Senior Software Engineer
Reward Gateway · London, United Kingdom
About The Role
Join our team as a Senior Software Engineer, where you'll play a crucial role in bridging the gap between traditional application support and software engineering. In this hands-on position, you'll focus on operational excellence and engineering craft, working primarily with our AWS environment, PHP services, and MySQL databases. Your responsibilities will include providing high-quality support for PHP applications, developing and maintaining automation scripts, collaborating with peers to ensure effective monitoring, and participating in service onboarding and operability reviews. You'll also have the opportunity to contribute to the improvement of processes and workflows, maintain high standards of documentation, and work closely with various teams to ensure a cohesive operational approach.
- Provide high-quality, timely L2.5 support for PHP applications running on EKS with MySQL backends, operating within clear guardrails.
- Develop and maintain automation scripts, runbooks, and playbooks for known issue patterns across workloads, services, and operational scenarios.
- Collaborate with peers to ensure the right monitoring signals, dashboards, and alerts exist in Datadog. Tune app-level alerts and dashboards to minimize noise and surface actionable signals.
- Hands-on capability in at least one backend language (PHP preferred; Python or similar also valuable) sufficient to read, diagnose, and write safe operational scripts and minor fixes under guardrails
- Proven experience in application support or operations engineering in cloud environments, ideally supporting PHP services running on Kubernetes (EKS) with MySQL backends
- Practical Kubernetes skills for operations: kubectl/Helm basics, investigating pods/deployments, reading logs/events, understanding readiness/liveness probes, and performing safe rollouts/rollbacks within documented guardrails
- Strong experience using Datadog (APM/metrics/traces/dashboards/alerts) for investigation and detection; confident using Kibana for log exploration and correlation; ability to leverage Heap to assess user impact and prioritize remediation
- Strong communication skills; clear, concise documentation; collaborative approach focused on reducing toil, increasing automation, and raising the quality bar
- MySQL operational fluency: connection and pool issues, slow query detection, query plan basics, common remediation patterns (e.g., indexing recommendations to hand to L3, safe data fixes under runbook guardrails), and understanding of replication/backup implications
- Familiarity with ITSM tooling (e.g., Jira Service Management) and ITIL-aligned incident and problem management processes
- Experience with feature flag platforms and configuration-as-code within safe operational guardrails
- Familiarity with AWS services that commonly interface with PHP/EKS workloads (e.g., CloudWatch, ALB, S3, SQS) and how they surface in Datadog and Kibana
- Python
- Exposure to service onboarding/operability reviews, SLOs, and contributing to a Service Catalogue
- Experience balancing incident response with proactive improvement work in Agile contexts; strong documentation discipline
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