Recommended expert

Pappu Prasad

Senior Cloud Consultant (AWS Services and Consulting)

Pappu Prasad
Cologne, Germany

Experience

Jun 2024 - Dec 2024
7 months
Frankfurt, Germany

Senior Cloud Consultant (AWS Services and Consulting)

devoteam GmbH

  • Developed automated ETL pipelines with AWS Glue and Athena to ensure consistent data quality and governance requirements
  • Implemented validation, anonymization, and encryption measures for data in compliance with GDPR
  • Optimized cloud costs by introducing FinOps practices and increased transparency for business units
  • Monitored performance, performed root cause analyses, and ensured adherence to SLAs
  • Supported data and solution architects in building scalable data models for ML and analytics scenarios
Jan 2022 - May 2024
2 years 5 months
Düsseldorf, Germany

Senior Data Engineer (AWS Services and Consulting)

Accenture GmbH

  • Designed and implemented scalable ETL/ELT pipelines (Python, S3, Glue, Athena, Redshift, PySpark) for efficient transformation and integration of heterogeneous data sources
  • Established a central data lakehouse for structured and unstructured data, giving teams unified access for analytics and AI projects
  • Developed governance and compliance controls, including validation and pseudonymization of personal data under GDPR
  • Introduced FinOps processes to control operational costs and deliver data platforms more economically
  • Led architecture initiatives for data governance and ensured compliance with external requirements (e.g., EU AI Act)
Oct 2020 - Dec 2021
1 year 3 months
Cologne, Germany

Data Engineer (Workflow Integration)

beeline Group

  • Developed ETL workflows with Inubit BPM to automate the processing of retail data formats, increasing data availability for business units
  • Modeled and transformed raw retail data into customer-centric solutions using the Inubit BPM tool to improve customer insights
  • Developed workflow models to automate the processing of various file formats such as txt, csv, xlsx, EDIFACT, and IDOCs
  • Implemented validation processes that ensured data quality and compliance
Apr 2019 - Mar 2020
1 year
Cologne, Germany

Technical Consultant: Data Science & AI (Telecommunications and Media Industry)

Sopra Steria Group SE

  • Developed ML models for sentiment analysis and named-entity recognition to improve the efficiency of customer feedback analysis
  • Created ML prototypes for NLP and customer complaint analysis to enhance data processing workflows
  • Automated data processing tasks and integrated data cleansing into workflows, reducing manual processing time
Nov 2018 - Aug 2019
10 months
Cologne, Germany

Master's Thesis and Working Student: Machine Learning (Language Models for Sentiment Analysis)

DaMedic GmbH and Sopra Steria Group SE

  • Developed prototypes for ML problems in NLP using transfer learning on German and English Wikipedia datasets, achieving state-of-the-art results
  • Built language models for sentiment analysis and named-entity recognition using German Twitter datasets extracted with Selenium to improve sentiment analysis
  • Improved data processing efficiency by developing robust language models for sentiment analysis and named-entity recognition in German and English
Mar 2017 - Feb 2018
1 year
Linz, Austria

Data Analyst and BI Engineer

MIC-Customs Solutions

  • Design of BI dashboards and data models based on international customer requirements
  • Development of reporting and ETL processes aligned with project requirements
  • Creation of reusable data integration templates to speed up onboarding processes
  • Testing and implementing the company's software products, as well as quality assurance and documentation
Jul 2016 - Feb 2017
8 months
Cologne, Germany

University Researcher (alongside studies)

Technical University of Cologne

  • Transformation of some digital signal processing (DSP) functions from MATLAB to equivalent Python code
  • Use of methods such as probability models, signal processing, statistical learning, data visualization, and uncertainty modeling
Mar 2011 - Mar 2015
4 years 1 month
Mumbai, India

IT Consultant: Data Analytics & Engineering (Banking and Finance)

TATA Consultancy Services Ltd.

  • Provisioning various workflows for SSAS, SSIS and SSRS through SQL Server Enterprise Manager
  • Managing customer interactions and stakeholder requirements to improve data-driven decisions
  • Leading data architecture for banking clients, implementing ETL pipelines in SQL Server and DTS
  • Developing enterprise-wide reports and implementing SSIS/SSRS/SSAS solutions
  • Creating Visual Basic-based automation scripts for back-office processes
  • Conducting status meetings with clients and ensuring smooth operations

Skills

  • Operating Systems: Linux, Microsoft Windows.
  • Programming Languages: Python, Typescript, Javascript, Oracle Pl/sql, Mssql Stored Procedures, Visual Basic For Applications, Visual Studio, .Net Framework, Graphql, Matlab, Xml.
  • Databases: Data Lakehouse, Aws Dynamodb, Opensearch, Postgresql, Redshift, Pyspark, Databricks, Ms Sql Server, Oracle Database 11g.
  • Etl & Bi Tools: Ms Sql Server Integration Services (Ssis) As Etl, Aws Quicksight.
  • Dl Frameworks: Pytorch, Tensorflow.
  • Ml Libraries: Numpy, Scipy, Matplotlib, Scikit-learn, Pandas, Opencv, Spacy.
  • Cloud Services (Aws): S3, Lambda, Sagemaker, Rds, Step Functions, Glue, Data Pipelines, Athena, Eventbridge, Kinesis Data Streams, Bedrock.
  • Version Control Systems: Bitbucket, Gitlab, Github, Apache Svn, Tortoise Svn.
  • Cloud-native Iaas: Terraform.
  • Artifactory: Jfrog.
  • Ci/cd: Jenkins.
  • Streaming Tech: Spark, Apache Kafka, Iceberg.
  • Orchestration: Airflow.
  • Containerization: Kubernetes.
  • Agile Tools: Jira.

Languages

English
Advanced
German
Intermediate

Education

Oct 2015 - Sep 2019

Technische Hochschule Köln

Telecommunications Systems and Networks (M.Sc.) · Telecommunications Systems and Networks · Cologne, Germany · Grade: 2.1

Aug 2006 - May 2010

NiT Agarpara - West Bengal University of Technology

Electronics and Communication Engineering (B.Tech) · Electronics and Communication Engineering · Kolkata, India · Average grade: 1.9

Certifications & licenses

AWS Certified AI Practitioner

AWS Certified Advanced Networking - Specialty

AWS Certified Cloud Practitioner

AWS Certified Data Engineer - Associate

AWS Certified DevOps Engineer – Professional

AWS Certified Developer - Associate

AWS Certified Machine Learning Engineer - Associate

AWS Certified Machine Learning Specialty

AWS Certified Security - Specialty

AWS Certified Solution Architect Professional

AWS Certified SysOps Administrator - Associate

Databricks Certified Machine Learning Professional

FinOps Certified Practitioner

HashiCorp Certified: Terraform Associate

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