Choose your role

Frontend Developer

Practice HTML, CSS, JavaScript, React, accessibility and web performance questions asked in Frontend Developer interviews, from basics to design.

100 challenges · 30 interview Qs · 87 coding

Backend Developer

Practice APIs, databases, caching, auth and system design questions asked in Backend Developer interviews, from HTTP basics to distributed systems.

100 challenges · 30 interview Qs · 187 coding

Full Stack Developer

Practice Full Stack Developer questions on APIs, auth, Next.js rendering, databases, caching and deployment, from REST basics to system design.

100 challenges · 30 interview Qs · 132 coding

Mobile App Developer

Practice Android, iOS, Flutter and React Native questions from Mobile App Developer interviews: lifecycle, state, offline, performance and releases.

100 challenges · 30 interview Qs · 93 coding

Game Developer

Practice Unity, Unreal, game math, physics, rendering and multiplayer questions asked in Game Developer interviews, from game loops to netcode.

100 challenges · 30 interview Qs · 88 coding

Blockchain Developer

Practice Blockchain Developer questions on Solidity, the EVM, gas, smart contract security, tokens, Layer 2s and dApp design.

100 challenges · 30 interview Qs · 39 coding

Embedded Systems Engineer

Practice Embedded Systems Engineer questions on embedded C, microcontrollers, interrupts, RTOS, memory, UART, SPI, I2C and low-power design.

100 challenges · 30 interview Qs · 44 coding

Machine Learning Engineer

Practice ML engineering: model training, evaluation, feature pipelines, deep learning, distributed training and serving models in production.

100 challenges · 30 interview Qs · 43 coding

AI Engineer (LLM & Generative AI)

Practice building LLM apps: prompts, embeddings, RAG, tool use and agents, evaluation, guardrails, fine-tuning and cost and latency trade-offs.

100 challenges · 30 interview Qs · 36 coding

Data Scientist

Practice data science: statistics, SQL, pandas, A/B testing, causal thinking, machine learning models and explaining insights to business teams.

100 challenges · 30 interview Qs · 60 coding

MLOps Engineer

Practice MLOps: ML pipelines, model registry, CI/CD for models, serving on Kubernetes and GPUs, monitoring, drift, LLM serving and cost control.

100 challenges · 30 interview Qs · 16 coding

Prompt Engineer

Practice prompt engineering: clear instructions, few-shot examples, structured output, prompt chaining, evaluation, LLM judges and injection safety.

100 challenges · 30 interview Qs

Data Analyst

Practice SQL, Excel, statistics and dashboard questions that Data Analyst interviews ask, from basic joins to A/B tests and metric design.

100 challenges · 30 interview Qs

Data Engineer

Practice Data Engineer interview questions on SQL, ETL and ELT, Spark, data modeling, streaming, orchestration and warehouse design.

100 challenges · 30 interview Qs · 75 coding

DevOps Engineer

Practice DevOps skills: CI/CD, Docker, Kubernetes, Terraform, GitOps and safe releases, with free challenges and mock interview questions.

100 challenges · 30 interview Qs · 31 coding

Cloud Engineer

Practice cloud engineering: AWS, Azure and GCP basics, IAM, VPC networking, storage, serverless, Terraform, cost control and disaster recovery.

100 challenges · 30 interview Qs · 38 coding

Site Reliability Engineer

Practise SRE skills: SLOs and error budgets, monitoring, alerting, incident response, capacity planning and building systems that stay up under load.

100 challenges · 30 interview Qs · 42 coding

Database Administrator

Practice DBA skills: SQL, indexing, query plans, transactions, backups, replication and high availability for PostgreSQL and MySQL.

100 challenges · 30 interview Qs · 18 coding

Cybersecurity Analyst

Practise SOC skills: alert triage, SIEM, log analysis, incident response, MITRE ATT&CK, vulnerability management and cloud security.

100 challenges · 30 interview Qs

QA Engineer

Practice QA Engineer interview questions on test design, bug reports, test levels, API testing, regression strategy and risk-based testing.

100 challenges · 30 interview Qs

Automation Test Engineer

Practice Automation Test Engineer questions on Playwright, Selenium, Cypress, locators, waits, API tests, CI pipelines and flaky test fixes.

100 challenges · 30 interview Qs · 111 coding

UI/UX Designer

Practise UI/UX design: user research, wireframes, usability testing, accessibility, design systems and real product scenarios.

100 challenges · 30 interview Qs

Graphic Designer

Practise graphic design: typography, colour, layout, branding, print production, client briefs and real agency scenarios.

100 challenges · 30 interview Qs

Product Manager

Practise product management: discovery, prioritisation, metrics, roadmaps, stakeholder trade-offs and real product decisions.

100 challenges · 30 interview Qs

Project Manager

Practise project management: planning, scope, risk, schedules, budgets, agile delivery, stakeholder conflicts and recovery scenarios.

100 challenges · 30 interview Qs

Business Analyst

Practise business analysis: requirements, process mapping, user stories, data analysis, UAT and real stakeholder scenarios.

100 challenges · 30 interview Qs

Digital Marketing Specialist

Practise digital marketing: paid ads, funnels, analytics, ROAS, CAC, A/B tests and attribution, with free challenges and mock interview questions.

100 challenges · 30 interview Qs

SEO Specialist

Practise SEO: technical audits, search intent, content quality, Core Web Vitals, AI Overviews and site migrations, with real-world scenarios.

100 challenges · 30 interview Qs

Content Writer

Practise content writing: clear copy, search intent, editing, briefs, brand voice and AI-assisted workflows with real scenarios and interview questions.

100 challenges · 30 interview Qs

Business Development Manager

Practice business development: prospecting, qualification, pipeline, partnerships and negotiation with real B2B scenarios and mock interviews.

100 challenges · 30 interview Qs

Sales Executive

Practise Sales Executive skills: prospecting, discovery, objection handling, pipeline management, closing deals and hitting quota.

100 challenges · 30 interview Qs

HR Recruiter

Practice sourcing, screening, structured interviews, offers and fair hiring with free HR Recruiter challenges and mock interview questions.

100 challenges · 30 interview Qs

Customer Success Manager

Practise customer success skills: onboarding, health scores, QBRs, churn prevention, renewals, expansion and NRR with real-world scenarios.

100 challenges · 30 interview Qs