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Senior Site Reliability Engineer (Hybrid)
About this role
Duplo, a Lagos-based fintech startup, is hiring a Senior Site Reliability Engineer for a full-time, hybrid role in Lagos. The position focuses on designing reliable, scalable backend systems and leading high-risk technical initiatives. The role involves defining reliability standards, incident response, observability, capacity planning, and collaborating with product, compliance, and external providers. The employer aims to transform B2B payments in Africa and is backed by notable investors. The job requires substantial experience in SRE, DevOps, or backend infrastructure, with strong Kubernetes, Docker, AWS, CI/CD, and observability skills.
What you would do
- Make architectural and deployment decisions with reliability and rollout safety in mind
- Design service boundaries and maintainable infrastructure architecture
- Lead high-complexity initiatives to improve backend availability and scalability
- Mentor engineers and raise engineering and operational standards
- Define and track SLOs/SLIs and prioritise reliability work
- Collaborate with product, compliance, finance operations, support, and external providers
- Build and refine incident response processes and lead production incident resolution
- Own end-to-end observability, including metrics, logging, tracing, and alerts
- Drive capacity planning, performance tuning, and cost-efficiency across infrastructure
- Foster code and infrastructure reviews and provide feedback to raise team quality
What they are asking for
- Minimum 7 years in SRE, DevOps, or backend infrastructure roles
- Deep expertise in Kubernetes, Docker, and AWS in production
- Experience designing and maintaining CI/CD pipelines and infrastructure as code (e.g., Terraform)
- Strong observability experience (Prometheus, Grafana, Datadog, ELK or equivalent)
- Scripting/programming ability (TypeScript or other tooling language)
- Proven track record of pre-empting incidents and treating failure as a learning opportunity
- Experience owning complex incidents from detection to postmortem
- Excellent communication across engineering, product, compliance, and external partners
- Practical expertise with Redis for caching and distributed locking in production
- Practical expertise with PostgreSQL at scale, including replication, backup/recovery, and performance tuning
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