Ruby Developer

About the Position

We are looking for a Backend Engineer with strong expertise in pure Ruby. In this role, you will design and maintain robust backend services and high-volume API integrations in a domain where transactional integrity and money flows are critical. You’ll collaborate closely with stakeholders and external partners to deliver secure, scalable solutions.

About the Project

This project focuses on building and maintaining high-volume, complex API integrations with external partners in a domain where transactional integrity and money flows are critical.

Responsibilities

• Design and implement robust backend services using Ruby
• Develop and maintain complex API integrations with external systems
• Ensure transactional integrity and reliability in high-volume environments
• Collaborate with stakeholders and external partners to clarify requirements
• Contribute to infrastructure automation and deployment processes
• Participate in technical design discussions and solution shaping

Requirements

• Strong experience with Ruby (beyond Ruby on Rails)
• Proven track record of delivering backend services in complex domains
• Expertise in API design, integration, and third-party connectivity
• Familiarity with transactional systems and reliability constraints
• Solid understanding of DevOps practices and Infrastructure-as-Code
• Hands-on experience with AWS services (EC2, S3, RDS)
• Knowledge of Docker for containerization
• Experience with Redis
• Strong analytical skills for navigating intricate business rules
• Clear and confident communication skills for stakeholder engagement

Nice to Have

• Thin, EventMachine, Sinatra
• Exposure to Elasticsearch.
• Experience in financial or transactional domains.

Technologies

Ruby (pure Ruby, not Rails-centric) Redis Docker AWS services (EC2, S3, RDS) Infrastructure-as-Code tools