How quickly can you hire with Toptal?

Typically, you can hire OpenCV developers with Toptal in about 48 hours. For larger teams of talent or Managed Delivery , timelines may vary. Our talent matchers are highly skilled in the same fields they’re matching in—they’re not recruiters or HR reps. They’ll work with you to understand your goals, technical needs, and team dynamics, and match you with ideal candidates from our vetted global talent network. Once you select your OpenCV developer, you’ll have a no-risk trial period to ensure they’re the perfect fit. Our matching process has a 98% trial-to-hire rate, so you can rest assured that you’re getting the best fit every time.

How do I hire OpenCV developers?

To hire the right OpenCV developer, it’s important to evaluate a candidate’s experience, technical skills, and communication skills. You’ll also want to consider the fit with your particular industry, company, and project. Toptal’s rigorous screening process ensures that every member of our network has excellent experience and skills, and our team will match you with the perfect OpenCV developers for your project.

How are Toptal OpenCV developers different?

At Toptal, we thoroughly screen our OpenCV developers to ensure we only match you with the highest caliber of talent. Of the more than 200,000 people who apply to join the Toptal network each year, fewer than 3% make the cut. In addition to screening for industry-leading expertise, we also assess candidates’ language and interpersonal skills to ensure that you have a smooth working relationship. When you hire OpenCV developers with Toptal, you’ll always work with world-class, custom-matched OpenCV developers ready to help you achieve your goals.

Can you hire OpenCV developers on an hourly basis or for project-based tasks?

You can hire OpenCV developers on an hourly, part-time, or full-time basis. Toptal can also manage the entire project from end-to-end with our Managed Delivery offering. Whether you hire a OpenCV developer for a full- or part-time position, you’ll have the control and flexibility to scale your team up or down as your needs evolve. Our OpenCV developers can fully integrate into your existing team for a seamless working experience.

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

We make sure that each engagement between you and your OpenCV 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 OpenCV developer who may be a better fit and with whom we will begin a second, no-risk trial.

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

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Clients rate Toptal OpenCV developers 4.9 / 5.0 on average based on 1,538 reviews.

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Hire Freelance OpenCV Developers

View Mike

Mike Schachter

Freelance OpenCV Developer

Verified Expert in Engineering

UTC-08:00

United States

Toptal Member Since July 14, 2022

Mike has over 20 years of experience in machine learning, data science, and computational biology. His expertise includes signal and image processing, working with unstructured data such as images, video, audio, and text, and he is proficient in time series analysis. Extending from leveraging cloud platforms such as GCP and AWS to writing Python, R, C++, and Java code, Mike's technical experience resulted in significant contributions to the field of neuroscience.

OpenCV Python

View Bhavesh

Bhavesh Kakwani

Freelance OpenCV Developer

Verified Expert in Engineering

UTC-08:00

Canada

Toptal Member Since May 5, 2020

Bhavesh is an award-winning developer with a strong foundation in math and electronics. His professional experience includes end-to-end embedded software development and hardware design. His code runs on SpaceRyde's gondola and rocket, McMaster University's launched satellite, Quanta Vici's Bluetooth gloves, and Ecobee's IoT lightswitch. These projects are on embedded Linux and microcontrollers (both bare metal and RTOS) and are written in C, C++, and Python.

OpenCV C Python Embedded Software Engineering Firmware

View Bernardt

Bernardt Duvenhage

Freelance OpenCV Developer

Verified Expert in Engineering

UTC-07:00

Canada

Toptal Member Since October 21, 2020

Bernardt is passionate about developing technology that fundamentally improves lives and broadens our knowledge. He led teams and developed software for computer vision, natural language understanding, modeling and simulation, and computer graphics projects. Bernardt has experience programming in C++ and Python, using frameworks such as scikit-learn and PyTorch for machine learning and deep learning, transformers, Torchvision, CUDA, OpenGL, OpenSceneGraph, OpenCV, and NLTK.

OpenCV Linux Python C++Machine Learning Computer Vision PyTorch Artificial Intelligence NLP Neural Network REST API Agile Development CI/CD

View Saher

Saher Sajid

Freelance OpenCV Developer

Verified Expert in Engineering

UTC-05:00

Canada

Toptal Member Since July 18, 2023

Saher is an experienced computer vision engineer with an extensive ability to synergize traditional machine learning methods and contemporary approaches. Excelling in object detection, recognition, and visual data synthesis, she has an impressive track record of thriving solutions: creating an innovative speed estimator using stereo vision at Hazen.ai and contributing to Saudi Arabia's e-governance program at Addo.ai. Saher aspires to improve model accuracy and reduce training time continuously.

OpenCV Deep Learning Machine Learning PyTorch Python Artificial Intelligence

View Guilherme

Guilherme Meira

Freelance OpenCV Developer

Verified Expert in Engineering

UTC-03:00

Brazil

Toptal Member Since March 4, 2021

Guilherme has been a software developer since 2016 when he completed his master's degree in computer engineering. He has developed and deployed computer vision solutions using OpenCV, C++, and Python, as well as back-end applications using Java and the Spring Framework. Guilherme has delivered innovative solutions related to poker, private jet booking, license plate recognition, and coffee bean image classification.

OpenCV Linux Spring Java Spring Boot

View Dr.

Dr. Harry Pratt

Freelance OpenCV Developer

Verified Expert in Engineering

UTC+00:00

United Kingdom

Toptal Member Since January 22, 2021

Harry has an aptitude—and enjoyment—for applying the latest deep learning and machine learning methods to commercial problems. He's applied this knowledge to research during his Ph.D. in deep learning and throughout his commercial experience in the health care and mobile gaming industries. Harry has hands-on experience in developing and delivering the vast majority of machine learning models from simple logistic regression models to large-scale computer vision models.

OpenCV Computer Vision Deep Learning Machine Learning Python

View Vladimir

Vladimir Mitrovic

Freelance OpenCV Developer

Verified Expert in Engineering

UTC+01:00

Serbia

Toptal Member Since November 1, 2015

Vladimir has been a professional developer for 11 years. Most recently, he's focused on augmented reality, computational design, and computer graphics. He has architected complex software systems, designed UX, led teams, and spoken at conferences. Vladimir values simplicity and efficiency and loves working on interactive products, no matter the platform.

OpenCV Augmented Reality iOS Algorithms Xcode Git Unity C#Objective-C Swift Clojure Virtual Reality Rust

View Nour

Nour Helal

Freelance OpenCV Developer

Verified Expert in Engineering

UTC+02:00

Egypt

Toptal Member Since July 12, 2023

Nour is a skilled professional focused on artificial intelligence. He has three years of experience leading development teams and seven years of experience designing and developing machine learning models and computer vision algorithms. He has also focused on computer vision to help autonomous cars and drones in environment inception and decision-making steps. Nour has applied AI to military applications, surveillance systems, optical character recognition, drones, and self-driven cars.

OpenCV Python Artificial Intelligence

View Ivan

Ivan Poleschyuk

Freelance OpenCV Developer

Verified Expert in Engineering

UTC+04:00

United Arab Emirates

Toptal Member Since February 21, 2018

Ivan is a passionate machine learning engineer and full-stack software developer. His expertise includes machine learning and computer vision technologies, with proficiencies in Python and R in the data science field. Ivan holds a master's degree in computer science and is experienced in leading and managing development teams.

OpenCV Artificial Intelligence Machine Learning Python Recommendation Systems Neural Network Flask TensorFlow PostgreSQL Elasticsearch Computer Vision Deep Learning Django

View Dilip

Dilip Mathew Thomas

Freelance OpenCV Developer

Verified Expert in Engineering

UTC+05:00

India

Toptal Member Since April 11, 2019

Along with earning a PhD in computer science and engineering, Dilip has over a decade of experience in the industry. Since 2015, he's been focusing on projects related to machine learning and deep learning. Dilip has an eye for detail which helps in working closely with domain scientists and improving the accuracy and reliability of models for fine-grained image classification, object detection and segmentation, natural language processing, time-series forecasting, and generative AI.

OpenCV Python Machine Learning Deep Learning Computer Vision Artificial Intelligence Algorithms NLP Data Analysis

View Khanh

Khanh Ha

Freelance OpenCV Developer

Verified Expert in Engineering

UTC+07:00

Vietnam

Toptal Member Since January 7, 2020

Khanh Ha is a software engineer veteran with a track record of industry-level projects in the fields of computer vision, deep learning, machine learning, 3D geometry, and computer graphics technologies. He also specializes in digital human technologies, from 3D avatar estimation to motion capture.

OpenCV C++PyTorch TensorFlow Machine Learning

Discover More OpenCV Developers in the Toptal Network

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THE TOPTAL ADVANTAGE

98% of Toptal clients choose to hire our talent after a risk-free trial.

Toptal's screening and matching process ensures exceptional talent are matched to your precise needs.

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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

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

How to Hire OpenCV Developers Through Toptal

Talk to One of Our Client Advisors

A Toptal client advisor 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 OpenCV developer for your project. Average time to match is under 24 hours.

The Right Fit, Guaranteed

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

EXCEPTIONAL TALENT

How We Source the Top 3% of OpenCV Developers

Our name “Toptal” comes from Top Talent—meaning we constantly strive to find and work with the best from around the world. Our rigorous screening process identifies experts in their domains who have passion and drive.

Of the thousands of applications Toptal sees each month, typically fewer than 3% are accepted.

Start Hiring Today

STEP 1

Language and Personality Evaluation

26.4% of applications pass

The first step of the screening process is a comprehensive English language and communication evaluation. We also assess personality traits, seeking only those who are passionate and fully engaged in their work.

STEP 2

In-depth Skill Review

7.4% of applications pass

We test each applicant’s technical knowledge and problem-solving ability through various assessments. Every member of the Toptal network is an expert in their domain, and we typically only advance candidates with exceptional results in this phase.

STEP 3

Live Screening

3.6% of applications pass

Toptal screeners, who are experts in their functional domain, interview each OpenCV developer. Our screeners provide specific live exercises, looking for problem-solving ability, depth of experience, communication ability, and creativity.

STEP 4

Test Project

3.2% of applications pass

Each candidate is assigned a test project to evaluate whether they can “walk the walk.” Test projects take 1-3 weeks and are comprehensive and provide real-world scenarios for candidates to demonstrate their competence, thoroughness, professionalism, and integrity.

STEP 5

Continued Excellence

Top 3.0% of OpenCV developers

As a quality-first company, we demand the best from our talent, so they can deliver the best to our clients. This principle permeates every Toptal engagement and delivered project. Only the top 3% of developers can consistently perform at this level.

Capabilities of OpenCV Developers

OpenCV developers specialize in computer vision and image processing, combining real-time detection with machine learning integration to build intelligent visual systems. Their expertise spans algorithm design and the scalable deployment of applications in robotics, healthcare, surveillance, and augmented reality (AR). Leveraging OpenCV’s robust libraries, they create solutions that interpret the visual world with speed and precision.

Real-time Vision Pipeline Development

Efficient vision pipelines are essential for applications that require instant visual feedback. Our OpenCV developers design real-time workflows by linking acquisition, preprocessing, filtering, and feature extraction stages, carefully optimizing each component to minimize latency and maintain consistent low-delay performance.

Custom Feature Detection and Classification

Accurately detecting objects, gestures, and other visual targets depends on choosing the right feature detectors for each scenario. Toptal OpenCV developers configure algorithms like ORB, SIFT, and Haar cascades or integrate deep learning models from TensorFlow or PyTorch to match the complexity of the input.

Advanced Image Processing

Preparing visual data goes beyond basic filtering operations like blurring or thresholding. Our OpenCV developers apply spatial and frequency domain techniques, including morphological transforms, perspective corrections, and color space conversions, to enhance image quality and maximize downstream performance.

Precision Camera Calibration and Lens Correction

Spatial accuracy in computer vision depends on properly calibrated camera optics. Our OpenCV developers compute intrinsic and extrinsic parameters, correct lens distortion, and rectify stereo image pairs to enable accurate 3D reconstruction and visually aligned AR overlays in precision-critical applications such as metrology.

Motion Analysis and Object Tracking

Tracking moving objects demands precise motion estimation and resilience to visual disruption. Toptal OpenCV developers apply techniques like Lucas-Kanade optical flow and KCF tracking to estimate movement, sustain tracking through occlusion, and support short-term trajectory prediction in dynamic environments.

3D Scene Reconstruction and Depth Mapping

Understanding visual depth is fundamental to spatial perception and interaction. Our OpenCV developers apply stereo vision, structure-from-motion, and disparity mapping to reconstruct environments and power systems that can navigate and manipulate objects within 3D space.

Seamless Integration With Video and Hardware

Scalable vision systems must handle dynamic, unpredictable real-world inputs. Our OpenCV developers design and deploy robust pipelines that connect to live camera feeds, synchronize multiple streams, and process frame buffers in near real time to sustain high throughput with minimal resource overhead.

Accelerated Vision With GPU and Multithreading

Hardware-level optimization is crucial for achieving low-latency computer vision under stringent performance constraints. Toptal OpenCV developers leverage GPU frameworks such as CUDA and OpenCL, and implement multithreaded architectures to offload intensive tasks and reduce latency under high computational load.

Output Visualization, Debugging, and Validation

Clear, real-time diagnostics play a critical role in debugging and validating computer vision models. Our OpenCV developers build result overlays, live debugging interfaces, and ground-truth comparison tools to ensure vision models perform accurately and reliably across testing and deployment.

Production-ready Deployment and Maintenance

In the field, computer vision systems must handle noisy data, constrained hardware, and unexpected edge cases without failure. Our OpenCV developers encapsulate vision logic into services or embedded modules that efficiently manage memory and maintain system stability under real-world operating conditions.

FAQs

How quickly can you hire with Toptal?
Typically, you can hire OpenCV developers with Toptal in about 48 hours. For larger teams of talent or Managed Delivery, timelines may vary. Our talent matchers are highly skilled in the same fields they’re matching in—they’re not recruiters or HR reps. They’ll work with you to understand your goals, technical needs, and team dynamics, and match you with ideal candidates from our vetted global talent network.

Once you select your OpenCV developer, you’ll have a no-risk trial period to ensure they’re the perfect fit. Our matching process has a 98% trial-to-hire rate, so you can rest assured that you’re getting the best fit every time.
How do I hire OpenCV developers?
To hire the right OpenCV developer, it’s important to evaluate a candidate’s experience, technical skills, and communication skills. You’ll also want to consider the fit with your particular industry, company, and project. Toptal’s rigorous screening process ensures that every member of our network has excellent experience and skills, and our team will match you with the perfect OpenCV developers for your project.
How are Toptal OpenCV developers different?
At Toptal, we thoroughly screen our OpenCV developers to ensure we only match you with the highest caliber of talent. Of the more than 200,000 people who apply to join the Toptal network each year, fewer than 3% make the cut.

In addition to screening for industry-leading expertise, we also assess candidates’ language and interpersonal skills to ensure that you have a smooth working relationship.

When you hire OpenCV developers with Toptal, you’ll always work with world-class, custom-matched OpenCV developers ready to help you achieve your goals.
Can you hire OpenCV developers on an hourly basis or for project-based tasks?
You can hire OpenCV developers on an hourly, part-time, or full-time basis. Toptal can also manage the entire project from end-to-end with our Managed Delivery offering. Whether you hire a OpenCV developer for a full- or part-time position, you’ll have the control and flexibility to scale your team up or down as your needs evolve. Our OpenCV developers can fully integrate into your existing team for a seamless working experience.
What is the no-risk trial period for Toptal OpenCV developers?
We make sure that each engagement between you and your OpenCV 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 OpenCV developer who may be a better fit and with whom we will begin a second, no-risk trial.

Tap Into World-class Talent

Trusted Talent Only
Our talent are thoroughly vetted professionals who ramp up quickly, function as essential team members, and deliver results.
Precise Matching
Our experienced talent matchers specialize in pairing you with the right fit. They work to understand exactly what you need and hand-select the best professionals for your project.
Seamless Hiring
We handle all aspects of billing, payments, and NDAs, streamlining the hiring process so you can focus on innovation, not overhead.
No-risk Trial Period
We want to be sure your engagement is a total success, so we offer a no-risk trial period. Work with your new hire for up to two weeks and pay only if you’re satisfied.
Effortless Scaling
Scale your team up or down as needed, with quick and efficient hiring in under 48 hours.
Flexible Engagements
Choose the engagement type that suits your needs—hourly, part-time, or full-time— and enjoy the flexibility to adjust as needed.