Oleksii Markov work email
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Oleksii Markov personal email
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Software Engineer with 13+ years of industry experience with backend web development, databases, geodata, and data engineering.• Performed different phases of software development life-cycle: from Planning and Design in the role of Solutions Architect to the Implementation/Testing, Deployment, and Maintenance in the roles of Software Developer and Tech Lead.• Worked successfully in the office and remotely, both as a self-dependent developer in small teams and as a part of multicultural teams spread across multiple time zones.• Good at solving challenging tasks, performance optimization, and refactoring.• Advocate for the usage of good engineering practices throughout the development process.Recent business domains: Web Services, FinTech, Automotive, Data ETL, Machine Learning.Core expertise: Python, SQL, AWS. But also occasionally used: Kotlin, Java, Groovy, JavaScript, HTML, CSS, Lua.Frameworks / Libraries: Flask, FastAPI, Tornado, Celery, SQLAlchemy, Alembic, pydantic, Apache Spark.Testing: TDD, BDD, pytest, Tox, Polyfactory, Mockito, VCRpy.DB: Postgres/PostGIS, Redis, DynamoDB, MongoDB, HBase, Hive, Impala.Platforms / Infrastructure: Linux, AWS, Docker, Kubernetes, Serverless.Tools: Git, Jira, GitHub, GitLab CI, Ansible, Jenkins (with Pipeline).
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Lead Software EngineerEpam Systems Jan 2022 - PresentNewtown, Pa, UsProject: FinTech- Implemented backend part of a serverless Web Application for provisioning resources and controlling data access of ML environments.- Performed integration of Web Application with Auth service.- Performed re-design to migrate from Mono-Lambda API architecture to Single Function API.- Developed HTTP mini-framework which enabled easy transition to Single Function API architecture.- Led the development activities to advance from MVP state to the Production release.- Improved performance of several heavily used REST endpoints in 2-5 times.- Managed the migration of application data storage to a single-table design in DynamoDB.Technologies: Python, pydantic, boto3; AWS: CloudFormation, S3, API Gateway, Lambda, DynamoDB, IAM, SageMaker.Project: Web Application to manage Bill of Materials- Backend development of REST services for Web Application, equipment demand calculations and data synchronization between systems.- Tuning and optimization of performance of the existing services.- Creating pipeline of jobs to perform the intensive calculation tasks.- Leading the engineering team: managing requirements, communication between teams, providing technical guidance and mentorship, managing technical debt.- Conducting technical interviews.Technologies: Python, SQL, GraphQL, Flask, Flask-RESTX, Celery, SQLAlchemy, Alembic, pydantic, PostgreSQL, Redis, Kafka, Docker, Kubernetes, Splunk. -
Lead Software EngineerEpam Systems Dec 2021 - Jan 2022Newtown, Pa, Us
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Solutions ArchitectCloudmade Sep 2018 - Dec 2021London, London, Gb- Participated in presales, helped to determine project scope.- Performed architecture study and presented it to customers.- Line Management activities and mentoring of python developers.- Led the development of several internal backend services (Docker, Python, AWS).- Led the development of framework for machine learning (Python, HBase, Docker).- Developed Alexa-skills as a part of PoC project.Technologies: Python, SQL, Bash, Flask, FastAPI, aiohttp, pydantic, Kotlin, Postgres/PostGIS, Redis, HBase, Linux, AWS, Docker. -
Senior Software EngineerCloudmade Jan 2017 - Aug 2018London, London, Gb- Developing Backend services (Docker, Python, AWS).- Developing Big Data processing applications (Hadoop stack, Spark).- Line Management activities and mentoring of python developers.Technologies: Python, SQL, Bash, Tornado, ZeroMQ, Apache Spark, Postgres/PostGIS, Redis, HBase, Impala, Linux, AWS, Docker, Kubernetes.
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Python EngineerStar Jul 2013 - Dec 201612 Global Locations, Worldwide, Oo- Developed backend application for integration, processing, storing and serving geographical data to mobile and navigation devices on demand.- Developed data processing workflows and scripts for Hadoop and Spark in Python for various analytic tasks in automotive.- Participated in pre-sales process as a part of the engineering teamTechnologies: Python, SQL, Bash, Tornado, Celery, ZeroMQ, SQLAlchemy, Apache Spark, MongoDB, Redis, HBase, Hive, Impala, Linux, AWS, Docker. -
Gis Leading EngineerIt-Transit Dec 2010 - Jun 2013Kyiv City, Ua- Involved into pre-sales process for GIS projects.- Designed software architecture and geo-databases in GIS projects.- Developed data transformation workflows: spatial-ETL of vector and raster data.- Provided internal company trainings of using GIS software.- Performed GIS part of onsite deployment activities at customer’s location.Technologies: ArcGIS Desktop/Server, ArcSDE, Python, C#, FME Desktop/Server, GDAL, Oracle -
Gis EngineerIt-Transit Mar 2010 - Dec 2010Kyiv City, Ua- Maintenance of company internal ArcSDE and ArcGIS servers.- Developed spatial data transformation workflows and defined a scope of manual data pre-processing for GIS Technicians.- Developed extension for ArcGIS Desktop in C# for managing data of Underground Gas Storage facility.Technologies: ArcGIS Desktop/Server, ArcSDE, Python, C#, FME Desktop, Oracle, MicroStation
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Gis EngineerKievgeoinformatica Jan 2009 - Mar 2010- Performed GIS analysis and prepared reports.- Designed geo-databases for several mapping projects.- Developed transformation workflows for CAD to GIS data conversion.- Managed Quality Control activities in mapping projects.- Developed tools for automation of Quality Control tasks in mapping projects.- Defined the process for creating a photorealistic 3D city model.Technologies: ArcGIS Desktop, MapInfo, FME Desktop, 3D/Spatial Analyst, Vertical Mapper, AutoCAD, Google SketchUp, PostgreSQL, Python, MapBasic, HTML, JavaScript
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Gis EngineerKievgeoinformatica Jul 2006 - Jul 2007- Developed transformation workflows for CAD to GIS data conversion.- Managed Quality Control activities in mapping projects.- Developed tools for automation of Quality Control tasks in mapping projects.Technologies: ArcGIS Desktop, MapInfo, AutoCAD, Python, MapBasic, C++ Builder, HTML, JavaScript
Oleksii Markov Skills
Oleksii Markov Education Details
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Kyiv National University Of Construction And ArchitectureLand Management
Frequently Asked Questions about Oleksii Markov
What company does Oleksii Markov work for?
Oleksii Markov works for Epam Systems
What is Oleksii Markov's role at the current company?
Oleksii Markov's current role is Lead Software Engineer at EPAM.
What is Oleksii Markov's email address?
Oleksii Markov's email address is om****@****ade.com
What schools did Oleksii Markov attend?
Oleksii Markov attended Kyiv National University Of Construction And Architecture.
What are some of Oleksii Markov's interests?
Oleksii Markov has interest in Programming, Traveling, Bicycle, New Technologies, Hiking, Self Education, Open Source, Snowboard.
What skills is Oleksii Markov known for?
Oleksii Markov has skills like Python, Gis, Arcgis, Arcsde, Sql, Mapinfo, Databases, Geoprocessing, Spatial Analysis, Postgresql, Esri, Mongodb.
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