Description
Dear Consultant,
We’re hiring Senior Ruby Developers for an exciting 3-plus-month B2B contract onsite in Lisbon, Portugal. This role is for a global-scale platform that is undergoing a significant architectural evolution toward an event-driven model using CQRS.
You’ll play a key role in designing and scaling beliable, performant, and future-ready. backend systems This is a hands-on engineering role with strategic impact across the platform. If you are interested., message me here or send email to ()
Key Responsibilities
Lead the design and development of scalable backend services in Ruby on Rails
Contribute to the transition to CQRS and event-driven architecture
Define and implement technical strategies and best practices
Optimize data flow, performance, and system reliability
Work closely with DevOps to support scalable deployment pipelines
Requirements
6+ years of experience in large-scale backend systems
Strong Ruby on Rails expertise
Solid knowledge of SOA, Microservices, CQRS, and event-driven systems
Experience with messaging systems like Kafka, RabbitMQ, or AWS SNS/SQS
Proficiency with PostgreSQL, Redis, and DB performance tuning
Familiar with AWS, Docker, Git, CI/CD, and Infrastructure as Code
Contract Details
Location: Onsite – Lisbon, Portugal
Contract Type: B2B
Duration: 3+ months (extension possible)
Start Date: Immediate or flexible (May preferred)
If you're a backend specialist who thrives in complex, evolving systems and enjoys being part of a high-performance engineering team, we’d love to hear from you.
We’re hiring Senior Ruby Developers for an exciting 3-plus-month B2B contract onsite in Lisbon, Portugal. This role is for a global-scale platform that is undergoing a significant architectural evolution toward an event-driven model using CQRS.
You’ll play a key role in designing and scaling beliable, performant, and future-ready. backend systems This is a hands-on engineering role with strategic impact across the platform. If you are interested., message me here or send email to ()
Key Responsibilities
Lead the design and development of scalable backend services in Ruby on Rails
Contribute to the transition to CQRS and event-driven architecture
Define and implement technical strategies and best practices
Optimize data flow, performance, and system reliability
Work closely with DevOps to support scalable deployment pipelines
Requirements
6+ years of experience in large-scale backend systems
Strong Ruby on Rails expertise
Solid knowledge of SOA, Microservices, CQRS, and event-driven systems
Experience with messaging systems like Kafka, RabbitMQ, or AWS SNS/SQS
Proficiency with PostgreSQL, Redis, and DB performance tuning
Familiar with AWS, Docker, Git, CI/CD, and Infrastructure as Code
Contract Details
Location: Onsite – Lisbon, Portugal
Contract Type: B2B
Duration: 3+ months (extension possible)
Start Date: Immediate or flexible (May preferred)
If you're a backend specialist who thrives in complex, evolving systems and enjoys being part of a high-performance engineering team, we’d love to hear from you.