Volodymyr Kukhar
Verified Expert in Engineering
Data Engineer and Developer
Flekkefjord, Norway
Toptal member since February 12, 2024
Volodymyr is a senior data engineer with almost a decade of engineering experience. He is proficient in Scala and has extensive experience in building fast and efficient data solutions for various clients, including Rakuten. His mathematical background gives his clients the opportunity to collaborate seamlessly with data scientists, data analysts, and the data engineering team. Volodymyr is a versatile professional excited for his next challenge!
Portfolio
Experience
Availability
Preferred Environment
MacOS, Vim Text Editor, Bash, IntelliJ IDEA
The most amazing...
...thing I've built with a team is a data solution for one of my clients, allowing the client to become an industry leader.
Work Experience
Senior Data Engineer
WalkMe
- Took part in developing an API enabling cloud-agnostic access to data and infrastructure, including compatibility with Google Cloud Platform (GCP) and AWS.
- Introduced and implemented an algorithmic solution that avoided cloud storage limitations and efficiently stored files of almost unlimited size.
- Migrated data infrastructure from AWS cloud to GCP.
- Developed an SQL generation tool to improve the performance of analytical queries.
Data Engineer
N-iX
- Architected an API solution for smart and flexible purpose-based data infrastructure and a pipeline set up in Kubernetes.
- Developed a fast classification solution with an improved prediction quality for offline zipcodes from geodata detection.
- Migrated complicated machine learning algorithms from Python to Scala.
Software Engineer
Teamvoy
- Developed an Internet of Things (IoT) solution for offline voice command detection using the CMUSphinx library.
- Implemented an audio transfer between an STM32-based audio recording device and Android application using Bluetooth Low Energy technology.
- Built multiple Android applications for fintech, eCommerce, IoT, and other companies.
Algorithm Developer
Self-employed
- Developed an algorithm for geometry reconstruction and 3D-scanned mesh optimization.
- Built an algorithm for 3D mesh volume calculation for real-time oil mass measurement in tanker ships.
- Produced an algorithm for plane detection in 3D scans.
- Implemented an optimized Kalman filtering algorithm for unmanned aerial vehicle (UAV) stabilization.
Experience
Digital Adoption Platform
http://walkme.comThe Internet of Things (IoT) Data Processing and Analytics Platform
Advertisement Effectiveness Measurement Platform
Political Intelligence Online Platform
I was part of the team maintaining Apache Solr and developing a new document storage system. I was also liable for creating a new service for automatic document generation based on the Apache POI library.
Education
Master's Degree in Mechanics and Mathematics
Lviv National University - Lviv, Ukraine
Skills
Libraries/APIs
Spark ML, Spark Streaming, Apache POI
Tools
Vim Text Editor, IntelliJ IDEA, Apache Airflow, Kafka Streams, Rhinoceros 3D, Android NDK, Apache Solr, BigQuery
Languages
Scala, Java, Bash, Python, C++, C#, Embedded C
Frameworks
Spark, Akka, Presto, Android SDK, Spring Boot
Platforms
Apache Kafka, MacOS, Google Cloud Platform (GCP), AWS Lambda, Databricks, Kubernetes, NVIDIA CUDA
Storage
Druid.io, PostgreSQL
Other
Linear Algebra, Differential Equations, Mathematical Analysis, Probability Theory, Materials Science, Mechanics, Robotics, SAP Cross-Application Time Sheet (CATS), AWS Cloud Architecture, Machine Learning, Apache Cassandra, Kafka DSL, Apache Superset, Algorithms, Computational Geometry, Mesh Optimization, Embedded Java
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