How are Toptal ÐApp developers different?

At Toptal, 我们彻底筛选我们的ÐApp开发人员，以确保我们只为您匹配最高水准的人才. Of the more than 200,000 people who apply to join the Toptal network each year, 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 ÐApp developers in less than 48 hours through Toptal?

Depending on availability and how fast you can progress, 您可以在注册后48小时内开始与ÐApp开发人员合作.

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

我们确保您和您的ÐApp开发人员之间的每次约定都以长达两周的试用期开始. 这意味着你有时间确认订婚是否成功. If you’re completely satisfied with the results, 我们会给你开时间单的，你愿意多久我们就多久. If you’re not completely satisfied, you won’t be billed. 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.

Hire the Top 3% of Freelance ÐApp Developers

Toptal is a marketplace for top ÐApp developers, engineers, programmers, coders, architects, and consultants. 顶级公司和初创公司选择Toptal ÐApp自由职业者为他们的关键任务软件项目.

Hire a Top ÐApp Developer Now

No-Risk Trial, Pay Only If Satisfied.

Trusted by leading brands and startups

Watch the case study

Hire Freelance ÐApp Developers and Engineers

View David

David Mihal

Freelance ÐApp Developer

United StatesToptal Member Since January 8, 2017

大卫成年后一直在开发网站和网络应用程序. As a software engineer, 他曾在许多不同的软件公司工作过，从早期创业公司到谷歌. David is experienced with many web frameworks and environments, but he particularly enjoys developing with Meteor.js. 他理解高质量代码的重要性，以及满足进度要求的必要性.

ÐApp Chrome Extensions Meteor JavaScript Software Development + more

View Michal

Michal Mikolajczyk

Freelance ÐApp Developer

PolandToptal Member Since September 17, 2014

Michal是Toptal Warsaw的高级软件工程师和社区领导者. 他善于沟通，主动帮助创业公司扩大规模. Michal writes clean, functional code, automates infrastructure, and enjoys coordinating and scoping tasks. 作为一名前数字游民，Michal在会议上发言，并为Toptal Blog撰写文章. 他的专业兴趣包括区块链和人工智能.

ÐApp Serverless AWS Amplify Firebase Unit Testing CSS Bulma AWS Lambda NoSQL TypeScript REST APIs Amazon EC2 Full-stack + more

View Radek

Radek Ostrowski

Freelance ÐApp Developer

ThailandToptal Member Since September 24, 2014

Radek是Toptal区块链认证工程师，对以太坊和智能合约特别感兴趣. 在法币领域，他在大数据和机器学习项目方面经验丰富. 他是两次不同的国际IBM Apache Spark竞赛的三连冠得主, co-creator of PlayStation 4's back end, a successful hackathon competitor, and a speaker at conferences in Australia, Poland, and Serbia.

ÐApp Git Android Web3.js Truffle Solidity Blockchain Ethereum Machine Learning Agile Software Development Spark SQL Docker Apache Spark + more

View Eqbal

Eqbal Quran

Freelance ÐApp Developer

JordanToptal Member Since June 13, 2014

Eqbal是一名高级全栈开发人员，拥有超过十年的web和移动开发经验. 他是解决问题的高手，并拥有广泛的成品专业产品组合.

ÐApp Data Analysis Node.js Amazon Web Services (AWS)MacOS Bitbucket Redis Amazon EC2 Ruby Agile Software Development Behavior-driven Development (BDD)Git Sublime Text + more

View Alexander

Alexander Popov

Freelance ÐApp Developer

ThailandToptal Member Since July 8, 2014

Alexander是一名软件开发人员，在不同领域拥有广泛的知识和丰富的专业知识, mostly blockchain, Python, and Node.js. 他从事尖端技术的工作，并总是期待新的挑战. Alexander works well in a team or as a single developer.

ÐApp CSS AWS Lambda Amazon Web Services (AWS)Expo Truffle Blockchain Ethereum React React Redux PostgreSQL Qt Node.js + more

View Dan

Dan Napierski

Freelance ÐApp Developer

United StatesToptal Member Since April 28, 2016

Dan是一名专注于区块链技术应用的软件架构师和技术专家. 他拥有多年的专业咨询服务经验，为从初创公司到跨国公司的客户提供服务. 他擅长将严格的测试和防弹代码引入棘手的工程挑战. He has deep expertise in many aspects of artificial intelligence, blockchain, machine learning, and automation.

ÐApp Blockchain Fintech Cryptocurrency .NET Machine Learning Windows RESTful Web Services Agile Software Development Artificial Intelligence (AI)C#Web App Development API Design + more

Discover More ÐApp Developers in the Toptal Network

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THE TOPTAL ADVANTAGE

在无风险试用后，98%的Toptal客户选择雇用我们的人才.

Toptal的筛选和匹配过程确保卓越的人才与您的精确需求相匹配.

Start Hiring

Trustpilot

THE TOPTAL ADVANTAGE

在无风险试用后，98%的Toptal客户选择雇用我们的人才.

Toptal的筛选和匹配过程确保卓越的人才与您的精确需求相匹配.

Start Hiring

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.

尽管对程序员的需求在不断增加，但Toptal对自己近乎常春藤联盟级别的审查感到自豪.

Our clients

Creating an app for the game

Leading a digital transformation

Building a cross-platform app to be used worldwide

Drilling into real-time data creates an industry game changer

Testimonials

Tripcents wouldn't exist without Toptal. Toptal Projects使我们能够与产品经理一起快速发展我们的基金会, 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. Toptal团队是tripcents的一部分，就像tripcents的任何内部团队成员一样. 他们像其他人一样贡献并拥有开发的所有权. 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. 和我一起工作的专业人员在几个小时内就和我通了电话. 在和他讨论了我的项目后，我知道他就是我想要的候选人. 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

与我合作的开发者都非常出色——聪明、有动力、反应灵敏. 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使与高级开发人员和程序员的联系变得非常容易.

Jason Kulik

Co-Founder

作为一家资源有限的小公司，我们不能犯代价高昂的错误. 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. 这是一次很棒的经历，我们会马上再来一次.

Stuart Pocknee

Principal

How to Hire ÐApp Developers through Toptal

Talk to One of Our Industry Experts

Toptal的工程总监将与您一起了解您的目标, technical needs, and team dynamics.

Work With Hand-Selected Talent

几天之内，我们将为您的项目介绍合适的ÐApp开发人员. Average time to match is under 24 hours.

The Right Fit, Guaranteed

与您的新ÐApp开发人员一起试用一段时间(只在满意的情况下付费), ensuring they're the right fit before starting the engagement.

Find Experts With Related Skills

在我们的人才网络中访问大量熟练的开发人员，并在48小时内雇用最优秀的3%.

Web3.js Developers Solidity Developers Cryptocurrency Developers Smart Contract Developers NFT Developers Ganache Developers Blockchain Developers Altcoin Developers

FAQs

How are Toptal ÐApp developers different?
At Toptal, 我们彻底筛选我们的ÐApp开发人员，以确保我们只为您匹配最高水准的人才. Of the more than 200,000 people who apply to join the Toptal network each year, 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 ÐApp developers in less than 48 hours through Toptal?
Depending on availability and how fast you can progress, 您可以在注册后48小时内开始与ÐApp开发人员合作.
What is the no-risk trial period for Toptal ÐApp developers?
我们确保您和您的ÐApp开发人员之间的每次约定都以长达两周的试用期开始. 这意味着你有时间确认订婚是否成功. If you’re completely satisfied with the results, 我们会给你开时间单的，你愿意多久我们就多久. If you’re not completely satisfied, you won’t be billed. 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
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
We have a knack for matching you with the right fit. 在无风险的试用期开始和你的新员工一起工作，只在满意的情况下付钱.
Scale as Needed
在48小时内雇佣人才，根据需要扩大或缩小团队规模，没有任何附加条件.
Seamless Hiring
We handle all aspects of billing, payments, and NDA’s. 当你专注于创造伟大的产品时，让我们来照顾你的开销.
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
专注于您的项目，享受您的专业客户经理和专家人才匹配的支持.