Hire the Top 3% of Freelance HDFS Developers

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

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Clients rate Toptal HDFS developers 4.9 / 5 on average based on 252 reviews.
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Hire Freelance HDFS Developers

Raj Kartha

Freelance HDFS Developer
Verified Expert in Engineering
UTC-07:00
United States
Toptal Member Since June 12, 2024

Raj is an enterprise data engineer and consultant with 20+ years of experience driving large-scale projects spanning multiyear planning and delivery. He also has hands-on experience in human capital management (HCM) and data management and architecture. At American Express, Raj won the 2014 Chairman's Award for delivering an ITIL data warehouse and integrating ServiceNow. As a dynamic people leader, he also managed large, geographically dispersed teams and identified and mentored future leaders.

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Shailendra Verma

Freelance HDFS Developer
Verified Expert in Engineering
UTC-05:00
Canada
Toptal Member Since July 19, 2022

Shailendra has over 15 years of experience in software development, including scoping, design, development, testing, and documentation. He's proficient in big data technologies like HDFS, Spark, and Scala, in Cloud technologies, such as AWS and GCP, and back-end technologies, namely Java and Spring Boot. He has great communication and analytical skills with a proven ability to deliver and has worked with many multinational organizations like TD, RBC, Rogers, AT&T, U.S. Cellular, and Vodafone.

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Goutham Kumar

Freelance HDFS Developer
Verified Expert in Engineering
UTC-05:00
Canada
Toptal Member Since July 31, 2024

With 10+ years of data engineering experience, Goutham has crafted scalable solutions with AWS and Azure. He has developed Azure-based ETL pipelines for Bell Canada with Power BI and implemented an ETL pipeline with Azure Data Factory, Databricks, Snowflake, and Power BI for Walmart. Goutham also used Azure ML for predictive models for the National Bank of Canada, optimized data with Azure SQL and .NET, and created AWS data lake architectures with RDS, S3, Glue, and Tableau at HSBC.

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Karip Kaya

Freelance HDFS Developer
Verified Expert in Engineering
UTC+00:00
United Kingdom
Toptal Member Since March 29, 2022

Karip is a data engineer and developer with 18 years of experience in the IT industry and six years in the freelance community. He specializes in Java, Scala, and Python and is skilled at Hadoop, Spark, and PL/SQL. Karip enjoys working on the back end, database, and big data projects.

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Darshan Singh

Freelance HDFS Developer
Verified Expert in Engineering
UTC+01:00
Germany
Toptal Member Since June 18, 2020

For the past 16 years, Darshan has worked as a database developer, architect, and performance-tuning expert using MS SQL, PostgreSQL, Redshift, and Snowflake. Since 2012, he’s been focusing on data and big data engineering projects using Spark, Hadoop, NoSQL, Python, Java 8, Kafka, and AWS, mainly building traditional ETL pipelines (Unix, Python, and SQL), big data ETL pipelines (Python, Spark, Hadoop, and HDFS), and real-time ETL pipelines (Kafka).

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Hassan Ashraf

Freelance HDFS Developer
Verified Expert in Engineering
UTC+04:00
United Arab Emirates
Toptal Member Since June 24, 2021

Hassan has 18 years of experience, with increasingly responsible roles, developing high-performance on-premise and on-cloud data platforms. He is excited about GenAI and already have one production grade and one hobby project in which he was lead engineer to design and implement Agentic RAG applications. He has expertise in telecommunications, fintech, logistics, transportation, healthcare, eCommerce, and media analytics industries.

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Gopal Krishna Ranjan

Freelance HDFS Developer
Verified Expert in Engineering
UTC+05:00
India
Toptal Member Since June 18, 2020

Gopal is a Microsoft-certified Azure data engineer experienced in Spark, Scala, Python, Azure, HDFS, MapReduce, Hive, and AWS. He is skilled in data warehouse implementation and database design, including ETL/ELT with Azure Data Factory and Apache Airflow and CI/CD pipelines with Docker and Jenkins. Gopal is also an expert in data analysis using statistical techniques, writing complex SQL queries, and object-oriented programming such as Scala, Python, C#, and Java.

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Peter Papai

Freelance HDFS Developer
Verified Expert in Engineering
UTC+07:00
Thailand
Toptal Member Since June 4, 2020

With a PhD in physics, Peter is a developer working in the field of data science. He has five years of full-time experience working on big data projects at a large internet company. Peter has formulated business goals and designed, prototyped, productized, and A/B-tested machine learning algorithms in several areas. His insights gleaned from data have helped stakeholders make impactful business decisions.

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Kimi Yu

Freelance HDFS Developer
Verified Expert in Engineering
UTC+08:00
China
Toptal Member Since July 5, 2022

Kimi is a senior software engineer with cross-expertise in software development and quality assurance. He has been working as a lead back-end developer and building several web applications based on Python and Go. Kimi is proficient in constructing products based on web application frameworks and has mastered knowledge about relational and NoSQL databases and object-relational mapping (ORM). He works efficiently with DevOps tools and is willing to contribute with his skills.

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Pawan Warade

Freelance HDFS Developer
Verified Expert in Engineering
UTC+09:00
Japan
Toptal Member Since May 24, 2024

Pawan is a data engineer with 9+ years of experience in data warehouse design, solution architecture, and managing offshore teams. He implements end-to-end ETL pipelines in Agile with Talend, Informatica, and PySpark and creates modern data lakes with Snowflake. Pawan also works with databases like Teradata, Greenplum, and Hive and drives informed decisions by crafting insightful visualizations with Tableau and Power BI.

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Sung Jun (Andrew) Kim

Freelance HDFS Developer
Verified Expert in Engineering
UTC+10:00
Australia
Toptal Member Since June 18, 2020

As a highly effective technical leader with 20+ years of experience, Andrew specializes in data integration, conversion, engineering, analytics, visualization, science, ETL, big data architecture, analytics platforms, and cloud architecture. He has an array of skills in building data platforms, analytic consulting, trend monitoring, data modeling, data governance, and machine learning. Andrew is a Microsoft Certified Data Engineer Associate and a Microsoft Certified Fabric Analytics Engineer.

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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 HDFS 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 HDFS developer for your project. Average time to match is under 24 hours.
3

The Right Fit, Guaranteed

Work with your new HDFS 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 HDFS 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 HDFS 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 HDFS 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 HDFS developers for your project.

  • At Toptal, we thoroughly screen our HDFS 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 HDFS developers ready to help you achieve your goals.

  • You can hire HDFS 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 HDFS developers can fully integrate into your existing team for a seamless working experience.

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

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