Hire the Top 3% of Freelance Information Retrieval Experts

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

No-Risk Trial, Pay Only If Satisfied.

Hire Freelance Information Retrieval Experts

Halim Abbas

Freelance Information Retrieval Expert
United States
Toptal Member Since October 24, 2019

Halim is a high-tech innovator who's spearheaded world-class data science projects at game-changing tech companies like eBay and Teradata. Formally educated in machine learning, his professional expertise spans information retrieval, natural language processing, and big data. Halim has a proven track record of applying state-of-the-art data science techniques across industry verticals such as eCommerce, web and mobile services, airline, and biopharma.

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Simone Romano

Freelance Information Retrieval Expert
Toptal Member Since January 3, 2022

Simone is a machine learning scientist and engineer with experience in academia and enterprises, including Microsoft and Huawei. He likes to work at the intersection of deep machine learning, NLP, and information retrieval. Simone also loves to work on exploration analysis and building theoretically sound machine learning pipelines ready for production. He especially enjoys building web products.

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Ales Franek

Freelance Information Retrieval Expert
Czech Republic
Toptal Member Since March 22, 2021

Ales is a data scientist with eight years of experience in machine learning, natural language processing, information retrieval, data analysis, and data visualization. He is also a strong Python programmer, writing readable, modular, and efficient code. Ales has often owned all parts of the development cycle, from product discovery to production deployment, focusing on impact, pragmatism, and finding creative solutions to business needs that deliver exceptional value.

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Elinor Brondwine

Freelance Information Retrieval Expert
United States
Toptal Member Since November 12, 2018

Elinor is a developer and researcher with a strong background in mathematics. Passionate about design and UX, she also utilizes her proficiency in Python, R, C++, and SQL to deliver world-class applications.

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Paweł Balon

Freelance Information Retrieval Expert
Toptal Member Since February 22, 2022

Paweł is a former competitive programmer, and by the age of 25, he had already become the global head of AI research for UBS IB Tech. As a cross-functional technology leader, he's worked with teams across Poland, Singapore, the US, and the UK. Even as an executive, Paweł stayed close to tech, thoughtfully translating the newest AI research into business products. Paweł is known for designing one of the best information retrieval platforms in the world. He's fluent in Python and in love with NLP.

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Carlos del Cacho

Freelance Information Retrieval Expert
Toptal Member Since November 2, 2019

With 15+ years of experience, Carlos has deep technical knowledge within the AI space. A rare breed with expertise in data engineering, data science, and general software architecture. A techie with a business heart, he has gained wisdom in online business models, retention strategies, churn analysis, LTV computation, and sales forecasting within a variety of industries.

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Bonny Pradhan

Freelance Information Retrieval Expert
United States
Toptal Member Since December 8, 2021

Bonny has worked in global data analytics teams as a business intelligence consultant, team lead, ETL, and reporting developer. Her client base for data analytics has been from the retail domain, including top-tier retailers worldwide. Her work involves understanding business requirements, proposing optimal solutions, and developing solutions that meet client expectations. Bonny takes ownership, delivers on time, and aims for the best possible outcome in any given scenario.

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Michael Völske

Freelance Information Retrieval Expert
Toptal Member Since November 5, 2021

Michael has a PhD in computer science, a decade of experience solving complex data problems, and a dozen publications at top-tier international venues like SIGIR, CIKM, and ACL—many of them based on web-scale datasets. He excels in planning, procuring, and installing the on-premise data processing infrastructure spanning hundreds of servers, petabytes of disk, and petaflops of compute. Michael has a broad knowledge of modern machine learning and teaches the fundamentals to hundreds of students.

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Konstantin Akimov

Freelance Information Retrieval Expert
Toptal Member Since May 21, 2020

Konstantin is a developer with eight years of experience—five of them involving the back-end development of high-load systems in C++, Java, and Python and the other three, developing the core functionality of user apps, network communication, and architecture. Recently, Konstantin served as the lead of a dev team of 14, which taught him not only about the tech side of a business but also about how crucial communication, soft skills, and product vision are to the delivery of a product.

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Ricardo G. Sousa

Freelance Information Retrieval Expert
Toptal Member Since May 13, 2024

Ricardo is an experienced AI and product strategy expert and a major eCommerce platform lead. He has created advanced automations and AI personalization, recommendation, and search models, generating an annual revenue uplift of over $16 million. With 10+ years of experience, Ricardo excels at driving the development and successful launch of innovative AI platforms at scale, from early-stage startups to mature enterprises, translating data-driven insights into strategic competitive leverage.

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Laura Tolosi

Freelance Information Retrieval Expert
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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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 Information Retrieval 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 Information Retrieval expert for your project. Average time to match is under 24 hours.

The Right Fit, Guaranteed

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


  • How are Toptal Information Retrieval experts different?

    At Toptal, we thoroughly screen our Information Retrieval 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 Information Retrieval experts in less than 48 hours through Toptal?

    Depending on availability and how fast you can progress, you could start working with an Information Retrieval expert within 48 hours of signing up.

  • What is the no-risk trial period for Toptal Information Retrieval experts?

    We make sure that each engagement between you and your Information Retrieval 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 Information Retrieval Experts Are in High Demand.

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