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Arjun Masadi
Mid-level Full-Stack Developer specializing in cloud-native FinTech and Healthcare platforms
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About
Full-stack engineer (3+ years) who owned an AI-powered customer financial health dashboard end-to-end at Regions Bank, combining React/Java Spring Boot with LangChain + Pinecone for personalized insights. Strong production operations experience on AWS EKS with CI/CD and observability (OpenTelemetry/Prometheus/Grafana), delivering measurable outcomes including 22% support reduction and 99.9% uptime, plus robust third-party financial/clinical integrations.
Experience
Education
Key Strengths
- Owned and shipped end-to-end AI-powered financial health dashboard (frontend, backend, deployment)
- Measured impact: reduced support volume by 22%
- Operated production system with 99.9% uptime
- LLM orchestration + vector search implementation (LangChain + Pinecone) for real-time personalized insights at scale
- Production Kubernetes delivery on AWS EKS with Docker/Helm and automated CI/CD (GitHub Actions)
- Strong observability practices (OpenTelemetry traces, Prometheus metrics, Grafana dashboards)
- High-ambiguity delivery: shipped MVP behind feature flags and iterated via metrics/support-ticket feedback
- Performance and reliability engineering in Postgres/Node systems (composite indexes, caching, queues, staged backward-compatible migrations)
- Maintainability improvements via modular React components, standardized state management, and clean-architecture refactors in Spring Boot
- Reliable integration patterns for flaky third-party systems (idempotency, retries/backoff, DLQs, backfills, reconciliation, alerting)
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