Python engineering
One judged programming problem per day, with adaptive topic selection and streaks.
See the missionsrole paths
48 ways to practise real work with AI, and get scored.
Every path is a persistent fictional workplace and a run of missions written for that role: a brief, the source files, a deliverable, and a rubric. You direct the AI; the work and the way you used AI are both scored.
Programming
JavaScript and TypeScript
Frontend and full-stack implementation, testing, refactoring, API use, and UI state reasoning.
See the missionsJava backend
OOP, services, APIs, refactoring, concurrency basics, and backend production judgment.
See the missionsFrontend engineering
Accessible UI, responsive behavior, React patterns, state, performance, and testable delivery.
See the missionsBackend engineering
APIs, database design, auth, queues, reliability, observability, and integration tradeoffs.
See the missionsMobile engineering
Mobile UX, offline behavior, API integration, performance, release quality, and crash thinking.
See the missionsData
SQL and analytics
Daily querying, validation, metrics, dashboard logic, and business data reasoning.
See the missionsData analysis
Excel, spreadsheets, BI thinking, insight writing, experiments, and decision support.
See the missionsData engineering
Pipelines, modeling, orchestration, quality checks, lineage, and warehouse-ready thinking.
See the missionsAnalytics engineering
Source audits, transformation models, data tests, metric layers, and documented, trusted reporting.
See the missionsProduct and business
Business analysis
Requirements, process maps, user stories, acceptance criteria, and stakeholder-ready analysis.
See the missionsProduct management
PRDs, prioritization, discovery, roadmap tradeoffs, launch planning, and product metrics.
See the missionsData and AI
Data science and ML
Experiment design, feature thinking, model evaluation, explainability, and ML tradeoffs.
See the missionsAI engineering
Prompts, RAG, agents, evaluations, model routing, guardrails, and AI workflow design.
See the missionsDesign
UI design
Visual hierarchy, component states, responsive layouts, design systems, and handoff quality.
See the missionsUX research
Research plans, interview scripts, synthesis, usability findings, and evidence-backed decisions.
See the missionsQuality
Manual QA
Test planning, exploratory testing, bug reports, regression strategy, and release confidence.
See the missionsAutomation QA
Playwright, Selenium, API tests, fixtures, coverage choices, and CI-ready reporting.
See the missionsPerformance testing
Load scenarios, bottleneck analysis, web vitals, capacity thinking, and remediation reports.
See the missionsCloud and security
DevOps
CI/CD, containers, deployment safety, rollback plans, monitoring, and infrastructure hygiene.
See the missionsCloud engineering
AWS, Azure, GCP, architecture choices, cost awareness, reliability, and operational controls.
See the missionsDevSecOps
Threat modeling, secrets, dependencies, policy as code, security testing, and governance.
See the missionsCybersecurity
Secure design, incident thinking, access control, vulnerability triage, and risk communication.
See the missionsSystems and networking
Network design, troubleshooting, capacity, configuration review, and reliability runbooks.
See the missionsGrowth and revenue
Digital marketing
Campaign strategy, audience research, SEO, content systems, analytics, and creative testing.
See the missionsGrowth marketing
Funnels, activation, retention, experiments, lifecycle messaging, and growth analytics.
See the missionsMarketing operations
CRM hygiene, attribution, automation, segmentation, campaign QA, and revenue handoff.
See the missionsSales operations
Pipeline hygiene, CRM reporting, lead routing, forecast checks, and GTM process improvement.
See the missionsCustomer success
Health scoring, onboarding plans, QBR prep, churn analysis, and expansion playbooks.
See the missionsContent and copywriting
Content briefs, drafting, editing, SEO structure, repurposing, and editorial quality checks.
See the missionsProduct marketing
Positioning, messaging, launch briefs, sales enablement, and win-loss analysis grounded in evidence.
See the missionsE-commerce operations
Catalog quality, merchandising, pricing analysis, promotions, and conversion reporting.
See the missionsOperations
Customer support operations
Ticket triage, knowledge articles, escalation notes, QA rubrics, and service insights.
See the missionsOperations excellence
SOPs, process automation, controls, reporting, root-cause analysis, and service improvement.
See the missionsTechnical writing
Docs, API guides, release notes, user education, knowledge bases, and AI-assisted editing.
See the missionsNo-code automation
Zapier, Make, Airtable, workflow design, validation, error paths, and business automation.
See the missionsProject management
Planning, scoping, risk logs, status reporting, stakeholder updates, and delivery tracking.
See the missionsInstructional design
Learning objectives, curriculum structure, assessments, content drafting, and review passes.
See the missionsAI work
AI work missions
General AI-assisted work practice when the learner wants breadth before choosing a specialty.
See the missionsPrompt engineering
Prompt patterns, structured outputs, tool use, evaluation, and reliability for production AI work.
See the missionsFinance and operations
Finance and FP&A
Budgets, variance analysis, forecasting, unit economics, and executive financial summaries.
See the missionsAccounting and reporting
Reconciliations, close checklists, statement review, controls, and audit-ready documentation.
See the missionsSupply chain and logistics
Demand planning, inventory, supplier analysis, logistics optimization, and operations reporting.
See the missionsPeople and talent
HR and people operations
Job descriptions, policy drafting, onboarding, engagement analysis, and people reporting.
See the missionsRecruiting and talent
Sourcing strategy, screening rubrics, interview kits, candidate scoring, and pipeline reporting.
See the missionsLegal operations
Contract review, clause analysis, policy drafting, compliance checklists, and risk summaries.
See the missionsProduct
Product analytics
Event design, funnel and retention analysis, experiment readouts, and product decision memos.
See the missionsEngineering
Database engineering
Schema design, query tuning, indexing, migrations, backup strategy, and performance review.
See the missions