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Ryan Zotti

Freelance SQL Developer

A data scientist and data engineer, Ryan can take projects from concept to deployment. He is a machine learning expert with a knack for impactful data visualizations. Ryan has collaborated with innovators in diverse fields, presented at tech conferences, and co-authored groundbreaking research papers in respected journals such as the Lancet. He is also the author of a popular autonomous vehicle project on GitHub.

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Roman Polonsky

Freelance SQL Developer

Roman is a senior IT professional, creating sustainable, flexible solutions. He has over 20 years of experience working for consulting companies, startups, and large corporations across multiple systems. He has a deep understanding of SQL queries for complex data analysis, profiling, and transformation and has successfully implemented relational, multidimensional, and object-oriented database models for clients.

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Pavlo M Kurochka

Freelance SQL Developer

Pavlo is an experienced professional who has designed, developed, and deployed data migrations and data integrations for dozens of successful projects of different sizes. He knows how many ERP, CRM, PLM, billing, and document management systems work inside and utilizes his experience using the latest tools and technologies. He gets along great with colleagues: once people get to know him, they always want him in their team.

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Seetha Venkatadri

Freelance SQL Developer

Seetha is a SQL and ETL expert with over six years of industry experience dealing with data. She has successfully implemented and delivered several database projects for multiple clients—on time and exceeding expectations. Seetha completed her data engineering fellowship with Insight Data Science in 2018 and subsequently worked at an insurance tech startup as the sole data engineer setting up data warehousing and analytics platform for the team

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Jay Gunderson

Freelance SQL Developer

Jay has over 25 years of experience in programming and DBA consultations with both engineering companies and IT organizations in Silicon Valley. As an expert back-end developer, he delivers high-performance Oracle and SQL Server data APIs that are a dream for any front-end team working on web/RDBMS solutions. Jay also excels at coding front-end web applications, most recently, working with the ASP.NET platform with the MVC framework.

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Phil Greenberg

Freelance SQL Developer

Phil started his career as a software engineer but quickly discovered that his true passion centered around product management. Over the course of his career, he's successfully occupied a variety of roles across product and engineering—managing teams of up to 12 people and three different SaaS products from idea through launch.

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Neal Barnett

Freelance SQL Developer

Neal is a senior consultant and database expert who brings a wealth of knowledge and over two decades of experience to the table. He is well versed in security, performance optimization, upgrades, platform configuration, and schema changes. He has touched every aspect of database handling, from architecture and hands-on development to project management.

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Marianna Petrovich

Freelance SQL Developer

For over the past two decades, Marianna has been working as a database developer and a full-stack .NET developer—primarily focusing on databases. Database development is her strongest suit (tuning, programming, ETL processes, and more). She's worked with well-known corporations such as CBS, Lifetime Television, and Universal Studios. Marianna is looking for projects that deal with new reporting tools and different types of databases.

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Matthew Michael Vagnoni

Freelance SQL Developer

Matthew is a natural leader who loves to solve problems and take the initiative. He has excellent verbal and writing skills and two Master's degrees. He enjoys taking on tricky problems.

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Andreas "Rayo" Kniep

Freelance SQL Developer

Rayo has worked in the software industry since 1999, but his passion for writing software began when he started developing computer games at age 13. He has taught Theoretical Computer Science at the Technical University of Berlin before successfully co-founding Linklift, a company in the SEO-space. He is a fullstack developer with back-end focus who loves to implement systems and constantly fine-tune his programming and architectural skills.

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Toptal in the press

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Despite accelerating demand for coders, Toptal prides itself on almost Ivy League-level vetting.

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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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Hire SQL Developers Seamlessly with 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 SQL developer for your project. Average time to match is under 24 hours.
3

The Right Fit, Guaranteed

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

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 SQL Publications

Leonid Draginsky
EngineeringData Science and Databases

Oracle to SQL Server and SQL Server to Oracle Migration Guide - Pt. 3

by Leonid Draginsky
Leonid Draginsky
EngineeringData Science and Databases

Oracle to SQL Server and SQL Server to Oracle Migration Guide - Pt. 2

by Leonid Draginsky
Leonid Draginsky
EngineeringData Science and Databases

Oracle to SQL Server and SQL Server to Oracle Migration Guide

by Leonid Draginsky
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