Hire the Top 3% of Freelance Mahout Developers

Toptal is a marketplace for dedicated Mahout developers, engineers, programmers, coders, architects, and consultants. Top companies and startups choose Toptal Mahout freelancers for their mission-critical development projects.

No-Risk Trial, Pay Only If Satisfied.

Hire Freelance Mahout Developers and Engineers

Catalin Oancea

Freelance Mahout Developer
United KingdomToptal Member Since May 17, 2019

Catalin has over seven years of experience developing web services using various languages at top companies such as Facebook, Bloomberg, Bolt, and Fitbit. Having worked as a production engineer at Facebook, his site reliability engineering skills enable him to design and build production-ready services that scale. Catalin's worked mostly in fast-paced teams distributed around the globe, where he has proven to be an excellent communicator.

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Julian Bell

Freelance Mahout Developer
AustraliaToptal Member Since May 13, 2017

Julian is a full-stack developer with over a decade of commercial software development experience, including architectural design. He's extremely knowledgable about Java, Kotlin, and agile methodologies, plus he's a hard-working and fun addition to any team.

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Ivan Starcevic

Freelance Mahout Developer
SerbiaToptal Member Since September 6, 2016

Ivan is a software architect and engineer with over a decade of experience delivering high-performance, resilient, and scalable distributed systems handling large amounts of data. He has done outstanding work for enterprise-level customers, driving proof of concepts, pilots, and technology evaluations to accelerate new technologies and solutions onboarding. Ivan fosters an environment of ownership, innovation, and technical excellence.

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Michał Niegrzybowski

Freelance Mahout Developer
PolandToptal Member Since December 4, 2019

Michal is a software developer, a big fan of functional programming, TDD, and DDD, and not afraid of any technology or language. He has over five years of experience in creating complex web applications starting from monolith applications through microservices. Michal always does his best to achieve the goals of a project. He's a team player with excellent communication skills and is always willing to help his colleagues.

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Ricardo de Castro Palácio

Freelance Mahout Developer
BrazilToptal Member Since June 6, 2017

Ricardo is a senior web developer with 13 years of experience who loves challenging projects and solving non-trivial problems through efficient and elegant algorithms. He's worked with many technologies—from C++, ASP.NET, and Java to Node.js—and is always exploring new possibilities as technologies keep evolving.

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Marcus Hsu

Freelance Mahout Developer
United StatesToptal Member Since May 19, 2020

Marcus has over a decade of experience in front-end development, building React websites and developing iOS and Android apps in React Native for the past several years. He has helped at least 31 enterprises and startup clients to design and build high-quality cross-platform apps using React, React Native, and Node.js. Marcus has also built enterprise-scale apps that have impacted over 30 million users in 140 countries.

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Michael Kooloos

Freelance Mahout Developer
SpainToptal Member Since October 30, 2020

Michael is an all-around big data, BI, and DWH analytics engineer and architect with over 20 years of experience. He has a quick understanding of the information needs of the business. Michael is experienced in all project phases, from analysis and design to development and end-user training and support. Michael is best in complex environments when technology needs to result in real business value by delivering the right information to the right person at the right time.

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Przemysław Górecki

Freelance Mahout Developer
PolandToptal Member Since August 31, 2016

Przemysław is an open-minded senior software developer with over ten years of experience in web application development. He has experience building MVC applications, REST APIs, and real-time web systems using Python, JavaScript, and Ruby on Rails. He also holds a Ph.D. in artificial intelligence with an extensive expertise in computer vision and machine learning.

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Alexei Selivanov

Freelance Mahout Developer
KazakhstanToptal Member Since April 11, 2022

Alexei is a versatile full-stack professional with 12 years of experience and a math background focused on the front end. Some of his principles include first things first (80/20 principle), a step-by-step approach—cutting the scope (what's doable within the sprint timeline), getting it done (completeness is key), and working on the next version. Lastly, start by implementing a primary ideal usage scenario.

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Discover More Mahout Developers in the Toptal Network

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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
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


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


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


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


How to Hire Mahout Developers 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 Mahout developer for your project. Average time to match is under 24 hours.

The Right Fit, Guaranteed

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


  • How are Toptal Mahout developers different?

    At Toptal, we thoroughly screen our Mahout developers 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 Mahout developers in less than 48 hours through Toptal?

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

  • What is the no-risk trial period for Toptal Mahout developers?

    We make sure that each engagement between you and your Mahout 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 Mahout Developers Are in High Demand.

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