Candidates 7
$12000 / mo
≈ $144000 / year net
Tech Lead / Architect / CTO
Ukraine · Odesa · More than 10 years of experience · Upper-Intermediate ·Published 24 April · In passive search
Ukraine · Odesa · More than 10 years of experience · Upper-Intermediate ·Published 24 April · In passive search
In addition to my professional pursuits, I am also a proud father of a brilliant small kid. My role as a parent has strengthened my ability to balance responsibilities, adapt to challenges, and maintain a positive work-life integration.
Throughout my career, I have successfully undertaken and delivered high-load projects, starting from the initial gathering of specifications to the final implementation and deployment stages. Additionally, I have a proven track record of mentoring team members, conducting thorough work reviews, evaluating technologies and solutions, as well as collaborating with customers to integrate, design, and troubleshoot systems.
Over the past decade, I have dedicated myself to providing solutions for high-load systems. This experience has granted me a deep understanding of designing architectures capable of handling concurrent requests, facilitating reconciliation, and recovering from catastrophic events.
Through my leadership and efforts, I successfully transformed the team's performance, effectively removing any negative perception associated with it.
In addition, I implemented cost-efficient strategies that resulted in annual savings of approximately $200-220K. Today, this team stands as one of the most promising and high-performing teams within the company.
I am passionate about working with people and believe in the power of collaboration. While I enjoy writing code and solving technical problems, I find great fulfillment in building strong relationships with my colleagues, understanding their perspectives, and fostering a positive team culture.
Moreover, I want to join a company that genuinely cares about its employees. I believe that a supportive and inclusive work environment is crucial for individual growth and overall company success. I strive to contribute my best efforts to an organization that shares these values, as I see my own success intertwined with the success of the company.
In summary, I am eager to continue working in a product-focused setting, where I can combine my technical skills with my passion for collaborating with people. I am excited to contribute to a company that prioritizes the well-being and development of its employees, as I believe this leads to mutual success and fulfillment."
$3500 / mo
≈ $42000 / year net
Email/Web Security Engineer
Ukraine · Odesa · More than 10 years of experience · Intermediate ·Published 19 April
Ukraine · Odesa · More than 10 years of experience · Intermediate ·Published 19 April
Jule 2011 – December 2023:
Lohika (now part of Campgenimi), www[.]lohika[.]com
Python developement, Perl regex, Lua, antispam/antimalware rule writing,
e-mail Security System development/Support Cisco Business Unit: talosintelligence[.]com
Middle Software Engineer
September 2009 – June 2011:
Self-employment
Python/YUI/JS/HTML developement,
Marketing email systems
Middle Software Engineer
Jule 2005 – September 2009:
Lohika Inc, USA based outsourcing company, www[.]lohika[.]com
Python/YUI/JS/HTML developement, e-mail Security System development, USA customer: Ironport[.]com, Cisco Business Unit
CTO, system administrator
April 2005 - February 2006:
Modern Solution Ltd, UK
Dedicated Hosting Services (350 servers) managing and administration
Abuse Management
Freelance web developer
April 2002 - April 2005:
UNIX administration, IT-consulting
Web developer
December 2000 - September 2001:
LikeWhoa LLC, USA
Developed Free Hosting Software and
Online Image Optimization Tools using PHP/MySQL/ImageMagick
Senior web developer
April 2000 - April 2002:
Kemford LLC USA, OOO Kemford Ukraine www[.]kemford[.]com
Task Distribution, Project planning,
Billing systems, WebShop Integration with Merchant Gateways like
Authorize/Linkpoint and other payment systems. Database design. Development process managing. Developed Accounting/Billing part of a ready-to-use website templates system.
Integrated Authorize/Paypal/Worldpay payments gateways using native API.
Developed a lot of small scripts like mail lists/forums/shopping
System/Network administrator
September 1999 - February 2001:
TRK GLAS, Ukraine, Odessa
Unix, Windows administration
System/Network administrator, Web developer
September 1998 - April 2001:
TG Fortuna, Ukraine, Odessa
OS/2, Unix, Windows administration
$7000 / mo
≈ $84000 / year net
data architect, expert/principal data developer/engineer
Ukraine · Odesa · More than 10 years of experience · Upper-Intermediate ·Published 12 April
Ukraine · Odesa · More than 10 years of experience · Upper-Intermediate ·Published 12 April
I have worked as a dedicated engineer as well as a team member.
I participated in many different projects (creating from scratch, developing actual, supporting legacy, decomissioning outdated).
My typical tasks are:
- data architecting;
- data modeling, designing and maintaining the logical and physical data models;
- establishing and enforcing data governance policies and procedures;
- data masking to protect sensitive data;
- strategy for databases deployments and versioning;
- documenting;
- getting familiar with new technologies and tools to get the best result;
- evaluating tools, platforms, and technologies to determine their suitability and potential benefits for the product architecture;
- creating PoC;
- implementing business logic;
- initial data migrations;
- reverse engineering existing solutions;
- presenting the concepts and outcomes to stakeholders;
- communicating with customers and stakeholders
- collaborating with BAs working on entities and relationships;
- supporting developers with database schema logic and complicated SQL scripts;
- collaborating with DevOps on setting up CI/CD pipelines for multiple environments;
- counseling QAs about working with complicated SQL scripts for testing existing data and generating test ones;
- mentoring people about working with data;
- managing people
- pre-sale activities.
2022: PostgreSQL, Azure Database for PostgreSQL.
2021: AWS EMR Hive, Presto.
2020: Azure database for MySQL, Azure Data Factory, Azure CosmosDb, Azure Cognitive Search, Databricks, Python.
2019: Azure Functions, Azure Blobs, Azure Key Vault, Azure App Insight, Azure Event Hubs, Azure Stream Analytics, Azure Data Lake, Azure Logic Apps; Power BI; Spark, Scala basics, AWS basics; Workato, Node-Red, Salesforce, MongoDB, Docker.
2017: Azure SQL Server, Azure Blobs, Azure Functions.
2016: XML, XSLT.
2014: MS SQL Server, Vertica, SSIS, SSRS.
2012: Teradata, Informatica.
2010: Silverlight, Web Services.
2008: ASP.NET.
2007: VBA.
2005: .NET, C#, Yaffil, PHP.
2003: GIS.
2000: Oracle, Delphi.
$4800 / mo
≈ $57600 / year net
BI Developer
Ukraine · Kyiv · 9 years of experience · Upper-Intermediate ·Published 8 April · In passive search
Ukraine · Kyiv · 9 years of experience · Upper-Intermediate ·Published 8 April · In passive search
Over 9 years of comprehensive expertise in Analysis, Design, Development, Testing, and Implementation of Business Intelligence applications, specializing in QlikView/QlikSense. Proven track record of success in creating dynamic dashboards and optimizing applications for enhanced performance.
Key Skills:
Business Intelligence:
Proficient in designing and developing QlikView and QlikSense dashboards.
Extracted and transformed data from diverse sources including SQL Server, SAP, Flat Files, Excel files, and XML Files.
Performance Optimization:
Demonstrated experience in optimizing QlikView and QlikSense applications to achieve optimal performance.
Issue Resolution:
Adept at troubleshooting and resolving issues in QlikView and QlikSense dashboards.
Reporting:
Extensive experience in creating Pixel Perfect reports, Excel reports, Word documents, and PowerPoint reports using NPrinting Designer.
Automated report generation jobs in NPrinting Server.
Technical Proficiency:
Strong background in QlikView Scripting, Set analysis, and Section Access.
Agile Methodology:
Worked in Agile methodology environments and actively participated in scrum meetings.
Documentation and Training:
Created detailed design, development, testing, and migration documents.
Conducted Proof of Concepts (POC) to validate solutions.
User Training:
Successfully trained end-users in the development and utilization of QlikView and QlikSense applications.
Certifications:
Certified QlikSense and Power BI developer
$4500 / mo
≈ $54000 / year net
Senior Perl/Python Developer
Ukraine · Mykolaiv · More than 10 years of experience · Advanced/Fluent ·Published 2 April
Ukraine · Mykolaiv · More than 10 years of experience · Advanced/Fluent ·Published 2 April
Perl, Python, C++, JAVA, RHEL.
Perl Analyst Programmer. Managing and developing complicated EBPP system. Full cycle from setting up bare metal servers environment (php, mysql, firebird, sqllite, perl) to develop and deploy perl based applications that works in workflow. Applications to create PDF, XLSX, EDI various format. Emailing and Print.
Side Projects:
I have personal project that manages customer loyalty program (craft beer), perl based.
Was involved in administering perl based sites (Template::Toolkit, non framework based perl oop).
Have interesting JS based internal project in beta stage for visualizing sun movement during the day with graphics that shows real Solar System energy developed. Web application.
$4000 / mo
≈ $48000 / year net
Data Platform Software Engineer
Ukraine · Odesa · 4 years of experience · Advanced/Fluent ·Published 25 March · In passive search
Ukraine · Odesa · 4 years of experience · Advanced/Fluent ·Published 25 March · In passive search
MySQL, Apache Hadoop
HBase -> Oracle DBaaS
Next step - Oracle Cloud
ETL with Spring Batch (Java), Apache MapReduce (Java) and Apache Spark (Java and Python)
Dropwizard-based REST-services (Java)
Exp with DevOps (Docker) and MLOps (architectural) approaches.
Exp with using RFC (for big) and ADR (for small) for future architecture innovations.
$3000 / mo
≈ $36000 / year net
DATA ENGINEER / BI ENGINEER
Ukraine · Odesa · 7 years of experience · Intermediate ·Published 13 March
Ukraine · Odesa · 7 years of experience · Intermediate ·Published 13 March
Digitally Inspired Ltd (Intellias) (Aug, 2018 - Jan, 2024 | 5 years 2 months)
Project description
The client was an American company specializing in the business aviation sector. The client hired a skilled engineering team to implement software that enabled full control over the company's operations. The software included features for monitoring flights, managing clients and contracts, and streamlining operational processes. The project scope involved the creation of frontend and backend parts of software, as well as a database, the creation data warehouse, and fine-tuning all the processes for its full operation.
Responsibilities & Achievements
• Built a comprehensive ETL cycle for data transfer
• Developed all data and business intelligence (BI) processes
• Visualized and presented findings to key stakeholders
• Built and customized BI reports
• Built and customized Ad-hoc reports
• Developed and maintained dashboards
• Data analysis to find dependencies and improve the quality of visualized data
• Created and maintained documentation regarding data models, measures, and infrastructure as they are developed
The technology stack used
SQL, Oracle Analytics Server (OAS), Tableau, MS Excel, Oracle, Snowflake, PostgreSQL
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Data Engineer / Data Analyst
VeraData Decision Labs (Jun, 2015 - Jun, 2018 | 2 years 11 months)
Project description
Our team worked on a project for charitable foundations based in the US, with a focus on data management and predictive analytics. Our responsibilities included building and implementing processes for ETL and data warehousing, as well as collecting data from various sources. Development of dashboards and reports based on modeling results.
Responsibilities & Achievements
• Enhanced the predictive model through the implementation of the SVM model and improved its accuracy and performance
• Implemented all data-related processes
• Built predictive models for clients
• Processed data from multiple sources
• Created reports and dashboards for clients
The technology stack used
Alteryx, Tableau, MS Excel, SQL, Python (numpy, pandas, scikit-learn, matplotlib), Machine Learning Algorithms
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Ph.D, Assistant professor
Odessa National Polytechnic University (Sep, 2009 - today)
Disciplines: Computer visualization. Data Engineering. Visualization and modeling of multidimensiona
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