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rharshit82/README.md

Hi, I’m Harshit Raj 👋

Backend engineer building reliable systems at scale

rharshit82


👨‍💻 About me

I’m a backend engineer with ~3 years of experience working on production systems at scale.
I currently work at Amazon, and previously at AdPushup, where I built and operated high-throughput distributed systems.

I enjoy working close to the core of systems — APIs, data pipelines, observability, and infrastructure — where correctness, performance, and ownership matter more than surface-level features.

I’m comfortable owning problems end-to-end: understanding failures, fixing root causes, and making systems more reliable over time.


🛠 Tech I work with

Backend & Systems

  • Java, Spring Boot, REST APIs
  • Kafka, RabbitMQ, event-driven systems
  • SQL (Postgres, MySQL), NoSQL (Couchbase, Redis)

Infra & Observability

  • Docker, CI/CD, Jenkins
  • Prometheus, Grafana, Alertmanager
  • Structured logging (Log4j2), metrics & alerts

Cloud

  • AWS (Lambda, CDK, SQS, CloudWatch)
  • Oracle Cloud (OCI)

I’m language-agnostic by mindset — fundamentals first, tools second.


📈 What I’ve worked on

  • Kafka pipelines processing billions of events/day
  • Backend services used by real customers at scale
  • Cost and reliability improvements in production systems
  • Observability stacks that reduced on-call pain and MTTR
  • Open-source contributions and side projects for learning

🌱 What I’m learning / exploring

  • Deeper system design and performance tuning
  • Distributed systems fundamentals
  • Go & Python for backend and tooling
  • Better debugging, not just faster coding

🔗 Connect with me

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