Hire the Top 3% of Freelance CSV Developers

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

No-Risk Trial, Pay Only If Satisfied.

Hire Freelance CSV Developers and Engineers

Cliff Buckley

Freelance CSV Developer
United StatesToptal Member Since September 19, 2022

Cliff is a database developer with over a decade of experience in various roles within IT, from hardware support to management. He has led multiple teams, refactored poor-performing systems, and designed systems from scratch. Cliff excels with SQL, Oracle, Bash, Linux, and data warehouse design.

Show More

Suhail Singh Bains

Freelance CSV Developer
CanadaToptal Member Since October 6, 2020

Suhail is a talented MuleSoft professional passionate about updating, refreshing, and modernizing legacy architecture. He developed a safety app that sends information to the local police with the touch of a button, providing a link to the IMEI number for tracking and a timestamp of the location. Suhail has contributed to MuleSoft documents and communities, giving countless presentations and talks on Azure, GitHub, and MuleSoft, inspiring others to work with MuleSoft and Salesforce technologies.

Show More

Joao Cotrim

Freelance CSV Developer
PortugalToptal Member Since December 20, 2022

Joao has been working as a data engineer since 2009. In the last two years, he mainly worked on energy and utilities projects with different responsibilities, from developer to technical lead on a ten-element team. Joao is keen on problem-solving and constantly searches for the best solution. He works well independently but enjoys working in a group, learning, and sharing knowledge. He is very familiar with Agile-Scrum and ServiceNow, not only as an end user but also as a data source.

Show More

Gurgen Hovhannisyan

Freelance CSV Developer
United KingdomToptal Member Since April 22, 2016

Gurgen is a senior software engineer currently specializing in development and scripting. He thrives in small teams as a team leader or alone as a developer. He has over five years of experience as a team lead and values and provides high-quality code and attention to detail. Gurgen is very motivated and has experience in various areas, including high- and low-level programming.

Show More

Skerdilaid Gjoni

Freelance CSV Developer
AlbaniaToptal Member Since February 18, 2022

Skerdi has been a software developer since 2014. In addition to specializing in the full range of Salesforce technologies, he has worked with Java and other tech stacks. While working for IT solutions companies based in Germany, Italy, and Albania, Skerdi delivered projects across many industries and led one small development team. His hands-on experience is backed by a bachelor's and a master's degree in computer science from the University of Tirana's Faculty of Natural Sciences.

Show More

Yahia Mahmoud

Freelance CSV Developer
EgyptToptal Member Since January 9, 2024

Yahia is an experienced data analyst and web scraper with nearly three years of experience. He has focused on cleaning tasks, building scraping scripts, and analyzing data for companies in Germany, Canada, and Egypt. Yahia specializes in data analysis, Python, Selenium, Beautiful Soup, Microsoft Excel, SQL, and MongoDB.

Show More

Lukas Sirsinaitis

Freelance CSV Developer
LithuaniaToptal Member Since July 24, 2020

With an academic background in finance and healthcare, Lukas excels at solving business problems using machine learning. Lukas' most commonly used tools are Python, SQL, and Spark. He has 5+ years of experience in NLP and recommender systems. He is a developer with multiple certifications, including Google Data Engineer and Azure AI Engineer, capable of working with pipelines in the cloud. His previous experience includes working with IBM Global Business Services and IBM Research.

Show More

Dwight Dale Cummings, M.Sc.

Freelance CSV Developer
JamaicaToptal Member Since June 18, 2020

Dwight, an experienced Python software and data engineer, has built a diverse career marked by a passion for problem-solving and learning. With computer science and MIS degrees, he's held roles such as Python RPA engineer, data engineer, and Oracle consultant. Dwight's skills include Python, SQL, PL/SQL, and PostgreSQL. He excels in industries like healthcare, finance, and telecom. He is warm, inquisitive, and an outstanding communicator.

Show More

Ajay Dabas

Freelance CSV Developer
IndiaToptal Member Since April 13, 2022

Ajay is a seasoned software engineer with a wealth of experience in full-stack development and DevOps (CI/CD). His expertise in cloud-based systems spans across AWS, GCP, & Azure. He has successfully led & delivered numerous projects utilizing React, Node.js, TypeScript, Python, Next.js, SQL databases, MongoDB, etc. His impressive portfolio showcases his ability to take on complex challenges & deliver high-quality solutions. Ajay wants to work with a passionate team in a mission-driven company.

Show More

Jakub Kaczanowski

Freelance CSV Developer
AustraliaToptal Member Since June 18, 2020

Jakub started taming data nearly 20 years ago, building Access databases in the oil and gas sector. Since then, he's built data solutions for various Australian financial and government clients, co-founded a fintech startup, and freelanced for US and EU multinationals. An expert in BI, analytics, and data warehouse architecture and development, Jakub is much more than a technical resource; he has a sound understanding of the role of insightful data and its commercial application.

Show More

Marius Nicola

Freelance CSV Developer
RomaniaToptal Member Since October 29, 2015

As a software developer with a background in desktop publishing and management, Marius understands the importance of seeing the bigger picture and tracking the smallest detail. He specializes in full-stack, scalable web applications and has great expertise with C#, HTML, CSS, jQuery, SQL, and Shopify.

Show More

Discover More CSV Developers in the Toptal Network

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

The Right Fit, Guaranteed

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


  • How are Toptal CSV developers different?

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

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

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

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

Start Hiring