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PRAJU KUMAR
Mid-level Full-Stack Developer specializing in Java/Spring microservices and React/Angular
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About
Full-stack engineer with hands-on production experience building real-time customer-facing features (order tracking + push notifications) across React/React Native and Node/Spring Boot with Postgres/MySQL. Demonstrates strong reliability patterns (transactional outbox, background workers, idempotent webhook ingestion) and has deployed/operated systems on AWS (ECS/Fargate/ALB, CloudWatch, CodePipeline) with structured observability and environment separation.
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Key Strengths
- End-to-end ownership of production features (frontend, backend, deployment/ops)
- Real-time systems implementation (live order tracking via WebSockets/real-time updates)
- Reliable push notification design using transactional outbox + background worker (decoupled from request path)
- Strong API boundary validation practices (schema validation, reject early, strip unknown fields)
- Production AWS deployment and operations (ECS/Fargate/EC2, ALB, autoscaling, CI/CD)
- Observability implementation (structured logs, centralized logging, metrics dashboards/alerts, request correlation IDs)
- Designing resilient third-party webhook/ETL integrations (idempotency, retries, backfills, reconciliation, alerting)
- Maintainability-focused refactoring in fast-moving React codebases (modular components, consistent data-fetching abstractions)
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