Senior Backend Engineer

Tenjin is a remote-only organization focused on helping mobile app developers make data-driven decisions about their marketing. They are seeking a Senior Backend Engineer to lead the development of their analytics dashboard, focusing on backend architecture, Ruby/Rails APIs, and collaborating with cross-functional teams.

Responsibilities:

• Lead major architecture and software design decisions
• Develop and maintain background jobs (Sidekiq) and employ caching to keep dashboards snappy under load
• Own CI/CD pipelines and deployments (GitHub Actions, Docker, Kubernetes/ECS), ensuring that releases are automated, reliable, and fast
• Collaborate closely with designers, product managers, and front-end developers to create user-friendly and visually appealing interfaces
• Write clear and maintainable documentation
• Ensure test coverage for new and existing features
• Employ feature flags to support trunk-based development workflows
• Adhere to and enforce code style guidelines and best practices
• Profile, debug, and optimize performance issues in production and staging environments

Requirements:

• Deep expertise in Ruby (typically 5+ years)
• Familiarity with Rails
• Experience with Golang
• Experience working with high-volume data ingestion and real-time analytics at scale
• Experience building and consuming REST APIs
• Familiarity with Git and hosting platforms like GitHub
• Excellent organization and communication skills
• An appetite for learning, problem-solving, and contributing to a dynamic team environment
• Experience with AWS, Kubernetes, and Docker
• Experience with PostgreSQL, DynamoDB, Kafka
• Experience with mobile app development or mobile marketing
• Experience building data-intensive user workflows - customizable tables, charts, etc
• Experience working with in-house style guides