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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.
Technology stack: Ruby (pure Ruby, not Rails-centric), Redis, Docker, AWS services (EC2, S3, RDS), Infrastructure-as-Code tools.
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
We have had a great and successful partnership with the client for many years, you’re joining a trusted, established team with strong engineering culture and practices (automated testing, CI/CD).
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