fb-pixel

Location

Poland

Rate

$40  / per hour

Years of experience

12+

About

Accomplished Business Intelligence Developer with a decade of experience in leveraging data visualization and business intelligence tools to drive decision-making and business performance. Expert in advanced data exploration methodologies, adept at conducting complex data queries, data cleansing, and preparation. Extensive knowledge in finance, risk, analytics, ecommerce, and logistics sectors has been instrumental in providing tailored solutions that fit specific industry needs. Skilled in the creation of interactive dashboards, reports, and compelling visualizations in Tableau, consistently optimizing operations, identifying trends, and mitigating risks for organizations. A strategic professional skilled in translating complex data into clear, actionable business strategies.

Tech Stack

Business Intelligence, Git, Jira, Power BI, SQL, Tableau

Experience

  • Dashboard Development and Optimization: Created and optimized over 300 dashboards using Tableau for various functions such as Acquisition, Growth, HR, Data, and Product. This includes dashboard development for risk monitoring applications and ensuring they meet business needs and performance standards.
  • Data Extraction, Transformation, and Loading (ETL): Built multiple workflows for clients, including data extraction, transformations, and loads, using tools like Alteryx. Developed a strong foundation in data load and transformations to support seamless data integration and processing.
  • Database Management and SQL Optimization: Managed and optimized SQL queries for multiple databases, including Snowflake, Google Bigquery, Teradata, MS SQL Server, and Oracle. Created and maintained database views, ensuring efficient data retrieval and storage.
  • Tableau Administration: Acted as the administrator of Tableau online space, handling admin views, granting permissions, managing licenses, and groups. Administered Tableau Server, focusing on permissions, licenses, server usage, and metadata management.
  • Financial and Risk Analytics: Conducted financial results analytics, developed credit risk prediction models, and implemented risk engines using FICO Blaze Advisor. Engaged in market risk management, model implementation (Value At Risk), backtesting, and monitoring of models.
  • Stakeholder Communication and Requirement Analysis: Established requirements for changes by communicating with stakeholders and ensuring that the developed solutions met business needs. Conducted analysis of data sources to align with project goals and stakeholder expectations.
  • Teaching and Mentoring: As a trainer at the Software Development Academy, taught students to become Junior Java Developers, focusing on practical knowledge in Java, Spring, MySQL, and frontend technologies. Led projects designed to help students find jobs by providing real-world experience and mentorship.

Employment history

Senior Business Intelligence Developer, Tidio January 2021 - Present

● Acted as administrator of tableau online space – admin views, granting permissions, licenses &
groups
● Created multiple dashboards for functions such as Acquisition, Growth, HR, Data, Product
● Built multiple queries & views for end users
● SQL queries tuning and optimization
Technologies used:
● Tableau, Google Stack, Snowflake, MS Business Intelligence Suite – powerQuery, powerPivot,
JIRA

Senior Business Intelligence Developer, Pitney Bowes March 2019 - January 2021

● Dashboards development in tableau – building risk monitoring application
● Tableau Server administration – permissions, licenses, server usage/ metadata
● Database views creation
● SQL queries tuning and optimization
● ETL solutions delivery using Alteryx
● Testing of the Tableau solutions
● Analysis of data sources
● Establishing requirements for the changes
● Communication with stakeholders
Technologies used:
● Tableau, Alteryx, MS SQL Server, Snowflake, MS Business Intelligence Suite – powerQuery,
powerPivot, JIRA

Senior Decision Systems Engineer, Wonga October 2015 - February 2019

● Data modeling and data visualisation in Tableau
● Financial results analytics and reports delivery
● Credit Risk analytics and prediction models creation
● Implementation of risk engine – coding business rules – FICO Blaze Advisor
● Unit testing and regression testing
● Business process modelling, decisions modelling notation
● Fraud analysis and modelling
Technologies used:
● Tableau, Alteryx, MS PowerBI, R-package, DMN, BPMN, Python, MS Business Intelligence
Suite – powerQuery, powerPivot, Blaze, SRL, FICO, SVN, JIRA, Salesforce, Visual Studio

Risk Manager, Millennium Mutual Fund June 2014 - September 2015

● Market risk management, model implementation – Value At Risk
● Backtesting and monitoring of models
● Models validation
● Statistics and econometrics model implementation
● Data management and quality assurance – noSQL, MS SQL
● Database maintenance
● Data analysis using R-Package – statistics interference
● Forecasting methods implementation – Excel + R
Technologies used:
● VBA, MS SQL, MS Access, R-package, MS BI Suite

Quantitative and Risk Analyst, Pioneer Pekao Investment Management May 2012 - May 2014

● Mutual funds data visualisation
● Sales Reports creation
● Construction of a credit risk model in VBA
● Statistics and econometrics models implementation – GRETL, SAS
● Construction of models following the requirements of business users
● Building financial algorithms for investment managers using capital markets theory – Excel
+ VBA + SQL
● Providing solutions to business users’ modelling problems
● Correction and filling missing data in data warehouse
● Maintenance of local data warehouse – Access
Technologies used:
● LaTEX, MS SQL, MS Access, MS BI Suite – VBA

Education history

Warsaw School of Economics September 2007 - January 2012 Master's Degree
Faculty: Quantitative Methods and Information Systems
Master thesis: Quantitative Methods in Investment Portfolio Management
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

Avaloq Developer Resume Sample

Avaloq Consultant with a strong background in SQL, PL/SQL, and Linux
Avaloq Script
Git-icon
Git
Jira
Linux-icon
Linux
Scrum-icon
Scrum
SQL-icon
SQL
Rate $15  /  per hour
Poland

Senior Business Analyst Resume

An experienced Technical Team Lead, Senior Oracle Consultant, and Solution Architect.
SQL-icon
SQL
Bash-icon
Bash
ETL
Java-icon
Java
T-SQL
Rate $20  /  per hour
Poland

Programmer Resume Sample

Dedicated Programmer with extensive experience in software development.
Pascal
.NET-icon
.NET
C#-icon
C#
C++-icon
C++
ChatGPT
Git-icon
Git
PostgreSQL-icon
PostgreSQL
Rate $12  /  per hour
UK

Quantitative Trader Resume

Quant and Trader with a proven track record in the investment banking industry.
Python-icon
Python
C++-icon
C++
PostgreSQL-icon
PostgreSQL
R-icon
R
SQL-icon
SQL
Rate $150  /  per hour
UK

IT Helpdesk Resume Sample

An IT Helpdesk Analyst with a solid foundation in providing technical support.
HTML-icon
HTML
Bootstrap-icon
Bootstrap
CSS-icon
CSS
JavaScript-icon
JavaScript
Jira
Microsoft 365
Microsoft Teams
Rate $12  /  per hour
Poland

Microsoft PowerBI Developer Consultant Resume Sample

Certified Data Analyst with a Master's degree.
Python-icon
Python
Bash-icon
Bash
ETL
Git-icon
Git
Jira
Jupyter
Linux-icon
Linux
Matplotlib
Numpy-icon
Numpy
Pandas-icon
Pandas
Power BI
Rate $12  /  per hour
Poland

ETL Tester Resume Sample

Experienced Senior ETL Developer skilled in BI, Data Vault, ETL processes, data visualization, and project coordination.
Informatica
Aginity
ETL
SAP
SQL Server
Rate $18  /  per hour
Poland

Linux System Administrator Resume Sample

Senior Linux/DevOps Infrastructure Engineer with over 20 years of experience
Linux administrator
Linux-icon
Linux
Solaris
SunOS 4
UNIX
Rate $45  /  per hour
Poland

Microsoft Dynamics Developer Resume Sample

A highly skilled Cloud BI Engineer with extensive experience.
Java-icon
Java
Azure-icon
Azure
Bash-icon
Bash
C#-icon
C#
DevOps-icon
DevOps
Git-icon
Git
Linux-icon
Linux
Powershell
Python-icon
Python
Spark
SQL-icon
SQL
Rate $15  /  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.