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Zaky7/README.md

Hi, I'm Zakir 👋

Senior backend engineer with 9+ years of experience designing and scaling distributed systems across fintech, legal tech, search, and developer tooling.

I build reliable, high-throughput platforms with Java, Kotlin, Spring Boot, Kafka, and cloud-native infrastructure. I enjoy solving problems around system design, event-driven architecture, search, observability, and production AI agents.

🧰 Technical toolkit

  • Languages: Java, Kotlin, Python, TypeScript
  • Backend: Spring Boot, Spring WebFlux, Kafka, gRPC, REST, Apache Camel
  • Data: PostgreSQL, Cassandra, Redis, Elasticsearch
  • Cloud & infrastructure: AWS, Kubernetes, Docker, Terraform, CI/CD
  • Reliability & security: Distributed systems, automated testing, observability, OAuth2, RBAC
  • GenAI: LangGraph, LangChain, AWS Bedrock, MCP, tool-calling agents, guardrails

🚀 Selected impact

  • Led a three-region authentication migration for 200K users across 1,500 customers, with no forced logouts and a 78% reduction in provisioned EC2 memory.
  • Designed an audit platform processing 100M+ events per day, handling 10K events/second peaks with durable retries, idempotency, and seven-year retention.
  • Built a production incident-analysis agent that correlates metrics and logs, saving on-call teams 10–12 engineer-hours per week.
  • Scaled trading APIs to 20K orders per minute at sub-100ms p95 latency and built event systems processing 10M+ events daily.
  • Extended a petabyte-scale search platform to run Elasticsearch versions in parallel, enabling phased migration and tenant-level rollback.

💡 Engineering interests

  • Reliable distributed systems and event-driven architecture
  • JVM performance, API design, and backend platform engineering
  • Search systems, observability, and production resilience
  • Agentic AI systems with measurable reliability and operational value

🤝 Let's connect

I'm open to senior backend engineering opportunities and conversations about distributed systems, JVM platforms, and production AI.

LinkedIn · Email

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