Project atlas
240 catalog entries · showing 101–150. 1 published so far.
Model Serving Gateway
Route models by task, quality, latency, privacy, and cost; support fallbacks, batching, cache safety, and per-model SLOs.
Double-Entry Payment Ledger
Model immutable journal entries, authorization/capture/refund states, reconciliation, idempotency, and invariant tests without moving real money.
Outbox and CDC Reference Implementation
Compare polling and log-based CDC, crash at every boundary, and prove that events are neither lost nor double-applied.
Reliable Webhook Ingestion Gateway
Verify signatures, deduplicate deliveries, preserve order per source, quarantine poison events, and replay safely.
Real-Time Marketplace Aggregator
Compute inventory, conversion, and revenue windows with Kafka Streams/Flink and handle late or out-of-order events.
Priority Work Queue
Use RabbitMQ for delayed jobs, retry tiers, priorities, cancellation, backpressure, and operational dashboards.
Horizontally Scaled Chat Service
Add presence, typing, delivery/read state, offline replay, fan-out, and partition-tolerance tests.
Preference-Aware Notification System
Coordinate channels and quiet hours while preventing duplicates across retries and regional workers.
Durable Workflow Engine
Implement state machines, timers, retries, compensation, versioned workflows, and deterministic recovery from an event log.
Distributed Scheduler
Provide leases, leader election, missed-run recovery, clock-skew handling, and exactly-once business effects via idempotency.
Leader Election and Membership Lab
Implement heartbeats, failure detection, leases, split-brain scenarios, and a visual state timeline.
Replicated Key-Value Store with Raft
Implement leader election, replicated logs, snapshots, partitions, and linearizability checks.
CQRS Customer Support Platform
Separate write models and searchable read projections, rebuild projections, and quantify consistency lag.
Streaming Risk Signal Pipeline
Correlate high-volume events, manage window state, emit explainable alerts, and replay a historical incident.
Multi-Region Configuration Service
Distribute feature flags with version vectors, defined consistency, safe fallback, and regional failover experiments.
Rendering Strategy Laboratory
Implement the same product view with CSR, SSR, SSG, ISR, streaming, and RSC; compare freshness, complexity, LCP, INP, and hydration.
Real-Time Operations Dashboard
Visualize streaming events with pause/replay, resilient reconnects, accessible charts, and performance under sustained updates.
Collaborative Canvas
Add multi-user cursors, optimistic updates, conflict handling, offline edits, keyboard interaction, and reconnection tests.
Conversational Form Renderer
Generate accessible forms from a schema, support conditional logic and save/resume, and measure completion and error UX.
Core Web Vitals Clinic
Start from a deliberately slow app, profile it, and document bundle, image, font, rendering, and interaction improvements.
High-Density Data Explorer
Build virtualized tables, column pinning, filters, saved views, export, accessible navigation, and URL-synchronized state.
Offline-First Field App
Support installability, background sync, conflict resolution, durable drafts, connectivity states, and safe update prompts.
Internationalized Commerce UI
Handle locale routing, RTL, pluralization, dates, units, currencies, long text, and translated accessibility labels.
Virtualized Social Feed
Maintain scroll position, prefetch, paginate, stream updates, avoid layout shifts, and measure memory and responsiveness.
Secure Authentication UX
Implement passkeys-ready flows, MFA/recovery states, session visibility, CSRF-safe actions, and enumeration-resistant messages.
Experimentation Component Framework
Assign variants deterministically, prevent flicker, expose typed hooks, capture guardrail events, and support kill switches.
Micro-Frontend Tradeoff Demo
Integrate two independently deployed slices, share design tokens and auth, and quantify bundle/runtime/operational overhead.
Browser Task Extension
Build a permission-minimal extension for tab/workflow organization with local-first storage and transparent privacy controls.
Frontend Error Recovery Gallery
Demonstrate Suspense, error boundaries, retries, stale data, partial failure, optimistic rollback, and offline recovery.
SecureShare Document Collaboration
Add secure upload, granular access, expiring links, page analytics, comments, versions, watermarks, audit logs, and privacy controls.
Voice-to-Brief Studio
Turn audio notes into structured drafts with transcripts, templates, editing, provenance, export, quality evaluation, and cost/latency dashboards.
Conversational Research Form Platform
Provide visual form design, branching, response pipelines, analytics, collaboration, webhooks, and accessibility-first public forms.
StageControl Live Event Timer
Synchronize presenter and audience displays, remote control, offline fallback, templates, roles, and sub-second state updates.
Verified Flexible-Work Job Board
Normalize and verify listings, track policy changes, provide transparent fit filters and alerts, and resist scraped-content duplication.
Creator Commerce Platform
Support digital products, storefronts, entitlements, coupons, tax-ready records, creator analytics, dispute workflows, and secure downloads.
Rapid Consumer Feedback Panel
Match studies to participants, randomize options, collect structured feedback, control quality, and visualize confidence and bias.
Local Business Discovery Engine
Build verified listings, faceted search, service areas, opening hours, owner updates, ranking transparency, and spam moderation.
Photo Restoration Workspace
Offer non-destructive AI restoration, side-by-side review, batch jobs, version history, consent, deletion, and model limitations.
Personal Knowledge and Bookmark Vault
Capture content, deduplicate, tag, search, summarize with citations, sync devices, export, and provide local/private modes.
Cross-Channel Inventory Bridge
Synchronize SKUs and stock between mock commerce systems, resolve conflicts, reconcile drift, and expose operational controls.
Developer Challenge and Review Platform
Host realistic briefs, test submissions safely, support peer review, show skill evidence, and prevent solution leakage.
Community Challenge Platform
Run weekly creative challenges with submissions, moderation, voting integrity, notifications, badges, and accessible galleries.
Transaction Risk Classifier
Handle extreme class imbalance, calibrate probabilities, choose cost-sensitive thresholds, explain predictions, and monitor delayed labels.
Subscription Churn Model
Compare logistic regression, boosting, and survival-style targets; define interventions without presenting correlation as causation.
Hierarchical Demand Forecaster
Forecast SKU/location demand, use time-aware validation, quantify uncertainty, reconcile levels, and compare against seasonal baselines.
Mobility ETA Predictor
Engineer route, time, traffic-like, and weather-like synthetic features; evaluate by segment and serve low-latency estimates.
Price-Response Experiment Model
Estimate demand sensitivity on synthetic experiments, report uncertainty and segment effects, and avoid automated real-world price discrimination.
Service Metric Anomaly Detector
Compare statistical thresholds, isolation forests, and autoencoder baselines on labeled incident windows and false-alert cost.
Support Ticket Triage Model
Route, prioritize, and tag tickets with calibrated confidence, abstention, human review, fairness checks, and drift monitoring.
Near-Duplicate Content Detector
Compare MinHash/LSH, TF-IDF, and embeddings for precision, recall, speed, memory, and incremental indexing.