Evaluate API design, database skills, and server-side expertise

Backend Developer Test

Our backend developer test assesses the complete range of server-side skills: from API design and database management to security practices and system architecture. Identify candidates who build robust, scalable backend systems.

Move beyond algorithm puzzles with practical backend challenges that reveal how candidates actually approach API development, database design, and system architecture—the skills that matter for building reliable services.

Backend developer test interface showing API endpoints, database schema, and server-side code

Comprehensive evaluation of backend competencies

Skills Assessed

Our backend developer assessment evaluates both technical implementation skills and architectural thinking that distinguishes exceptional backend engineers.

API Design & Development
Evaluate ability to design RESTful APIs with proper endpoints, status codes, authentication, and documentation.
Database Skills
Assess SQL proficiency, schema design, query optimization, and understanding of NoSQL when appropriate.
Server-Side Logic
Test ability to implement business logic, handle errors gracefully, and write maintainable backend code.
Authentication & Security
Evaluate understanding of OAuth, JWT, session management, and secure coding practices.
Performance & Scaling
Assess knowledge of caching strategies, database indexing, async processing, and horizontal scaling.
System Integration
Test ability to work with third-party APIs, message queues, and microservices architectures.

Practical assessments for backend roles

Test Components

Our backend developer test combines multiple assessment types to thoroughly evaluate candidates' server-side development abilities, from API design to database optimization.

Scalability, security, and production readiness

Advanced Topics

Beyond core skills, assess understanding of performance optimization, security best practices, and building production-ready backend systems.

Why companies use CodeSubmit for backend hiring

Benefits for Hiring Teams

Join companies that use practical assessments to build high-performing backend teams that power reliable, scalable applications.

Test Real Backend Skills
Move beyond algorithmic puzzles to see how candidates build production APIs and services.
Evaluate Database Expertise
Assess actual SQL skills, schema design abilities, and query optimization knowledge.
Verify Security Knowledge
Ensure candidates understand authentication, authorization, and secure coding.

Simple process, comprehensive evaluation

How the Backend Test Works
1

Select Challenge Type

Choose from API development, database design, or full-stack backend challenges. Customize for your tech stack (Node.js, Python, Go, Java).

2

Invite Candidates

Send assessment invitations. Candidates get access to a development environment with databases, testing tools, and API clients pre-configured.

3

Review Submissions

Review API implementations, database schemas, and code quality. Get AI-assisted analysis of architecture decisions and best practices.

4

Conduct Live Sessions

Use CodePair for live coding sessions where you can see candidates debug issues, extend APIs, and discuss system design decisions.

4-step assessment workflow: select challenge, invite candidates, review submissions, conduct live sessions

Start assessing candidates with practical API challenges

Ready to Hire Better Backend Developers?

Get started in minutes with our backend developer test. Access our library of API challenges, database exercises, and full-stack backend assessments.

Build backend teams that deliver robust, scalable, secure services.

I like how the library challenges are structured around on-the-job skills. The experience for candidates is excellent. They work locally with the IDE and tools they are most comfortable with.

Kevin Sahin
Kevin Sahin
Co-Founder @ ScrapingBee
Kevin Sahin