How are Toptal Viber developers different?

At Toptal, we thoroughly screen our Viber 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 Viber developers in less than 48 hours through Toptal?

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

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

We make sure that each engagement between you and your Viber 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.

Hire the Top 3% of Freelance Viber Developers

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

Hire a Top Viber Developer Now

No-Risk Trial, Pay Only If Satisfied.

Trusted by leading brands and startups

Watch the case study

Hire Freelance Viber Developers and Engineers

View Vadim

Vadim Zaporozhets

Freelance Viber Developer

UkraineToptal Member Since August 12, 2022

Vadim is a skilled front-end developer passionate about creating top-notch web apps. He has nine years of experience and skills in HTML5, CSS3, JavaScript, TypeScript, React, Redux, Next.js, Node.js, and Tailwind. Vadim has experience in product management and UX design and has worked on projects for clients such as a freelance agency logo maker, Diy.com, Thomson Reuters, Viber, and Swagbucks.com. He can bring value to your project and is ready to work together to create something amazing.

Viber React JavaScript jQuery CSS TypeScript JSX ESLint Front-end UI Development JSON Software as a Service (SaaS)Agile + more

View Kristijan

Kristijan Atanasovski

Freelance Viber Developer

MacedoniaToptal Member Since January 19, 2024

Kristijan is a Python developer with 10+ years of experience in healthcare, telecommunication, the movie industry, and video surveillance. He recently contributed to the open-source product Kolibri, where he delivered automation scripts for uploading and creating books. Kristijan has developed many applications, led teams, completed architecture projects, and recently mentored junior developers.

Viber PyCharm Agile Python Flask PostgreSQL FastAPI Python 3 Back-end GitHub REST APIs Pytest Unit Testing + more

View Ahmed

Ahmed Bassell

Freelance Viber Developer

EgyptToptal Member Since November 10, 2022

Ahmed is a full-stack software engineer particularly intrigued by solving product problems on the back and front end. He has five years of experience in Ruby on Rails and enjoys working with GraphQL APIs and writing Rails specs. Ahmed primarily focuses on back-end problems, designing databases and system components to optimize performance and cost, and delivering appealing UI to the solution.

Viber Software Engineering Ruby on Rails (RoR)TypeScript JavaScript Ruby GraphQL Elasticsearch Back-end CSS REST APIs Vue GitHub + more

View Amina

Amina Odžak

Freelance Viber Developer

Bosnia and HerzegovinaToptal Member Since July 10, 2019

Along with being ISTQB certified, Amina is a software engineer with years of experience. She's worked within Agile methodologies and is well-versed in test automation using Selenium, E2E testing Angular apps with a Java-based back end, developing REST and SOAP services, and imparting her Java knowledge. Amina values her career and is looking to expand her opportunities through the Toptal network's projects.

Viber Git Jira Java JavaScript Ruby Protractor Agile + more

View Ibrahim

Ibrahim Rashid

Freelance Viber Developer

CanadaToptal Member Since October 24, 2014

Over the past nine years as a full-stack software engineer for various clients, Ibrahim has worked on multiple technologies to develop web and desktop solutions for startups and SMBs. Ibrahim has extensive experience in software design and development with the latest technology and standards and is familiar with modern deployment environments and server administration issues.

Viber JavaScript AngularJS HTML5 jQuery Flask Linux NetBeans Facebook API Python CodeIgniter Node.js Android + more

View John

John Vahanyan

Freelance Viber Developer

ArmeniaToptal Member Since April 29, 2022

John is an enthusiastic and reliable Java developer with seven years of experience as a software engineer. He's handled big and small projects involving tax and banking systems, online shops, and real estate websites. During his business trip to Bhutan, John organized a training course for seven developers and helped them with the tax system project.

Viber Windows Git Java Spring Boot React Oracle Algorithms Databases Hibernate Spring SQL + more

View Vitaly

Vitaly Goncharuk

Freelance Viber Developer

BelarusToptal Member Since May 31, 2021

Vitaly is a detail-oriented back-end engineer with 19 years of experience in programming and dozens of successfully completed projects under his belt. He specializes in the development of high-load back ends for multiplayer and Ethereum-based games, social networks, and eCommerce. In Vitaly's previous roles as a tech lead, he's also demonstrated robust project management and communication skills.

Viber PHP Yii Laravel MySQL PostgreSQL MongoDB Back-end Development JavaScript Redis SQL Linux Software Development + more

View Osman

Osman Mehinagic

Freelance Viber Developer

Bosnia and HerzegovinaToptal Member Since September 2, 2020

Osman is a talented engineer with over eight years of experience in the technology industry, specializing in analysis, design, implementation, and .NET-based information systems. He developed a module for financial trading used by the public, gambling, and financial sectors and has delivered products used by thousands daily. He was a Bosnian Math National team member and participated in Junior Balkan Mathematical Olympiad.

Viber .NET .NET Core C#Back-end Development SQL Database Design Windows Services System Integration Visual Studio SQL Server Management Studio (SSMS)ASP.NET MVC ASP.NET Web Forms + more

View Mihail

Mihail Ivanov

Freelance Viber Developer

BulgariaToptal Member Since August 11, 2022

Mihail is a back-end developer with 15+ years of experience. He has been working freelance for the last seven years. His primary language is Python, but for the previous year, he also focused on Go. Mihail has led teams developing cutting-edge deep learning solutions, including anomaly detection in people's behavior in public places, high-speed defects detections in production lines with edge devices, and recommendation systems for social networks.

Viber Python 3 Python Microservices Back-end Back-end Development REST APIs + more

View Nikolay

Nikolay Kazmin

Freelance Viber Developer

BulgariaToptal Member Since December 29, 2020

Nikolay has a master's degree in computer science from ETH Zurich. He has more than ten years of full-stack web development experience. Before starting his own company, he worked as a contractor for one of the biggest brands in the US nonprofit sector—GuideStar. Nikolay's favorite technologies are Rails and React. He co-founded and led the technical development of Domestina: a marketplace for cleaning services with more than 100,000 booked cleanings.

Viber RubyMine Software Engineering Ruby on Rails (RoR)MySQL Braintree API Bootstrap CSS Ruby SQL RSpec Full-stack + more

View Fran

Fran Hrženjak

Freelance Viber Developer

CroatiaToptal Member Since December 10, 2013

Fran is a full-stack web developer who also occasionally develops for Linux command line, mobile and desktop apps, and hardware devices on the Arduino platform. He enjoys working with the Django web framework and Python in general. He is proficient in PHP and has substantial experience working with WordPress and Magento.

Viber Python Model View Controller (MVC)Mercurial Debian Linux Git PyCharm PhpStorm jQuery Django CSS Django REST Framework Raspberry Pi + more

Discover More Viber Developers in the Toptal Network

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Trustpilot

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

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 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

Director

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

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

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

How to Hire Viber 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 Viber developer for your project. Average time to match is under 24 hours.

The Right Fit, Guaranteed

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

FAQs

How are Toptal Viber developers different?
At Toptal, we thoroughly screen our Viber 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 Viber developers in less than 48 hours through Toptal?
Depending on availability and how fast you can progress, you could start working with a Viber developer within 48 hours of signing up.
What is the no-risk trial period for Toptal Viber developers?
We make sure that each engagement between you and your Viber 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
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. Start working with your new hire on a no-risk trial period, paying only if satisfied.
Scale as Needed
Hire talent within 48 hours and scale your team up or down as needed, no strings attached.
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
Choose the engagement type that suits your needs — hourly, part-time, or full-time — with the ability to change anytime.
Expert Talent Matching
Focus on your project and enjoy support from your dedicated account executive and expert talent matcher.