Job description
ZigZag is looking for a Ruby on Rails Engineer to join our team!
About Our Client
Weʼre an established fintech company building the next generation of payments solutions. Our Tech Delivery Team owns our payment platform end-to-end, including critical backend systems that process high-volume, low-latency transactions securely and reliably. Weʼre currently looking for a skilled Backend Engineer with strong Ruby on Rails experience to help build, maintain and evolve the core of our payment processing systems.
About the Role
As a Backend Engineer in the Tech Delivery team, youʼll design, build, and maintain the core services that underpin our payments platform. Youʼll be part of a cross-functional team focused on scalability, security, and performance. While Ruby on Rails is a core part of our stack, youʼll also collaborate across services written in other languages and have opportunities to work in Go and/or Java.
Responsibilities
- Design, develop, and maintain backend services primarily using Ruby on Rails
- Write clean, maintainable, and testable code following best practices.
- Participate in code reviews and ensure code quality.
- Troubleshoot and resolve issues in existing software.
- Improve the performance, reliability and observability of ZAI services.
- Collaborate effectively with engineers on product initiatives that span multiple services and languages in our tech stack.
- Contribute to the continuous improvement of software development processes.
Qualifications
- Min 5 years of professional experience in backend development
- Strong, hands-on experience building production systems with Ruby on Rails.
- Solid knowledge of relational databases (e.g., PostgreSQL, MySQL and NoSQL systems.
- Experience building and consuming RESTful APIs.
- Strong problem-solving skills.
- Ability to work collaboratively in a team
Desirable
- Experience with Go and/or Java, or a demonstrated willingness to work in other languages.
- Familiarity with AWS and cloud-native architectures.
- Exposure to high-throughput, low-latency systems.
- Familiarity with CI/CD practices and tools (e.g., BuildKite, etc).
- Experience building distributed systems and working on high-throughput backend services.
- Experience with message-driven architectures (e.g. Kafka, EventBridge, SQS).
- Background in fentech, payments, or other regulated environments
ZigZag is committed to building a diverse, inclusive, and equitable workplace. We believe that talent knows no borders, and we welcome individuals from all backgrounds to help us shape the future of work. Guided by transparency and agility, we foster an environment where everyone is valued and empowered to thrive.
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