Hire the Top 3% of Freelance Zephyr Developers

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

No-Risk Trial, Pay Only If Satisfied.

Hire Freelance Zephyr Developers and Engineers

Seema K Nair

Freelance Zephyr Developer
United KingdomToptal Member Since February 22, 2020

Seema brings over a decade of software testing and quality assurance expertise to the table. She has substantial experience with manual testing and the test automation of web and mobile applications. Seema is a certified Scrum Master, IBM certified DB2 professional, and AWS certified solution architect comfortable with Agile and Waterfall approaches. Her in-depth knowledge of API and performance testing delivers excellent results.

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Milorad Popovic

Freelance Zephyr Developer
SerbiaToptal Member Since November 3, 2014

Milorad has over ten years of experience on IT projects involving Microsoft, Cisco, virtual systems, networking, VoIP, and other technologies. He is very self-motivated and professional QA leader and is always willing to introduce improvements into the work process. He is a strong team player, able to give support and guidance to other staff members. Milorad works well in a variety of environments.

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Tomislav Radanović

Freelance Zephyr Developer
CroatiaToptal Member Since February 11, 2020

Tomislav is a skilled professional with eight years of expertise in designing, implementing, documenting, and maintaining complex embedded systems from conception to production. His approach combines deep technical proficiency with a keen focus on optimizing system performance and reliability, delivering solutions that meet stringent requirements. Tomislav excels in technical problem-solving and collaboration, ensuring projects are delivered on time and within budget.

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Md Shadd

Freelance Zephyr Developer
BangladeshToptal Member Since December 13, 2022

Md Shadd is a passionate quality assurance engineer experienced in industry-standard software development and testing. He has a bachelor's in computer science and specializes in developing and implementing quality processes for examining, assessing, and reporting operations. Md Shadd is keen on working under pressure, adapting to new situations and challenges, and using standard practices and innovative tactics to improve product quality and minimize expenditure.

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Nikita Bohonko

Freelance Zephyr Developer
LatviaToptal Member Since March 2, 2021

Nikita is an engineer with ten years of QA experience as a manual, automation, and performance tester focused on digital and fintech projects. He has worked in the GUI (web, application), API, and mobile areas. He has configured test automation and performance solutions from scratch, written stories, and worked as the test lead in projects with ten to 500 professionals.

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Syed Zubair Alam

Freelance Zephyr Developer
PakistanToptal Member Since September 20, 2022

Zubair Alam has more than eight years of diverse experience in software quality assurance testing. He is an expert in web, API, iOS, and Android mobile automation, penetration testing, and performance testing. Zubair Alam has worked with remote teams across the globe on more than 50 products to help companies deliver quality applications.

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Gehan Mallikarachchi

Freelance Zephyr Developer
New ZealandToptal Member Since September 9, 2022

Gehan has more than ten years of experience testing web applications in the Agile framework. He has detailed knowledge of manual QA processes, preparations of test plans, and executions of tests with various testing types. Gehan always captures issues promptly with detailed bug reports and clear traceability to the test cases and business requirements.

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Nino Jakhveladze

Freelance Zephyr Developer
GeorgiaToptal Member Since March 15, 2022

Nino is a QA automation engineer at Tipalti and has five years of web and mobile app testing expertise. She's Agile-oriented, skilled in API testing, JavaScript, and WebdriverIO, and has a proven track record in live shopping, eCommerce, and financial software projects. Nino is passionate about knowledge-sharing, with mentoring experience. Her prior roles at LIVEBUY, Flat Rock Technology, and TBC Bank Group showcase her proficiency in manual and automated testing across diverse industries.

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Piotr Gęsicki

Freelance Zephyr Developer
PolandToptal Member Since May 7, 2019

Piotr is a passionate engineer with almost ten years of experience in testing and QA working on a range of projects (banking, shipping, EDA, hardware). His main field of expertise is test automation with different testing frameworks and technologies. On the other hand, Piotr has a strong interest in leadership and coaching others. He is a good listener and a strong team player and always willing to introduce improvements to existing processes.

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Alex Pavlenko

Freelance Zephyr Developer
BelarusToptal Member Since September 17, 2022

Alex is a lead quality assurance engineer and manager with over 12 years of experience in software testing. In addition to his expertise in quality assurance, Alex has worked as a scrum master and project manager on several large-scale outsourced projects. Since obtaining his bachelor's degree, Alex has been certified as a tester and test manager by ISTQB and a scrum master by Scrum.org.

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Shushanik Soghomonyan

Freelance Zephyr Developer
ArmeniaToptal Member Since July 27, 2022

Shushan is a skilled QA engineer with 5 years of experience testing web and mobile iOS and Android-based applications. Her professional experience includes analyzing business requirements and executing tests to identify bugs in new software. Hard-working and detail-oriented, Shushan helps to produce top-quality software products.

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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 Zephyr 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 Zephyr developer for your project. Average time to match is under 24 hours.

The Right Fit, Guaranteed

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


  • How are Toptal Zephyr developers different?

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

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

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

    We make sure that each engagement between you and your Zephyr 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 Zephyr Developers Are in High Demand.

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