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Hire the Top 3% of Optuna Developers

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

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Find and hire Top Optuna Developers worldwide. Simply click on your preferred time zone on the map.

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Yifan Bai

Optuna Developer
UTC-08:00
Canada
Toptal Member Since July 6, 2026

Yifan is a senior machine learning engineer with 7+ years of experience specializing in large language models, graph neural networks, and NLP for security and enterprise clients, including Microsoft and Fortinet. Yifan excels at building scalable ML infrastructure and end-to-end pipelines, having improved production inference latency by 20% at Fortinet. Yifan's expertise spans Python ML frameworks, Java REST APIs, and cloud platforms across high-throughput environments.

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Mehdi Sattari

Optuna Developer
UTC-06:00
United States
Toptal Member Since March 2, 2026

Mehdi is an experienced data scientist who specializes in scalable machine learning, predictive modeling, and end-to-end data solutions. He thrives across fintech and industrial environments. Additionally, he has a strong background in customer segmentation, churn prediction, and credit risk analysis.

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Jan Krepl

Optuna Developer
UTC+01:00
Switzerland
Toptal Member Since July 14, 2023

Jan is a lead machine learning (ML) engineer with expertise in cloud architecture, full-stack development, and freelance software engineering across diverse projects. He designs and deploys machine learning solutions with a strong focus on natural language processing, computer vision, and time series analysis, and seamlessly embeds them into full-stack applications. Outside work, Jan contributes to open-source projects and shares technical knowledge through educational content.

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Alex Burlacu

Optuna Developer
UTC+01:00
Moldova
Toptal Member Since May 24, 2022

Over the years, as an experienced machine learning engineer, Alex dealt with diverse problems, ranging from computer vision to natural language processing and time series forecasting. He has worked as a single engineer on the project several times, and despite scarce data and few computational resources, he succeeded where others failed. He has acted as a machine learning team lead for the past few years. In his spare time, Alex enjoys engaging in independent lecturing and ML research.

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Nicolaj Schmit

Optuna Developer
UTC+01:00
Denmark
Toptal Member Since October 16, 2020

Nicolaj's passion for making sense of data led him to his career today. He creates solutions from data—building comprehensive proof-of-concept models to give the customer the relevant insights and take the models to production in the cloud. Education-wise, Nicolaj has a background in mathematics, quantitative finance, machine learning, and economics.

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Luka Mladenovic

Optuna Developer
UTC+01:00
Serbia
Toptal Member Since September 1, 2026

Luka is an AI engineer with 5 years of experience delivering end-to-end AI/ML/LLM systems across high-scale SaaS and finance. He has a proven track record of taking high-stakes projects from 0 to 1 across ML and NLP, and of adapting LLMs for domain-specific use, adding significant business value. Luka is a pragmatic problem-solver with excellent communication skills, adept at collaborating with stakeholders and diverse business and engineering teams to deliver impactful AI solutions.

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Dauren Baitursyn

Optuna Developer
UTC+04:00
United Arab Emirates
Toptal Member Since November 18, 2021

Dauren is an AI engineer with 8+ years of experience building production ML systems, from LLM-powered applications to distributed training pipelines. He specializes in NLP (BERT, GPT, spaCy), conversational AI (Rasa, RAG), and MLOps (MLflow, Ray). He's built systems processing millions of records with LLM classification, semantic search, and ensemble forecasting. With a CS degree from KAIST (top 50 QS), Dauren delivers end-to-end AI solutions from research to production.

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Shadab Arif Ansari

Optuna Developer
UTC+05:00
India
Toptal Member Since October 9, 2025

Shadab is an AI Engineer with 8+ years of experience building production-grade AI and ML systems across healthcare, fintech, and enterprise domains. He specializes in Agentic AI, LLMs, RAG, GraphRAG, LangGraph, and Python. Shadab is experienced in designing scalable AI architectures, multi-agent workflows, and cloud deployments that turn complex business processes into reliable, measurable AI solutions.

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Divyashakti Kumar

Optuna Developer
UTC+05:00
India
Toptal Member Since June 26, 2025

Divyashakti is a senior AI engineer with over 8 years of experience leading the shift from predictive analytics to Agentic AI and autonomous systems. He specializes in designing multi-agent workflows, generative AI applications, and advanced NLP/vision pipelines. With a proven track record in leveraging scalable LLMOps, he deploys reasoning-driven, enterprise-grade AI solutions that automate complex operations, optimize decision-making, and deliver immediate business value.

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Ibrahim Mahmoud Ahmed, Ph.D.

Optuna Developer
UTC+08:00
Australia
Toptal Member Since April 22, 2019

Ibrahim is a veteran data scientist and software developer with a passion for deep learning and extensive experience in statistics and time series. Ibrahim is interested in helping businesses take full advantage of their data and take data-driven actions. His principle is to observe, model, and corroborate, disrupting the status quo with artificial intelligence.

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Simon Cruise

Optuna Developer
UTC+08:00
Singapore
Toptal Member Since September 12, 2022

Simon has decades of experience delivering robust back-end and front-end systems for brands like Colgate-Palmolive, Yahoo! Sports, BBC, and Cable & Wireless. He always pushes software excellence through continuous integration, automated testing, and collaborative Agile practices. Simon excels at guiding teams and fostering innovation by integrating modern coding standards and machine learning to build scalable, future-ready software that keeps clients ahead in fast-changing markets.

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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
Testimonials

How to Hire Optuna Developers 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 Optuna developer for your project. Average time to match is under 24 hours.
3

The Right Fit, Guaranteed

Work with your new Optuna 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 Optuna 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 Optuna 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 Optuna 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 Optuna 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 Optuna developers for your project.

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

  • You can hire Optuna 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 Optuna 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 Optuna developers can fully integrate into your existing team for a seamless working experience.

  • We make sure that each engagement between you and your Optuna 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 Optuna 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 Optuna Developers Are in High Demand.

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