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Achievements

Achievement: Pull Sharkx3Achievement: Arctic Code Vault Contributor

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dhananjay8/README.md

Dhananjay Patil

Senior Backend & Cloud Engineer building distributed systems, cloud security platforms, and high-scale SaaS products.

Portfolio · LinkedIn · GitHub · Email

Focus

  • Distributed systems: Kafka-driven workflows, event-driven microservices, Redis coordination, retry/dead-letter strategies.
  • Cloud platforms: AWS, Azure, serverless, Kubernetes, Terraform, CloudFormation, Azure Bicep, managed identity, RBAC/IAM.
  • Backend engineering: Node.js, TypeScript, Java, Spring Boot, Python, REST APIs, GraphQL, PostgreSQL, MongoDB, Cassandra, Elasticsearch, Redis.
  • Product impact: API performance, monolith decomposition, payments integrations, observability, compliance automation.

Current work

Qualys — Senior Software Engineer, Backend & Cloud Platforms

  • Architecting multi-cloud cloud-native vulnerability and posture assessment workflows.
  • Designing Kafka-driven distributed microservices processing 50K+ daily cloud events.
  • Supporting 100+ concurrent enterprise environments with resilient orchestration.
  • Engineering Azure cross-subscription snapshot scanning with managed identity and customer-managed encryption key support.
  • Improving cloud discovery throughput through concurrent scheduling, adaptive rate limiting, and Redis-backed work queues.

Selected impact

  • 60% faster snapshot provisioning by removing disk copy operations in Azure scan workflows.
  • 40% faster cloud discovery coverage through concurrency, pagination tuning, and adaptive rate limiting.
  • 40% faster billing platform performance by decomposing monolith workflows into service-oriented components.
  • 9–13s to 1–2s API latency reduction using caching, connection pooling, and optimized filtering.
  • 30% reduction in manual operations effort across warehouse and logistics workflows.

Public work

  • UniCache — universal caching library for Memcached, Redis, and in-memory adapters.
  • OST ecosystem — backend infrastructure and blockchain tooling contributions.
  • Mark and Sweep Algorithm — educational garbage collector implementation.
  • Green Cloud Metrics — Azure sustainability analytics and research implementation.

Writing

Contact

Pinned Loading

  1. ostdotcom/ost-block-scanner ostdotcom/ost-block-scanner Public

    OST Block Scanner parses Ethereum-based chains and stores data in DynamoDB

    JavaScript 15 1

  2. ostdotcom/ost-view ostdotcom/ost-view Public

    OST VIEW is the custom-built block explorer from OST for OpenST Utility Blockchains

    JavaScript 31 5

  3. ostdotcom/ost-sdk-js ostdotcom/ost-sdk-js Public

    OST Platform SDK for JavaScript

    JavaScript 26 3

  4. leetcode leetcode Public

    JavaScript 1