How are Toptal Data Miners different?

At Toptal, we thoroughly screen our Data Miners 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 Data Miners in less than 48 hours through Toptal?

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

What is the no-risk trial period for Toptal Data Miners?

We make sure that each engagement between you and your Data Miner 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.

Hire the Top 3% of Freelance Data Miners

Name: Data Mining Development Services
Brand: Toptal
Rating: 4.3 (18 reviews)

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

Hire a Top Data Miner Now

No-Risk Trial, Pay Only If Satisfied.

Trusted by leading brands and startups

Watch the case study

Hire Freelance Data Miners

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View Reza

Reza Vaghefi

Freelance Data Miner

United StatesToptal Member Since February 3, 2022

Reza holds an MS and a PhD in electrical and computer engineering. As a professional with more than ten years of experience in machine learning and data analysis, he specializes in different programming languages such as Python, R, C, C++, and MATLAB. Reza has a strong background in software engineering, algorithms, and data structures.

Data Mining Machine Learning Data Analysis Statistics Algorithms Python R C++Windows PyTorch TensorFlow Pandas NumPy + more

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View Henrik

Henrik Sergoyan

Freelance Data Miner

GermanyToptal Member Since November 5, 2021

Henrik is a data scientist with over six years of professional experience. His primary expertise includes and is not limited to natural language processing, forecasting algorithms, gradient boosting algorithms for tabular data, data scraping, and machine learning operations (MLOps). As a senior data scientist, Henrik works with SQL and NoSQL databases, including MongoDB, and brings strong project management skills and excellence to his work.

Data Mining MacOS Slack PyCharm Data Scraping Natural Language Processing (NLP)RStudio Python Word2Vec Ensemble Methods ETL Selenium Machine Learning + more

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View Bruno

Bruno Barbosa Miranda

Freelance Data Miner

BrazilToptal Member Since September 30, 2021

Bruno was originally a medical doctor but was the first to get a master's degree in computer science (CS) at one of the top universities in his country, without prior CS formal education. He is currently pursuing a Ph.D. in CS at the same university (UFMG). Bruno considers himself a highly motivated and passionate professional who loves his work and constantly learns new things.

Data Mining Anaconda TensorFlow Scikit-learn NumPy Python 3 Machine Learning Deep Neural Networks Natural Language Processing (NLP)Python Algorithms Artificial Intelligence (AI)Data Analysis + more

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View Suresh

Suresh Kasipandy

Freelance Data Miner

CanadaToptal Member Since August 30, 2021

Part data scientist and part cloud solutions architect, Suresh excels at taking business problems and setting up end-to-end cloud data systems to solve them. Ranging from streaming data pipelines to data lakes to deep learning systems, Suresh leverages the latest tech and cutting-edge approaches to build robust and fault-tolerant systems that help you leverage business value from your data.

Data Mining Machine Learning Python Natural Language Processing (NLP)TensorFlow Scikit-learn Amazon Web Services (AWS)Data Engineering SQL Data Analysis ETL Data Pipelines Data Analytics + more

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View Alex

Alex Ognev

Freelance Data Miner

United StatesToptal Member Since August 5, 2020

Alex has over 20 years of experience in software development and data science. He has worked for large companies building enterprise-scale software and on small agile teams and solo projects. Alex has undertaken data analysis, data visualization, and predictive modeling with a heavy emphasis on financial and time-series data over the past decade.

Data Mining Machine Learning Python SQL Data Visualization Time Series Python 3 Data Analysis Predictive Analytics Data Analytics Data Reporting Big Data Data Modeling + more

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View Nicolas

Nicolas Debaene

Freelance Data Miner

FranceToptal Member Since April 1, 2020

With a master of science degree in engineering and a specialization in data science from Telecom ParisTech, Nicolas has been solving concrete business cases for five years using machine learning and data mining. His experience in the eCommerce, banking, and consulting sectors gives him a very strong technology portfolio and a deep understanding of different business types.

Data Mining Artificial Intelligence (AI)Data Analysis Data Analytics Data Visualization Time Series Machine Learning Python Deep Learning SQL Natural Language Processing (NLP)Scikit-learn Pandas + more

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View Ibrahim

Ibrahim Mahmoud Ahmed, Ph.D.

Freelance Data Miner

AustraliaToptal Member Since April 22, 2019

Ibrahim is a veteran data scientist and software developer with a passion for deep learning and extensive experience in statistics and time series. Ibrahim is interested in helping businesses take full advantage of their data and take data-driven actions. His principle is to observe, model, and corroborate, disrupting the status quo with artificial intelligence.

Data Mining Ubuntu GIS .NET Esri Microsoft SQL Server Oracle Scikit-learn Windows Azure Machine Learning Amazon Web Services (AWS)Natural Language Processing (NLP)Google Cloud Platform (GCP)+ more

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View Lovro

Lovro Iliassich

Freelance Data Miner

CroatiaToptal Member Since February 20, 2016

Lovro is a machine learning engineer and data scientist, especially enthusiastic about deep learning applications. Combining his academic knowledge with practical experience in the industry, he can contribute to any part of an AI software development process. Lovro's work experience ranges from startups to corporations—he worked as an engineer at Amazon—and research in academic institutions and universities.

Data Mining Algorithms Jupyter REST APIs Python Scikit-learn TensorFlow PyTorch Java Keras Clustering Deep Neural Networks Deep Learning + more

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View Chris

Chris Liang

Freelance Data Miner

RussiaToptal Member Since October 1, 2016

Chris loves creating web apps and iOS/Android apps. Over the past decade, he's developed more than 100 apps—providing a comprehensive UI/UX in geolocation service, real-time messaging, and other social features. He specializes in developing desktop and mobile apps related to real estate and food industries. Chris is an open-minded and personable developer who loves working with other developers in a team environment.

Data Mining Web Development PHP Model View ViewModel (MVVM)iPad MSSQLCE MySQL MacOS iOS JavaScript Xcode Agile Software Development Agile + more

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View Shashwat

Shashwat Khanna

Freelance Data Miner

IndiaToptal Member Since May 19, 2022

Shashwat is a seasoned professional with almost ten years of work experience in core data science. He has rich experience designing, developing, and deploying machine learning models for clients across the banking, financial services, insurance, retail, eCommerce, and healthcare sectors. Shashwat is currently in charge of end-to-end product analytics for Shopify's recently launched product.

Data Mining Natural Language Processing (NLP)Predictive Analytics Exploratory Data Analysis SQL Data Reporting Machine Learning Analytics Python Pandas RStudio Data Analysis Data Visualization + more

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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.

Start Hiring

Trustpilot

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.

Start Hiring

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

Leading a digital transformation

Building a cross-platform app to be used worldwide

Drilling into real-time data creates an industry game changer

What our clients think

Clients Rate Toptal Data Miners4.3 / 5.0on average across 18 reviews as of Mar 1, 2024

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
Tripcents

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
WhatAdsWork.com

Toptal offers a no-compromise solution to businesses undergoing rapid development and scale. Every engineer we've contracted through Toptal has quickly integrated into our team and held their work to the highest standard of quality while maintaining blazing development speed.
Greg Kimball, Co-Founder
nifti.com

How to Hire Data Miners 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 Data Miner for your project. Average time to match is under 24 hours.

The Right Fit, Guaranteed

Work with your new Data Miner 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.

Analytics Developers Data Scientists Data Warehouse Developers Data Engineers Data Visualization Developers Data Analysts Algorithm Developers Data Management Engineers

FAQs

How are Toptal Data Miners different?
At Toptal, we thoroughly screen our Data Miners 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 Data Miners in less than 48 hours through Toptal?
Depending on availability and how fast you can progress, you could start working with a Data Miner within 48 hours of signing up.
What is the no-risk trial period for Toptal Data Miners?
We make sure that each engagement between you and your Data Miner 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
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
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
Hire talent within 48 hours and scale your team up or down as needed, no strings attached.
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
Choose the engagement type that suits your needs — hourly, part-time, or full-time — with the ability to change anytime.
Expert Talent Matching
Focus on your project and enjoy support from your dedicated account executive and expert talent matcher.