Online Code Interview Tool & Editor

Evaluate developers where it matters most — in real code. AltHire AI's online code interview tool and editor recreates authentic development challenges, letting candidates write, run, and debug code live while AI proctoring ensures every session is honest, fair, and insightful. Move beyond resumes and hire engineers who can truly build.

Developer writing code in an online interview editor during a live technical assessment

Our Online Code Interview Tool & Editor Services

From live coding assessments to AI-powered proctoring and detailed reports, we cover every aspect of technical hiring.

Live Coding Assessments

Interactive, real-world coding challenges that let candidates write and execute code live in any language, testing logic, problem-solving, and depth — not just syntax knowledge.

AI Video Interviews

Adaptive, conversational AI conducts human-like technical interviews 24/7, crafting role-specific questions and scoring responses with consistent, bias-free precision.

AI Proctoring & Integrity

Advanced AI monitors camera, audio, screen, and coding behavior in real time — flagging suspicious activity, preventing cheating, and ensuring every assessment is authentic.

Detailed Reports & Feedback

Comprehensive, AI-generated candidate reports with dimensional performance scores, question-by-question breakdowns, video playback, and proctoring summaries for confident hiring decisions.

ATS Integrations

Seamlessly connect with 20+ ATS platforms including Greenhouse, Lever, Ashby, and BambooHR to sync candidate data and automate your hiring workflow end to end.

Interview Preparation (MockMate)

AI-powered mock interview platform that simulates realistic coding and behavioral scenarios, delivering real-time personalized feedback to help candidates build confidence and perform at their best.

Recruiter reviewing a candidate's live coding session report on a laptop dashboard

How Our Code Interview Process Works in 4 Steps

Upload Your Job Description & Define Criteria

Paste your job description and let AltHire AI's system automatically craft role-specific coding questions, evaluation criteria, and scoring rubrics tailored to the exact stack and seniority level you need — no manual setup required.

Invite Candidates to the Live Code Editor

AI Proctoring Runs Silently in the Background

Receive Instant, Detailed Performance Reports

Trusted By Top Teams

Success Stories

See how leading organizations cut hiring time and elevated technical talent quality with AltHire AI.

"Working remotely has allowed me to balance my personal and professional life like never before. I truly feel valued here."

"What really sets AltHire apart is their excellent support. Anytime we ran into issues, the team was quick to step in and resolve most of them within 24 hours. Their turnaround time and willingness to go the extra mile gave us a lot of confidence. On top of that, they're..."

NAGENDRA KUMAR

"We were struggling to keep up with our hiring demands, but AltHire's AI simplified everything. The platform's ability to assess candidates and provide in-depth reports made it much easier to focus on the right talent. We've been able to hire faster and smarter."

Nagendra Kumar
Nagendra Kumar

"AltHire AI reduced our hiring time by 75% while improving candidate quality. It's a game-changer for our HR team."

Sarah Johnson

"AltHire has been a game-changer for my career! The support from the team and the culture of innovation inspire me every day."

"AltHire AI has saved us countless hours. We can now pre-screen candidates quickly and focus only on those who truly fit the role. The detailed reports have made decision-making so much clearer. I can't imagine going back to the old way."

HariShankar
HariShankar

"AltHire AI has been a game changer for us. The AI interviews are incredibly efficient and have helped reduce bias in our hiring process. What used to take days now takes just hours, and the detailed reports provide insights we never had before."

Jalaj Dagar
Jalaj Dagar

"Working remotely has allowed me to balance my personal and professional life like never before. I truly feel valued here."

"What really sets AltHire apart is their excellent support. Anytime we ran into issues, the team was quick to step in and resolve most of them within 24 hours. Their turnaround time and willingness to go the extra mile gave us a lot of confidence. On top of that, they're..."

NAGENDRA KUMAR

"We were struggling to keep up with our hiring demands, but AltHire's AI simplified everything. The platform's ability to assess candidates and provide in-depth reports made it much easier to focus on the right talent. We've been able to hire faster and smarter."

Nagendra Kumar
Nagendra Kumar

"AltHire AI reduced our hiring time by 75% while improving candidate quality. It's a game-changer for our HR team."

Sarah Johnson

"AltHire has been a game-changer for my career! The support from the team and the culture of innovation inspire me every day."

"AltHire AI has saved us countless hours. We can now pre-screen candidates quickly and focus only on those who truly fit the role. The detailed reports have made decision-making so much clearer. I can't imagine going back to the old way."

HariShankar
HariShankar

"AltHire AI has been a game changer for us. The AI interviews are incredibly efficient and have helped reduce bias in our hiring process. What used to take days now takes just hours, and the detailed reports provide insights we never had before."

Jalaj Dagar
Jalaj Dagar

"Working remotely has allowed me to balance my personal and professional life like never before. I truly feel valued here."

"What really sets AltHire apart is their excellent support. Anytime we ran into issues, the team was quick to step in and resolve most of them within 24 hours. Their turnaround time and willingness to go the extra mile gave us a lot of confidence. On top of that, they're..."

NAGENDRA KUMAR

"We were struggling to keep up with our hiring demands, but AltHire's AI simplified everything. The platform's ability to assess candidates and provide in-depth reports made it much easier to focus on the right talent. We've been able to hire faster and smarter."

Nagendra Kumar
Nagendra Kumar

"AltHire AI reduced our hiring time by 75% while improving candidate quality. It's a game-changer for our HR team."

Sarah Johnson

"AltHire has been a game-changer for my career! The support from the team and the culture of innovation inspire me every day."

"AltHire AI has saved us countless hours. We can now pre-screen candidates quickly and focus only on those who truly fit the role. The detailed reports have made decision-making so much clearer. I can't imagine going back to the old way."

HariShankar
HariShankar

"AltHire AI has been a game changer for us. The AI interviews are incredibly efficient and have helped reduce bias in our hiring process. What used to take days now takes just hours, and the detailed reports provide insights we never had before."

Jalaj Dagar
Jalaj Dagar
The AltHire AI Difference

Why Choose AltHire AI?

AltHire AI combines cutting-edge AI technology with deep hiring expertise to deliver a code interview platform that is fast, fair, and genuinely effective.

100% AI Proctored

Every single coding session is fully proctored by AI, ensuring authentic candidate performance and eliminating cheating globally.

90% Faster Hiring

Automated coding assessments and instant AI reports cut time-to-hire by 70–90%, freeing recruiters from hours of manual screening.

Bias-Free Evaluation

A structured, objective scoring model assesses every candidate on the same criteria — eliminating unconscious bias from technical hiring decisions.

Universal ATS Compatibility

Integrates with 20+ leading ATS platforms so candidate data, interview results, and reports sync automatically into your existing workflow.

Meet The AltHire AI Team

A team of AI, product, and HR veterans building the future of technical hiring.

Rajeev Kumar, Chief Technology Officer at AltHire AI

Rajeev Kumar

Chief Technology Officer

Rajeev Kumar is a seasoned tech leader and AI expert with over 15 years of experience at the world's top technology companies. As Co-founder and CTO of AltHire AI, he brings deep expertise in artificial intelligence, machine learning, and large-scale data systems. Rajeev currently leads knowledge graph innovations at Netflix, having previously driven major improvements in search and recommendations at Facebook and spent over a decade at Microsoft specializing in AI and ML. His technical vision underpins AltHire AI's adaptive interview engine, intelligent proctoring systems, and the platform's ability to evaluate candidates with unmatched precision and fairness. Rajeev's mission is to build hiring technology that is smarter, faster, and genuinely human-centered.

Ruchira Priyadarshini, Chief Product Officer at AltHire AI

Ruchira Priyadarshini

Chief Product Officer

Ruchira Priyadarshini is AltHire AI's Chief Product Officer, bringing 17+ years of expertise in organizational development, talent acquisition, HR strategy, and culture building. A Certified NLP Master Practitioner, Ruchira has spent her career aligning people strategy with business outcomes — expertise she now applies directly to shaping AltHire AI's product roadmap. Her deep understanding of what makes hiring processes fail and succeed informs every feature of the platform, from candidate experience design to recruiter-facing analytics. Ruchira ensures that AltHire AI's AI-driven tools don't just automate — they genuinely improve the quality and fairness of hiring decisions for organizations of every size and industry.

Vivek, Chief Marketing Officer at AltHire AI

Vivek

Chief Marketing Officer

Vivek is AltHire AI's Chief Marketing Officer, a finance and strategy leader with over 9 years at Amazon where he led worldwide finance for the Fulfillment By Merchant (FBM) division. A Lean Six Sigma Green Belt, Vivek brings a rare combination of operational discipline, analytical rigor, and customer-centric thinking to AltHire AI's growth strategy. His experience managing large-scale operations at Amazon gives him unique insight into the hiring challenges faced by high-growth enterprises. At AltHire AI, Vivek drives the go-to-market strategy, brand positioning, and commercial growth that are bringing smarter, AI-powered hiring to organizations across healthcare, technology, finance, and beyond.

Ravindar Bharti, Advisory Board Member at AltHire AI

Ravindar Bharti

Advisory Board Member

Ravindar Bharti serves on AltHire AI's Advisory Board, contributing deep expertise in product strategy and user experience gained as former Director of Product at TalentMatch. Currently at Microsoft, Ravindar brings a practitioner's perspective on what enterprise hiring teams truly need from a recruitment technology platform. His background in talent-focused product development ensures that AltHire AI's roadmap remains grounded in real-world recruiter and candidate needs. Ravindar's advisory input helps the team balance powerful AI automation with intuitive design — ensuring that every feature delivers measurable value without adding complexity to the hiring process.

Frequently Asked Questions

How does CodeInterview.io work?

AltHire AI's online code interview tool works by providing candidates a secure, browser-based code editor where they solve real-world challenges in any programming language. Recruiters upload a job description, the AI generates tailored questions and evaluation criteria, and candidates receive a link to complete the session. AI proctoring monitors integrity throughout, and a detailed performance report is delivered instantly upon completion.

What are the 5 C's of interviewing?

What programming languages does the code editor support?

How does AI proctoring prevent cheating during coding interviews?

Can I customize coding assessments for specific roles or tech stacks?

How quickly are candidate reports generated after a coding interview?

Does AltHire AI integrate with our existing ATS?

Is there a free trial or consultation available before purchasing?

Still Have Questions About Our Code Interview Tool?

Talk to our team for a free platform demo and consultation tailored to your hiring needs.

Trusted & Recognized

Awards and Recognition

AltHire AI 350+ weekly interviews achievement badge

350+ Weekly Interviews

Delivering over 350 AI-powered interviews every week at scale.

100% AI Proctored assessments certification badge

100% AI Proctored

Every assessment is fully AI proctored for integrity and fairness.

AltHire AI 20+ ATS integrations certified compatibility badge

20+ ATS Integrations

Certified compatibility with over 20 leading ATS platforms.

Ready to Hire Developers Who Can Actually Build?

Fill out the form below and an AltHire AI specialist will reach out to show you how our online code interview tool can transform your technical hiring process — faster assessments, fairer evaluations, and better engineers.

Contact Us Today

For immediate assistance, feel free to give us a direct call at +1 425-900-8102. You can also send us a quick email at vivek@althire.ai.