database design, schema creation, and performance optimization.
• Experience implementing automated testing frameworks and unit testing.
• Proficiency with version control systems such as Git, SVN, or Mercurial.
• Familiarity with development tools such as Bundler, Rake, Bower, etc.
• Experience with Continuous Integration and DevOps practices.

• Experience with cloud platforms such as AWS, Azure, or GCP.
• Exposure to microservices architecture and containerization tools like Docker/Kubernetes.
• Knowledge of Agile/Scrum methodologies.
• Strong leadership, communication, and stakeholder management skills.

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.