Backend Engineer

RYZ Labs is looking for an experienced Sr. Backend Engineer to join one of our clients' teams. This role will be pivotal in building features and improving performance in the applications that the customers rely on every day.
This role is needed on a short-term basis (approximately 4-8 weeks) to support an ongoing backend rewrite.
Requirements
5+ years of professional experience building backend services
Proficiency in TypeScript and/or Python
Strong experience with SQL/NoSQL databases and in-memory caching
Deep understanding of system design, including event-driven architectures, messaging queues, and scalable service patterns
Familiarity with technologies like Kafka, RabbitMQ, AWS SQS/SNS, Redis Streams, or similar
Experience with microservices and asynchronous workflows
Knowledge of security best practices, including authentication and authorization
Experience with observability, infrastructure as code (Terraform preferred), and CI/CD automation
Stro...