Hire the Top 3% of Freelance Data Warehouse Developers

Toptal is a marketplace for top Data Warehouse developers, engineers, programmers, coders, architects, and consultants. Top companies and startups choose Toptal Data Warehouse freelancers for their mission-critical software projects.

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Clients rate Toptal Data Warehouse developers 4.9 / 5 on average based on 1,523 reviews.
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Tiger Li

Freelance Data Warehouse Developer
Verified Expert in Engineering
UTC-10:00
United States
Toptal Member Since August 8, 2024

Tiger has 25 years of experience in database development and administration and IT project management. He has implemented large-scale system integrations and business intelligence (BI) projects in various industries, including retail, government, and education. His expertise spans SQL Server, MySQL, Oracle, Access, SSAS, SSRS, SSIS, Power Apps, Power BI, C#, VB.NET, Delphi, PHP, and Java. As the sole DBA at a retail company, Tiger helped boost sales from $5 million to $15 million in four years.

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Roxana Ibanez

Freelance Data Warehouse Developer
Verified Expert in Engineering
UTC-06:00
Canada
Toptal Member Since June 24, 2020

Roxana has more than 10 years of experience advising and assisting companies and clients in data warehousing, business intelligence, data governance, and digital transformation. She understands the benefits of good communication and clean code and how a well-projected architecture helps productivity and maintainability in the long term. Roxana's extensive experience in the data domain has been proven to help leverage applied analytics to manage complex problems.

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Dmitry Kozlov

Freelance Data Warehouse Developer
Verified Expert in Engineering
UTC-05:00
Canada
Toptal Member Since February 24, 2021

Dmitry is a senior big data architect with 16+ years of experience in data warehousing, BI, ETL, analytics, and the cloud. He's led teams in the delivery of 24 projects in the industries of finance, insurance, telecommunications, government, education, mining, manufacturing, and retail. Dmitry thrives in high-paced environments, has demonstrated the ability to lead effectively, manage, and support teams, and has consulted on several projects as a BI, data warehouse, and big data expert.

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Paul Butler

Freelance Data Warehouse Developer
Verified Expert in Engineering
UTC-05:00
United States
Toptal Member Since October 21, 2020

Backed by 20+ years of experience, Paul has served as a senior data architect, principal architect, technical project manager, and engineer for various areas of focus such as marketing, CDP, SFA, CRM, data warehousing, data modeling, reporting, data visualization, data science, and analytics. He focuses on creating innovative solutions that are highly aligned with business value. A keen strategist, Paul enjoys utilizing his business and technical expertise to create high-impact solutions.

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James Booth

Freelance Data Warehouse Developer
Verified Expert in Engineering
UTC+00:00
United Kingdom
Toptal Member Since September 13, 2022

James is a lead data warehouse and BI developer with over 15 years of experience in business intelligence, from design and development to support and testing. He has worked on numerous greenfield projects and reworks of existing implementation projects, and his industry experience covers private banking, accounting, manufacturing, travel, and law. James takes pride in his work and values trust and open communication.

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Ezgi Gurkan

Freelance Data Warehouse Developer
Verified Expert in Engineering
UTC+00:00
United Kingdom
Toptal Member Since March 24, 2021

Ezgi is a senior developer with 12 years of experience in data technologies. He has proven expertise in architecting and implementing complex data projects involving ETL operations, data pipelines, data warehousing, and data modeling. He can quickly learn new technologies on his own initiative and apply best practice principles such as CI/CD, automated testing, and more. Ezgi has led small teams, mentored junior developers, and can communicate complicated topics with non-technical stakeholders.

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Ahmed Samir

Freelance Data Warehouse Developer
Verified Expert in Engineering
UTC+03:00
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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Aleksei Burenin

Freelance Data Warehouse Developer
Verified Expert in Engineering
UTC+07:00
Thailand
Toptal Member Since November 26, 2020

Aleksei is a highly-qualified data warehouse (DWH) architect with more than a decade of experience in developing full-stack enterprise standalone and big data DWH solutions. He has extensive technical knowledge and experience in DWH implementations that require attention to detail. A proven team leader with exemplary communication skills and a drive to keep up to date with industry innovation, Aleksei thrives under pressure to build robust products and deliver projects on time.

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Nitin Keshav

Freelance Data Warehouse Developer
Verified Expert in Engineering
UTC+10:00
Australia
Toptal Member Since December 10, 2021

Nitin is a data engineering professional with over 13 years of work experience with expertise in data engineering, cloud computing (architecture and DevOps), enterprise data warehousing, and machine learning. His strengths include Databricks (Pyspark), ETL (Talend and Informatica Cloud), programming (Python), SQL (Azure SQL, SQL Server, Teradata, Redshift, and PostgreSQL), scripting (Unix, PowerShell), data modeling, and having impeccable business acumen.

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Kiran Kumar Kolla

Freelance Data Warehouse Developer
Verified Expert in Engineering
UTC+10:00
Australia
Toptal Member Since July 28, 2021

Kiran is a database engineer with over ten years of expertise implementing data lakes, data integrations, and data warehousing solutions. In addition to data engineering work with Cognizant and wireless with NBN Co, Kiran has enterprise experience in financial services from MetLife, ING Group, to Bank of America. He is highly motivated when challenges are thrown at him, as they bring out his best! Kiran loves to program and use logical thinking to solve complex problems efficiently.

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Lincoln Hu

Freelance Data Warehouse Developer
Verified Expert in Engineering
UTC+12:00
New Zealand
Toptal Member Since March 1, 2021

With over 15 years of experience, Lincoln specializes in developing and implementing business intelligence (BI) and data warehouse solutions, SAP ERP systems, software, and web design and development. His expertise spans a wide range of technologies, including SQL, T-SQL, MS SQL Server, Oracle, data warehousing, ETL processes, MS SSIS, SSRS/SSAS, Power BI, Microsoft Azure SQL Database, Synapse Analytics, Databricks, Google BigQuery, Amazon RDS and Redshift, as well as Python programming.

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THE TOPTAL ADVANTAGE

98% of Toptal clients choose to hire our talent after a risk-free trial.

Toptal's screening and matching process ensures exceptional talent are matched to your precise needs.

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Toptal in the press

... allows corporations to quickly assemble teams that have the right skills for specific projects.

Despite accelerating demand for coders, Toptal prides itself on almost Ivy League-level vetting.

Our clients
Creating an app for the game
Conor Kenney
Creating an app for the game
Leading a digital transformation
Elmar Platzer
Leading a digital transformation
Building a cross-platform app to be used worldwide
Building a cross-platform app to be used worldwide
Drilling into real-time data creates an industry game changer
Drilling into real-time data creates an industry game changer
Testimonials
Tripcents wouldn't exist without Toptal. Toptal Projects enabled us to rapidly develop our foundation with a product manager, lead developer, and senior designer. In just over 60 days we went from concept to Alpha. The speed, knowledge, expertise, and flexibility is second to none. The Toptal team were as part of Tripcents as any in-house team member of Tripcents. They contributed and took ownership of the development just like everyone else. We will continue to use Toptal. As a startup, they are our secret weapon.

Brantley Pace

CEO & Co-Founder

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.

Paul Fenley

Director

The developers I was paired with were incredible -- smart, driven, and responsive. It used to be hard to find quality engineers and consultants. Now it isn't.

Ryan Rockefeller

CEO

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.

Jason Kulik

Co-founder

As a small company with limited resources we can't afford to make expensive mistakes. Toptal provided us with an experienced programmer who was able to hit the ground running and begin contributing immediately. It has been a great experience and one we'd repeat again in a heartbeat.

Stuart Pocknee

Principal

How to Hire Data Warehouse Developers Through Toptal

1

Talk to One of Our Client Advisors

A Toptal client advisor will work with you to understand your goals, technical needs, and team dynamics.
2

Work With Hand-selected Talent

Within days, we'll introduce you to the right Data Warehouse developer for your project. Average time to match is under 24 hours.
3

The Right Fit, Guaranteed

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

Find Experts With Related Skills

Access a vast pool of skilled developers in our talent network and hire the top 3% within just 48 hours.

FAQs

  • How quickly can you hire with Toptal?

    Typically, you can hire a Data Warehouse developer with Toptal in about 48 hours. For larger teams of talent or Managed Delivery, timelines may vary. Our talent matchers are highly skilled in the same fields they’re matching in—they’re not recruiters or HR reps. They’ll work with you to understand your goals, technical needs, and team dynamics, and match you with ideal candidates from our vetted global talent network.

    Once you select your Data Warehouse developer, you’ll have a no-risk trial period to ensure they’re the perfect fit. Our matching process has a 98% trial-to-hire rate, so you can rest assured that you’re getting the best fit every time.

  • To hire the right Data Warehouse developer, it’s important to evaluate a candidate’s experience, technical skills, and communication skills. You’ll also want to consider the fit with your particular industry, company, and project. Toptal’s rigorous screening process ensures that every member of our network has excellent experience and skills, and our team will match you with the perfect Data Warehouse developers for your project.

  • At Toptal, we thoroughly screen our Data Warehouse developers to ensure we only match you with the highest caliber of talent. Of the more than 200,000 people who apply to join the Toptal network each year, fewer than 3% make the cut.

    In addition to screening for industry-leading expertise, we also assess candidates’ language and interpersonal skills to ensure that you have a smooth working relationship.

    When you hire with Toptal, you’ll always work with world-class, custom-matched Data Warehouse developers ready to help you achieve your goals.

  • You can hire Data Warehouse developers on an hourly, part-time, or full-time basis. Toptal can also manage the entire project from end-to-end with our Managed Delivery offering. Whether you hire an expert for a full- or part-time position, you’ll have the control and flexibility to scale your team up or down as your needs evolve. Our Data Warehouse developers can fully integrate into your existing team for a seamless working experience.

  • We make sure that each engagement between you and your Data Warehouse developer 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 Data Warehouse Developers Are in High Demand.

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