Hire the Best Kotlin Developers Near Philadelphia

Toptal is a marketplace for top remote Kotlin developers. Top companies and start-ups in Philadelphia choose Toptal Kotlin freelancers for their mission-critical initiatives.

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Hire remote Kotlin developers near Philadelphia or in a similar time zone

View Christopher

Christopher Luu

Freelance Kotlin Developer

United StatesToptal Member Since April 30, 2020

Christopher is a full-stack, multiplatform developer with a passion for highly maintainable, readable, and portable code across all facets of application development. Since focusing on mobile development when the original iPhone came out, he has a proven track record of deploying over 30 apps to the Apple App Store and Google Play Store. He has a keen interest in finding scalable solutions to help solve tough engineering problems in service of developing a delightful user experience.

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KotliniOSSwiftJavaObjective-C
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Eliran Ben Ezra

Freelance Kotlin Developer

United StatesToptal Member Since May 9, 2016

Over a twenty-year career that started when he was fourteen years old, Eliran has done most of his work in the gambling industry, where he designed and developed games, electronic circuit boards and their firmware, device drivers, management web sites, and interconnected systems.

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Chris Powell

Freelance Kotlin Developer

United StatesToptal Member Since February 23, 2019

Chris is an experienced Android developer that has delivered quality applications across multiple industries. He has nearly 15 years of experience and holds a Master of Science degree in Computer Science from New York University. He primarily uses Kotlin, Android SDK, JUnit, RxJava, and MVVM.

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Greg Ennis

Freelance Kotlin Developer

United StatesToptal Member Since July 27, 2015

Greg is an expert mobile developer with years of experience building native Android applications. He has worked to bring mobile solutions to everyone from small startups to large corporations such as Motorola, Turner Broadcasting, and Cox Communications.

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KotlinJavaMobile App DevelopmentAndroid StudioMobile DevelopmentAndroidMobileAndroid SDK
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Jeff Johnson

Freelance Kotlin Developer

United StatesToptal Member Since October 28, 2020

Jeff has five years of varied Android experience. It is both his specialty and passion. He has worked with Fortune 100 companies to implement and refine their mobile app vision to greenfield R&D work with a startup on mobile SDKs to support computer vision. Jeff will bring your Android app to life. Equally comfortable making architectural improvements and fixing bugs as plotting out and building something new, Jeff would love to help you with all things Android.

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KotlinAndroid
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Santiago Vanegas Gil

Freelance Kotlin Developer

ColombiaToptal Member Since November 24, 2016

Santiago is a software engineer who's passionate about computer science, algorithms, and data structures. He's been working with Android since 2016 with a mostly US clientele and has some experience with simple back-end projects. Santiago has also led teams in agile environments to bring features from conception to launch, working closely with BA/QA and other disciplines.

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KotlinRubyJavaAndroid
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Iuri Alexandre Cernov de Oliveira Barbosa

Freelance Kotlin Developer

BrazilToptal Member Since January 25, 2017

Iuri Cernov is the type of developer who has a linear thought process for solving problems, divides his work into small parts, and does everything possible to ensure the quality of the final product. He is also passionate about mobile apps and new technologies, having experience in native Android and iOS, and React Native framework.

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KotlinAndroid
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Alexandre Augustus

Freelance Kotlin Developer

BrazilToptal Member Since September 22, 2019

Along with product and leadership skills, Alexandre is a developer with several years of hands-on experience and technical expertise. This hard-to-come-by skillset has helped him translate business and user needs while overcoming technical challenges to build excellent products. A notable example of this is when Alexandre helped PagSeguro transition into a unicorn company by transforming their digital wallet app into a full digital bank.

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KotlinJavaScriptJavaPythonSQLReact NativeDjangoReactReact ReduxApiary APIDjango ORMAgileiOS
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Wellington Guimaraes

Freelance Kotlin Developer

BrazilToptal Member Since February 29, 2016

Wellington is a full-stack developer with over a decade of experience in all phases of the web development process: analysis, UI/UX design, and client and server-side programming. He's one of those lucky programmers with real design abilities so in the front end, he codes with flair and visual appeal. He's passionate about challenges, innovation, and making people’s lives easier. He communicates well and has worked in big and small teams.

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KotlinC#GraphQLJavaScriptCSSJavaCSS3SassTypeScriptHTML5BabelExpress.jsReact
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Nelson Puglisi

Freelance Kotlin Developer

ArgentinaToptal Member Since October 30, 2015

Nelson is a passionate and experienced software crafter with over fifteen years of professional experience, seven of which focused on Android development. He is a TDD enthusiast and clean code advocate who delivers high-quality, well-crafted apps that have greatly improved the performance of client projects. He's a dedicated team leader with an engaging and effective management style. His experience creating SDKs using the most popular libraries ensures superior-performing products.

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KotlinAndroidMobile DevelopmentGoogle Play StoreTrelloAgile Software DevelopmentCertified Scrum MasterTest-driven Development (TDD)
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Johan Hernandez

Freelance Kotlin Developer

ColombiaToptal Member Since January 3, 2012

Johan is a mobile app and cloud back-end developer with over 15 years of experience. He's been telecommuting for startups in the USA since 2010. He has worked with enterprise stacks for a number of years, but more recently his primary focus has been on building native apps for mobile and desktop (Mac, iOS, Android and Windows) using Swift, Objective-C, Java, Kotlin, and C#. He also builds his own RESTful back-ends with Rails, Node, and Golang.

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KotlinJavaScriptXMLSQL-99Objective-CJavaC#SwiftRuby.NETRuby on Rails (RoR)jQueryMicrosoft Visual Studio

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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

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

WhatAdsWork.com

Toptal offers a no-compromise solution to businesses undergoing rapid development and scale. Every engineer we've contracted through Toptal has quickly integrated into our team and held their work to the highest standard of quality while maintaining blazing development speed.

Greg Kimball, Co-Founder

nifti.com

How to Hire Kotlin Developers Near Philadelphia

1

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.
2

Work With Hand-Selected Talent

Within days, we'll introduce you to the right Kotlin developer for your project. Average time to match is under 24 hours.
3

The Right Fit, Guaranteed

Work with your new Kotlin 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 Kotlin Publications

Boldizsar Akos Mezei
EngineeringBack-end

Using Kotlin for Back-end Development: A Quick Overview

by Boldizsar Akos Mezei
Tomasz Czura
EngineeringTechnology

Discover the Benefits of Android Clean Architecture

by Tomasz Czura
Abhishek Tyagi
EngineeringMobile

Better Android Apps Using MVVM with Clean Architecture

by Abhishek Tyagi
View More Kotlin Articles

Top Kotlin Developers are in High Demand.

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