Scale big at a reasonable price
Build apps that teach and assess coding skills
Out-of-the-box software components and APIs that enable you to create flexible and scalable coding skills assessment solutions and code execution environments.
Try for free
5​’​000​’​000+
code submissions every month
2​’​000​’​000+
end users across the world
Brands we’ve worked with
Trusted by
What we offer
Our products
Sphere Engine Compilers
Compile and run source code inside your application.
Sphere Engine Compilers allows for remote code execution, retrieving and displaying its results. We support 80+ programming languages and many industry-standard libraries.
Find out more
Sphere Engine Problems
Set up programming problems and assess the coding skills of your users.
Create, manage, and display programming problems inside your software application. Sphere Engine Problems saves your time, money, and automates tracking the progress of your end users.
Find out more
Sphere Engine IDE Beta
Embed an online IDE inside your software solution.
Use Sphere Engine IDE to teach real-life programming skills. Asses coding skills of your users in scenarios involving latest software technologies. Embed inside your software documentation to increase adoption.
Find out more
What's included
Powerful service
User-friendly Challenge Management System for creating and testing programming problems
Examples of programming challenges
Powerful and detailed performance reports 
and real-time rankings
Ability to create fully customized testing and ranking formulas with numerous test cases
Secure infrastructure with support and maintenance
Unique know-how of our team and detailed documentation for developers
See the benefits
Enterprise ready
With 24/7 support, SLA, custom feature development, a dedicated infrastructure as well as an on-premise solution, Sphere Engine is a single service to run recruitment, assessment, and e-learning projects at scale and save your money. Secure by design.
Find out more
What our clients say
Customer testimonials
Day by day our company meets different challenges. Without committed and talented employees we would not be able to do anything brilliant.
Ever since 2009, we have used Sphere Engine to test the skills of programmers, before hiring them in our company. Thanks to products co-developed with Sphere Research Labs we have access to thousands of highly competent job-seekers in the IT industry!
Bhavin Turakhia, CEO and Founder
Directi Corporation
Start integrating
Fully-functional free trial
No credit card details needed. Start testing your idea and building your application instantly. Share your use case with us and we’ll help you out with your first steps.
Try for free

hello@sphere-engine.com
al. Zwycięstwa 96/98
81-451 Gdynia, Poland
Sphere Research Labs Sp. z o.o.
Tax ID (NIP/VAT EU): PL5862219354
NCR (KRS): 0000316381
Gdańsk-Północ District Court
Products
Compilers
Problems
IDE
Product comparison
Frequently Asked Questions
Documentation
Compilers
Problems
Supported languages
© 2010 - 2021
Terms of service
Privacy policy
GDPR clause
About us
Blog
Contact us
Sphere EngineProductsCompilersProblemsIDEBenefitsEnterpriseDocsPricing Sign in Try for free