Hire the Top 3% of Freelance Erwin Data Modelers

Toptal is a marketplace for dedicated Erwin Data Modelers. Top companies and startups choose Toptal Erwin Data freelancers for their mission-critical Erwin Data development projects.

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Hire Freelance Erwin Data Modelers

Art Vancil

Freelance Erwin Data Modeler
United States
Toptal Member Since March 9, 2020

Art has 25 years of data architecture and cloud-computing consulting experience—mostly in building enterprise data warehouses. Art is an end-to-end solution architect and chief problem solver with a long history of focused execution—according to a statement of work—and successful delivery in a team setting.

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Joris Laperre

Freelance Erwin Data Modeler
Toptal Member Since January 27, 2022

Joris is a passionate problem solver with a wealth of experience in relational database design and development, and .NET coding. He was the principal database architect for Microsoft's extensive enterprise healthcare system for several years. More recently, he has been building business intelligence solutions focusing on metadata-driven solution generation. Joris prides himself on delivering exceptional quality work at record speed.

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Shenif Lalji

Freelance Erwin Data Modeler
Toptal Member Since March 25, 2022

Shenif is a solution architect with over 15 years of experience in business intelligence, data warehouse, and ETL architecture with BI/DW technologies expertise. He's been part of designing multidimensional data structures for warehouses, ETL processes, and managing online analytical processing (OLAP) and BI reporting systems. He has experience interacting with customers, identifying business requirements, data modeling, metadata management, data quality initiatives, and archiving strategies.

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Ahmed Samir

Freelance Erwin Data Modeler
Saudi Arabia
Toptal Member Since March 2, 2023

Ahmed is a data architect with extensive experience in business intelligence, data warehousing, data governance, data management, data quality, and data modeling. He has proven experience gathering business requirements from business users, defining KPIs, mapping to databases, defining data quality issues, and designing reports and visualization systems. Ahmed is a great team player with comprehensive business, analytical, and technical skills.

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Roderick Lee

Freelance Erwin Data Modeler
United States
Toptal Member Since June 18, 2020

Roderick is an information management expert specializing in business intelligence and data development. He is fully versed in all aspects of the data warehouse lifecycle, including data design, ETL, reporting, installation, implementation, and administration. Roderick seeks a pivotal role to leverage his substantial experience and skills and add value, stability, and success to a growing organization.

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Richard Baker

Freelance Erwin Data Modeler
Toptal Member Since May 17, 2019

Richard is a developer and has spent over 14 years building and maintaining data warehouses and working on data integrations and reports. He possesses expertise in SQL and is more than competent in Python. Richard believes that the key to successful remote work is communicating clearly defined milestones and the expected availability.

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Sathya Palani

Freelance Erwin Data Modeler
Toptal Member Since June 18, 2020

With 15 years of experience serving as a principal data science and BI architect/consultant, Sathya has acquired complete working knowledge in data modeling, business intelligence, data warehousing, data science, prediction, and automation. He has worked on various applications ranging from simple to complex and believes there's a solution to every problem.

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Salvador Rovere

Freelance Erwin Data Modeler
Toptal Member Since June 24, 2020

Salvador is a data warehouse specialist with over ten years of experience developing applications and solving problems across various technical and business domains, including finance, retail, restaurants, and telecommunications. Motivated by data-driven solutions, Salvador is recognized by his peers for his work and for being an exemplary partner on projects.

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Vladimir Jednak

Freelance Erwin Data Modeler
Toptal Member Since June 18, 2020

Vladimir has over a decade of experience in business intelligence, databases, data warehouses, reporting solutions, development, architecture, and consultancy; including having worked on the complete lifecycle of BI/DWH solutions. Vladimir is passionate about database optimization and query tuning and is constantly searching for ways to improve processes.

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Onur Ulas

Freelance Erwin Data Modeler
United Kingdom
Toptal Member Since October 22, 2020

Onur is a data specialist with 15 years of in-depth industry experience, knowledge of business intelligence processes and architectures, data warehousing, and data analytics, combined with interpersonal and organizational skills. He's proud to have assisted in developing successful data products and services while being recognized by colleagues and managers for outstanding work and support. Onur enjoys contributing to innovative and agile, data projects.

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Oleg Zaimkin

Freelance Erwin Data Modeler
Toptal Member Since February 24, 2020

Oleg has over ten years of experience in ERP business (before 2000) and more than 20 years in developing Windows and web applications using .NET (C#, F#) along with a modern web toolset. Oleg is an advocate of practicing functional programming together with best OOP practices, including but not limited to SOLID. In general, he prefers simplicity and a pragmatic approach over verbosity and overdesign.

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I am more than pleased with our experience with Toptal. The professional I got to work with was on the phone with me within a couple of hours. I knew after discussing my project with him that he was the candidate I wanted. I hired him immediately and he wasted no time in getting to my project, even going the extra mile by adding some great design elements that enhanced our overall look.

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Toptal understood our project needs immediately. We were matched with an exceptional freelancer from Argentina who, from Day 1, immersed himself in our industry, blended seamlessly with our team, understood our vision, and produced top-notch results. Toptal makes connecting with superior developers and programmers very easy.

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How to Hire Erwin Data Modelers Through Toptal


Talk to One of Our Industry Experts

A Toptal director of engineering will work with you to understand your goals, technical needs, and team dynamics.

Work With Hand-Selected Talent

Within days, we'll introduce you to the right Erwin Data Modeler for your project. Average time to match is under 24 hours.

The Right Fit, Guaranteed

Work with your new Erwin Data Modeler for a trial period (pay only if satisfied), ensuring they're the right fit before starting the engagement.


  • How are Toptal Erwin Data Modelers different?

    At Toptal, we thoroughly screen our Erwin Data Modelers to ensure we only match you with talent of the highest caliber. Of the more than 200,000 people who apply to join the Toptal network each year, fewer than 3% make the cut. You’ll work with engineering experts (never generalized recruiters or HR reps) to understand your goals, technical needs, and team dynamics. The end result: expert vetted talent from our network, custom matched to fit your business needs.

  • Can I hire Erwin Data Modelers in less than 48 hours through Toptal?

    Depending on availability and how fast you can progress, you could start working with an Erwin Data Modeler within 48 hours of signing up.

  • What is the no-risk trial period for Toptal Erwin Data Modelers?

    We make sure that each engagement between you and your Erwin Data Modeler begins with a trial period of up to two weeks. This means that you have time to confirm the engagement will be successful. If you’re completely satisfied with the results, we’ll bill you for the time and continue the engagement for as long as you’d like. If you’re not completely satisfied, you won’t be billed. From there, we can either part ways, or we can provide you with another expert who may be a better fit and with whom we will begin a second, no-risk trial.

Tap Into World-Class Talent

  • Trusted Experts Only

    Trusted Experts Only

    All of our talent are seasoned experts who ramp up quickly, readily contribute as core team members, and work with you to minimize onboarding time.

  • The Right Fit

    The Right Fit

    We have a knack for matching you with the right fit. Start working with your new hire on a no-risk trial period, paying only if satisfied.

  • Scale as Needed

    Scale as Needed

    Hire talent within 48 hours and scale your team up or down as needed, no strings attached.

  • Seamless Hiring

    Seamless Hiring

    We handle all aspects of billing, payments, and NDA’s. Let us take care of the overhead while you focus on building great products.

  • Flexible Engagements

    Flexible Engagements

    Choose the engagement type that suits your needs — hourly, part-time, or full-time — with the ability to change anytime.

  • Expert Talent Matching

    Expert Talent Matching

    Focus on your project and enjoy support from your dedicated account executive and expert talent matcher.

Top Erwin Data Modelers Are in High Demand.

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