Data Analysis

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Toptal is a marketplace for top freelance data analysts. Top companies and start-ups choose Toptal data analysis experts for their mission-critical software projects.

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Clients Rate Toptal Data Analysts4.5 / 5.0on average across 12 reviews as of May 2020

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Hire Freelance Data Analysts

View Christopher

Christopher Karvetski

Freelance Data Analyst

United StatesToptal Member Since June 22, 2016

Dr. Karvetski has ten years of experience as a data and decision scientist. He has worked across academia and industry in a variety of team and client settings, and has been recognized as an excellent communicator. He loves working with teams to conceive and deploy novel data science solutions. He has expertise with R, SQL, MATLAB, SAS, and other platforms for data science.

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Data AnalysisRSQLSASiOSOracleData ScienceTensorFlow
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Eva Bojorges Rodriguez

Freelance Data Analyst

MexicoToptal Member Since October 16, 2014

Eva is a skilled back-end developer and machine learning engineer with experience in scalability issues, system administration, and more. She has a flair for well-structured, readable, and maintainable applications and excellent knowledge of Python, Ruby, and Go. She is a quick learner and has worked in teams of all sizes.

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Data AnalysisPythonFlaskGoogle App EngineMachine LearningGoogle CloudREST APIsGoogle BigQueryData ScienceScrumBack-endFull-stackC#
View Daniel

Daniel Tucunduva

Freelance Data Analyst

CanadaToptal Member Since June 24, 2019

Daniel is a full-stack developer with four years of experience working for clients of all sizes, with a specialization in JavaScript and TypeScript technologies. Daniel has a strong academic background in computer science and won local hackathons multiple times while earning his degrees.

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Data AnalysisJavaScriptAngular
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Renee Ahel

Freelance Data Analyst

CroatiaToptal Member Since June 24, 2018

Renee is a data scientist with over 12 years of experience, and five years as a full-stack software engineer. For over 12 years, he has worked in international environments, with English or German as a working language. This includes four years working remotely for German and Austrian client companies and nine months working remotely as a member of the Deutsche Telekom international analytics team.

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Data AnalysisSQLRMachine LearningData ScienceOracle SQLDatabasesCompany DatabasesPythonREST APIsAWS LambdaAPI DocumentationAlgorithms
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Vu Quang Hoa

Freelance Data Analyst

VietnamToptal Member Since May 23, 2016

Hoa, nicknamed Joe, is a brilliant engineer who is capable of grasping new concepts very quickly. His most striking quality is the commitment he shows in whatever he does. He specializes in full-stack, highly scalable Python-Django applications, with experience in Java and PHP. He has over two years of experience developing applications on the Django framework at the StoryTree company—one of the top 500 startups in the US.

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Data AnalysisPythonDjangoGitFreelanceGitHubData ScienceFull-stackGoogle APIAWSTensorFlowAWS EC2iOS
View Aljosa

Aljosa Bilic

Freelance Data Analyst

SwitzerlandToptal Member Since May 30, 2016

Aljosa is a data scientist and developer who has more than eight years of experience building statistical/predictive machine learning models, analyzing noisy data sets, and designing and developing decision support tools and services. He joined Toptal because freelancing intrigues him, and the best projects and people are to be found here.

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Data AnalysisPythonMATLABFlaskMachine LearningAlgorithmic TradingData SciencePandasAirbnb
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Katia Hayati

Freelance Data Analyst

United StatesToptal Member Since October 24, 2016

Katia has worked for twelve years as an engineer, hands-on engineering manager, and consultant. She has worked at companies of all sizes, from tiny two-person startups to major enterprises including Groupon and Microsoft. She specializes in data processing, data-related algorithms, searching, and machine learning, but she has worked up and down the whole stack.

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Data AnalysisPerlSQLData ScienceMachine LearningFlutter
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Stephen Flammer

Freelance Data Analyst

PhilippinesToptal Member Since August 4, 2015

Stephen is a talented senior data systems engineer and consultant, senior desktop solutions full-stack engineer and consultant, and senior SQL DBA. He has over twenty years of experience designing and developing SQL Server, VB, and MS Access systems. He designs and develops intuitive and feature-rich user-friendly solutions. He is an expert MS SQL database administrator, QA engineer, documentation specialist, and English/Spanish translator.

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Data AnalysisSQLT-SQLMicrosoft AccessMicrosoft ExcelMicrosoft SQL ServerSQL Server Management StudioVisual Basic for Applications (VBA)VBOffice APIDatabase DesignWindowsSQL Server Integration Services (SSIS)
View Oliver

Oliver Holloway

Freelance Data Analyst

United KingdomToptal Member Since March 6, 2016

Oliver is a versatile data scientist and software engineer combining several years of experience and a postgraduate mathematics degree from Oxford. Career assignments have ranged from building machine learning solutions for startups to leading project teams and handling vast amounts of data at Goldman Sachs. With this background, he is adept at picking up new skills quickly to deliver robust solutions to the most demanding of businesses.

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Data AnalysisPythonAngularJSPandasFreelanceFlutter
View Charles

Charles Bordet

Freelance Data Analyst

FranceToptal Member Since November 29, 2017

Experienced data scientist with a strong background in programming, machine learning, and statistics. He has helped a variety of clients in various industries, such as academic researchers, web startups, and Fortune 500 companies. His work spans from extracting and cleaning data to building data products backed with machine learning models.

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Data AnalysisRSQLData ScienceLinuxPostgreSQLRStudio ShinyPandasComputer VisionMySQL

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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 start up, they are our secret weapon.

Brantley Pace, CEO & Co-Founder

Tripcents

In addition to sharp technical skills, Faruk had a great attitude and is a really exceptional communicator. He always let us know where he was with his work, thoroughly and reliably. That's not always the case, and it made working remotely considerably easier. He was an easy integration into the team.

Leif Abraham, Co-Founder

AND CO Ventures Inc

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

K Dunn & Associates

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

Radeeus

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

ProHatch

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

Site Specific Software Solutions

We used Toptal to hire a developer with extensive Amazon Web Services experience. We interviewed four candidates, one of which turned out to be a great fit for our requirements. The process was quick and effective.

Abner Guzmán Rivera, CTO and Chief Scientist

Photo Kharma

Sergio was an awesome developer to work with. Top notch, responsive, and got the work done efficiently.

Dennis Baldwin, Chief Technologist and Co-Founder

PriceBlink

Working with Marcin is a joy. He is competent, professional, flexible, and extremely quick to understand what is required and how to implement it.

André Fischer, CTO

POSTIFY

We needed a expert engineer who could start on our project immediately. Simanas exceeded our expectations with his work. Not having to interview and chase down an expert developer was an excellent time-saver and made everyone feel more comfortable with our choice to switch platforms to utilize a more robust language. Toptal made the process easy and convenient. Toptal is now the first place we look for expert-level help.

Derek Minor, Senior VP of Web Development

Networld Media Group

Toptal's developers and architects have been both very professional and easy to work with. The solution they produced was fairly priced and top quality, reducing our time to launch. Thanks again, Toptal.

Jeremy Wessels, CEO

Kognosi

We had a great experience with Toptal. They paired us with the perfect developer for our application and made the process very easy. It was also easy to extend beyond the initial time frame, and we were able to keep the same contractor throughout our project. We definitely recommend Toptal for finding high quality talent quickly and seamlessly.

Ryan Morrissey, CTO

Applied Business Technologies, LLC

I'm incredibly impressed with Toptal. Our developer communicates with me every day, and is a very powerful coder. He's a true professional and his work is just excellent. 5 stars for Toptal.

Pietro Casoar, CEO

Ronin Play Pty Ltd

Working with Toptal has been a great experience. Prior to using them, I had spent quite some time interviewing other freelancers and wasn't finding what I needed. After engaging with Toptal, they matched me up with the perfect developer in a matter of days. The developer I'm working with not only delivers quality code, but he also makes suggestions on things that I hadn't thought of. It's clear to me that Amaury knows what he is doing. Highly recommended!

George Cheng, CEO

Bulavard, Inc.

As a Toptal qualified front-end developer, I also run my own consulting practice. When clients come to me for help filling key roles on their team, Toptal is the only place I feel comfortable recommending. Toptal's entire candidate pool is the best of the best. Toptal is the best value for money I've found in nearly half a decade of professional online work.

Ethan Brooks, CTO

Langlotz Patent & Trademark Works, Inc.

In Higgle's early days, we needed the best-in-class developers, at affordable rates, in a timely fashion. Toptal delivered!

Lara Aldag, CEO

Higgle

Toptal makes finding a candidate extremely easy and gives you peace-of-mind that they have the skills to deliver. I would definitely recommend their services to anyone looking for highly-skilled developers.

Michael Gluckman, Data Manager

Mxit

Toptal’s ability to rapidly match our project with the best developers was just superb. The developers have become part of our team, and I’m amazed at the level of professional commitment each of them has demonstrated. For those looking to work remotely with the best engineers, look no further than Toptal.

Laurent Alis, Founder

Livepress

Toptal makes finding qualified engineers a breeze. We needed an experienced ASP.NET MVC architect to guide the development of our start-up app, and Toptal had three great candidates for us in less than a week. After making our selection, the engineer was online immediately and hit the ground running. It was so much faster and easier than having to discover and vet candidates ourselves.

Jeff Kelly, Co-Founder

Concerted Solutions

We needed some short-term work in Scala, and Toptal found us a great developer within 24 hours. This simply would not have been possible via any other platform.

Franco Arda, Co-Founder

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How to Hire Data Analysts through Toptal

1

Talk to One of Our Industry Experts

A Toptal director of engineering will work 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 analyst for your project. Average time to match is under 24 hours.
3

The Right Fit, Guaranteed

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

FAQs

  • How are Toptal data analysts different?

    At Toptal, we thoroughly screen our data analysts to ensure we only match you with talent of the highest caliber. Of the more than 100,000 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. Start now.

  • Can I hire data analysts in less than 48 hours through Toptal?

    Depending on availability and how fast you can progress, you could start working with a data analyst within 48 hours of signing up. Start now.

  • What is the no-risk trial period for Toptal data analysts?

    We make sure that each engagement between you and your data analyst 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. Start now.

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 in under 2 weeks 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.

Featured Toptal Data Analysis Publications

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by Juan Manuel Ortiz de Zarate
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