Arijit Kumar Sahu

About Arijit Kumar Sahu

I build production-grade data systems that process high-volume streaming events and turn them into reliable, actionable insights.Currently working on large-scale telemetry and monitoring systems processing 25M+ events per day across enterprise environments. My focus areas include real-time streaming (Kafka + Spark Structured Streaming), scalable AWS data lakes, and production observability.I enjoy working at the intersection of:• Real-time data engineering• Distributed systems• Cloud-native data platforms• Monitoring & reliability engineeringTech stack:Python | SQL | Apache Spark | Kafka | AWS (S3, Glue, Athena, Lambda)| Airflow | Docker | MongoDB | PostgreSQLCurrently expanding into:• Advanced streaming architecture• Data quality frameworks• Scalable cloud-native design patternsOpen to Data Engineering roles focused on streaming, large-scale data platforms, and cloud-native analytics.

Experience

1. Data Engineer

   Tata Consultancy Services

   Jul 2025 — Present · Bengaluru, IN

   Responsibilities include analyzing telemetry data from firewall management systems to extract meaningful insights for security and network performance- Tasks also involve building and optimizing MongoDB aggregation pipelines, designing real-time dashboards using MongoDB Atlas Charts, and implementing automated alerts through Atlas Triggers for proactive issue detection- Other duties include maintaining data integrity, automating workflows to reduce manual monitoring, and collaborating with cross-functional teams to ensure scalable, secure, and efficient data operations.

Education

• BJB Junior autonomous college

  Intermediate, Science

  2016 — 2018

• Indira Gandhi Institute of technology, Sarang(Parjang), Dhenkanal, Orissa

  Bachelor of Technology - BTech, Electrical, Electronics and Communications Engineering

  2019 — 2023