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Hire the Top 3% of Sentiment Analysis Developers

Hire vetted sentiment analysis developers on demand. Leading companies choose sentiment analysis freelancers from Toptal for their most important development projects.

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Clients rate Toptal sentiment analysis developers 5 / 5.0 on average based on 310 reviews.
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Ridvan Döngelci

Sentiment Analysis Developer
UTC-08:00
Canada
Toptal Member Since January 18, 2022

Ridvan is a back-end developer with extensive experience in Java and Android applications. Having worked for Amazon for more than four years, he is very familiar with Amazon Web Services (AWS). As a goal-oriented and delivery-focused professional, Ridvan enjoys delivering innovative solutions and highly scalable distributed systems.

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Alexander Chistyakov

Sentiment Analysis Developer
UTC-07:00
United States
Toptal Member Since December 30, 2025

Alexander is a senior full-stack ML engineer with 6+ years of experience. He has worked in quantitative finance, developing ML-based trading and arbitrage strategies, as well as quantitative sports betting. He has designed, deployed, and built robust data pipelines for GBDTs, regression models, and transformers. With extensive experience in PyTorch, LightGBM, XGBoost, and numerous other models, Alexander is skilled in deploying infrastructure and creating pipelines from scratch on bare Linux.

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Gustavo Franco

Sentiment Analysis Developer
UTC-05:00
United States
Toptal Member Since March 19, 2026

Gustavo is a versatile AI architect, lead data scientist, and prompt engineer with 12+ years of experience. He has designed and delivered scalable, production-grade machine learning (ML) and generative AI (GenAI) solutions for government, retail, and enterprise clients. Gustavo is an expert in large language models (LLMs), agentic systems, NLP, MLOps, and cloud-based infrastructure, including Azure and AWS.

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Arman A Anwar

Sentiment Analysis Developer
UTC-05:00
United States
Toptal Member Since April 16, 2025

Arman is an AI systems expert with a proven track record of building enterprise-grade intelligent solutions that drive business outcomes. Organizations like DARPA and Samsung have trusted him to solve complex problems and deliver real-world impact. Arman is passionate about next-gen AI, especially systems that demand multi-modal reasoning, precise inference, and knowledge-based thinking.

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Mauro Schilman

Sentiment Analysis Developer
UTC-03:00
Argentina
Toptal Member Since July 6, 2015

While in high school, Mauro competed in several International Math Olympiads and has since continued his love for problem-solving and abstract thinking. He has worked at Google, Booking.com, and Cohere, among other companies, specializing in AI research engineering. Currently, he is an AI advisor and entrepreneur.

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Nino Mumladze

Sentiment Analysis Developer
UTC+00:00
United Kingdom
Toptal Member Since April 2, 2021

Nino is a software engineer with a proven record of industry experience in back-end development and data engineering with companies like Amazon and Meta. She has both theoretical and practical knowledge in cloud computing and distributed systems backed by a bachelor's degree in computer science. Nino will also complete a master's degree in data engineering and analytics from the Technical University of Munich in 2021.

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Wassim Seifeddine

Sentiment Analysis Developer
UTC+01:00
France
Toptal Member Since September 23, 2022

Wassim is a software engineer with 7+ years of experience, including 4+ years in machine learning. He worked with various clients, from startups to research institutes to multinational corporations, leveraging various technologies, including ChatGPT and DeepSeek. Wassim stands out from the crowd because he is thorough about building scalable solutions that are adaptive to business requirements.

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Laura Tolosi

Sentiment Analysis Developer
UTC+02:00
Bulgaria
Toptal Member Since February 4, 2019

Laura has a Ph.D. from the Max Planck Institute for Informatics, Germany, in the field of computational biology, focused on cancer biomarker detection using statistics and machine learning. She worked on projects in the field of natural language processing such as named entity recognition, sentiment analysis, fake news detection. Recently, she has worked on applying reinforcement learning methodology for trading financial instruments.

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Stefan Lazov

Sentiment Analysis Developer
UTC+02:00
Bulgaria
Toptal Member Since December 10, 2021

Stefan is a machine learning engineer with around four years of experience in ML and deep learning. He has worked on various industry and research projects. Currently, Stefan is interested in working with new people and using his talent to develop applications that help people automate tasks. He also has experience in ASP.NET, ASP.NET Core, SQL, PostgreSQL, Mongo DB, Docker, and microservices.

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Arsine Sarikyan, PhD

Sentiment Analysis Developer
UTC+04:00
Armenia
Toptal Member Since November 4, 2022

Arsine is a creative and scientifically rigorous data scientist with over three years of experience. Her experience includes designing experimentation processes such as data collection, robustness checks, and explainability, developing ML and AI strategies, and conducting NLP research. She specializes in causal analytics to answer the why question and find hidden patterns and relationships. Arsine contributes to the research community by writing and publishing academic papers.

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Yanchuan Sim

Sentiment Analysis Developer
UTC+07:00
Singapore
Toptal Member Since June 6, 2016

Yanchuan is a PhD candidate in language technologies from Carnegie Mellon University with over seven years of experience working with machine learning systems and cutting-edge technologies in natural language processing. Currently, he works with several startups to incorporate ML and NLP technologies into their 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
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Leading a digital transformation
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Building a cross-platform app to be used worldwide
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Drilling into real-time data creates an industry game changer
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Testimonials

How to Hire Sentiment Analysts Through Toptal

1

Talk to One of Our Client Advisors

A Toptal client advisor will work with you to understand your goals, technical needs, and team dynamics.
2

Work With Hand-selected Talent

Within days, we’ll introduce you to the right sentiment analysis expert for your project. Average time to match is under 24 hours.
3

The Right Fit, Guaranteed

Work with your new sentiment analysis 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 Sentiment Analysis 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.

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FAQs

  • Typically, you can hire sentiment analysis developers with Toptal in about 48 hours. For larger teams of talent or full end-to-end project 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 sentiment analysis 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.

  • To hire the right sentiment analyst, 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 sentiment analysis developers for your project.

  • At Toptal, we thoroughly screen our sentiment analysis experts 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 sentiment analysis experts with Toptal, you’ll always work with world-class, custom-matched sentiment analysis developers ready to help you achieve your goals.

  • You can hire sentiment analysis developers on an hourly, part-time, or full-time basis. Toptal can also manage the project end-to-end based on your specific requirements as part of our Consulting and Services offerings. Whether you hire a sentiment analysis 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 sentiment analysis developers can fully integrate into your existing team for a seamless working experience.

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

Toptal Lets You Hire Fast,
With Unparalleled Success

  • Trusted Talent Only

    Trusted Talent Only

    Our talent network is composed of thoroughly vetted professionals who ramp up quickly, function as essential team members, and deliver results.

  • Precise Matching

    Precise Matching

    Our experienced talent matchers specialize in identifying talent that fits your needs. They work to understand your exact requirements and hand-select the best professionals for your project.

  • Seamless Hiring

    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

    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

    Effortless Scaling

    We help you scale your team up or down as needed, with quick and efficient hiring in under 48 hours.

  • Flexible Engagements

    Flexible Engagements

    Our flexible engagement models allow you to choose the engagement type that suits your needs and adjust it anytime: hourly, part time, or full time.

Top Sentiment Analysis Developers Are in High Demand.

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