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AI Solution Architect | Senior Big Data Engineer | Data Architect

Location
Poland
Rate, USD
$47 / hour
Work schedule
Full Time,
Language skills
English, Russian
Available for Hire
Yes
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About me

I am a multi-cloud architect specializing in AWS, GCP, and Azure with a focus on designing end-to-end data platforms and GenAI workflows. My expertise lies in building production-ready retrieval-augmented generation (RAG) applications and agentic workflows that drive innovation in AI. I have extensive experience executing complex enterprise cloud migrations, including transitioning from Teradata to BigQuery and Oracle to Snowflake, as well as modernizing legacy HDFS/Hive logic to serverless dataflow solutions.

My skills encompass the modern data stack, with deep knowledge of Databricks Lakehouse, Delta Live Tables (DLT), Spark, and change data capture (CDC) pipelines. I am proficient in using dbt for data transformations and Airflow for orchestration within data lake and S3 environments. I also leverage programming languages such as Java (Spring Boot), Golang, Rust, Scala, Python, and SQL to build scalable, high-throughput data processors and custom connectors, particularly for trading and Web3 domains.

I am a strong advocate for infrastructure as code (IaC) using Terraform and have built robust CI/CD pipelines to support continuous integration and deployment. My domain experience spans FinTech, retail, game publishing, trading, and Web3, where I have led initiatives to optimize data delivery latency, reduce total cost of ownership, and improve operational efficiency.

In my current role at Grid Dynamics, I lead AI and GenAI innovations, including developing high-performance text-to-speech engines and AI-assisted development tools that accelerate software development lifecycles. I have designed and implemented scalable data warehouses and ETL pipelines to process telemetry data from millions of mobile players, and I have driven cloud migration projects that unify batch and streaming workloads across multiple cloud providers.

Throughout my career, I have demonstrated leadership in architecting mission-critical payment processing systems, designing fault-tolerant integration layers, and developing event-driven architectures that enhance system scalability and performance. I am passionate about leveraging cutting-edge AI-native frameworks and cloud technologies to solve complex business problems and deliver measurable results.


Professional area



Education

1997 Master of Computer Science @ MAI

Software Viterbi Decoding in Satellite Communication. Excellent.


Experience

03/2018 โ€“ Current Senior Big Data, AI & Cloud Architect, Data Architect, Python/Rust/GoJava Engineer @ Grid Dynamics, Poland

Led AI and GenAI innovations including building high-performance TTS engines and AI-assisted development tools. Executed cloud migrations from Snowflake to Databricks and cross-cloud data fabric integrations. Designed data warehouse schemas and ETL pipelines for mobile gaming analytics. Modernized legacy HDFS/Hive ETL logic to serverless GCP Dataflow. Engineered scalable metric collection gateways and optimized Airflow orchestration.

01/2017 - 03/2018 Senior Java, Golang Developer @ Luxoft Poland

Developed high-performance distributed systems for trading desks. Designed AWS Lambda functions for low-latency trade processing. Architected scalable ingestion pipelines into BigQuery. Developed hybrid batch/streaming components using Spring Boot and Apache Storm.

02/2016 - 01/2017 Team lead / High-Load Architect @ Sberbank CIB

Led development of mission-critical payment processing systems handling 12% of national payment traffic. Designed HA and disaster recovery solutions. Architected in-memory processing engines using GridGain and Akka Cluster. Built fault-tolerant integration layers connecting Scala/Golang microservices with IBM Mainframes.

02/2015 - 02/2016 Architect/Team lead @ BPC Group

Led R&D for SmartVista card processing product. Designed scalable event-driven card processing engine with Kafka. Delivered custom payment gateway for Spanish bank. Developed Golang components for payment terminal interaction.

06/2013 โ€“ 02/2015 Big Data Architect, Senior Scala/Java developer @ Thinkoff bank

Led transition from monolithic to event-driven architecture. Designed reactive architecture using IBM MQ and Oracle Streams. Implemented distributed caching with Riak. Upgraded core technology stack to improve throughput and agility.

02/2013 - 06/2013 Data Media Platform Architect, R&D and Big Data Engineer @ Effective Media

Developed cloud data platform for massive DMP datasets using Spark and Impala on AWS and GCP. Built low-latency RTB components using Erlang and Golang.


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