Roman Krivtsov
Senior Data Engineer / Cloud Architect
Experience
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
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
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
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
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
Software Engineer
Brand a Trend
- Development of an NLP product
- JavaScript
- Python
- C++
- Scrum
Software Engineer
Russian Ventures
Senior Node.js developer
Development of multiple applications
Node.js
RabbitMQ
PostgreSQL
REST API
Software Engineer
Nexters
Game development backend for online games
Node.js
MySQL
Redis
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
Senior Web Developer
Studio oneTOUCH
Senior web developer
PHP
HTML
CSS
SQL
MySQL
Oracle
Linux
Web Developer
ALTWeb Group
Web developer
PHP
HTML
CSS
SQL
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Information Technology (12.5 years), Professional Services (4.5 years), Advertising (3 years), Healthcare (1 year), Pharmaceutical (1 year), and Transportation (1 year).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (18.5 years), Product Development (6 years), Business Intelligence (5.5 years), Quality Assurance (1 year), and Research and Development (1 year).
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
- Postgresql, Mongodb, Mysql, Dynamodb, Elk
Devops & Automation
- Docker, Kubernetes, Gitlab/jenkins Pipelines, Helm, Ansible, Bash
Agile & Team Leadership
- Scrum, Retrospectives, Planning, Estimations, Mentoring, Documentation, Stakeholder Negotiation
Languages
Education
State University of Management
Business Informatics · Moscow, Russian Federation
Certifications & licenses
AWS Solutions Architect Associate
AWS Solutions Architect Professional
Certified Kubernetes Application Developer
Databricks Certified Associate Developer
Linux LPIC Certificate
Terraform Associate
Profile
Frequently asked questions
Do you have questions? Here you can find further information.
Where is Roman based?
What languages does Roman speak?
How many years of experience does Roman have?
What roles would Roman be best suited for?
What is Roman's latest experience?
What companies has Roman worked for in recent years?
Which industries is Roman most experienced in?
Which business areas is Roman most experienced in?
Which industries has Roman worked in recently?
Which business areas has Roman worked in recently?
What is Roman's education?
Does Roman have any certificates?
What is the availability of Roman?
What is the rate of Roman?
How to hire Roman?
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
Similar Freelancers
Discover other experts with similar qualifications and experience
Experts recently working on similar projects
Freelancers with hands-on experience in comparable project as a Senior Data Engineer / Cloud Architect
Nearby freelancers
Professionals working in or nearby Frankfurt am Main, Germany
