Master Coding withProfessional Tests

Elevate your programming skills with our comprehensive test series. Practice with real-world coding challenges and compete with developers worldwide.

500+
Coding Tests
50K+
Active Users
1M+
Tests Completed
Coding and Programming
Top Performer
You're in top 10%

Featured Coding Tests

Challenge yourself with our most popular and comprehensive coding tests. Designed by industry experts to help you excel in technical interviews.

Advanced

Advanced JavaScript Algorithms

Master complex algorithms and data structures in JavaScript. Perfect for technical interviews.

Algorithms Data Structures JavaScript
120 mins
2,340
4.8
Intermediate

React.js Development Challenge

Build complete React applications with hooks, state management, and modern patterns.

ReactHooksComponents
90 mins
1,890
4.9
Intermediate

Python Data Science Bootcamp

Comprehensive test covering pandas, numpy, and machine learning fundamentals.

PythonData ScienceML
150 mins
3,210
4.7
Expert

System Design Interview Prep

Practice designing scalable systems and discussing trade-offs like a senior engineer.

System DesignArchitectureScalability
180 mins
1,560
4.9
Advanced

Full-Stack Development Challenge

End-to-end web application development using modern frameworks and databases.

Full StackNode.jsDatabase
240 mins
1,120
4.6
Advanced

DevOps & Cloud Computing

Master Docker, Kubernetes, AWS, and CI/CD pipelines in this comprehensive test.

DevOpsAWSDocker
135 mins
890
4.8

Test Categories

Explore our comprehensive collection of coding tests across various domains. Find the perfect challenge to advance your skills.

145 tests

Programming Languages

Master fundamental and advanced concepts in popular programming languages

Popular Topics
JavaScript Python Java +2 more
98 tests

Web Development

Frontend and backend web development frameworks and technologies

Popular Topics
ReactAngularVue+2 more
76 tests

Database & SQL

Database design, optimization, and advanced SQL query challenges

Popular Topics
MySQLPostgreSQLMongoDB+2 more
62 tests

Mobile Development

iOS and Android app development using native and cross-platform tools

Popular Topics
React NativeFlutterSwift+2 more
89 tests

Cloud & DevOps

Cloud platforms, containerization, and deployment automation

Popular Topics
AWSDockerKubernetes+2 more
54 tests

Data Science & AI

Machine learning, artificial intelligence, and data analysis

Popular Topics
Machine LearningTensorFlowPyTorch+2 more
43 tests

Cybersecurity

Information security, ethical hacking, and security protocols

Popular Topics
Ethical HackingNetwork SecurityCryptography+2 more
31 tests

Game Development

Game engines, graphics programming, and interactive entertainment

Popular Topics
UnityUnreal EngineC#+2 more

Test Your Programming IQ

Take our comprehensive programming intelligence test and discover your coding aptitude level

🧠 Cognitive Assessment⏱️ 45 Minutes🏆 Get Certified

Why Choose Rays Test Series?

Join thousands of developers who have accelerated their careers with our comprehensive, AI-powered coding platform designed for real-world success.

50K+
Active Learners
95%
Success Rate
500+
Coding Challenges
4.9/5
User Rating

AI-Powered Learning

Our intelligent system adapts to your learning pace and identifies knowledge gaps.

Personalized study plans
Smart difficulty progression
Weakness identification

Expert-Crafted Content

Questions designed by engineers from Google, Meta, Amazon, and other top companies.

Real interview questions
Industry best practices
Latest technology trends

Instant Feedback

Get immediate results with detailed explanations and optimization suggestions.

Real-time code analysis
Performance metrics
Alternative solutions

Career-Focused Tracks

Structured learning paths designed for specific career goals and job roles.

Interview preparation
Skill certification
Career advancement

Flexible Learning

Study at your own pace with 24/7 access to all content and features.

Mobile-friendly platform
Offline access
Progress sync

Proven Success Rate

95% of our premium users report career advancement within 6 months.

Job placement success
Salary improvements
Skill validation

Everything You Need to Succeed

Our comprehensive platform provides all the tools, resources, and support needed to excel in technical interviews and advance your programming career.

Access to 500+ premium coding challenges
AI-powered personalized learning paths
Real-time code feedback and optimization tips
Interview simulation with timing and scoring
Progress tracking and performance analytics
Global leaderboards and peer comparisons
Expert explanations and multiple solution approaches
Career guidance and job placement support
Mobile app with offline capability
24/7 community support and mentorship
2x
Average salary increase after completion
85%
Land job offers within 3 months
30 days
Average time to see improvement
24/7
Support and learning availability

How We Compare to Traditional Learning

See why Rays Test Series is the preferred choice for serious developers

Traditional Methods

  • Generic, one-size-fits-all content
  • No real-time feedback
  • Limited practice problems
  • Expensive bootcamps
  • No career support
⚠️

Other Platforms

  • Outdated question formats
  • Limited explanations
  • No personalization
  • Poor user experience
  • Minimal community

Rays Test Series

  • AI-powered personalization
  • Instant detailed feedback
  • 500+ current challenges
  • Affordable pricing
  • 24/7 expert support

Ready to Accelerate Your Career?

Join the thousands of developers who have transformed their careers with Rays Test Series. Start your journey today with our free trial.

No credit card required
30-day money back guarantee

Student Leaderboard

See how you stack up against fellow coders. Compete, learn, and climb the ranks in our global programming community.

Top Performers This Month

Alex Chen

Alex Chen

🇺🇸Grandmaster
Full Stack127 tests45 day streak
98,750
points
PS

Priya Sharma

🇮🇳Master
AI/ML115 tests38 day streak
96,420
points
João Silva

João Silva

🇧🇷Master
DevOps108 tests32 day streak
94,890
points
#4
Emma Wilson

Emma Wilson

🇬🇧Expert
Frontend98 tests28 day streak
92,340
points
#5
Hiroshi Tanaka

Hiroshi Tanaka

🇯🇵Expert
Backend95 tests25 day streak
91,200
points

Recent Achievements

Sarah Johnson
Perfect Score in React Advanced
2 hours ago+1500 pts
Mike Rodriguez
Completed Python Mastery Series
4 hours ago+2200 pts
Lisa Wang
30-Day Coding Streak
6 hours ago+800 pts
David Kumar
Top 1% in System Design
8 hours ago+1800 pts

Your Progress

Current Rank#247
Total Points45,230
Tests Completed23
Current Streak7 days

Student Success Stories

Join thousands of developers who have accelerated their careers with our comprehensive coding test platform. Here's what they have to say about their journey.

95%
Success Rate
Students land better jobs
4.9/5
Average Rating
From 50,000+ reviews
2x
Salary Increase
Average after completion
30 Days
Average Time
To see improvement

"Rays Test Series completely transformed my interview preparation. The questions are exactly what you'll face at top tech companies. I landed my dream job at Google after just 3 months of practice!"

SM
Sarah Mitchell
Senior Software Engineer at Google
✓ Got hired at GoogleInterview Prep

"The variety and quality of coding challenges here is unmatched. I've improved my problem-solving skills dramatically and gained confidence in tackling complex algorithms."

Marcus Johnson
Marcus Johnson
Full Stack Developer at Microsoft
✓ Promoted to SeniorSkill Development

"As someone transitioning into data science, the Python and ML tracks provided exactly what I needed. The progressive difficulty and real-world scenarios made learning enjoyable."

Aisha Patel
Aisha Patel
Data Scientist at Tesla
✓ Career TransitionCareer Change

"The React and JavaScript challenges are incredibly well-designed. They helped me understand advanced concepts and patterns that I now use daily in my work at Airbnb."

David Chen
David Chen
Frontend Developer at Airbnb
✓ Technical Lead RoleFrontend Mastery

"The cloud and DevOps section is fantastic! It covers everything from basic concepts to advanced infrastructure management. Perfect for anyone looking to master modern deployment practices."

Elena Rodriguez
Elena Rodriguez
DevOps Engineer at Netflix
✓ DevOps CertificationCloud & DevOps

"The system design problems are exceptional. They really help you think like a senior engineer and understand the trade-offs in building scalable systems."

Ahmed Hassan
Ahmed Hassan
Backend Developer at Spotify
✓ System ArchitectSystem Design

Ready to Write Your Success Story?

Join over 50,000 developers who are advancing their careers with Rays Test Series

About Rays Test Series

We're on a mission to empower developers worldwide with the skills and confidence needed to excel in their coding careers.

Empowering Developers Since 2020

Rays Test Series was born from a simple observation: traditional coding interview preparation was broken. Developers needed a platform that not only tested their skills but actually helped them grow.

Today, we're proud to be the trusted partner for developers at every stage of their journey - from students preparing for their first job to senior engineers aiming for staff positions at top tech companies.

4.9/5
Platform Rating
2020
Founded
Software Development Team

Our Core Values

Excellence in Education

We're committed to providing the highest quality coding challenges and learning experiences.

Community Driven

Built by developers, for developers. Our community shapes every feature and improvement.

Global Accessibility

Making quality coding education accessible to developers worldwide, regardless of background.

Passion for Growth

We believe in the potential of every developer and are passionate about helping them succeed.

Our Impact in Numbers

50,000+
Active Students
Developers worldwide trust our platform
500+
Coding Challenges
Comprehensive test library
95%
Success Rate
Students achieve their career goals
150+
Countries
Global developer community
2M+
Tests Completed
Milestone achievements unlocked
99.9%
Platform Uptime
Reliable learning experience

Meet Our Leadership Team

Error loading image

Sarah Chen

Founder & CEO
Ex-Google, Stanford CS

Passionate about democratizing quality coding education worldwide.

Marcus Williams

Marcus Williams

CTO
Ex-Microsoft, MIT

Building scalable platforms that help developers achieve their potential.

Dr. Priya Patel

Dr. Priya Patel

Head of Curriculum
PhD Computer Science

Designing learning paths that accelerate career growth in tech.

Our Mission

"To create a world where every developer has access to the tools, knowledge, and opportunities they need to build exceptional software and advance their careers - regardless of their background or starting point."

Frequently Asked Questions

Find answers to common questions about Rays Test Series. Can't find what you're looking for? Our support team is here to help!

Categories

Need More Help?

Can't find the answer you're looking for? Our support team is available 24/7.

Most Popular Questions

How do I get started with Rays Test Series?

Getting started is easy! Simply sign up for a free account, complete your profile, and browse our test categories. We recommend starting with our 'Programming Fundamentals' track if you're new to coding challenges, or jump into specific language tracks based on your experience level.

What are the pricing options?

We offer a free tier with access to 50+ basic coding challenges, and premium subscriptions starting at $19/month. Premium includes unlimited access to all 500+ tests, detailed explanations, progress tracking, and priority support. We also offer annual plans with 20% savings.

What difficulty levels are available?

Our tests are categorized into four difficulty levels: Beginner (for those new to programming), Intermediate (1-2 years experience), Advanced (3-5 years experience), and Expert (5+ years or specialized knowledge). Each test clearly indicates its difficulty level and estimated completion time.

Which programming languages are supported?

We support 15+ programming languages including JavaScript, Python, Java, C++, Go, Rust, TypeScript, Swift, Kotlin, PHP, Ruby, C#, Scala, and more. You can solve most challenges in your preferred language, and we're constantly adding support for new languages based on community demand.

Still Have Questions?

Our team is here to help you succeed. Get in touch and we'll respond within 24 hours.

Get in Touch

Have questions about Rays Test Series? Need help with your account? Our dedicated support team is here to help you succeed in your coding journey.

Live Chat

Get instant help from our support team

Available 24/7

Email Support

Send us a detailed message

support@raysonline.in

Phone Support

Speak directly with our team

+91 9308654075

Community Forum

Connect with fellow developers

Join 50K+ members

Send us a Message

We typically respond within 24 hours

Support Hours

Monday - Friday9:00 AM - 9:00 PM PST
Saturday10:00 AM - 6:00 PM PST
Sunday12:00 PM - 6:00 PM PST
Emergency Support24/7 (Premium subscribers)
Premium 24/7 Support Available

Our Support Stats

Average Response Time< 2 hours
Customer Satisfaction98.5%
Issues ResolvedFirst Contact
Support Languages15+

Check Our FAQ First

Many common questions are already answered in our comprehensive FAQ section.