Hire the Top 3% of A/B Testing Developers in 48 Hours

Hire vetted A/B testing developers, engineers, programmers, coders, architects, and consultants on demand. Leading companies choose A/B testing freelancers from Toptal for their most important development projects.

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Featured Talent

Vlad Zotov, Senior A/B testing Programmer and Consultant.

Vlad Zotov

Verified Expert in Engineering
9 Years of Experience

A/B Testing Developer

Vlad is a passionate learner and systems thinker. Curiosity is his main driver, propelling him to explore diverse fields and new concepts. Vlad believes in the power of A/B testing and data-driven decision-making. Over the past 10 years, he's tackled various challenges ranging from front-end and distributed systems to data analysis. Vlad takes ownership of the issue and produces quality solutions. He enjoys learning and can quickly pick up languages and frameworks, and he enjoys helping others.

A/B TestingReact.jsNode.jsTypeScriptReduxJavaScript
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Shabeer S Hussain, A/B testing Freelancer.

Shabeer S Hussain

Verified Expert in Engineering
13 Years of Experience

A/B Testing Developer

Shabeer is a senior iOS engineer with 13+ years of experience and is fluent in Swift, Objective-C, SwiftUI, and UIKit frameworks. He has extensive experience in iOS app development, release management, and maintenance of CI/CD pipelines from working in large corporate companies and small-scale startups. Shabeer is interested in back-end development using Swift Vapor and event-driven serverless architecture using Firebase Firestore and Firebase functions to complement his mobile expertise.

A/B TestingiOSSwiftXcodeObjective-CFirebaseGoogle Maps DevelopmentGoogle AnalyticsREST APIApple Pay Development
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Tory Borsboom-Hanson, A/B testing Freelancer.

Tory Borsboom-Hanson

Verified Expert in Engineering
16 Years of Experience

A/B Testing Developer

Tory is a data scientist and forecasting specialist with extensive experience in experimental design, AB testing, and leadership roles. His stack of choice includes Python, SQL, Pandas, PySpark, Hadoop, MLFlow, XGBoost, and Scitkit-learn. Beyond data science and model development, he is an expert at data visualization and reporting, especially to non-technical audiences. He often remarks that "a poorly presented analysis can often be worse than no analysis at all."

A/B TestingSQLPythonMachine Learning
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Zachary A. Goodman, A/B testing Freelancer.

Zachary A. Goodman

Verified Expert in Engineering
8 Years of Experience

A/B Testing Developer

Zack is an experienced Silicon Valley data science consultant with expertise in experiments, causal effect estimation, and cloud data tools. He holds a PhD in economics with a research focus on estimating causal effects using big data. Zack has over eight years of experience using Python, SQL, and other tools to answer questions using data. He enjoys helping his clients achieve their goals, whether building data pipelines, automated dashboards, or slide decks for company leadership.

A/B TestingPythonCloud EngineeringSQLBigQueryData Science
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Draco Li, Freelance A/B testing Engineer.

Draco Li

Verified Expert in Engineering
14 Years of Experience

A/B Testing Developer

Draco is a seasoned lead engineer with over 12 years of extensive full-stack experience in various industries, including online retail, web3, and AI insurance. As a founding engineer at Dots, Draco spearheaded the launch of highly acclaimed iOS apps, TwoDots (50+ million downloads) and Dots & Co (1.5+ million downloads within two days). He also served as the engineering lead at Loose Button, where he launched an online advertising network that grew to over $1 million in sales in three months.

A/B TestingGitRubyJavaScriptSQLReact.jsGraphQLFacebook APIGolangPHPTypeScriptNode.jsPython
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Anthony Khong, A/B testing Coder.

Anthony Khong

Verified Expert in Engineering
11 Years of Experience

A/B Testing Developer

Anthony is an experienced data scientist and developer with a demonstrated history of working in research, algorithmic trading, and technology consultancy. He is skilled in software development, statistical analysis, and machine learning. Anthony is a strong entrepreneurship professional with an MSc in applied statistics from the University of Oxford and an MPhil in economics research from the University of Cambridge.

A/B TestingData SciencePythonMachine LearningNumPyBig Data ArchitectureAgile Development
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Julius Arden, Senior A/B testing Programmer and Consultant.

Julius Arden

Verified Expert in Engineering
9 Years of Experience

A/B Testing Developer

Julius is a full-stack software engineer and engineering manager with 10+ years of professional experience. He has worked in multiple sectors, including marketplace, edutech, and fintech, and in companies ranging from early-stage startups to multinationals. Julius leverages his varied experience to remain flexible and pragmatic while delivering and maintaining clean code. He had experience working in microservices utilizing Kubernetes in GCP.

A/B TestingGitVisual Studio DevelopmentReact.jsJavaScriptMongoDBSQLPostgreSQLMeteorNode.jsTypeScriptPHPMySQL
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Artem Sukiasyan, Expert A/B testing Programmer for Hire.

Artem Sukiasyan

Verified Expert in Engineering
22 Years of Experience

A/B Testing Developer

Artem is a senior software engineer with 20+ years of career history focused on supporting different software systems. He has experience-backed expertise in back-end system creation with different technology stacks as well as strong skills in analysis, design, development, testing, and implementation of various applications. Artem is a supportive and enthusiastic team player who never gives up and prides himself on his efficient problem-solving abilities.

A/B TestingSpringSpring BootJavaBack-end DevelopersEnterprise ArchitectureC++
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Daniel Schaefer, A/B testing Engineer.

Daniel Schaefer

Verified Expert in Engineering
18 Years of Experience

A/B Testing Developer

Daniel is a software engineer with 17+ years of experience specializing in implementing DevOps. As part of an engineering team, he enjoys developing applications while owning code, tests, builds, deployments, infrastructure, and monitoring. Daniel believes in scalable, reliable, testable, and maintainable code.

A/B TestingSoftware DevelopmentPythonTerraformAgile DevelopmentAWS IAMGitOpen Source DevelopmentDevOpsFull-stackSoftware Architecture
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Mikhail Rakhmalevich, Freelance A/B testing Programmer for Hire.

Mikhail Rakhmalevich

Verified Expert in Engineering
14 Years of Experience

A/B Testing Developer

With 15 years of experience in software engineering, Mikhail has honed his skills in creating robust, user-friendly mobile and web applications. His extensive expertise spans various domains, including fintech, well-being, and social networking. Mikhail's career progression has seen him evolve from a passionate developer to a proficient product manager and project leader, known for his strategic vision and ability to lead cross-functional teams to success.

A/B TestingGitSwiftiOSXcodeREST APIObjective-CC++KotlinAndroidAgile DevelopmentJiraFirebase
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Nurzhan Dyussenaliyev, A/B testing Engineer.

Nurzhan Dyussenaliyev

Verified Expert in Engineering
8 Years of Experience

A/B Testing Developer

Nurzhan has worked for Google in London as an Android software engineer since mid-2016. Before joining Google, while at university, he created his own Android app (kuran.kz), which has over a million downloads and 4.9 stars! He also completed internships at Facebook and imo.im, a video messaging startup, both in Silicon Valley. Having participated and won many sport programming competitions in high school and university, Nurzhan programs quickly and in an optimized way.

A/B TestingAndroid
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