Top 15 Online Technical Interview Platforms

Hiring engineers today demands more than a resume. 

Recruiters and hiring managers need to see how candidates solve real-world coding problems, think through challenges, and communicate their approach. That’s why online technical interview platforms have become a core part of modern hiring.

These platforms go beyond basic video calls. They offer collaborative coding environments, automated evaluation, AI-driven insights, and real-time whiteboarding – all designed to help teams assess technical talent fairly and at scale. Whether you’re hiring for software developers, data engineers, or QA professionals, the right tool can shorten time-to-hire and improve decision-making.

Top 15 Online Technical Interview Platforms

In this blog, we’ve rounded up the top 15 online technical interview platforms that recruiters and engineering teams trust in 2025. Each one offers unique strengths in areas like coding simulations, integration with ATS tools, advanced analytics, and candidate experience.

1. WeCP (We Create Problems)

WeCP is a leading online technical interview platform that brings together AI-driven assessments, structured interviews, and real-world coding experiences in one seamless system. It’s trusted by recruiters, L&D leaders, and hiring managers aiming to hire for skills – not just resumes. Featured capabilities like AI-powered question generation, secure proctoring, and candidate-friendly interfaces make WeCP a powerful tool for assessing technical, functional, and behavioral skills with accuracy and efficiency.

Key Features:

• AI-powered question generation via the “AI Copilot,” enables rapid creation of customizable coding and role-specific challenges, saving teams hours of test design time
  
• Screen, Interview, and Upskill workflows, offering modular experiences – from automated skill screening to structured live interviews and upgrade paths for employee learning
  
• Real coding environments with whiteboard and pair programming, replicating real-world workflows and enabling collaborative evaluation with built-in video and audio conferencing
  
• Sherlock AI proctoring, which monitors for cheating through behavior analysis, tab switches, and audio/visual anomaly detection to maintain test integrity 
• Extensive test library, offering over 2,000 skill and role-based assessments and 200,000+ questions, with 9,000+ added quarterly, ensuring continually updated breadth and depth
  
• AI-driven auto grading, plagiarism detection, and candidate ranking that make evaluation fair, fast, and scalable. This enables teams to focus on top performers, not tedious manual reviews
  
• Smooth workflows and integrations, including ATS (e.g., Greenhouse, Lever, Workday), Slack, and popular LMS platforms, all connected via API
  
• Strong security and compliance, with certifications like SOC 2 Type II, ISO 27001, CPRA, GDPR, and UK GDPR, ensuring enterprise-grade data protection and audit readiness
  
• Rich analytics and dashboards that visualize performance patterns, candidate skill distributions, and hiring funnel efficiency, helping teams make data-driven decisions with precision
  
• Candidate-centric features, including mobile accessibility, practice sessions, and branded interfaces, ensuring a frictionless and professional user experience 

WeCP architects the technical interview journey end-to-end – from AI-generated assessments to secure delivery, intelligent scoring, and hiring insights. It’s built for organizations that want to scale technical hiring not just efficiently, but thoughtfully.

👉 Explore WeCP’s platform and start hiring with confidence.

2. CodeSignal

CodeSignal is a technical interview platform designed for evaluating software engineers, data scientists, and other tech roles with real-world coding challenges. It’s trusted by leading tech companies and startups to streamline hiring, reduce bias, and measure candidate skills objectively. CodeSignal combines automated assessments, live interviews, and advanced analytics to make technical hiring faster and more reliable.

Key Features:

• Real-world coding assessments in over 40 programming languages, allowing candidates to demonstrate practical problem-solving skills.
  
• Automated scoring and benchmarking, enabling recruiters to quickly rank candidates and reduce manual evaluation time.
  
• Certify module allows companies to issue skill-based certificates for pre-screening and talent pipelines.
  
• Integrated live interviews with shared coding environments, whiteboarding, and video/audio communication to evaluate collaboration and thought process.
  
• Library of pre-built challenges covering algorithms, data structures, system design, and role-specific exercises, customizable to match job requirements.
  
• ATS integrations with Greenhouse, Lever, Workday, and more, ensuring a smooth workflow for technical hiring teams.
  
• Candidate-friendly interface that supports practice tests, hints, and instant feedback to improve engagement.
  
• Comprehensive analytics and dashboards highlighting candidate performance trends, skill gaps, and hiring efficiency.
  
• Secure, anti-cheating measures, including plagiarism detection, monitoring for tab-switching, and proctoring options for high-stakes assessments.
  
• Scalable assessment workflows, suitable for both campus hiring drives and large-scale technical recruitment campaigns.

3. HackerRank

HackerRank is a widely used technical interview platform that helps organizations assess, interview, and hire software engineers and technical talent at scale. It’s trusted by both startups and Fortune 500 companies to standardize skill assessments, reduce bias, and accelerate the hiring process. HackerRank combines coding tests, project-based challenges, and live interview tools to provide a comprehensive evaluation of candidates’ abilities.

Key Features:

• Role-specific coding challenges across 40+ programming languages, including algorithms, data structures, and system design tasks.
  
• Real-world projects and assessments that simulate actual work scenarios, allowing candidates to showcase practical skills beyond theoretical knowledge.
  
• Live technical interviews with integrated code editor, audio/video chat, and collaborative whiteboarding to evaluate problem-solving and communication.
  
• Automated scoring and candidate ranking, enabling recruiters to efficiently identify top performers while maintaining evaluation consistency.
  
• Pre-built assessment library with thousands of coding, database, and domain-specific questions, customizable for each role or team.
  
• Integration with ATS and HR tools such as Greenhouse, Lever, and Workday to maintain seamless hiring workflows.
  
• Candidate experience features like practice tests, guided instructions, and instant feedback to reduce anxiety and increase engagement.
  
• Comprehensive analytics and reporting to visualize performance trends, compare skills across candidates, and make data-driven hiring decisions.
  
• Proctoring and anti-cheating mechanisms including plagiarism detection, environment monitoring, and test integrity features.
  
• Scalable assessment workflows suitable for campus drives, bulk hiring, and continuous recruitment needs.

4. CoderPad

CoderPad is a live coding interview platform designed to help recruiters and hiring managers evaluate candidates in real time with interactive coding sessions. It’s widely used by engineering teams to assess not only technical skills but also problem-solving approach, collaboration, and communication during interviews. CoderPad provides a realistic coding environment, supporting multiple languages and frameworks, making it ideal for both technical screenings and pair programming exercises.

Key Features:

• Real-time coding environment that mirrors IDEs, allowing candidates to write, run, and debug code during interviews.
  
• Support for 30+ programming languages, including popular backend, frontend, and scripting languages, plus SQL and data structures.
  
• Live collaborative sessions with integrated audio/video chat, enabling interviewers to observe thought processes and guide problem-solving.
  
• Replayable interview sessions, so hiring managers can review the candidate’s code execution, logic, and decisions after the interview.
  
• Question library and templates for common coding problems, system design exercises, and technical tasks, customizable per role or interview stage.
  
• Embedded testing frameworks to run unit tests on candidate solutions in real time, ensuring correctness and efficiency.
  
• Seamless ATS integrations to keep candidate data and feedback aligned with your recruitment workflows.
  
• Security and session control, including session time limits, code access restrictions, and controlled sharing to maintain assessment integrity.
  
• Candidate-friendly interface, designed to reduce friction and simulate a natural coding experience for better evaluation outcomes.
  
• Analytics dashboards provide insights into candidate performance, average completion times, and skill benchmarks for data-driven decisions.

5. CodeInterview

CodeInterview is an online platform designed for conducting live technical interviews and assessing candidates’ coding skills efficiently. It’s widely used by startups and mid-sized tech companies that need a simple yet powerful solution for remote hiring. CodeInterview focuses on providing a collaborative environment where interviewers can evaluate coding ability, problem-solving, and technical communication in real time.

Key Features:

• Live coding environment that supports multiple programming languages including Java, Python, JavaScript, C++, and Ruby, allowing candidates to write and run code interactively.
  
• Integrated code execution and testing, so interviewers can run candidate solutions against custom test cases during the session.
  
• Real-time collaboration tools, including shared coding pads, audio/video chat, and whiteboarding, to simulate pair programming and assess communication skills.
  
• Customizable question library, with the ability to create, save, and reuse coding challenges, system design problems, and technical tasks.
  
• Session replay feature for reviewing candidate code execution and problem-solving approach after the interview.
  
• Plagiarism detection and basic proctoring features to maintain test integrity in remote assessments.
  
• ATS and workflow integrations, enabling seamless feedback and evaluation tracking across recruitment pipelines.
  
• Candidate-friendly interface, offering a smooth, minimal-lag experience for both coding and communication.
  
• Analytics and scoring dashboards that provide insights into candidate performance, skill levels, and comparative benchmarks.
  
• Flexible interview formats, including timed coding tests, live sessions, and take-home assignments for different hiring scenarios.

6. DevSkiller

DevSkiller is a technical interview platform that emphasizes real-world coding assessments and automated skill evaluation. It’s designed for organizations that want to assess developers’ abilities in practical scenarios, helping reduce bias and improve hiring outcomes. DevSkiller combines online coding tests, project-based challenges, and live interviews to give recruiters and hiring managers deep insight into candidate skills.

Key Features:

• Real-world coding tasks that replicate on-the-job scenarios, allowing candidates to demonstrate applied knowledge rather than theoretical solutions.
  
• Support for 40+ programming languages and frameworks, covering backend, frontend, mobile, and database technologies.
  
• Pre-built and customizable assessments for roles like software engineer, DevOps, QA, and data engineer, with easy configuration for specific job requirements.
  
• Automated scoring and evaluation, including code correctness, efficiency, and best practices, saving time for technical teams.
  
• Take-home and live coding tests, allowing flexible formats to fit campus hiring, lateral recruitment, or bulk hiring campaigns.
  
• Code playback and analytics, providing step-by-step review of candidate submissions to evaluate problem-solving approach.
  
• Integration with ATS platforms like Greenhouse, Lever, and Workday, ensuring seamless hiring workflows.
  
• Proctoring and anti-cheating mechanisms, including plagiarism detection, screen monitoring, and time tracking.
  
• Candidate experience features such as intuitive UI, practice tests, and clear instructions to reduce test anxiety.
  
• Detailed reports and dashboards that visualize candidate performance, benchmark skills, and compare results across hiring campaigns.

7. Interview Mocha

Interview Mocha is a comprehensive technical assessment platform designed to help recruiters and hiring managers evaluate a wide range of skills, from coding and IT to domain-specific and soft skills. It’s used by enterprises, SMBs, and staffing agencies to streamline technical hiring, reduce bias, and improve the quality of hires.

Key Features:

• Extensive skill library with over 2,000 pre-built assessments covering programming, DevOps, cloud technologies, databases, and IT skills.
  
• Real-world coding challenges and simulations that allow candidates to demonstrate applied problem-solving and technical competence.
  
• Customizable assessments enable hiring teams to design tests tailored to job roles, skill levels, and organization requirements.
  
• Live coding interviews and collaborative tools including shared code editors, whiteboarding, and audio/video interaction for deeper evaluation.
  
• Automated scoring and candidate ranking to speed up selection and reduce manual evaluation errors.
  
• Plagiarism detection and proctoring features to ensure test integrity, including browser lockdown and behavior monitoring.
  
• ATS integrations with popular platforms like Greenhouse, Workday, and Zoho Recruit to streamline recruitment workflows.
  
• Detailed analytics dashboards providing insights on candidate performance, skills gaps, and comparative benchmarks across multiple assessments.
  
• Candidate-friendly interface with guided instructions, practice tests, and instant feedback to enhance the test-taking experience.
  
• Scalable workflows suitable for campus hiring drives, lateral recruitment, or bulk hiring campaigns.

8. Qualified

Qualified is an online technical interview and assessment platform designed to help companies hire top software engineering talent efficiently. It combines real-world coding challenges, automated scoring, and collaborative interview tools to streamline the evaluation process for recruiters and technical teams.

Key Features:

• Realistic coding environments that support multiple programming languages, enabling candidates to solve problems in conditions similar to their actual work.
  
• Automated code evaluation with test cases and efficiency metrics, ensuring fair and objective scoring across all candidates.
  
• Take-home and live coding assessments, providing flexibility for different hiring workflows and candidate schedules.
  
• Collaboration tools including shared code editors, whiteboarding, and integrated audio/video communication for live interviews.
  
• Customizable question library with pre-built and role-specific challenges that can be tailored to match job requirements.
  
• ATS and workflow integrations to connect candidate evaluations directly with Greenhouse, Lever, Workday, and other systems.
  
• Security and anti-cheating measures such as plagiarism detection, restricted code access, and proctoring options.
  
• Candidate experience features like practice tests, clear instructions, and intuitive UI to reduce stress and improve engagement.
  
• Analytics dashboards that provide insights on candidate performance, skill trends, and comparative rankings for better hiring decisions.
  
• Scalable assessment workflows suitable for campus hiring, lateral recruitment, and large-volume technical hiring campaigns.

9. Codility

Codility is an online platform designed for technical recruitment and coding assessments, helping organizations identify skilled developers efficiently. It combines automated coding tests, real-world challenges, and detailed analytics to ensure hiring decisions are both fast and reliable.

Key Features:

• Real-world coding challenges that evaluate algorithms, data structures, and role-specific programming skills in multiple languages.
  
• Automated scoring and evaluation to rank candidates objectively based on correctness, efficiency, and code quality.
  
• Take-home and live coding tests, offering flexibility for both pre-screening and interactive interviews.
  
• Customizable assessment library with thousands of pre-built questions and the ability to create role-specific challenges.
  
• Integrated live interviews with collaborative coding environments and audio/video interaction for deeper assessment of problem-solving and communication.
  
• Plagiarism detection and anti-cheating mechanisms to ensure test integrity and compliance during remote assessments.
  
• ATS integrations for seamless workflow connection with Greenhouse, Lever, Workday, and other recruitment tools.
  
• Candidate experience features, including practice tests, clear instructions, and intuitive UI to reduce test anxiety.
  
• Analytics dashboards that provide insights into candidate performance, speed, and skill comparisons for data-driven hiring decisions.
  
• Scalable assessment workflows suitable for campus drives, bulk hiring campaigns, or continuous technical recruitment needs.

10. TestGorilla

TestGorilla is an online assessment platform that allows organizations to screen technical talent efficiently using coding tests, skill assessments, and cognitive evaluations. It’s designed for hiring managers and recruiters who want a structured, data-driven approach to evaluate candidates across multiple skills.

Key Features:

• Coding assessments in multiple programming languages, covering algorithms, data structures, and domain-specific challenges.
  
• Pre-employment skill tests including logical reasoning, problem-solving, and domain knowledge to evaluate a broader candidate skill set.
  
• Customizable assessments that allow companies to tailor tests according to job roles, skill levels, and experience requirements.
  
• Automated scoring and benchmarking to quickly rank candidates objectively and reduce manual evaluation time.
  
• Video interview integration for live assessments, enabling interviewers to evaluate communication and problem-solving in real time.
  
• Candidate experience-focused interface with clear instructions, practice tests, and minimal friction for smoother test-taking.
  
• Anti-cheating measures, including browser lockdown and plagiarism detection, to ensure test integrity.
  
• ATS and recruitment workflow integrations, keeping candidate data and results synced with existing systems.
  
• Detailed analytics and reporting on performance trends, skill gaps, and candidate ranking to make data-driven hiring decisions.
  
• Scalable assessment capabilities, suitable for large hiring campaigns, campus recruitment, and continuous technical talent acquisition.

11. Karat

Karat is a platform specialized in structured, live technical interviews conducted by trained interviewers. It helps organizations evaluate software engineering talent consistently and efficiently, ensuring fair assessment across candidates while providing deep insights into technical skills and problem-solving ability.

Key Features:

• Structured live interviews conducted by experienced technical interviewers to ensure consistency and objectivity.
• Real-world coding challenges and system design tasks that simulate actual job scenarios for accurate evaluation.
• Collaborative coding environment with integrated code editors and audio/video communication for interactive assessments.
• Automated scoring support that complements human evaluation to provide objective insights on candidate performance.
• Customizable interview templates tailored for different roles, experience levels, and technical stacks.
• Detailed feedback reports highlighting strengths, weaknesses, and skill gaps for informed hiring decisions.
• Candidate-friendly interface with clear instructions and minimal friction during live sessions.
• Integration with ATS and recruitment tools for seamless workflow and data management.
• Scalable interview scheduling suitable for high-volume hiring, campus drives, and ongoing recruitment campaigns.
• Focus on fairness and bias reduction, ensuring a consistent assessment experience for all candidates.

12. DevSkiller

DevSkiller is an online platform for technical assessments and coding interviews that emphasizes real-world skills. It’s widely used by companies to evaluate developers’ abilities through practical coding challenges, project-based tasks, and live technical interviews. DevSkiller focuses on assessing candidates in scenarios that mirror actual job responsibilities, helping organizations make better hiring decisions.

Key Features:

• Real-world coding assessments that replicate on-the-job tasks, allowing candidates to demonstrate practical problem-solving skills.
  
• Support for 40+ programming languages and frameworks, covering backend, frontend, mobile, and database technologies.
  
• Pre-built and customizable tests for different roles, including software engineers, QA engineers, and DevOps specialists.
  
• Automated scoring and benchmarking to objectively evaluate candidate performance across multiple dimensions like code correctness, efficiency, and best practices.
  
• Take-home and live coding tests, providing flexibility for asynchronous or synchronous assessment formats.
  
• Code playback and detailed analytics to review candidates’ coding approach, logic, and decision-making processes.
  
• Integration with ATS platforms like Greenhouse, Lever, and Workday for smooth workflow management.
  
• Proctoring and anti-cheating mechanisms, including plagiarism detection and activity monitoring to maintain assessment integrity.
  
• Candidate-friendly interface with practice tests, guided instructions, and minimal friction for an improved test-taking experience.
  
• Scalable workflows for campus drives, bulk hiring campaigns, or ongoing technical recruitment.

13. Interviewing.io

Interviewing.io is a platform for anonymous, live technical interviews designed to help companies assess engineering talent without bias. It allows candidates to participate in real-time coding interviews while providing interviewers with detailed insights into problem-solving ability, coding skills, and communication.

Key Features:

• Anonymous interviews that remove identifying information to focus purely on skills and performance.
  
• Live collaborative coding sessions with integrated code editors, audio/video communication, and whiteboarding for interactive problem-solving.
  
• Real-world coding challenges tailored to assess algorithms, data structures, system design, and domain-specific skills.
  
• Automated scoring and candidate ranking based on code correctness, efficiency, and technical approach.
  
• Replayable sessions for post-interview review and assessment by hiring managers.
  
• Practice sessions for candidates to improve coding performance and get feedback before real interviews.
  
• Integration with ATS platforms to streamline candidate data, evaluation, and recruitment workflows.
  
• Plagiarism detection and anti-cheating measures to ensure assessment integrity during live sessions.
  
• Detailed analytics dashboards providing insights into problem-solving approach, coding efficiency, and interview outcomes.
  
• Scalable interview scheduling suitable for campus drives, bulk technical hiring, or ongoing recruitment campaigns.

14. CodinGame Assessment

CodinGame Assessment is a technical interview platform that uses gamified coding challenges to evaluate developers’ problem-solving skills, algorithms, and programming knowledge in an engaging and interactive environment. It’s designed for organizations that want to assess technical talent while keeping the candidate experience enjoyable.

Key Features:

• Gamified coding challenges that simulate real-world problems and make assessments engaging for candidates.
  
• Support for multiple programming languages, allowing candidates to solve tasks in languages they are most comfortable with.
  
• Automated scoring and evaluation based on correctness, efficiency, and code quality to ensure objective ranking.
  
• Take-home assessments and timed challenges that provide flexibility for asynchronous evaluation.
  
• Live coding sessions and multiplayer challenges to assess collaboration, coding speed, and problem-solving under pressure.
  
• Customizable assessments for specific roles, experience levels, and technical stacks.
  
• Integration with ATS and hiring platforms to streamline candidate tracking, feedback, and selection processes.
  
• Anti-cheating and plagiarism detection to ensure integrity during online assessments.
  
• Analytics dashboards and detailed reporting to provide insights into candidate performance, coding efficiency, and skill benchmarking.
  
• Scalable assessment workflows suitable for campus drives, bulk recruitment campaigns, and ongoing technical hiring needs.

15. Triplebyte

Triplebyte is a technical interview and assessment platform that focuses on skill-first evaluation of software engineering talent. It helps companies identify top candidates efficiently by combining coding assessments, technical interviews, and detailed analytics, reducing reliance on resumes alone.

Key Features:

• Skill-based assessments covering algorithms, data structures, system design, and language-specific coding tasks.
  
• Role-specific technical evaluations tailored to software engineers, backend, frontend, and full-stack positions.
  
• Live coding interviews with collaborative code editors and integrated audio/video communication for real-time evaluation.
  
• Automated scoring and benchmarking to rank candidates objectively based on problem-solving approach, code correctness, and efficiency.
  
• Customizable assessment library allowing recruiters to design tests matching specific job requirements and tech stacks.
  
• Take-home coding challenges for flexible, asynchronous evaluation without compromising assessment integrity.
  
• Candidate-friendly interface with guided instructions, practice tasks, and intuitive UI to reduce friction and improve engagement.
  
• Anti-cheating measures including plagiarism detection and controlled code access to maintain secure evaluations.
  
• Analytics dashboards and reporting providing insights into technical skills, problem-solving patterns, and comparative performance across candidates.
  
• Scalable workflows suitable for bulk hiring, campus recruitment, or ongoing technical talent acquisition.

The Future of Technical Hiring Is Skills-First

Online technical interviews are no longer a nice-to-have – they’re central to building high-performing engineering teams. The right platform gives you more than a coding test. It provides real-time insights, objective evaluation, and scalable workflows that let you identify the best talent quickly and fairly.

From live coding interviews to automated assessments, from gamified challenges to structured problem-solving tests, these platforms empower hiring teams to move beyond resumes and focus on what candidates can actually do. With features like skill benchmarking, collaborative coding environments, and detailed analytics, organizations can make faster, smarter, and more confident hiring decisions.

If you want a platform that combines accuracy, scale, and a seamless candidate experience, WeCP gives you the tools to turn technical assessments into a strategic advantage.

👉 Explore how WeCP can help you hire top technical talent efficiently and confidently.