Kumar Sandeep
Singapore
sandeep@nohup.dev
LinkedIn
GitHub
Portfolio
Professional Experience
Expert Engineer
@ Shopee
Nov 2020 – Present
Spearheaded architectural design of high-concurrency OLAP clusters (Druid, StarRocks, ClickHouse).
Optimized Druid engine performance for real-time business intelligence.
Scaled services on Kubernetes using GitOps and ArgoCD.
Senior Data Engineer
@ Mediacorp
Jul 2019 – Oct 2020
Architected real-time Spark Streaming pipelines for massive clickstream data.
Developed automated ML workflows with Airflow and Databricks.
Software Engineer
@ Mobilewalla
Jun 2015 – Jun 2019
Designed low-latency OpenRTB DSP engines and high-availability Campaign APIs.
Orchestrated Spark jobs on EMR for terabyte-scale geospatial data enrichment.
Technical Proficiencies
Data & OLAP
Druid, ClickHouse, StarRocks, Spark, Flink, Scala, Python
Cloud & DevOps
Kubernetes, Terraform, AWS, Azure, ArgoCD, GitOps
AI Engineering
GenAI, RAG, LangChain, Milvus, Vector DBs
Education
B.Tech in Information Technology
2009 – 2013
Indian Institute of Information Technology (IIIT), Allahabad