Hire the Top 3% of Freelance Bug Fixing Experts

Toptal is a marketplace for dedicated Bug Fixing Experts. Top companies and startups choose Toptal Bug Fixing freelancers for their mission-critical development projects.

No-Risk Trial, Pay Only If Satisfied.

Hire Freelance Bug Fixing Experts

Piotr Gardynik

Freelance Bug Fixing Expert
PolandToptal Member Since March 18, 2022

Piotr is a seasoned C++ developer, specification engineer, and systems architect who spent most of his career at Nokia, developing the base transceiver station, BTS SW, and its architecture—first for the long-term evolution (LTE), now for 5G. Most of his work was focused on synchronization, introducing innovative ways of synchronizing new features and aligning to O-RAN and Cloud. Piotr was responsible for SW development, at first, and then for its specification and architecture.

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Md. Mehedi Hasan

Freelance Bug Fixing Expert
BangladeshToptal Member Since April 1, 2020

Mehedi is a WordPress and WooCommerce expert with over nine years of experience. He has worked on 1,500+ websites using WordPress and WooCommerce. Mehedi is an official plugin developer of WordPress with several plugins published on the WordPress.org repository. He has worked for Elegant Themes as a WordPress engineer, responsible for Divi, Divi Marketplace, and bug fixing.

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Dusan Stanojevic

Freelance Bug Fixing Expert
United StatesToptal Member Since November 29, 2021

Dusan is a software engineer at heart who loves programming and problem-solving. He's been writing code constantly for the last nine years and doesn't plan on stopping any time soon. Dusan has been in charge of overseeing all of the engineering efforts in a bay area startup for over four years, and he'd love to share his experience helping other companies grow and implementing incredible products.

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Lakhwinder Singh Virk

Freelance Bug Fixing Expert
CanadaToptal Member Since June 28, 2021

Lakhwinder is a skilled mobile developer who started his career in 2011. With over a decade of experience, he has specialized in creating and working on mobile apps from scratch and existing ones using various technologies such as React Native, Swift, Objective C, and more. Also, he's worked on web development using technologies such as React and Node.js. Overall, his extensive portfolio and expertise make him a valuable asset to any organization or project he becomes a part of.

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Roy Mahfooz

Freelance Bug Fixing Expert
PakistanToptal Member Since September 7, 2022

Roy is a PHP and WordPress expert with 6+ years of experience in web development. He is a straightforward, disciplined developer who enjoys his work and likes challenges. He is very good at delivering high-quality work on time and within budget. He worked onsite and remotely with individual clients and small and large teams, successfully delivering outstanding work in the last eight years.

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Dominik Krížo

Freelance Bug Fixing Expert
SlovakiaToptal Member Since August 9, 2021

Dominik is a highly skilled and experienced developer who has been programming since 13. With a strong foundation in object-oriented programming, he pursued further education in the field, finishing his bachelor's degree in informatics and eventually landed a role as an Android developer, working with Java and Kotlin. However, Dominik's passion for innovation and decentralization led him to explore the emerging field of blockchain development, where he has become an expert in Rust and WASM.

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Luka Mijić

Freelance Bug Fixing Expert
CroatiaToptal Member Since March 7, 2022

Luka is an Android developer with 3+ years of experience developing applications for some of the best US companies. He developed an audiobook application for the biggest US book publisher Penguin Random House, created an Android news widget for Reuters News Agency, and developed a smart home application for custom-made remotes. He is proficient in both Kotlin and Java and keeps up to date with the latest Android technologies.

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Nalin Chhajer

Freelance Bug Fixing Expert
IndiaToptal Member Since June 28, 2022

Nalin has worked on more than 35 apps, and he has 12 years of work experience as a mobile application developer. He has contributed from start to end and has actively participated in architecture, planning, team building, and the development of apps. Nalin is also Certified Scrum Product Owner (CSPO) certified. Currently, he is mentoring and helping companies set up a self-organizing team that can deliver impactful features.

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Ahmed Ragab Issa

Freelance Bug Fixing Expert
EgyptToptal Member Since June 13, 2022

Ahmed is a senior iOS engineer with 6+ years of experience in iOS development, working on projects across different industries, including eCommerce, banking, government, multimedia, and more. With a deep passion for research and problem-solving, Ahmed is a team player who enjoys contributing and sharing knowledge.

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Scott Fennell

Freelance Bug Fixing Expert
United StatesToptal Member Since February 20, 2017

Scott has written hundreds of WordPress themes and plugins. He specializes in 3rd-party API integrations, including Mailchimp, Cloudflare, and Shopify. He is experienced in leading technology teams, is a seasoned public speaker, and has presented at WordCamp Portland and the Google campus in Seattle. He is an active technology writer and has been published on A List Apart and CSS-Tricks many times. Scott is also a former infantry officer in the US Army.

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Jonasz Wiącek

Freelance Bug Fixing Expert
PolandToptal Member Since November 19, 2021

Jonasz is a dedicated full-stack web developer with over three years of experience building performant, accessible, and scalable applications. At Nokia, he implemented an automatic tool that improved the CI/CD process while maintaining a large codebase, fixing bugs, and testing. He has created specialized plugins, adapters, and eCommerce platforms using technologies such as React, JavaScript, and Node.js. Jonasz has an eye for detail and is enthusiastic about new technology trends.

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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 Bug Fixing Experts 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 Bug Fixing expert for your project. Average time to match is under 24 hours.

The Right Fit, Guaranteed

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


  • How are Toptal Bug Fixing experts different?

    At Toptal, we thoroughly screen our Bug Fixing experts 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 Bug Fixing experts in less than 48 hours through Toptal?

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

  • What is the no-risk trial period for Toptal Bug Fixing experts?

    We make sure that each engagement between you and your Bug Fixing expert 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 Bug Fixing Experts Are in High Demand.

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