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Development & IT Consultation with Anton B.

5.0 · 20 reviews

Development & IT Consultation with Anton B.

5.0 · 20 reviews

This is a Q&A consultation — you ask questions, I share knowledge and experience. If you need an architectural proposal or hands-on deliverable, that's a separate project I also offer.

I have 11 years of experience building data platforms and shipping AI products for companies like Yandex, KaiOS, and Samsung NEXT. I'm the author of airflow-clickhouse-plugin (200K+ monthly downloads) and a 2025 AI Hackathon winner.

Book this if you have open questions on any of these topics:

1. DATA & CLOUD
➤ Data Engineering: tools and stack trade-offs (cloud, storage, orchestration, ETL, visualization), best engineering practices.
➤ Cloud Data Architecture: cloud providers comparison, cost optimisation approaches.

2. AI & LLM
➤ AI-Assisted Coding: trusted AI tools for developers, workflows that save time, maintaining code quality with AI.
➤ Applied AI & LLMs: AI agents and GenAI pipelines, SGR, RAG vs. fine-tuning vs. prompting.

After the call, I'll send a written summary within 1–2 business days.

30 min — 3–4 focused questions on one topic.
60 min — broader discussion or multiple topics.

Please share your questions in advance when booking — it helps me prepare.
Get personalized advice on:
AI & Machine Learning AI Integration Data Analysis & Reports Database Development Prompt Engineering cloud architecture ai agents llm engineering data engineering apache airflow

You’re covered with payment protection so you can cancel and get a full refund up to 24 hours before your consultation.

Anton B.Status: Offline

About Anton

Anton B.Status: Offline
Data Engineer | Airflow, ClickHouse, ETL | AWS, GCP | Python
5.0  (20 reviews)
Yerevan, Armenia - 4:29 am local time
If you need a senior engineer to audit, rescue, or build a production data platform, I can help.

I have 11 years of experience as a Data Engineer. 🏆 Top Rated Plus & Expert-Vetted on Upwork.

🚀 Looking for a fast way to start?
Check out the Project Catalog and Consultations sections below on this page! I offer fixed-price projects and consulting sessions with a clear scope that allow us to begin collaborating immediately without long onboarding.

🤝🏻 I can help with:
► Designing and auditing data architectures.
► Building ETL/ELT pipelines.
► Airflow development and troubleshooting.
► ClickHouse setup and performance tuning.
► Real-time event ingestion and analytics.
► Cloud cost optimization.
► Data Lake / Lakehouse setup.
► Analytics engineering and BI backends.

✅ My recently completed projects:
— FinOps Data Framework (Cloudthread): designed & built MVP in 3 months, scaling to 10K+ AWS accounts. Stack: Airflow (MWAA), Athena, ClickHouse, ECS, Terraform.
— Pipeline Modernization (MentorShow): replaced legacy pipelines with scalable stack ingesting 50+ adtech sources. Stack: Airflow, Tableau.
— DeFi Analytics Platform (Trontal Group): full Ethereum history (5 TB), sub-second query latency. Stack: Airflow, AWS, ClickHouse, Redash.
— Real-Time Event Tracking (Tproger): analytics for 10M+ MAU website. Stack: ClickHouse, DataLens.
— … and over 25 others!

👨‍🎓 My expertise includes:
► Airflow, ClickHouse, Terraform, Docker, Python, SQL, Kafka, Spark, Athena, Flink, Hadoop, Kubernetes.
► ☁️ AWS: EMR, S3, Athena, ECS, Glue, EC2, RDS, Redshift, Lambda, VPC, DynamoDB, Kinesis, MWAA, EKS.
► ☁️ GCP: Dataflow, Composer, BigQuery, Pub/Sub, Dataproc, Cloud Data Fusion.
► ☁️ Azure: Data Factory, HDInsight, Synapse Analytics.

I am the creator and maintainer of the Airflow & ClickHouse plugin (800K+ downloads per month). You can review the code at my GitHub account @bryzgaloff.

🤙 Let’s have a 30-minute call! Steps:
1. Send me a message to schedule a free 30-minute video call.
2. On a call, you describe your task in business terms.
3. Right at the call, I will tell you possible solutions and steps to implement.
4. In 3 business days, I will provide timeline and cost estimations.

What to expect

Schedule the consultation
Choose from the freelancer’s available days and times.
Get advice for your custom needs
Share details about your project and what you want to talk about. The freelancer will review and reach out if they have questions.
Join the Zoom meeting
1-on-1 meeting with the freelancer to discuss your needs and project.
Approve the work
The freelancer will finish up the documents you asked for and send them to you for approval:
    Before the consultation

    Here’s what Anton will need to know before you meet

    1. What topics would you like to discuss?
    2. (Optional) List the questions you'd like to discuss. We can fit 3–4 questions into 30 min call, and 5–7 questions into 60 min call. Be as specific as possible — it helps me prepare and makes our time more valuable.
    3. (Optional) Briefly describe your background: your role, current tech stack, and the context of your situation or project.
    4. Any additional context, links, or materials I should review before the call? (optional)

    Frequently asked questions

    Rating is 5.0 out of 5.
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    OS
    Oliver S.
    5.0
    May 6, 2024
    Excellent consult on ClickHouse! Anton provided a lot of value in a very short amount of time. Looking forward to working with him and his team again. Highly recommended if you look for somebody that understands dealing with large amounts of data in an efficient way
    EA
    Ezhan A.
    5.0
    Mar 28, 2024
    Excellent expertise and very friendly!!
    EA
    Ezhan A.
    5.0
    Mar 23, 2024
    Anton provided a concise and insightful consultation on cloud data engineering. With his extensive experience, he quickly grasped my project needs and offered valuable suggestions for a scalable data solutions. I appreciate his expertise and look forward to exploring future collaboration opportunities!
    EA
    Ezhan A.
    5.0
    Feb 29, 2024
    ET
    Edward T.
    5.0
    Mar 13, 2023
    Anton is extremely knowledgeable in the big data domain. I would highly recommend him for any sort of data needs to be honest, he is multi-talented in a large number of data technologies