Hire the Top 3% of Freelance GSON Developers

Toptal is a marketplace for dedicated GSON developers, engineers, programmers, coders, architects, and consultants. Top companies and startups choose Toptal GSON freelancers for their mission-critical GSON development projects.

No-Risk Trial, Pay Only If Satisfied.

Hire Freelance GSON Developers and Engineers

Simon Cierniewski

Freelance GSON Developer
PolandToptal Member Since November 21, 2018

Simon is an experienced Android developer with a real passion for mobile applications and a solid academic background. For over five years he gained the experience in both – building new applications from scratch in a software house, and maintaining a well-known application with over 10 million users. He feels a deep responsibility for the quality of his source code and ensures that proposed architecture will be easily maintained for many years.

Show More

Stanislav Novachevskyi

Freelance GSON Developer
SpainToptal Member Since March 25, 2016

Stanislav is a results-oriented Android developer with over five years of experience writing highly readable, clean, and maintainable source code. He's developed several applications for Android that offer users an intuitive, friendly interface and successfully executed several updates to existing applications. Stanislav is passionate about quality and maintainability regarding code and application architecture.

Show More

Adi Prijic

Freelance GSON Developer
Bosnia and HerzegovinaToptal Member Since March 29, 2022

Adi is a seasoned Android developer with almost six years of experience developing mobile apps. The most complex application he's worked on is Naga, a trading app with an extensive scope and multiple features, including a crypto wallet. Currently working at Bugatti Rimac, he is developing a mobile app for the world's fastest electric hypercar. Adi is keen on clean code architecture and skilled in several technologies, programming languages, and frameworks.

Show More

Lukas Nowak

Freelance GSON Developer
PolandToptal Member Since February 15, 2019

Lukas is an expert Android developer who’s gained in-depth experience working in diverse environments from startups to corporations from solo projects to large teams. Using the best methodologies, tools, and architectures, Lukas has built and deployed a number of different applications—among them, is a mobile-first banking app for one of the biggest German companies in fintech.

Show More

Oleksandr Rabinovych

Freelance GSON Developer
BulgariaToptal Member Since February 1, 2016

Oleksandr has developed many sophisticated Android projects as well as some web projects and apps for embedded systems. He is a talented, creative expert in his field who loves tasks requiring lateral thinking. He is also a quick study who loves tackling new tech. At the same time, Oleksandr is an easy-going and understanding person which greatly contributes to an enjoyable and cooperative work atmosphere when working with others.

Show More

Damian Marusic

Freelance GSON Developer
CroatiaToptal Member Since July 18, 2019

Damian is an Android engineer and a team lead specialized in developing apps for the Android ecosystem. With experience in building large and security-sensitive applications, he has developed analytical skills, wireframing and prototyping techniques, and coding best practices to develop quality and secure software. His utmost priority in all of his projects is to deliver high-quality products on time.

Show More

Danijel Sokač

Freelance GSON Developer
CroatiaToptal Member Since July 29, 2019

Danijel is an Android developer with a demonstrated history of working in the information technology and services industry. He's developed various Android apps that are used by companies such as AT&T, T-Mobile, Verizon, Vodafone, and Volkswagen. Danijel is a strong engineering professional with a master's degree focused on computer engineering from the University of Zagreb, Faculty of Electrical Engineering and Computing.

Show More

Vijayakrishna Radhakrishnan

Freelance GSON Developer
IndiaToptal Member Since June 27, 2017

Vijayakrishna is an all-around full-stack developer who has worked in various types of web app and mobile app development. He has worked on many projects as a software engineer, technical consultant, technical lead, and project lead. Vijayakrishna has worked with; AWS infrastructures like Kinesis Streams, S3 buckets, and Lambda; back-end frameworks like Spring Boot, Node.js, and Go; front-end frameworks like AngularJS and React; and Android and iOS mobile app development.

Show More

Arslan Shoukat

Freelance GSON Developer
PakistanToptal Member Since March 29, 2021

Arslan is a professional Android developer with over six years of experience designing, developing, testing, and maintaining cutting-edge apps. He is proficient in Kotlin, Coroutines, Jetpack Compose, Material Design, Retrofit, and Dagger. He likes to write clean and optimized code, utilizing emerging technologies and best software design practices. Arslan strongly believes in continuous improvement and strives for excellence by constantly trying new things and developing new skills.

Show More

Ricardo Moutinho

Freelance GSON Developer
PortugalToptal Member Since December 7, 2016

Ricardo is an award-winning developer with several years of Android development in projects ranging from state-of-the-art R&D to robust commercial applications for thousands of users. He's an organized and talented developer who communicates extremely well, considers all aspects of the project (business, feature, and UX-wise), and in general will do what's necessary to create the best app possible.

Show More

Andranik Chorokhyan

Freelance GSON Developer
ArmeniaToptal Member Since September 7, 2022

Andranik is a lead test automation engineer with over eleven years of professional experience. He specializes in the Java technology stack but has experience in Python scripting. Andranik helps enterprise businesses automate end-to-end flows as well as particular component tests to decrease the time to market for high-quality products. With his secondary skill in engineering management, he also allows companies to find and grow the best talents.

Show More

Discover More GSON Developers in the Toptal Network

Start Hiring
Toptal in the press

... 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
Creating an app for the game
Conor Kenney
Creating an app for the game
Leading a digital transformation
Elmar Platzer
Leading a digital transformation
Building a cross-platform app to be used worldwide
Building a cross-platform app to be used worldwide
Drilling into real-time data creates an industry game changer
Drilling into real-time data creates an industry game changer
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 startup, they are our secret weapon.

Brantley Pace

CEO & Co-Founder

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


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


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


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


How to Hire GSON Developers Through Toptal


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.

Work With Hand-Selected Talent

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

The Right Fit, Guaranteed

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


  • How are Toptal GSON developers different?

    At Toptal, we thoroughly screen our GSON developers to ensure we only match you with talent of the highest caliber. Of the more than 200,000 people who apply to join the Toptal network each year, fewer than 3% make the cut. You’ll work with engineering experts (never generalized recruiters or HR reps) to understand your goals, technical needs, and team dynamics. The end result: expert vetted talent from our network, custom matched to fit your business needs.

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

    Depending on availability and how fast you can progress, you could start working with a GSON developer within 48 hours of signing up.

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

    We make sure that each engagement between you and your GSON developer begins with a trial period of up to two weeks. This means that you have time to confirm the engagement will be successful. If you’re completely satisfied with the results, we’ll bill you for the time and continue the engagement for as long as you’d like. If you’re not completely satisfied, you won’t be billed. From there, we can either part ways, 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.

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 talent within 48 hours 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.

Top GSON Developers Are in High Demand.

Start Hiring