Senior Site Reliability Engineer at Duplo

Job Overview

Location
Lagos, Lagos
Job Type
Full Time
Date Posted
1 day ago

Additional Details

Job ID
155154
Job Views
24

Job Description






Key Responsibilities:




  • Lead technical design and implementation for large, high-risk, or high-complexity initiatives that improve the availability, scalability, and resilience of our backend systems

  • Design robust service boundaries, define maintainable infrastructure architecture, and guide reliability standards and best practices across the engineering team

  • Understand edge cases in money movement and design with operational safety and compliance in mind, not just uptime

  • Own observability end-to-end metrics, logging, tracing, and alerting so issues are caught before customers feel them

  • Build and refine incident response processes, lead incident diagnosis and resolution in production, and drive thorough postmortems that prevent recurrence

  • Work seamlessly with cross-functional partners including product, compliance, finance operations, support, backend engineering, and external providers, communicating clearly and adapting your approach to whoever you are working with

  • Collaborate closely with fellow engineers through code and infrastructure review, pairing, and technical discussion, giving and receiving feedback in a way that raises the quality of the team's work, not just your own

  • Make sound, well-reasoned decisions on architectural trade-offs, deployment strategies, and rollout safety, and know when to escalate decisions with broader business impact

  • Drive capacity planning, performance tuning, and cost-efficiency across infrastructure, balancing reliability against operational spend

  • Define and track SLOs/SLIs, and use them to prioritize reliability work against feature delivery

  • Mentor other engineers; raise engineering and operational standards and strengthen both the systems you own and the people you work with



Requirements:




  • Minimum of 7 years of experience in SRE, DevOps, or backend infrastructure roles, with deep expertise in Kubernetes, Docker, and AWS in production environments

  • Strong scripting/programming ability (TypeScript and/or another language used for tooling, automation, or services) to build internal tools and automate operational work

  • Practical expertise with PostgreSQL operations at scale, including replication, backup/recovery, performance tuning, and patterns that protect correctness in financial systems

  • Practical expertise with Redis for caching, coordination, rate-limiting, and distributed locking, including operating it reliably in production

  • Strong command of observability tooling (e.g., Prometheus, Grafana, Datadog, ELK, or equivalent) and a track record of building monitoring that catches problems early

  • Demonstrated experience designing and maintaining CI/CD pipelines, infrastructure as code (e.g., Terraform), and secrets management

  • Demonstrated experience in fintech or other high-stakes systems, including provider integration resilience, failover design, and compliance-sensitive infrastructure

  • A track record of owning complex, high-stakes incidents from detection through resolution and postmortem, and standing behind the outcomes

  • Strong communication skills, with the ability to work effectively across engineering, product, compliance, and external partners

  • A demonstrated habit of catching issues before they become incidents, and of treating failure as something to learn from rather than deflect

  • Experience mentoring or raising the operational standard of a team, not just delivering individually



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