Roman Krivtsov - Senior Data Engineer / Cloud Architect

Recommended expert

Frankfurt am Main, Germany

Experience

May 2025 - Oct 2025

6 months

Senior Data Engineer / Cloud Architect

DB Systel

Development of a central billing app for cloud costs at DB
AWS
Python
AWS CDK
RDS
Spark (PySpark)
Glue
Lambda
CI/CD (GitLab)
React/Typescript
data optimization
Scrum

May 2024 - May 2025

1 year 1 month

Senior Data Engineer / Cloud Architect

Roche

Automation of data processes for laboratory and compliance data
GenAI RAG architecture for an internal search engine
AWS
SQS
Lambda
Python
LLM
RAG
ETL
Snowflake
Kubernetes (EKS)
Weaviate
Streamlit
Dash
Pandas

Aug 2023 - May 2024

10 months

Data Architect

DB Netz / DataNet

Construction of data lakes and an analytical landscape for construction data
ETL pipeline with Glue/PySpark jobs orchestrated with Apache Airflow
Model layer with dbt
AWS
Spark (PySpark)
Glue
dbt
CI/CD (GitLab)
Python
Scala
AWS CDK
Oracle
Scrum
StepFunctions
Apache Airflow
Tableau
AWS QuickSight
Power BI
Redshift

Nov 2018 - Jul 2023

4 years 9 months

Senior Cloud Architect

Thinkport

Mentoring and leading the AWS team
Proofs of concepts and workshops for DACH companies (Bayer, Siemens, DB)
DB Systel Lift&Shift AWS Migration from on-prem (2019-04-01 to 2019-10-31): Python, Docker, Java, CloudFormation, Scrum
DB Traveler Information (2019-10-01 to 2020-10-31): Development of an internal mobile app; AWS, DevOps, CI/CD, Node.js, Typescript, Kubernetes, Scrum
DB Netz - DataNet building a data lake and an analytical landscape for construction data (2020-10-01 to 2024-07-31): AWS, Spark (PySpark), Glue, CI/CD (GitLab), Python, AWS CDK, Oracle, Scrum, StepFunctions, Apache Airflow, Tableau, AWS QuickSight, Power BI, Lambda

Feb 2016 - Nov 2018

2 years 10 months

Senior Software Engineer / Team Lead

Kairion / Cocomore

Development of a microservice architecture for ad management (Java, Spring Boot, Docker, Node.js)
CI/CD, TDD, Scrum
Migration from REST to GraphQL/Apollo and implementation of gRPC
Development of AWS-supported big data projects
Node.js
MongoDB
Typescript
Docker Swarm
Kubernetes
CI/CD (Jenkins)
Microservices
REST API
ClickHouse
DynamoDB
Lambda

Jun 2015 - Dec 2015

7 months

Software Engineer

Brand a Trend

Development of an NLP product
JavaScript
Python
C++
Scrum

Jun 2014 - Jul 2015

1 year 2 months

Software Engineer

Russian Ventures

Senior Node.js developer
Development of multiple applications
Node.js
RabbitMQ
PostgreSQL
REST API

May 2013 - Jun 2014

1 year 2 months

Software Engineer

Nexters

Game development backend for online games
Node.js
MySQL
Redis

Jan 2012 - Jan 2013

1 year 1 month

Software Engineer / Team Lead

GdeEtotDom

Senior web developer and team lead for a real estate platform
Management and mentoring of a team of 4 members
PHP
Python
HTML
CSS
SQL
Oracle
Linux
Thrift

Jan 2009 - Jan 2012

3 years 1 month

Senior Web Developer

Studio oneTOUCH

Senior web developer
PHP
HTML
CSS
SQL
MySQL
Oracle
Linux

Jan 2007 - Jan 2009

2 years 1 month

Web Developer

ALTWeb Group

Web developer
PHP
HTML
CSS
SQL

Summary

15 years of experience as a web developer, DevOps, data engineer, architect
Expertise: Cloud, Architecture, Python, Big Data/Analytics/DWH, DevOps, Microservices, JS, TS, ML
Architect of three enterprise data pipelines
Savings of over €2 million for customers

Skills

Cloud & Devops

Aws (Architecture, Big Data, Ci/cd, Terraform, Kubernetes, Serverless, Cloudformation)
Infrastructure And Cost Optimization, Iac, Networking

Big Data & Analytics

Spark, Pandas, Redshift, Glue, Snowflake

Programming

Backend: Python, Javascript/node.js, Java, C++
Frontend: React
Architecture: High-load Systems, Microservices, Api Design, Concurrent Apps, Data Lakes, Analytics Landscapes

Databases