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HackerRank

Industry-standard skill certifications from HackerRank covering Python, SQL, JavaScript, React, Problem Solving, and Backend Engineering. Verified technical skill badges for developer portfolios.

25 Vetted Tracks
•
25 Free Certificates
•
8.2 / 10 Rating

Featured Learning Tracks (25)

All courses are 100% free to access with zero tuition paywalls.

BeginnerProgramming
8.4 Rating

Python (Basic) Certification

Validate your Python programming skills with HackerRank's official skill certification. Covers scalar types, operators, control flow, strings, and functions.

PythonProgrammingProblem SolvingData Types
1.5 hours
Free Certificate
Access Track ↗
BeginnerProgramming
8.4 Rating

JavaScript (Basic) Certification

Prove your JavaScript fundamentals with HackerRank's skill verification. Covers data types, functions, currying, hoisting, and scope.

JavaScriptProgrammingWeb DevelopmentFunctions
1.5 hours
Free Certificate
Access Track ↗
BeginnerDatabase
8.5 Rating

SQL (Basic) Certification

Demonstrate your SQL proficiency with HackerRank's skill assessment. Covers query construction, joins, aggregations, and database fundamentals.

SQLDatabase QueriesJoinsAggregations
1 hour
Free Certificate
Access Track ↗
IntermediateWeb Development
8.3 Rating

React (Basic) Certification

Validate your React.js skills with HackerRank's frontend developer certification. Covers components, props, state, hooks, and React fundamentals.

ReactJavaScriptFrontend DevelopmentComponent Architecture
1.5 hours
Free Certificate
Access Track ↗
IntermediateProgramming
8.3 Rating

Python (Intermediate) Certification

Validate intermediate Python skills including OOP, decorators, lambdas, and advanced data structures. Free skill certification from HackerRank.

PythonOOPDecoratorsLambda Functions
1.5 hours
Free Certificate
Access Track ↗
IntermediateProgramming
8.3 Rating

JavaScript (Intermediate) Certification

Prove intermediate JavaScript skills. Covers design patterns, memory management, concurrency, and advanced DOM manipulation.

JavaScriptDesign PatternsAsync ProgrammingMemory Management
1.5 hours
Free Certificate
Access Track ↗
IntermediateDatabase
8.4 Rating

SQL (Intermediate) Certification

Demonstrate intermediate SQL proficiency with complex joins, subqueries, window functions, and query optimization.

SQLComplex JoinsSubqueriesWindow Functions
1.5 hours
Free Certificate
Access Track ↗
AdvancedDatabase
8.3 Rating

SQL (Advanced) Certification

Master advanced SQL skills including CTEs, recursive queries, pivoting, and complex analytical functions.

SQLCTEsRecursive QueriesPivot Tables
2 hours
Free Certificate
Access Track ↗
BeginnerProgramming
8.2 Rating

Java (Basic) Certification

Validate Java fundamentals including classes, data structures, inheritance, and exception handling. Free HackerRank certification.

JavaOOPData StructuresException Handling
1.5 hours
Free Certificate
Access Track ↗
BeginnerProgramming
8.1 Rating

C# (Basic) Certification

Prove your C# programming fundamentals. Covers data types, operators, control flow, OOP, and .NET basics.

C#.NETOOPData Types
1.5 hours
Free Certificate
Access Track ↗
BeginnerProgramming
8.1 Rating

Go (Basic) Certification

Validate Go programming fundamentals including data types, functions, structs, and error handling.

GoGolangStructsFunctions
1 hour
Free Certificate
Access Track ↗
IntermediateProgramming
8.1 Rating

Go (Intermediate) Certification

Demonstrate intermediate Go skills including concurrency, goroutines, channels, and advanced patterns.

GoGolangConcurrencyGoroutines
1 hour
Free Certificate
Access Track ↗
BeginnerWeb Development
8.0 Rating

Angular (Basic) Certification

Validate Angular fundamentals including components, templates, directives, and data binding.

AngularTypeScriptComponentsTemplates
1 hour
Free Certificate
Access Track ↗
IntermediateWeb Development
8.0 Rating

Angular (Intermediate) Certification

Prove intermediate Angular skills including services, routing, forms, HTTP client, and reactive programming.

AngularRxJSServicesRouting
1 hour
Free Certificate
Access Track ↗
BeginnerWeb Development
8.2 Rating

Node.js (Basic) Certification

Validate Node.js fundamentals including modules, file system, events, and basic server creation.

Node.jsJavaScriptModulesFile System
1 hour
Free Certificate
Access Track ↗
IntermediateWeb Development
8.1 Rating

Node.js (Intermediate) Certification

Demonstrate intermediate Node.js skills including streams, authentication, databases, and REST API development.

Node.jsExpressStreamsAuthentication
1 hour
Free Certificate
Access Track ↗
BeginnerData Science
8.0 Rating

R (Basic) Certification

Validate R programming fundamentals including data types, vectors, data frames, and basic statistics.

RData AnalysisVectorsData Frames
1 hour
Free Certificate
Access Track ↗
IntermediateData Science
8.0 Rating

R (Intermediate) Certification

Prove intermediate R skills including data manipulation, visualization, and statistical analysis with tidyverse.

RTidyverseData VisualizationStatistical Analysis
1 hour
Free Certificate
Access Track ↗
BeginnerWeb Development
8.0 Rating

CSS (Basic) Certification

Validate CSS fundamentals including selectors, box model, flexbox, grid, and responsive design principles.

CSSFlexboxGridResponsive Design
1 hour
Free Certificate
Access Track ↗
BeginnerProgramming
8.3 Rating

Problem Solving (Basic) Certification

Prove fundamental problem-solving skills with algorithms and data structures using any programming language.

AlgorithmsData StructuresProblem SolvingLogic
1 hour
Free Certificate
Access Track ↗
IntermediateProgramming
8.3 Rating

Problem Solving (Intermediate) Certification

Demonstrate intermediate algorithmic skills including dynamic programming, graphs, and complex data structures.

AlgorithmsDynamic ProgrammingGraphsTrees
1 hour
Free Certificate
Access Track ↗
IntermediateWeb Development
8.2 Rating

REST API (Intermediate) Certification

Validate REST API development skills including HTTP methods, authentication, pagination, and API design patterns.

REST APIsHTTP MethodsAuthenticationJSON
1 hour
Free Certificate
Access Track ↗
IntermediateWeb Development
8.3 Rating

Frontend Developer (React) Role Certification

Comprehensive frontend developer role certification combining React, JavaScript, CSS, and problem-solving skills.

ReactJavaScriptCSSFrontend Development
1 hour
Free Certificate
Access Track ↗
IntermediateProgramming
8.5 Rating

Software Engineer Role Certification

Comprehensive software engineer role certification testing problem-solving, data structures, algorithms, and coding proficiency.

AlgorithmsData StructuresProblem SolvingSoftware Development
1 hour
Free Certificate
Access Track ↗
BeginnerProgramming
8.4 Rating

Software Engineer Intern Role Certification

Entry-level software engineering role certification for interns. Tests fundamental programming and problem-solving abilities.

Programming BasicsProblem SolvingData StructuresAlgorithms
1 hour
Free Certificate
Access Track ↗
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