Principal Engineer, SRE Middleware Architecture & Integrations

About the role

Today, Circles partners with leading telco operators across multiple countries and continents, including KDDI Corporation, Etisalat Group (e&), AT&T, and Telkomsel, creating blueprints for future telco and digital experiences enjoyed by millions of consumers globally. Besides its SaaS business, Circles operates three other distinct businesses:

What you'll do

• Design and architect resilient, scalable middleware infrastructure across cloud and hybrid environments with an integration-first mindset covering reliability
• Architect and operate Kafka clusters, RabbitMQ brokers, and Redis caching layers with focus on self-healing, auto-scaling, and platform resilience
• Design, build, and govern API Gateways (e.g., Kong , Apigee, AWS API Gateway, Dell Bhoomi ) — covering routing, rate limiting, authentication
• Develop and maintain infrastructure-as-cod e for middleware components using Terraform, Ansible, and Helm across AWS, GCP
• Conduct performance tuning, capacity planning, and load testing on messaging and caching layers to proactively identify bottlenecks and ensure systems scale reliably…

What you need

• 14–25 yrs of experience
• AWS
• Terraform
• GCP
• Ansible
• Helm
• Azure
• Any graduate

Good to have

• RabbitMQ
• Kafka
• Redis
• CI/CD
• Incident response
• Root cause analysis