Hire the Top 3% of Freelance SQL Developers

Toptal是一个面向顶级SQL开发人员的市场, engineers, programmers, coders, architects, and consultants. 顶级公司和初创公司选择Toptal SQL自由职业者来完成他们的关键任务软件项目.


Clients Rate Toptal SQL Developers4.5 / 5.0截至2023年11月4日,平均有3698条评论


Matthew Newman

Freelance SQL Developer

United StatesToptal的自由SQL开发人员 Since November 8, 2019

Matthew has over 15 years of experience in database management and software development, 专注于全栈web应用程序. 他擅长Django和Vue.js with expertise deploying to both server and serverless environments on AWS. 他还处理关系数据库和大型数据集.

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Duy Pham

Freelance SQL Developer

VietnamToptal的自由SQL开发人员 Since October 29, 2019

Duy has 20+ years of software development experience using Microsoft's technology stack, primarily with .NET. 他构建高质量和高性能的后端系统,并使用Angular或React等现代框架创建具有良好UX的web应用程序. Duy积极主动,以结果为导向,不仅喜欢编写代码,还喜欢删除代码以确保效率, stable, and flexible software is delivered within the projected scope and budget.

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Juan Manuel Ortiz de Zarate

Freelance SQL Developer

ArgentinaToptal的自由SQL开发人员 Since November 6, 2019

Currently, 胡安是布宜诺斯艾利斯大学的博士候选人, researching the subjects of AI, NLP, and social networks. He has over a decade of professional development experience under his belt. For the last few years, 他一直沉浸在各种类型的数据科学项目中,热爱其中的每一分钟. 胡安喜欢处理数据问题, building prediction models, 学习最先进的技术.

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Vedansh Garg

Freelance SQL Developer

IndiaToptal的自由SQL开发人员 Since October 31, 2019

Vedansh是HackerRank的高级软件工程师,在编写可扩展程序方面有5年以上的经验, Rails和Python中可维护的代码. He has built apps that are being used by 9 million+ developers around the world. He strongly believes in test-driven development (TDD) and communicates really well, 并与全球不同规模的团队合作过. 韦丹什还拥有强大的自由职业背景,曾在硅谷的多家初创公司工作过.

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James Cole

Freelance SQL Developer

CanadaToptal的自由SQL开发人员 Since June 18, 2020

James已经做了25年的独立顾问,使用了广泛的技术和语言. He is passionate about software, 在领导团队的同时,不断提升自己的技能,掌握新技术, conducting JADS, and giving presentations.

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Sergii Petryk

Freelance SQL Developer

CanadaToptal的自由SQL开发人员 Since October 9, 2019

Sergii是一名高级全栈开发人员,在不同行业的软件开发方面拥有超过10年的经验, with the five most recent years focused on React and TypeScript. 作为一名真正了解客户基础设施和痛点的熟练开发人员,他在行业领先的公司中备受尊敬. Sergii also has the hands-on technical aptitude needed to design and build solutions.

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Rui Bernardo

Freelance SQL Developer

PortugalToptal的自由SQL开发人员 Since October 7, 2019

芮有超过12年的工作经验 .NET environment, including ASP.NET, MVC.NET, WCF, SQL Server, SQL Server reporting services, Power BI—and more recently ML.NET. 他是那种把困难的挑战视为扩展知识、加强分析和解决问题能力的机会的人. 芮也是一个具有强烈道德价值观的人,她认为透明和沟通至关重要.

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Alptug Dilek

Freelance SQL Developer

TurkeyToptal的自由SQL开发人员 Since November 14, 2019

Alptug是一个雄心勃勃的问题解决者,他相信与客户的紧密沟通是交付卓越软件的关键. 他是一个全栈Java、Ember和React开发人员. 他最近的一个职业亮点是在Ember的基础上设计和开发了一个前端框架.Js使不同的软件开发团队能够快速、高质量地交付应用程序.

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Donald Windrem

Freelance SQL Developer

United StatesToptal的自由SQL开发人员 Since June 18, 2020

Donald has a wealth of experience—ten plus years with Oracle Database, five years with PostgreSQL, SQL and other databases, 还有五年的Python开发经验. Recently, he’s been working with Django, Linux Shell, JavaScript, HTML, among others. Environment-wise, Donald has worked with global, multicultural development teams, has AWS and GCP experience, and is equally comfortable with agile and waterfall methodologies.

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Adam Diamond

Freelance SQL Developer

United StatesToptal的自由SQL开发人员 Since June 18, 2020

Adam架构和开发数据库和BI解决方案,没有任何不必要的复杂性,可以有效地开发, 能否在紧迫的时间内完成, and are easy to understand, maintain, and expand. His preferred environment includes MS SQL Server, SSIS, and SSRS. He has 20+ years of experience and a 100% project success rate - no failures!

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Weidong Ding

Freelance SQL Developer

CanadaToptal的自由SQL开发人员 Since June 24, 2020

Weidong Ding has proven experience as a senior data/integration architect, 最近专注于SAP数据服务. He's detailed, hands-on, 高效,后台规划全面, designing, and implementing information systems for leading organizations in the banking, transportation, retail, and government sectors. 他有很强的沟通能力和客户服务能力, 与客户和同事合作取得成功.

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Toptal in the press

... 允许公司快速组建具有特定项目所需技能的团队.


Our clients
Thierry Jakicevic
Creating an app for the game
Conor Kenney
Creating an app for the game
Elmar Platzer

没有Toptal就不会有Tripcents. Toptal Projects enabled us to rapidly develop our foundation with a product manager, lead developer, and senior designer. 在60多天的时间里,我们从概念到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. 作为一家初创公司,它们是我们的秘密武器.

Brantley Pace, CEO & Co-Founder


我对我们与Toptal的合作经验非常满意. 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, 甚至通过添加一些很棒的设计元素来增加我们的整体外观.

Paul Fenley, Director

K Dunn & Associates

The developers I was paired with were incredible -- smart, driven, and responsive. 过去很难找到高质量的工程师和顾问. Now it isn't.

Ryan Rockefeller, CEO


Toptal立即理解了我们的项目需求. We were matched with an exceptional freelancer from Argentina who, from Day 1, 沉浸在我们的行业中, 与我们的团队无缝融合, 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为我们提供了一位经验丰富的程序员,他能够立即投入工作并开始做出贡献. It has been a great experience and one we'd repeat again in a heartbeat.

Stuart Pocknee , Principal


We used Toptal to hire a developer with extensive Amazon Web Services experience. 我们面试了四位候选人,其中一位非常符合我们的要求. 这个过程迅速而有效.

Abner Guzmán Rivera,首席技术官和首席科学家

Photo Kharma

Sergio是一个很棒的开发者. 一流,反应迅速,工作效率高.

Dennis Baldwin,首席技术专家和联合创始人


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


We needed a expert engineer who could start on our project immediately. 西马纳斯的工作超出了我们的预期. 不需要采访和追踪专家开发人员是一种非常节省时间的方法,并且让每个人都对我们选择切换平台以使用更健壮的语言感到更舒服. Toptal使这一过程变得简单方便. Toptal现在是我们寻求专家级帮助的首选之地.

Derek Minor, Web开发高级副总裁

Networld Media Group

Toptal的开发人员和架构师都非常专业,也很容易共事. The solution they produced was fairly priced and top quality, reducing our time to launch. Thanks again, Toptal.

Jeremy Wessels, CEO


我们与Toptal合作非常愉快. 他们为我们的应用程序找到了完美的开发人员,让整个过程变得非常简单. 它也很容易超出最初的时间框架, 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


我对Toptal印象深刻. Our developer communicates with me every day, and is a very powerful coder. 他是一个真正的专业人士,他的工作非常出色. 5 stars for Toptal.

Pietro Casoar, CEO

Ronin Play Pty Ltd

与Toptal合作是一次很棒的经历. Prior to using them, 我花了相当多的时间面试其他自由职业者,但没有找到我需要的. 在与Toptal合作后,他们在几天内就为我找到了合适的开发者. 与我一起工作的开发人员不仅提供高质量的代码, but he also makes suggestions on things that I hadn't thought of. 我很清楚,阿莫里知道自己在做什么. 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是我唯一愿意推荐的地方. Toptal的所有候选人都是精英中的精英. Toptal是我在近5年的专业在线工作中发现的性价比最高的网站.

Ethan Brooks, CTO

Langlotz Patent & Trademark Works, Inc.

In Higgle's early days, 我们需要一流的开发者, at affordable rates, in a timely fashion. Toptal delivered!

Lara Aldag, CEO


Toptal能让你轻松找到合适的人选,让你放心,因为他们有能力. 我肯定会向任何寻找高技能开发人员的人推荐他们的服务.

Michael Gluckman, Data Manager


Toptal’s ability to rapidly match our project with the best developers was just superb. 开发人员已经成为我们团队的一部分, 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


Toptal让寻找合格的工程师变得轻而易举. We needed an experienced ASP.. NET MVC架构来指导我们的启动应用程序的开发, and Toptal had three great candidates for us in less than a week. 在做出我们的选择后,工程师立即在线并开始工作. It was so much faster and easier than having to discover and vet candidates ourselves.

Jeff Kelly, Co-Founder

Concerted Solutions

我们需要一些Scala的短期工作,Toptal在24小时内为我们找到了一位优秀的开发人员. This simply would not have been possible via any other platform.

Franco Arda, Co-Founder


Toptal为快速发展和规模化的企业提供不妥协的解决方案. 我们通过Toptal签约的每一位工程师都迅速融入了我们的团队,并在保持惊人的开发速度的同时,将他们的工作保持在最高的质量标准.

Greg Kimball, Co-Founder





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 SQL developer for your project. 平均匹配时间在24小时以下.

The Right Fit, Guaranteed

Work with your new SQL developer for a trial period (pay only if satisfied), 在订婚前确保他们是合适的人选.




  • Toptal SQL开发人员有何不同?

    At Toptal, 我们彻底筛选我们的SQL开发人员,以确保我们只匹配您的人才的最高水平. Of the more than 200,每年有5000人申请加入Toptal网络, fewer than 3% make the cut. 你将与工程专家(而不是一般的招聘人员或人力资源代表)一起了解你的目标, technical needs, and team dynamics. 最终的结果是:经过专家审查的人才从我们的网络,定制匹配,以满足您的业务需求.

  • Can I hire SQL developers in less than 48 hours through Toptal?

    取决于可用性和进度, you could start working with a SQL developer within 48 hours of signing up.

  • Toptal SQL开发人员的无风险试用期是什么?

    我们确保您和您的SQL开发人员之间的每次约定都从长达两周的试用期开始. This means that you have time to confirm the engagement will be successful. 如果你对结果完全满意, we’ll bill you for the time and continue the engagement for as long as you’d like. 如果您不完全满意,我们不会向您收费. From there, we can either part ways, 或者我们可以为您提供另一位可能更合适的专家,我们将与他开始第二轮谈判, no-risk trial.

Tap Into World-Class Talent

  • Trusted Experts Only

    Trusted Experts Only

    我们所有的人才都是经验丰富的专家,他们的成长速度很快, 乐于作为核心团队成员做出贡献, 和你一起努力,尽量缩短入职时间.

  • The Right Fit

    The Right Fit

    我们有办法帮你找到合适的衣服. 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

    我们处理账单、付款和保密协议的所有方面. Let us take care of the overhead while you focus on building great products.

  • Flexible Engagements

    Flexible Engagements

    选择适合你需要的约定类型——每小时, part-time, 或者全职——随时可以改变.

  • Expert Talent Matching

    Expert Talent Matching



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