fb-pixel

Location

Poland

Rate

$45  / per hour

Years of experience

10+

About

A professional with extensive experience in data engineering and software development, he has a proven track record of delivering complex data solutions. His expertise includes designing and optimizing custom Python ETL processes and improving internal performance by transitioning systems to Azure. He is adept at mapping client data to the ARDM format and implementing Docker-based APIs for seamless data access. He specializes in designing and optimizing ETL processes, SQL databases, and integrating client systems with Appriss Secure. His background includes transforming and importing data to meet specific client needs, as well as developing applications for processing and managing paper documents. His skills extend to SQL database design, administration, and optimization, as well as integrating various client systems. With significant experience in Azure, he has successfully designed and migrated internal processes to Azure, leveraging Azure Virtual Machines (VMs), Green plum on Azure, and other Azure services to enhance system performance, scalability, and reliability. His work includes setting up Azure-based environments, configuring Azure resources, and implementing best practices for cloud security and cost management. Additionally, he has contributed to server projects in the telecommunications industry, demonstrating his ability to adapt to diverse technical environments. He excels in designing robust data architectures, optimizing database performance, and developing tailored solutions to meet a wide range of business requirements.

Tech Stack

Azure, C#, ETL, Git, PostgreSQL, Python, TFS

Experience

  • Designed and migrated internal processes to Azure, leveraging Azure Virtual Machines (VMs) and Greenplum on Azure to boost scalability, reliability, and performance.
  • Analyzed and designed ETL processes for ingesting client data, ensuring seamless integration, processing, and transformation to meet business requirements.
  • Designed SQL databases, optimized SQL queries, and implemented indexing and performance tuning to enhance database efficiency and responsiveness.
  • Prepared applications for processing paper documents, incorporating advanced features such as scanning (TWAIN, ISIS), file importing, OCR using ABBYY Engine, and manual indexing of missing data to ensure complete and accurate document processing.
  • Exported processed documents according to client requirements, including creating multipage TIFF files, PDFs with text layers, XML files, and Excel files, meeting diverse client specifications.

Employment history

Senior Data Engineer, Appriss January 2019 - since

• Analyzed, designed, and prepared custom Python ETL processes for data ingestion, ensuring efficient data flow and integration.
• Improved the performance of internal Python solutions, enhancing overall system efficiency and reducing processing time.
• Mapped client data to the ARDM (Appriss Retail Data Model) format, facilitating accurate and standardized data reporting.
• Designed and migrated internal processes to Azure, leveraging Azure VMs and Greenplum on Azure to boost scalability and reliability.
• Prepared Docker environments with APIs for accessing data from Greenplum DB, streamlining data retrieval and usage.

Technical Consultant, Appriss January 2017 - December 2018

• Analyzed and designed ETL processes for ingesting client data, ensuring seamless data integration and processing.
• Designed SQL databases and optimized SQL queries, including index creation and SQL Server settings changes to improve performance.
• Prepared comprehensive ETL processes tailored to specific client needs.
• Integrated with client systems to ingest data using various methods, including queues, SFTP, and Webservices.
• Transformed and imported data to Appriss Secure, ensuring data accuracy and consistency.
• Configured Appriss Secure according to client requirements, providing customized data solutions.

Software developer .NET/SQL, OSG Records Management August 2010 - December 2016

• Prepared applications for processing paper documents, incorporating scanning (TWAIN, ISIS), file importing, OCR using ABBYY Engine, and manual indexing of missing data.
• Exported processed documents according to client requirements, including multipage TIFF files, PDFs with text layers, XML files, and Excel files.
• Analyzed and designed processes for managing documents received from clients, ensuring efficient and accurate data handling.
• Developed applications for importing data from various client sources, such as websites and FTP, facilitating seamless data integration.
• Integrated client systems for importing and exporting data, enhancing data interoperability and accessibility.
• Prepared applications and reports for internal company needs, integrating OSG’s internal systems for streamlined operations.
• Developed and optimized systems for processing scanned documents, improving data processing efficiency.
• Designed SQL databases, administered SQL Servers, and optimized SQL queries, including index creation and query corrections.

Software developer Java, University of Warsaw February 2010 - June 2011

• Contributed to a project for Samsung, preparing a server for testing IMS architecture for smartphones.
• Developed server-side solutions to support IMS architecture testing, ensuring robust and reliable performance.
• Collaborated with the project team to meet project goals and deliver high-quality server solutions.

Programming instructor, University of Warsaw October 2010 - February 2011

• Provided academic support and mentorship to students, helping them with coursework, projects, and career advice.
• Assessed student performance through assignments, projects, exams, and provide constructive feedback to help them improve.
• Kept up-to-date with the latest developments in programming and technology to ensure teaching content remains relevant and cutting-edge.
• Participated in research activities related to computer science and programming, contributing to the academic community’s knowledge base.

Education history

Polish-Japanese Academy of Information Technology October 2017 - June 2018 Big Data - Engineering of large data sets
University of Warsaw October 2007 - June 2012 Computer Science
University of Warsaw October 2006 - June 2007 Inter-faculty economic-mathematical studies
Download profile as PDF

We’ve helped 83 clients with IT recruitment and software development.

Read about a few of them below...

DevsData LLC Reviews 5.0 stars 37 reviews
Powered byClutch logo
Powered byClutch logo
See more testimonials
Similar blind CVs/resumes
Poland

ASP .Net Developer Resume

Senior .NET Developer skilled in AWS, ReactJS, Docker, and high-quality software development.
.NET-icon
.NET
Ansible
ASP.NET
AWS-icon
AWS
Azure DevOps
C#-icon
C#
Docker-icon
Docker
Git-icon
Git
HTML-icon
HTML
JavaScript-icon
JavaScript
Jira
NUnit
Postman-icon
Postman
Powershell
React.js
SQL-icon
SQL
SQL Server
Terraform
WebApi
Rate $16  /  per hour
Poland

Data Scientist Resume Sample

Senior Data Scientist with expertise in NLP, CV, and ML, skilled in Python and cloud technologies.
Python-icon
Python
AWS-icon
AWS
Azure-icon
Azure
ChatGPT
CUDA
Databricks
Git-icon
Git
Numpy-icon
Numpy
Pandas-icon
Pandas
Tensorflow-icon
Tensorflow
Rate $36  /  per hour
Poland

Databricks Developer Resume Sample

Passionate data professional with a robust background in ETL processes
Big Data-icon
Big Data
Apache Spark
Databricks
Hadoop
Python-icon
Python
SQL-icon
SQL
Rate $48  /  per hour
Poland

GCP Data Engineer Resume

Data Engineer with expertise in SQL, PL/SQL, GCP, and ETL, experienced in big data solutions.
Data Engineering
Bash-icon
Bash
CDAP
GCP
Jira
PL/SQL
Python-icon
Python
SQL-icon
SQL
Rate $20  /  per hour
Finland

Julia Developer Resume Sample

Dedicated and passionate PhD candidate in computer science
Julia
C-icon
C
C++-icon
C++
Chapel
MATLAB-icon
MATLAB
Python-icon
Python
Rate $30  /  per hour
Ukraine

Oracle DBA Resume

Experienced DevOps and Database Lead skilled in AWS, Oracle, PostgreSQL, and team management.
Oracle
Bash-icon
Bash
C++-icon
C++
Linux-icon
Linux
MySQL-icon
MySQL
PHP-icon
PHP
PL/SQL
PostgreSQL-icon
PostgreSQL
Python-icon
Python
Ruby on Rails-icon
Ruby on Rails
SQL Server
WebLogic
Rate $12  /  per hour
Poland

Desktop Support Engineer Resume

Experienced IT support and systems admin, skilled in troubleshooting, user management, and cybersecurity.
Support-icon
Support
Active Directory
Microsoft 365
VMware
Rate $8  /  per hour
Poland

Network Administrator Resume Sample

Seasoned professional with extensive experience in cloud computing
Network
AWS-icon
AWS
Docker-icon
Docker
Jenkins-icon
Jenkins
Kubernetes-icon
Kubernetes
Linux-icon
Linux
Vagrant
Rate $12  /  per hour
Poland

Salesforce CPQ Developer Resume

Salesforce and CPQ expert with 8+ years of experience, fluent in French and English, skilled in CRM.
Salesforce
CRM
Sales-icon
Sales
SOQL
Rate $16  /  per hour

I agree to and accept that DevsData LLC will provide better user experience by collecting, analyzing and cataloging information about Internet electronic addresses that I have connected with my devices and about the type of my devices (such as the type and version of software) as well as by making automatic decisions (not involving sensitive data). The agreement applies for the legally binding period, or until either the user or DevsData LLC withdraws from the agreement. Withdrawing from the agreement will result in removing the user's data. Please see our privacy policy.

We use cookies to provide the best experience for you. >More about cookie policyarrow

Book a call with our team

For software development projects, minimum engagement is $15,000.

whatsapp
Prefer email?
Quote mark

Best back-end engineers I've ever worked with...​

“I interviewed about a dozen different firms. DevsData LLC is truly exceptional – their backend developers are some of the best I’ve ever worked with. I’ve worked with a lot of very well-qualified developers, locally in San Francisco, and remotely, so that is not a compliment I offer lightly. I appreciate their depth of knowledge and their ability to get things done quickly. “

Avatar

Nicholas Johnson

CEO OF ORANGE CHARGER LLC;

MENTOR AT YCOMBINATOR

Success

Thank you


We'll get back to you within 1 business day.