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Armagan Sisik
Mid-Level Backend Software Engineer specializing in Go microservices and Kubernetes DevOps
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Backend/DevX engineer with startup experience who built internal JavaScript SDKs for POS integrations, including a daily GMV calculation feature standardized across multiple POS providers. Strong in performance debugging (used Jaeger to resolve legacy WebSocket bottlenecks) and developer enablement—built a cronjob migration tool (ArgoWorkflow to internal platform) with documentation that let teams migrate in ~30 seconds, plus handled on-call and internal support.
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Key Strengths
- Built internal JavaScript SDK for POS integrations to reduce redundant/duplicate code
- Designed daily GMV calculation feature across multiple POS systems via a consistent interface
- Diagnosed and fixed legacy WebSocket performance bottleneck using Jaeger distributed tracing
- Created developer-friendly docs enabling cronjob migration from ArgoWorkflow to internal platform in ~30 seconds
- Effective internal developer support: quickly triaged and fixed migrator bug via internal Q&A platform
- Thrives in fast-paced startup environments; took ownership beyond backend dev (onboarding, testing, on-call, customer help)
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