Hire the Top 3% of Freelance Retrieval-Augmented Generation (RAG) Developers

Toptal is a marketplace for dedicated Retrieval-Augmented Generation (RAG) developers, engineers, programmers, coders, architects, and consultants. Top companies and startups choose Toptal RAG freelancers for their mission-critical development projects.

Hire Freelance Retrieval-Augmented Generation (RAG) Developers and Engineers

Maohao Ran

Freelance Retrieval-Augmented Generation (RAG) Developer
United KingdomToptal Member Since February 26, 2024

Maohao is a seasoned software engineer with eight years of experience across various industries, including environmental, transportation, automotive, and agriculture. His career has featured impactful roles at BMW and Sichuan Guolan Zhongtian Environmental Technology Group. Maohao is passionate about leveraging his technical expertise to solve complex problems and drive innovation. He excels in various technical proficiencies, including Python, PHP, Node.js, C/C++, and Rust.

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Daniel Tunnermann

Freelance Retrieval-Augmented Generation (RAG) Developer
BrazilToptal Member Since October 5, 2022

Daniel is a software engineer with over a decade of experience delivering back-end and full-stack projects. With a master's degree in computer science, he incorporated machine learning into his projects, including natural language processing and speech models. Daniel's primary programming languages are Python and Java, but he is adept at applying other skills to deliver results.

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Snigdha Sharma

Freelance Retrieval-Augmented Generation (RAG) Developer
IndiaToptal Member Since August 23, 2023

Snigdha is an experienced engineer specializing in software development, NLP, computer vision, machine learning, and AWS technologies. She has worked with companies of many shapes and sizes, from a month-old startup still iterating on its ideas to a large bank like JPMorgan Chase to one of the fastest growing names in HR tech—Eightfold.ai. Snigdha has gained insightful experience in several industries, including pharmaceuticals, media and entertainment, national security, fintech, and HR tech.

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Pedro Lima

Freelance Retrieval-Augmented Generation (RAG) Developer
PortugalToptal Member Since September 27, 2017

Pedro is a software developer and architect specializing in data science, machine learning, and AI. He has extensive experience in the end-to-end process of conceiving, designing, developing, and deploying data applications for large companies and startups.

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Denis Volk

Freelance Retrieval-Augmented Generation (RAG) Developer
SwitzerlandToptal Member Since March 18, 2020

Denis is a senior full-stack AI engineer and data scientist, highly skilled in modern generative tech (GPT-4, Midjourney, and more), machine learning, ETL pipelines, data analysis, mathematical modeling, big data, and MLOps. He has a PhD in mathematics, and his data science expertise includes probabilistic risk modeling, revenue forecasting, geospatial data analysis, handwriting recognition, anomaly detection in time series, data engineering, and team leading.

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Yusuf Mesbah

Freelance Retrieval-Augmented Generation (RAG) Developer
United Arab EmiratesToptal Member Since July 26, 2022

Yusuf is a prominent software engineer with a strong background in computer science, specializing in math, logic, and cross-platform coding. Inquisitive and energetic, he believes his devotion to technology and hardworking attitude will always encourage him to overcome the most complex challenges and deliver his clients the best possible solutions. Yusuf has excellent collaboration and communication skills and proven problem-solving and analytical abilities.

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Peter Skvarenina

Freelance Retrieval-Augmented Generation (RAG) Developer
GermanyToptal Member Since April 4, 2022

Peter is a high-energy developer looking for exciting projects that he can help grow. He has experience working in both large corporations and startups, having worked for some of the best tech companies, like JetBrains, Nokia, and SUN, and contributed to many #1 solutions in their areas. After completing a master’s in computer science and machine learning, Peter is now expanding his knowledge of deep learning at Stanford, exploring its use to automate cognitive tasks.

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Alexey Pelykh

Freelance Retrieval-Augmented Generation (RAG) Developer
FranceToptal Member Since October 1, 2013

Alexey is a seasoned full-stack generalist and software industry expert known for his exceptional issue-cracking skills. He's most proficient in Java/Spring and Node.js/NestJS for the back end and React for the front end and has an insanely strong background in cross-platform C++ development.

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Sheng Han Lim

Freelance Retrieval-Augmented Generation (RAG) Developer
MalaysiaToptal Member Since July 29, 2022

Sheng Han is a senior machine learning (ML) engineer with 10 years of experience in the research, development, and application of various ML, AI, and industry 4.0 solutions. He has turned big data into valuable actions, with a demonstrated history of driving business efficiencies and cost reductions. He is proficient in computer vision, NLP, anomaly detection, and prediction tasks. Sheng Han passionately believes in AI and data science and their potential to positively change human life.

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Marcos Pereira

Freelance Retrieval-Augmented Generation (RAG) Developer
PortugalToptal Member Since July 28, 2017

Marcos is a full-stack developer with over a decade of experience building and maintaining market-defining products. His machine learning background includes a deep learning research stint at MLC under Rosanne Liu (Google DeepMind). He also nurtures an interest in 3D games and simulations, most often relying on the Unity engine, where he has found success as an asset store publisher.

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Anand Ramanathan

Freelance Retrieval-Augmented Generation (RAG) Developer
United StatesToptal Member Since April 29, 2020

Anand is a leading applied scientist in LLM/GPT applications, blending engineering proficiency, product expertise, & the latest scientific insight. He has 20+ years of experience at Microsoft, Amazon, startups, & consulting. He is proficient in NLU, NLP, Python, & AI engineering. His innovative use of GPT for user-centric solutions enables him to skillfully transform complex AI technologies into efficient, practical products, consistently leading in industry advancements & setting new standards.

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Discover More Retrieval-Augmented Generation (RAG) Developers in the Toptal Network

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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 Retrieval-Augmented Generation (RAG) Developers 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 Retrieval-Augmented Generation (RAG) developer for your project. Average time to match is under 24 hours.

The Right Fit, Guaranteed

Work with your new Retrieval-Augmented Generation (RAG) developer for a trial period (pay only if satisfied), ensuring they're the right fit before starting the engagement.


  • How are Toptal Retrieval-Augmented Generation (RAG) developers different?

    At Toptal, we thoroughly screen our Retrieval-Augmented Generation (RAG) developers 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 Retrieval-Augmented Generation (RAG) developers in less than 48 hours through Toptal?

    Depending on availability and how fast you can progress, you could start working with a Retrieval-Augmented Generation (RAG) developer within 48 hours of signing up.

  • What is the no-risk trial period for Toptal Retrieval-Augmented Generation (RAG) developers?

    We make sure that each engagement between you and your Retrieval-Augmented Generation (RAG) 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 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 Retrieval-Augmented Generation (RAG) Developers Are in High Demand.

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