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Location

Poland

Rate

$30  / per hour

Years of experience

7+

About

As a skilled data professional with over 7 years of experience in analytics and reporting, I have developed a strong expertise in ETL processes, data warehousing, and data visualization. My career has been marked by a detail-oriented approach and a keen ability to learn and apply new technologies to achieve business objectives. I have a proven track record of automating complex finance processes using a range of tools, including VBA, SQL, Power BI, Tableau, Python, and Snowflake, which has significantly improved efficiency and saved time in reporting tasks. My professional experience includes leading data analytics initiatives, building and maintaining dashboards, and acting as a liaison between BI and finance teams. I am highly proficient in technologies such as SSIS, T-SQL, Amazon Redshift, and Power Query. With a solid academic background in Economics and Finance, complemented by strong computing and language skills, I am well-equipped to drive data-driven decision-making in dynamic business environments.

Tech Stack

Data Analysis, Data Science, Microsoft Excel, MS SQL, Power BI, Snowflake, SQL, Ssis, T-SQL, Tableau

Experience

  • Automated complex finance processes using technologies like VBA, SQL, Power BI, and Python, leading to significant time savings and increased efficiency.
  • Developed and maintained ETL processes through Microsoft SSIS and SQL, ensuring smooth data integration and processing.
  • Built and updated complex dashboards in Tableau, enhancing data visualization and reporting capabilities.
  • Acted as a liaison between BI and finance teams, facilitating effective communication and collaboration.
  • Designed and delivered reporting and analytics solutions using Tableau and Amazon Redshift SQL, improving decision-making processes.
  • Provided production support for existing reporting solutions, troubleshooting issues and ensuring regular processing needs were met.
  • Managed and supported databases, including tasks like granting permission levels, performing backups, and scheduling SQL Agent Jobs.
  • Assessed customer creditworthiness through financial analysis, including interpreting financial statements and conducting ratio and cash flow analysis.

Employment history

Senior Data Analyst, PayU August 2020 - Present

-Responsible for the automation of Finance processes using various technologies such as VBA, SQL, Power Pivot, Redshift, Power BI, Python Pandas, Snowflake, Tableau that allow to save big amount of time and increase efficiency in reporting.
-Build and update complex dashboards through Tableau.
-Act as a link between BI team and Finance team.
-Supervision of Finance Automation processes.

Data Analyst/Tableau Developer, acquiring.com December 2019 - August 2020

-Design, improve, deliver reporting and analytics solutions using Tableau and Amazon Redshift SQL.
-Maintain existing business reporting and analytical solutions by providing production support for troubleshooting and regular processing needs.
-Develop and document standards/best practices for development and administration of the Tableau platform providing expertise in data visualization and optimization.

Data Analyst, UBS Business Solutions Services Center September 2017 - November 2019

-Design, maintenance of ETL processes through Microsoft SSIS and complex SQL nested Stored Procedures and automation of long excel routines through SQL queries.
-Develop data analytics and reporting through MS SQL and Tableau for IT Portfolio Management team.
-Responsible for database management and support (grant permission levels, database backups, schedule, check and build SQL Agent Jobs).

General Accounting and Reporting Specialist, ABB Business Services August 2016 - August 2017

-Prepare,upload intercompany transactions into the consolidation system (Hyperion Financial Management ) and perform Month End closing activities.
-Alter existing VBA codes and write new scripts for the purposes of automating report generation.
-Reconcile intercompany accounts to ensure accuracy and compliance with internal financial policies, contributing to the overall integrity of financial statements.

Credit Data Analyst, Sappi Europe Polska May 2015 - July 2016

-Assess customer credit worthiness by analyzing financial data, market/country conditions and customer reputation of assigned portfolio.
-Financial analysis and reviews include interpreting financial statements, ratio analysis and cash flow statements.
-Monitor and manage credit limits for customers, adjusting them based on updated financial data and market conditions to mitigate credit risk.

Junior Purchase to Pay Administrator at Heineken Global Shared Services Centre July 2014 - April 2015

-Process and verify supplier invoices, ensuring accuracy and compliance with company policies before approval for payment.
-Assist in resolving discrepancies between purchase orders, invoices, and delivery receipts, working closely with vendors and internal departments.
-Support the preparation and submission of payment runs, ensuring timely and accurate processing of vendor payments.

Education history

Università degli Studi di Milano Bicocca 28 March 2014 Laurea Magistrale in “Economia e Finanza,Quantitative Models for Banking and
Insurance”, equivalent to Master's degree in Economics and Finance.
Tom Potanski

“80+ clients have experienced exceptional results from our IT recruitment and software development services.”

Tom Potanski

Tom Potanski Founding Partner, DevsData

DevsData LLC Reviews 5.0 Rated 5.0 stars
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"The agency led the hiring with a dedicated recruitment team. In the end, the client hired two senior technicians, one from Spain and another from Portugal, greatly enriching its engineering team."
Sebastian Abdy Saboune's avatar
Sebastian Abdy Saboune
Cofounder & CPO
Twist Solutions, Ltd.
Verified Review
5.0
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"We consider the developers they recommended exceptionally strong from a technical perspective. I can recommend the services of DevsData to all tech companies in need of exceptional tech talent."
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Garik Suess
Cofounder & CTO
Qualifyze GmbH
Verified Review
5.0
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"It was a pleasure to work with DevsData. They excelled at commitment, communication skills, and time and team management. They were extremely organized and efficient, and they tackled every part of the project (several projects) with the utmost care."
Steven Haley's avatar
Steven Haley
Managing Director
Kroll, Inc.
Verified Review
5.0
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"DevsData reached out to us, as we've been looking to grow our engineering team in Europe and Poland. Communicating efficiently and professionally, DevsData made a strong impression with their understanding of the recruitment challenges we were facing."
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Karim Butt
Cofounder & CTO
GlossGenius, Inc.
Verified Review
5.0
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"I really appreciate their ability to adapt to our preferred ways of working, agility and successful delivery."
Tom McGovern's avatar
Tom McGovern
Managing Director
Idealab, Inc.
Verified Review
5.0
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"They have really proved their worth and have shown me that my company’s money is really well spent."
Matthew Wiklo's avatar
Matthew Wiklo
CEO
Epinote
Verified Review
5.0
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"I've been working on several IT projects with DevsData for more than five years. There were many software projects they completed for us."
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Christopher Ting
Senior IT Manager
Verus Analytics LLC
Verified Review
5.0
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"From beginning to end, the cooperation was smooth and contact with DevsData representatives was very easy."
Patrick Lobocki's avatar
Patrick Lobocki
CEO
Roesier, Inc.
Verified Review
5.0
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"From beginning to end, my experience with DevsData was only positive."
Daniel Goebel's avatar
Daniel Goebel
CEO
CoCoHub, Ltd.
Verified Review
5.0
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"Quality control is rare in this line of business, I think this is the secret sauce of their exceptional quality."
Paul Polewicz's avatar
Paul Polewicz
CEO
Reef Technologies
Verified Review
5.0
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"This rapid pace and immaculate organization are what stood out to me most about DevsData."
Joanna Szymanski's avatar
Joanna Szymanski
Owner & CEO
Xino Sports LLC
Verified Review
5.0
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"We at Flowr Agency are particularly pleased with the outcomes, notably the superior code quality, speed, and communication. It confidently endorses the agency's services to other marketing firms."
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Loic Moncany
Cofounder
Flowr Agency
Verified Review
5.0
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"We felt good about our collaboration. They were good people to work with, full of energy, creative, and proactive."
Christian Cieslak's avatar
Christian Cieslak
CEO
Remarkable Ones
Verified Review
5.0
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"We also recommended DevsData to my business connections as they did a truly fantastic job."
Matthew Lenicki's avatar
Matthew Lenicki
CEO
WebCrafters, Inc.
Verified Review
5.0
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"For DevsData to find four amazing developers so fast - that cannot be just luck."
Adam Zaczek's avatar
Adam Zaczek
Founder
1Security
Verified Review
5.0
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"Our cooperation has been very efficient, and I love it."
Adam Janczewski's avatar
Adam Janczewski
Founder & CEO
Jutro Medical
Verified Review
5.0
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"Tom and his team showed great dedication to us as client and allowed wellbee to launch an Alpha stage of our online therapy product in under 1 month from absolute scratch. I need to congratulate them on the very good UX and UI design and good communication skills of the whole team."
Paul Chrzan's avatar
Paul Chrzan
Cofounder and CEO
Wellbee
Verified Review
5.0
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"Out of all the vendors we work with, DevsData clearly stands out. The quality of developers they deliver is beyond what we've received from any other vendor, and they've been able to send profile recommendations very quickly. I'm happy to be their reference for other companies from Israel and talk about their recruitment abilities and what they delivered for us - we eventually signed over 19 engineers from DevsData. I'm extremely satisfied with this recruitment process."
Ran Eyal's avatar
Ran Eyal
Program Manager
ZIM
Verified Review
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I agree and accept that DevsData LLC will improve the user experience by collecting, analyzing, and cataloging information about the internet addresses my devices have connected to, as well as details about my devices’ specifications and software versions, and by making automated decisions (not involving sensitive data). This agreement remains in effect for the legally binding period or until either party withdraws. Withdrawal will result in the removal of the user’s data. For further details, please see our privacy policy.

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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.”

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Nicholas Johnson

CEO of Orange Charger LLC,

Ex-Tesla Engineer,

Mentor at YCombinator

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Tailored recruitment process, trusted market expertise.

“DevsData reached out to us, as we’ve been looking to grow our engineering team in Europe and Poland. Communicating efficiently and professionally, DevsData made a strong impression with their understanding of the recruitment challenges we were facing. They designed a tailored recruitment process for our needs. I was impressed with the technical depth of their approach.”

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Karim Butt

Co-Founder & CTO at GlossGenius, Inc.

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Outstanding vendor, 21 engineers hired.

“Out of all the vendors we work with, DevsData clearly stands out. The quality of developers they deliver is beyond what we've received from any other vendor, and they've been able to send profile recommendations very quickly. I'm happy to be their reference for other companies from Israel and talk about their recruitment abilities and what they delivered for us.”

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Ran Eyal

Senior Manager at

ZIM Integrated

Shipping Services Ltd.

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Proactive partner, exceptional results.

“DevsData demonstrated a strong degree of proactivity, taking time to thoroughly understand the problem and business perspective, and continuously suggesting performance and usability enhancements. Their app exceeded my expectations. I've worked with DevsData on numerous projects over the last 3 years and I'm very happy. Being both responsive and honest in communication.”

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Jonas Lee

Partner & Executive VP of Verus,

Financial LLC, Investor,

& Serial Entrepreneur

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