Hire the Top 3% of Freelance Keychain Engineers

Toptal is a marketplace for dedicated Keychain Engineers. Top companies and startups choose Toptal Keychain freelancers for their mission-critical Keychain development projects.

No-Risk Trial, Pay Only If Satisfied.

Hire Freelance Keychain Engineers

Sergei Sedov

Freelance Keychain Engineer
SerbiaToptal Member Since March 12, 2018

Sergei has over seven years of experience in iOS app development (Objective-C and Swift) and more than a decade in J2EE. He also possesses a bachelor's degree in computer science and, in his career, has successfully led and communicated with QA and product teams. Sergei joined Toptal to find long-term iOS projects where he can develop products from scratch—building architecture that allows refactoring and unit testing.

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Manuel Rico

Freelance Keychain Engineer
SpainToptal Member Since March 22, 2022

Manuel has been developing mobile apps using different technologies for more than ten years. He is now focused on iOS native development with Swift and has architected and developed complex iOS apps from scratch used by thousands of people daily. Manuel has led teams and loves to work on thrilling new products, valuing simplicity, efficiency, and fluent communication throughout the team.

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Stuart Jones

Freelance Keychain Engineer
United KingdomToptal Member Since August 5, 2022

Stuart is a React Native developer with over a decade of experience building hybrid mobile applications for iOS and Android. He specializes in delivering apps across various industries at global organizations, scaleups, and startups while setting and achieving realistic deadlines. He launched a software development consultancy in 2018, advising and building mobile apps for companies such as Nando's and Perkbox. Stuart enjoys working on exciting React Native projects with international clients.

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Ivan Voras, PhD

Freelance Keychain Engineer
CroatiaToptal Member Since August 26, 2014

Ivan has a Computer Engineering PhD. He has worked as a CTO and a system architect, founding multiple projects and businesses. He has experience architecting and implementing server-side solutions, including distributed platforms, such as blockchains, chat servers, and game back-ends. He helped establish the Toptal blockchain specialization, served as a tech screener, and lectured for Toptal Academy.

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Gorjan Shukov

Freelance Keychain Engineer
MacedoniaToptal Member Since May 16, 2019

Gorjan is an iOS lead developer with a demonstrated history working on computer software. This experience mainly consists of iOS development, Xcode, publishing to the App Store, continuous integration, Agile methodology, and Git. Gorjan believes that the keys to successfully working remotely with a client are exceptional availability/communication, professionalism, and positivity in the face of challenges.

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Tiago Lopes

Freelance Keychain Engineer
United StatesToptal Member Since January 25, 2013

Tiago is a full-stack developer focusing on creating front-end apps using React, React Native, iOS Native, and Android Native. He has a proven experience working with companies of all dimensions, from early-stage startups to multi-billion dollar companies, and taking projects from planning to be used by millions of users. Tiago is experienced with continuous deployment pipelines using GitLab and Jenkins and has a vast knowledge of AWS infrastructure to deploy serverless applications.

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Michal Kalis

Freelance Keychain Engineer
Czech RepublicToptal Member Since February 22, 2016

Michal is a senior iOS developer with 10+ years of experience in developing simple and complex applications. With users in mind, he not only produces lines of code but also adds a critical thinking element to UI and UX processes. Passionate about design, Michal is always keen to work on apps that have intrinsic user appeal.

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Mate Lorincz

Freelance Keychain Engineer
HungaryToptal Member Since July 9, 2019

Along with a love for undertaking new challenges and learning, Mate is an enthusiastic iOS engineer with several years of professional experience—and successful projects—in software design and development. He always endeavors to provide quality code that is easy to understand and maintain. Mate loves to code in Swift in a way that ensures a fantastic user experience on iOS platforms.

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Mananchai Rojamornkul

Freelance Keychain Engineer
ThailandToptal Member Since November 17, 2021

Mananchai is a software developer and engineering manager who has successfully formed and managed multiple teams of iOS, Android, back-end, and front-end engineers of all levels to develop world-class solutions for his clients. With over 7+ years of hands-on experience with iOS application development, Mananchai is confident in delivering scalable and maintainable iOS applications and frameworks of all scales.

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Pawel Hryczuk

Freelance Keychain Engineer
PolandToptal Member Since October 4, 2019

Pawel has 14 years of experience in software development, mainly focusing on creating iOS apps. As a person, he is proactive, accountable, and knows the value of constant communication and teamwork, so whenever he encounters a problem, he tackles it head-on and devises a solution with his teammates. Pawel thrives in projects where he knows that he's delivering a high-quality product to his customers.

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Jacek Szyja

Freelance Keychain Engineer
PolandToptal Member Since February 5, 2020

Jacek is an experienced software engineer. During his career, he's had a chance to create projects for small startups and big global corporations. He gained experience in all project phases, from early project discussions and estimations through app development to releasing and analyzing results. Besides app development, Jacek is interested in mobile security.

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Discover More Keychain Engineers in the Toptal Network

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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 Keychain Engineers 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 Keychain engineer for your project. Average time to match is under 24 hours.

The Right Fit, Guaranteed

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


  • How are Toptal Keychain engineers different?

    At Toptal, we thoroughly screen our Keychain engineers 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 Keychain engineers in less than 48 hours through Toptal?

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

  • What is the no-risk trial period for Toptal Keychain engineers?

    We make sure that each engagement between you and your Keychain engineer 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 Keychain Engineers Are in High Demand.

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