Senior Backend Engineer (Ruby on Rails)

Titan OS Partnership; Barcelona; Sur place; EUR 70 000 - 110 000; Plein temps

Avantages offerts par ce poste

Competitive compensation

Private health insurance

International work environment

Résumé du poste

Titan Operating System S.L. (Titan OS) in Barcelona seeks a Senior Backend Engineer to design, build and maintain scalable backend infrastructure that powers our cutting-edge applications.

You will ensure security, reliability and performance while driving robust server-side solutions across products and services. You'll work closely with frontend, DevOps and product teams to architect APIs, design data models, and tackle complex technical challenges in a fast-growing CTV ecosystem.

Qualifications

• 7+ years of professional experience as a Backend Engineer.
• Proficiency in Ruby on Rails.
• Strong knowledge of SQL and NoSQL databases; data architecture design.
• Experience with cloud platforms like AWS, GCP, or Azure, and familiarity with containerization tools like Docker and Kubernetes.
• Solid understanding of RESTful API design and development, including experience integrating third-party services.
• A strong focus on performance optimization, scalability, and security.
• Bachelor's degree in Computer Science, Software Engineering, or a related field is preferred but not required.
• Strong communicator and fluent in English.

Responsabilités

• Designing and developing highly scalable backend services and APIs to support front-end applications and third-party integrations.
• Building and maintaining databases, ensuring data is stored securely and can be accessed efficiently.
• Collaborating with front-end developers, DevOps, and product teams to define and implement new features.
• Optimising the performance and reliability of server-side code to ensure seamless user experiences.
• Ensuring the security of backend systems through the implementation of best practices and security protocols.
• Writing clean, maintainable, and well-documented code, adhering to industry standards and team best practices.
• Monitoring and troubleshooting production systems, ensuring high availability and rapid response to issues.
• Participating in code reviews and contributing to the continuous improvement of development processes.

Connaissances

Ruby on Rails

REST API design

SQL

NoSQL

Cloud platforms (AWS/GCP/Azure)

Docker

Kubernetes

Backend engineering

Security

English communication

Formation

Bachelor's degree in Computer Science or Software Engineering (or related field)

Outils

Docker

Kubernetes

AWS

GCP

Azure

Description du poste

Is this you? Titan Operating System S.L. (Titan OS), the Barcelona-based technology, entertainment, and advertising company, is looking for you!

Is this you? Titan Operating System S.L. (Titan OS), the Barcelona-based technology, entertainment, and advertising company, is looking for you!

At TitanOS, we live by three core values:

• Make things happen - We take ownership, move fast, and deliver impact
• No ego - We collaborate with respect and humility to reach shared goals
• Show genuine passion - We love what we do and never stop learning

Culture and environment are at the heart of our ethos. If the above resonates with you, keep reading because we believe you could be a perfect addition to our incredible team!

Role overview:

We are looking for a Senior Backend Engineer with a deep understanding of server-side technologies and a passion for building highly scalable systems that power industry-leading applications. You will be responsible for designing, developing, and maintaining the backend infrastructure that drives our products and services, ensuring they are secure, reliable, and performant.

You'll be instrumental in architecting and delivering robust solutions that power the core functionality of our business. This role is for someone who thrives on solving complex problems and is driven by the desire to contribute to a high-impact product every day.

Key Responsibilities

• Designing and developing highly scalable backend services and APIs to support front-end applications and third-party integrations
• Building and maintaining databases, ensuring data is stored securely and can be accessed efficiently
• Collaborating with front-end developers, DevOps, and product teams to define and implement new features
• Optimising the performance and reliability of server-side code to ensure seamless user experiences
• Ensuring the security of backend systems through the implementation of best practices and security protocols
• Writing clean, maintainable, and well-documented code, adhering to industry standards and team best practices
• Monitoring and troubleshooting production systems, ensuring high availability and rapid response to issues
• Participating in code reviews and contributing to the continuous improvement of development processes

Requirements

What makes you a great fit:

• +7 years of professional experience as a Backend Engineer, working on large-scale systems
• Proficiency in Ruby on Rails
• Strong knowledge of database systems (SQL and NoSQL), with experience in designing efficient data architectures
• Experience with cloud platforms like AWS, GCP, or Azure, and familiarity with containerization tools like Docker and Kubernetes
• Solid understanding of RESTful API design and development, including experience integrating third-party services
• A strong focus on performance optimization, scalability, and security
• Excellent problem-solving skills and attention to detail
• A Bachelor's degree in Computer Science, Software Engineering, or a related field is preferred but not required
• Strong communicator and fluent in English

Benefits

Reasons to apply:

• Competitive compensation
• Private health insurance
• Friendly, diverse, and international work environment
• Opportunity to work outside of your comfort zone and develop professionally in an exciting and fast-growing CTV industry
• Change the future of TV! A unique opportunity to join a well-funded, high-growth company in the early stages to help shape a product/business that will impact millions

If you're excited about this position, don't hesitate to apply. We're waiting for you to join us! And if you want to know more about us, follow us on LinkedIn!