Hire the Top 3% of 自由SPARQL开发人员

Toptal是一个面向顶级SPARQL开发人员的市场, engineers, programmers, coders, architects, and consultants. Top companies and startups choose Toptal SPARQL freelancers for their mission-critical software projects.

无风险试用，满意才付款.

受到领先品牌和初创公司的信任

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雇佣自由的SPARQL开发人员和工程师

csamar Montaña，雇佣自由SPARQL开发人员.
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César Montaña

自由SPARQL开发人员
New ZealandToptal Member Since May 4, 2021

César believes good data allows organizations to be ahead of the competition by creating baselines, benchmarks, 目标是基于证据的. 他有SQL Server认证 .NET developer with 15 years of experience designing and building strategic data platforms that host huge amounts of data, solving problems, and supporting performance issues for companies from all over the world. You can trust César to maintain your data and translate it into a usable form via models, reports, and dashboards.

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SPARQL商业智能(BI)SQL Server集成服务(SSIS)
易卜拉欣·穆罕默德·艾哈迈德博士.D.，雇佣自由职业者SPARQL程序员.
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易卜拉欣·穆罕默德·艾哈迈德博士.D.

自由SPARQL开发人员
AustraliaToptal Member Since April 22, 2019

Ibrahim is a veteran data scientist and software developer with a passion for deep learning and extensive experience in statistics and time series. Ibrahim is interested in helping businesses take full advantage of their data and take data-driven actions. 他的原则是观察, model, and corroborate, 用人工智能颠覆现状.

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SPARQLUbuntuGIS.NETEsriMicrosoft SQL ServerOracleScikit-learnWindowsAzure机器学习亚马逊网络服务(AWS)自然语言处理(NLP)谷歌云平台(GCP)
Vincent Fazio, SPARQL自由职业者.
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Vincent Fazio

自由SPARQL开发人员
United StatesToptal Member Since 2019年2月25日

Vincent is an agile software development leader specializing in software craftsmanship, 项目管理, 有效的沟通, and technical creativity to deliver business value through software reliably. As an experienced application architect specializing in designing secure, scalable, 可靠的解决方案, 他在开发几款高质量产品方面发挥了重要作用, 灵活的全栈软件解决方案. 他能够迅速适应新的和不断变化的业务需求.

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SPARQL亚马逊网络服务(AWS)JavaSQLAgileAmazon EC2AWS LambdaAmazon S3 (AWS S3)雅加达EE设计模式
Maciej Jarka, SPARQL编程专家.
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Maciej Jarka

自由SPARQL开发人员
PolandToptal Member Since June 18, 2020

Maciej is an ETL, BI, and big data engineer who's eager to share his knowledge and experience. 他有十多年的国际工作经验, gained in projects spanning from data integration to analytics while working for industry leaders such as ING (banking) and Roche (pharma). Maciej is also quite handy with several tools including Snowflake, Netezza, Informatica, 和DataStage(他是经过认证的IBM DataStage培训师).

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SPARQLETLDatabasesData WarehousingData Pipelines数据仓库设计SnowflakeSQLData Modeling
Ivan Vasilev，自由SPARQL工程师.
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Ivan Vasilev

自由SPARQL开发人员
BulgariaToptal Member Since 2012年11月15日

Ivan is an enthusiastic software engineer and machine learning researcher. 他的经验涉及许多领域和技术, 但他的主要关注点是深度学习, Python, 算法交易, and Java. Ivan已经写了三本书，并且有几个开源项目.

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SPARQLKerasPyTorch人工智能(AI)算法交易Deep LearningPythonMachine Learning深度神经网络PostgreSQLCaffeTensorFlowPandas
George Cosma, SPARQL自由职业者.
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George Cosma

自由SPARQL开发人员
RomaniaToptal Member Since October 21, 2022

George is a senior full-stack engineer specializing in functional programming. 具有8年以上的专业经验, 他在不同的行业工作过, 包括旅游, online payments, 股票市场, 云存储. George likes to solve complex problems and is eager to leverage his vast skillset and embrace new challenging projects.

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SPARQLLinuxProgrammingClojureHaskellTypeScriptSQLExpress.jsNode.jsJavaScriptAWS Lambda亚马逊API网关Full-stack
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在全网中发现更多的SPARQL开发人员

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Trustpilot
总体优势

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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报纸上铺天盖地

... 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
为游戏制作应用程序
Conor Kenney
为游戏制作应用程序
引领数字化转型
Elmar Platzer
引领数字化转型
构建一个跨平台的应用程序，在全球范围内使用
构建一个跨平台的应用程序，在全球范围内使用
挖掘实时数据将改变行业的游戏规则
挖掘实时数据将改变行业的游戏规则
Testimonials
没有Toptal就不会有Tripcents. Toptal Projects enabled us to rapidly develop our foundation with a product manager, lead developer, 高级设计师. 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. 我们将继续使用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, 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. 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, 理解我们的愿景, 并产生了一流的结果. 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

如何通过Toptal雇佣SPARQL开发人员

1

与我们的行业专家交谈

A Toptal director of engineering will work with you to understand your goals, technical needs, 团队动力.
2

与精心挑选的人才一起工作

Within days, we'll introduce you to the right SPARQL developer for your project. 平均匹配时间在24小时以下.
3

绝对合适

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

寻找拥有相关技能的专家

Access a vast pool of skilled developers in our talent network and hire the top 3% within just 48 hours.

Neo4j DevelopersSpark DevelopersSQL Developers卡桑德拉的开发人员xQuery开发者软件架构师GraphQL开发者Spring开发者

FAQs

  • Toptal SPARQL开发人员有何不同?

    At Toptal, we thoroughly screen our SPARQL developers to ensure we only match you with talent of the highest caliber. 在200多个中,每年有5000人申请加入Toptal网络, 只有不到3%的人能达标. You’ll work with engineering experts (never generalized recruiters or HR reps) to understand your goals, technical needs, 团队动力. The end result: expert vetted talent from our network, custom matched to fit your business needs.

  • 我可以在48小时内通过Toptal雇佣SPARQL开发人员吗?

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

  • Toptal SPARQL开发人员的无风险试用期是多长?

    We make sure that each engagement between you and your SPARQL developer begins with a trial period of up to two weeks. 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, 我们要么分道扬镳, 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.

挖掘世界级人才

  • 仅限值得信赖的专家

    仅限值得信赖的专家

    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.

  • 灵活的活动

    灵活的活动

    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.

  • 专家人才匹配

    专家人才匹配

    Focus on your project and enjoy support from your dedicated account executive and expert talent matcher.

顶尖的SPARQL开发人员需求量很大.

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