Himanshoo in a navy coat by the Seine, with the Eiffel Tower behind him

Himanshoo

Software engineer in Berlin

I build large-scale distributed systems at AWS: the pipelines that bill every S3 customer from petabytes of data a day, and the platform EC2 engineers use to collect and analyse crash dumps securely.

Currently

Software Development Engineer at Amazon Web Services, working across S3 and EC2.

Works with

  • Python
  • Java
  • Rust
  • TypeScript
  • SQL
  • AWS
  • Kubernetes
  • Docker
  • Spark

Speaks

English, Hindi, and German at an intermediate level.

  1. Software Development Engineer

    Amazon Web Services

    –present, Berlin

    • Promoted from L4 to L5 for impact across EC2 and S3, two of AWS's highest-scale and most critical services.
    • Designed and maintained distributed systems processing petabytes of data daily, powering billing for every S3 customer across all storage classes at 99.99% availability with a 24-hour SLA.
    • Contributed to three S3 Storage Lens features: deep-prefix storage insights, native metric queries via Apache Iceberg, and cost optimisation at exabyte scale.
    • Built a fleet-wide system for securely collecting and storing crash and core dumps, used by hundreds of EC2 engineers across AWS infrastructure.
    • Engineered fine-grained access control giving engineers secure, isolated environments for crash analysis, with security as the primary design constraint.
    • Developed internal tooling adopted by 10+ EC2 teams, improving diagnostic workflows and operational efficiency.

  2. Software Engineer

    Klarna

    –, Frankfurt

    • Designed and implemented behavioural push notifications based on in-app usage, increasing customer retention by 10%.
    • Built and maintained 30+ end-to-end tests with Selenium and Protractor covering each user group's core workflows.
    • Contributed to a Python scraping tool collecting public market data for 10,000+ companies, increasing research efficiency by 50%.
    • Improved the CI/CD pipeline, cutting deployment times by 27%, and optimised database queries, cutting load times by 19%.

  3. Consultant

    Deloitte

    –, Hyderabad

    • Developed custom identity and access management solutions with SailPoint IAM and Java for client-specific requirements.
    • Built and maintained an internal knowledge-sharing platform with Python and Django.
    • Overhauled the legacy codebases of two production applications, halving their runtime.
    • Designed unit and integration tests to keep systems compliant with performance benchmarks.