Krishna B

Results-driven Cloud & Data Engineer with 9 years of progressive experience spanning cloud infrastructure, AWS development, and data engineering. Started as a Cloud Associate building foundational infrastructure and evolved into a versatile data-focused cloud engineer handling large-scale data pipelines, ETL workflows, and analytics platforms. Designed, architected, and maintained scalable end-to-end data pipelines on AWS using Glue, Redshift, and S3, delivering robust data solutions for EdTech and credential-verification platforms.

AWS Developer at Vivenns Global Private Limited (2018-06 – Present)

Client: Victorian Institute of Technology (Australia) – LMS

• Provisioned and managed AWS cloud infrastructure including EC2, VPC, ELB, Auto Scaling Groups, and IAM policies for VIT Australia's LMS platform.
• Set up and maintained S3 buckets, lifecycle policies, and cross-region replication for content and media storage.
• Monitored system health using CloudWatch alarms and implemented SNS-based alerting for on-call escalations.
• Collaborated with cross-functional teams across Australia and India, managing offshore delivery for VIT Australia's cloud analytics modernization project.
• Collaborated with the VIT Australia team on data exchange protocols and built secure cross-account S3 replication for international data compliance.

AWS Developer at Vivenns Global Private Limited (2018-06 – Present)

Client: Veri Once – Credentials Verification

• Developed and optimized ETL pipelines using AWS Glue to process and validate credential data from academic institutions across 30+ countries.
• Designed DynamoDB schemas for fast credential lookup APIs consumed by ApplyOnce's student portal integrations.
• Implemented Apache Spark-based batch processing jobs on EMR clusters for large-scale document and credential dataset transformations.
• Built real-time data ingestion pipelines using AWS Kinesis and Lambda for Veri Once's credential verification workflows, reducing verification time by 40%.

AWS Developer at Vivenns Global Private Limited (2018-06 – Present)

Client: Apply Once – Single-Access Education Portal

• Led the data infrastructure setup for designing a multi-tenant data lake on S3 with Athena query layer serving 500K+ student records.
• Built serverless data processing workflows for ingesting university application data from 200+ global institutions.
• Implemented SQS-based message queuing for asynchronous processing of student document submissions and notifications.
• Wrote Python scripts for automated data validation, deduplication, and normalization of student profile datasets.

Cloud Associate at Next Education India Private Limited (2016-11 – 2018-06)

• Gained foundational experience in cloud computing concepts including IaaS, PaaS, and SaaS on AWS platform.
• Provisioned EC2 instances, configured security groups, and managed basic VPC networking and subnets.
• Assisted senior engineers in implementing and managing AWS S3 lifecycle management policies to optimize storage costs.
• Created and managed IAM users, roles, and policies following the principle of least privilege.

Bachelor's in Electrical and Electronics Engineering – JNTU, Hyderabad