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HarshDevelops/README.md

Harsh Srivastava

Java & Backend Engineer

I build production backend systems, distributed workflows, reliable data pipelines and independent software products.

Professional Focus

I work as a Backend Engineer at Tata Consultancy Services for Avis Budget Group, building and operating Java and Spring Boot systems across reservation, fleet, data-processing and production-support workflows.

My work sits where product requirements, backend architecture and production behavior meet: GraphQL delivery, relational databases, AWS, Kubernetes, concurrency, reliability, performance optimization and production debugging.

Alongside professional work, I independently build and deploy software products across technical hiring, financial research, compliance workflows and developer tooling.

Selected Engineering Impact

  • Designed and owned a safeguarded Spring Boot pipeline processing 90K+ database records.
  • Cut processing time from roughly 50 minutes to 20 minutes using bounded concurrency, retries and failure isolation.
  • Reduced the pipeline footprint from roughly 9 GB to 900 MB using Apache Avro.

Open Source Contributions

  • Apache Avro (Core Serialization Engine): Fixed memory safety and data correctness issues in BytesWritableConverter (AVRO-4268) by enforcing strict logical length bounds on underlying byte buffers, preventing memory over-allocation and silent buffer padding corruption during high-throughput serialization.

Products

Buglyst

Realistic debugging assessments and technical hiring workflows built around production-style engineering problems.

ConCallIQ

Financial-intelligence platform analysing earnings calls, management commitments and subsequent execution across Indian listed companies.

  • Analysed 1,161 quarters across 765 companies.
  • A linked research post reached 28K+ views, 103+ upvotes and 26 comments, and ranked as the subreddit's #3 post of the day.
  • Reddit post: management commitment tracking research

CrewCheck

Compliance and PII-detection workflows for secure document analysis.

ProteinCompare

A structured ranking and comparison platform for protein products.

Core Stack

Backend: Java, Spring Boot, Node.js, TypeScript, JavaScript, Python, GraphQL, REST APIs, gRPC

Data and distributed systems: Kafka, Apache Avro, PostgreSQL, MySQL, IBM DB2, Redis

Cloud and delivery: AWS, Kubernetes, Docker, Jenkins, ArgoCD, Terraform

Testing and observability: Prometheus, Grafana, production debugging, API tracing, SQL debugging, log analysis

AI engineering tools: OpenAI Codex, Claude, Claude Code, DeepSeek, MiniMax M3, Kimi, Azure OpenAI

Links

GitHub Activity

Harsh Srivastava GitHub stats Harsh Srivastava top languages

Pinned Loading

  1. snagify snagify Public

    CLI to debug "works on my machine" issues by detecting environment drift: runtimes, .env keys, Git, Docker, ports, DNS, TLS, PATH, timezone, and local services.

    Go 3

  2. 500-DSA-Compilation 500-DSA-Compilation Public

    JavaScript

  3. Movie-Nest Movie-Nest Public

    Created a movie finder using React.js and Material UI

    JavaScript