Ritesh Puj

Software Engineer III - Cloud at CrowdStrike • Patent Inventor
12 Years Experience
📍 Berlin, Germany
🎯 Self-Hosted Portfolio
This website is hosted on a Raspberry Pi 4 running from my home network

Professional Summary

Software Engineer III with 12 years of experience at CrowdStrike, specializing in cloud infrastructure and data ingestion pipelines. Proficient in learning and using the tools required for the job to design and build maintainable, available, scalable and observable applications.

Passionate about clean architecture, readable code and testing. Experienced in navigating through ambiguous requirements and taking projects from start to finish while working collaboratively with teams. Proven track record in mentoring and onboarding junior/senior developers.

Love to fix broken software as well as processes, and thrive in environments of trust, empowerment and respect with motivated people.

Work Experience

Software Engineer III - Cloud

CrowdStrike GmbH
Oct 2022 - Current
Remote, Germany
  • Responsible for the whole data ingestion pipeline of Third-party data involving full SDLC cycle - from architecture design to implementation and testing
  • Built 5 third party connectors to bring 3rd party data using Azure EventHubs, AWS S3, AWS SQS, Office 365 Management Activity API and Microsoft Graph API
  • Service Owner of 2 core components in the pipeline that support the data ingestion pipeline
  • Used monitoring tools like Grafana with Graphite DB as store, Splunk and LogScale for system observability
Technologies: Golang, Python, Apache Kafka, Docker, Kubernetes, Azure EventHubs, AWS S3, AWS SQS

Senior Software Engineer

Zalando SE
Feb 2019 - Sep 2022
Berlin, Germany
  • Owned the whole development cycle end-to-end - from architecture design to implementation, testing and maintenance of Retail Center applications
  • Developed REST APIs that follow Opensource Zalando API guidelines
  • Developed event-driven applications using Nakadi (Kafka wrapper)
  • Key driver of OpenTracing and Lightstep Integration in the Department
  • Mentored Junior frontend developer to become full-stack engineer
  • Onboarded multiple new joiners to the team and maintained good team health
Technologies: Kotlin, Spring Boot, Nakadi, PostgreSQL, Kubernetes, Docker, OpenTracing, LightStep

Senior Software Engineer

Gracenote Inc
May 2017 - Jan 2019
Mumbai, India
  • Worked on designing the architecture and development of ETL pipeline from the scratch
  • Developed core business logic application for Music Rights Database Project
  • Lead two junior developers through project development and implementation
  • Worked on a POC of setting up Kubernetes cluster with two worker nodes
Technologies: Java, Spring Framework, ETL Pipeline, Kubernetes, Music Rights Database

Software Engineer

Play Games24x7 Pvt. Ltd.
Sep 2013 - May 2017
Mumbai, India
  • Worked on the development of critical tools that handles high amount of traffic to enable WebSocket and TCP connection between game table and real users
  • Developed custom Lua scripts to run on Redis to reduce latency of an API
  • Debugged issues in a multithreaded application using thread dumps and heap dumps
  • Automated restarts of the 60+ applications using shell scripts for deployment
Technologies: Java, Redis, Lua, WebSocket, TCP, Shell Scripting, Multithreading

Patents

Contributing Inventor - US Patent 12,360,962 B1

CrowdStrike, Inc.
Issued: Jul 15, 2025
Cybersecurity Innovation
"Semantic Data Determination Using a Large Language Model"
Advanced AI system for automated cybersecurity threat detection and data analysis.
  • Co-developed AI system that uses large language models to automatically understand and categorize unclear security data for threat detection
  • Designed user override mechanisms for generated field descriptions and semantic models
  • Implemented comprehensive test coverage for automated threat detection workflows
Technologies: Large Language Models, Semantic Data Processing, Machine Learning, Cybersecurity Analytics
📄 Download Patent PDF 🔍 Search USPTO Database

Key Initiatives

Task and Notifications Service

Zalando SE • Senior Software Engineer Role

Developed Task service and Notification service to provide email notification feature to different domains in Retail Operations. Built comprehensive task management and notification system designed for high-throughput operations with real-time updates.

Technologies: Kotlin, Spring Boot, Kafka, PostgreSQL, Kubernetes, Docker

OpenTracing and Lightstep Integration

Zalando SE • Senior Software Engineer Role

Integrated OpenTracing and Lightstep in the services for better observability of the services. Led the implementation of distributed tracing solutions to improve system observability and performance monitoring across microservices architecture.

Technologies: Kotlin, OpenTracing, Lightstep

Technical Skills

Cloud & Infrastructure

Docker Kubernetes AWS (S3, SQS) Azure EventHubs Microsoft Graph API Office 365 API

Programming Languages

Golang Python Kotlin Java Lua Shell Scripting

Frameworks & Libraries

Spring Boot Spring Framework Nakadi OpenTracing LightStep

Data & Messaging

PostgreSQL Redis Graphite DB Apache Kafka WebSocket TCP

Observability

Grafana Splunk LogScale OpenTracing

Development Practices

Clean Architecture REST APIs SDLC ETL Pipeline Development Microservices

Leadership

Team Leadership Mentoring Cross-team Communication Project Management

Education

Bachelor of Science in Computer Science and Engineering

Shah And Anchor Kutchhi Engineering College, Mumbai University
Aug 2010 - May 2013 • Mumbai, India
Academic Performance: 64.57%

Languages

English
Full Professional Proficiency
German
Elementary
Hindi
Native
Gujarati
Native
Marathi
Limited Working Proficiency

Honors & Awards

Silver Award

Awarded by Director of Music Engineering Team at Gracenote for critical contributions to the Music Rights project enabling performance and operational efficiencies
2018 • Mumbai, India

Instant Karma Award

Awarded by Marketing Manager at Play Games24x7 for automated deployment using continuous integration tool allowing creative designers to upload their promotion web pages in one click
2016 • Mumbai, India
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