Principal Engineer, SRE Middleware Architecture & Integrations
Circles.Life8 days ago
India (city not specified)Staff+
Responsibilities
- Design, implement, and operate scalable, resilient middleware infrastructure across AWS, GCP, OCI, and hybrid environments.
- Architect and operate Kafka clusters, RabbitMQ brokers, Redis caching layers, and API gateways.
- Build infrastructure-as-code and automation for middleware using Terraform, Ansible, Python, and Helm.
- Define and enforce SLOs, SLIs, error budgets, reliability standards, runbooks, and playbooks.
- Lead incident response, post-mortems, root-cause analysis, chaos engineering, resilience testing, and continuous improvement.
- Conduct performance tuning, capacity planning, load testing, and cost optimization for messaging and caching systems.
- Own API and integration strategy, including routing, authentication, rate limiting, traffic governance, and event pipelines.
- Collaborate with development and platform teams to embed integration, security, performance, and operational standards into delivery practices.
- Mentor junior engineers and grow architecture and engineering team capabilities.
Requirements
- 14+ years of overall experience, including at least 6 years in middleware or integration architecture in large-scale, high-availability, mission-critical environments.
- Deep expertise designing and operating Apache Kafka and RabbitMQ, including clustering, partitioning, replication, high availability, and schema registry concepts.
- Strong understanding of Redis caching strategies, cluster and sentinel topologies, persistence, and performance tuning.
- Hands-on expertise with API gateways such as Kong, Apigee, AWS API Gateway, and Azure API Management.
- Deep knowledge of event-driven architecture, pub/sub patterns, ESB/iPaaS concepts, and third-party or partner integrations.
- Strong hands-on experience with AWS, GCP, and OCI, including cloud-native architecture, hybrid cloud operations, and infrastructure optimization.
- Proficiency with Terraform, Ansible, Helm, infrastructure-as-code, automation, configuration management, and GitOps workflows.
- Expertise in high-severity incident response, blameless post-mortems, root-cause analysis, and reliability operations.
- Hands-on experience with chaos engineering and resilience validation for messaging and caching systems.
- Demonstrated ability to lead, mentor, and grow architecture or engineering teams and establish operational standards.
- Experience using project and delivery management tools such as JIRA.
- Strong analytical, problem-solving, communication, prioritization, and stakeholder-management skills.
Tech Stack
Categories
DevOpsSite Reliability
About Circles.Life
Circles.Life is a digital mobile operator offering app-driven, no‑contract mobile plans, eSIM, and roaming to consumers. Launched in 2016 in Singapore and part of the Circles group, it operates as an MVNO, including on M1’s network in Singapore and Optus’s network in Australia, with services also available in Taiwan. The brand sells subscriptions and add‑ons directly online and through its mobile app.