Hire the top 3% of freelance algorithm developers.

Toptal is a marketplace for top algorithm developers, programmers, coders, and architects. Top companies and start-ups choose Toptal freelance algorithm developers for their mission critical software projects.

We've been blown away by the level of talent we've been able to hire through Toptal.

Brad Rozran, Optimizely

Trusted by leading brands and startups

Our Exclusive Network of Algorithm Developers

Etienne de Boursetty

Algorithm Developer

Etienne has been working in the financial industry for 10 years, building models and market analysis tools for traders at world class financial institutions... and hedge funds. Working primarily in C#, he has designed and developed large scale data analysis platforms that allowed business-focused team members to quickly crunch vast quantities of numbers efficiently. 

Hire Etienne

Raphael do Vale Amaral Gomes

Algorithm Developer

Raphael has over a decade of experience in developing web apps including coding, project planning, and specification. He has worked in several Java and Java...Script projects during his career. His technology stack involves Java, Spring, relational databases, and JavaScript tech with jQuery and Knockout. He has a PhD in the semantic web arena—winning awards during his studies. He's also worked with description logic, Prolog, RDF, and OWL tech. 

Hire Raphael

Richard Hardebeck

Algorithm Developer

Richard has worked at a broad range of companies from small startups to large multinationals with often overlapping roles of software developer, quantitativ...e analyst, and financial market professional. He is comfortable with all aspects of software development, from writing efficient algorithms and data structures and designing full system architectures to managing and improving interfaces with legacy code. 

Hire Richard

Ronald In 't Velt

Algorithm Developer

Ronald has over 15 years of experience in designing and developing IT solutions, working with startups as well as Fortune 500 companies. He currently devel...ops mobile apps using the Xamarin cross-platform environment, using C# in Visual Studio, and also develops native iOS apps using Objective-C. He communicates well with both business and technical stakeholders, and has a strong track record in rapid prototyping. 

Hire Ronald

Thomas Reinhardt

Algorithm Developer

Thomas started programming at the age of 9, and is fascinated by the world of computer vision, AI, and robotics. He has been working as a freelancer for abo...ut a decade. His focus is on algorithm development for challenging computer vision and machine learning tasks. He is a great communicator and an enthusiastic developer. 

Hire Thomas

Aljosa Bilic

Algorithm Developer

Aljosa is a data scientist and developer who has more than eight years of experience building statistical/predictive machine learning models, analyzing nois...y data sets, and designing and developing decision support tools and services. He joined Toptal because freelancing intrigues him, and the best projects and people are to be found here. 

Hire Aljosa

Aistis Baltrus

Algorithm Developer

Aistis has worked for top tier banks. He's a seasoned algorithmic trader, quantitative analyst, developer, and strategist who can implement complex and chal...lenging algorithmic and quantitative analysis trading tasks in MATLAB, C#, C++, OpenQuant, TradeStation, SQL, ZeroMQ, and CQG. 

Hire Aistis

Arthur Stankevich

Algorithm Developer

Arthur has 15 years of professional software development, mostly with .NET and SQL Server. He started with desktop database applications, moved to client-se...rver application development and project management for real-time systems with clients and servers distributed over four continents. 

Hire Arthur

Konstantin Medvedev

Algorithm Developer

Konstantin is a software engineer with more than eighteen years of financial sector database work. He has long term experience in the development and perfor...mance optimization of large databases with diverse data structures. His SQL and DB creation skills are top-notch and he has an excellent grasp of ERP, ERM, and SQL scripts. He is a good communicator and works well with others. 

Hire Konstantin

Hire Algorithm Developers Seamlessly with Toptal

1
Talk to One of Our Industry Experts
A Toptal director of engineering will work 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 algorithm developer for your project. Average time to match is under 24 hours.
3
The Right Fit, Guaranteed
Work with your new algorithm developer for a trial period (pay only if satisfied), ensuring they're the right fit before starting the engagement.

FAQs

  • How are Toptal algorithm developers different?

    At Toptal, we thoroughly screen our algorithm developers to ensure we only supply experts of the highest caliber. Of the more than 100,000 people who apply to join the Toptal network each year, we accept fewer than 3%. You'll work with engineering experts (never generalized recruiters or HR reps) to understand your goals, technical needs, and team dynamics. The end result: expertly-matched talent from our network, hand-selected to fit your business needs.

  • What is the no-risk trial period for algorithm developers?

    We make sure that each engagement between you and your algorithm 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.

  • How fast can I hire algorithm developers through Toptal?

    Depending on availability and how fast you can progress, you could start your no-risk trial with an algorithm developer within 48 hours of signing up. Most of our engagements start within 2 weeks of discussing your project with us.

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 in under 2 weeks 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 Algorithm Developers are in high demand.

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