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Computer & Information Sciences Challenges
Real-world challenges across Computer & Information Sciences. Pick the specific field you're studying, solve an actual brief, and walk away with verified, portable proof recruiters can confirm in one click.
Recommended challenges
- DesignIntermediateNew
Design an Interactive Subway On-Time Performance Visualization
Using the provided arrival-performance sample dataset, design a small-multiples layout — one compact panel per subway line — that uses a horizon-chart encoding to show on-time p…
- D3
- Webgl
- Interactive Visualization
Open coursework - ResearchIntermediateNew
Recommend a Color Scale for a Flood-Risk Map With Evidence
Working only from the provided materials, reach and defend a single recommendation. Read the decision file (decision-file) to understand the actors, the prior complaint, and the…
- Perceptual Study
- Color Scales
- Experimental Design
Open coursework - DesignIntermediateNew
Author a Scrollytelling Story on a Three-Week Ad-Fraud Anomaly
Using the internal investigation report (provided) and the anomaly dataset (provided), design a seven-section scrollytelling narrative and build it as a static web page. Structu…
- Narrative Visualization
- Scrollytelling
- Svelte
Open coursework - CodeIntermediateNew
Build a WCAG 2.2 AA Accessible Chart Component Library
Build a React and TypeScript component library that exports four chart components (bar, line, scatter, heatmap), each rendering the figures in the provided sample analytics data…
- Accessibility
- Wcag 2
- React
Open coursework Practice your coursework on real scenarios.
Every challenge is shaped from real-world context — not generic exercises. The work mirrors what your degree prepares you for.
Why Ewance
- DesignBeginnerNew
Redesign Stadig's Onboarding to Stop the Screen-3 Drop-off
Using the current four-screen flow described in the onboarding flow specification and the funnel numbers in the onboarding analytics dataset, run a heuristic evaluation of the e…
- User Centered Design
- Usability Testing
- Heuristic Evaluation
Open coursework - AnalysisIntermediateNew
Accessibility Audit and 90-Day Fix Plan for Halo Insights
Working from the provided dashboard specification (the twelve pages and their shared components), the representative page component (a real dashboard page with accessibility def…
- Accessibility
- Wcag Audit
- Usability Evaluation
Open coursework - DesignIntermediateNew
Design a Voice-First Picking Model for a Warehouse Tablet App
Using the partner-warehouse case file and the touch-app interaction inventory, map the current picking workflow and select the eight highest-frequency interactions to move to vo…
- Interaction Design
- Voice Ui Design
- Contextual Inquiry
Open coursework - ResearchBeginnerNew
Comparative Usability Test of Three Checkout Flows for a DTC Brand
Build 3 clickable Figma prototypes of the same checkout (same product, same fields, same copy) in single-page, three-step, and side-drawer patterns. Recruit 9 participants match…
- Usability Testing
- User Research
- Comparative Evaluation
Human-Computer Interaction - Browse challenges
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Ship product that solves real user problems. Combine user research, prototyping, and stakeholder alignment to turn ambiguous briefs into measurable wins — the role at the centre of modern software teams.
- DesignIntermediateNew
Design a Persona-Aware Dashboard for a Smart-Building Platform
Examine the case record and argue for a single design direction. Read the 'Current dashboard specification' to understand what exists and where it overloads each role; mine the …
- User Centered Design
- Interaction Design
- Persona Design
Open coursework - DesignIntermediateNew
Design an Adaptive Home Screen for a Streaming Recommender
Using the recommender output specification and the session-signals fixture, design three adaptive layout variants that are each triggered by a viewing-intent signal derived from…
- Adaptive Interfaces
- Interaction Design
- A B Testing
Open coursework - DesignSeniorNew
Redesign a Microfinance App for Four Cross-Cultural Markets
Using the current-app flow specification, the retention-and-funnel dataset, the field-session readouts, and the Unicode locale-data reference, design a culturally adaptive versi…
- Cross Cultural Design
- User Research
- Contextual Inquiry
Open coursework - DesignSeniorNew
Redesign the Daily-Engagement Loop for a Smoking-Cessation App
Using the product case file, audit the current daily-engagement loop screen by screen and map each screen to specific behavior-change techniques from the published taxonomy, nam…
- Behavior Change Design
- Hci Research Methods
- Interaction Design
Open coursework Build a verifiable portfolio.
Submissions become evidence. Reviewers with shipping experience score against a rubric; the result becomes a credential anyone can verify.
Why Ewance
- DesignIntermediateNew
Intelligent Interface Spec for an AI-Assisted Code Review Tool
Audit current AI-surface inconsistencies and map every AI signal to a confidence band (high / medium / speculative / unverified). Design a unified intelligent-interface spec: su…
- Intelligent Interfaces
- Interaction Design
- Hci Research Methods
Advanced Human-Computer Interaction - DesignIntermediateNew
Accessibility-First Redesign of an Airport AR Navigation Feature
Using the current feature description in the provided augmented-reality navigation specification, map the existing experience against the two provided legal and technical standa…
- Design For Accessibility
- Interaction Design
- Contextual Inquiry
Open coursework - CodeIntermediateNew
VR Switching Trainer for a Copenhagen Grid Operator's Substations
Your task is to build and evaluate one bay's switching trainer end to end, using only the materials provided. Reproduce the bay described in the bay-equipment reference sheet in…
- Vr Development
- Unity
- Xr Interaction
Open coursework - CodeSeniorNew
Prototype an Augmented-Reality Hip-Implant Planning Overlay
Build a HoloLens 2 application that loads a three-dimensional bone scan from the sample medical imaging data ('hip-dicom-samples'), renders it as a placeable hologram, and lets …
- Ar Development
- Mixed Reality Applications
- 3d Interaction
Open coursework - CodeSeniorNew
Build Co-Located Mixed-Reality Engine Inspection Training
Build a Unity prototype that supports three people wearing Magic Leap 2 headsets (or Quest 3 with passthrough as a fallback) in the same physical room, all seeing one shared vir…
- Mixed Reality Applications
- Multiplayer Xr
- Shared Anchors
Open coursework - ResearchBeginnerNew
Designing Comfortable VR Locomotion for a Mobile Game Studio
Build a Unity test harness on Quest 3 with one short forest level and 3 toggleable locomotion modes (smooth with vignette, teleport, dash). Recruit 18 playtesters (mix of VR-exp…
- Vr Development
- Immersive Design
- Usability Testing
Virtual and Mixed Reality - CodeBeginnerNew
AR Try-On Web Experience for a Mid-Cap Eyewear Retailer
Build a Three.js + MediaPipe Face Mesh prototype that runs in a mobile browser (Safari 17+ and Chrome 119+). Load 12 frame SKUs as glb (Graphics Language Transmission Format Bin…
- Ar Development
- Webxr
- 3d Interaction
Virtual and Mixed Reality - CodeIntermediateNew
Parallelize a Monte Carlo Risk Engine for a Quant Fund
Starting from the provided single-threaded C++ engine module (engine_scalar.cpp) and the provided benchmarking and equivalence specification (parallelization-spec), profile the …
- Parallel Algorithms
- Shared Memory
- Work Stealing
Open coursework - DesignSeniorNew
Design a Raft Consensus Layer for Multi-Region Active-Active Replication
Using the engineering brief, the production fault profile, and the starter Go module declared in the provided materials, design and build a Raft-based consensus layer and prove …
- Distributed Consensus
- Raft
- Fault Tolerance
Open coursework - CodeIntermediateNew
GPU-Parallel Graph Coloring for an EDA Tools Vendor
Implement Jones-Plassmann graph coloring in CUDA (or HIP if AMD hardware available). Input: a 12-million-node graph in CSR format (compressed sparse row). Output: a valid colori…
- Parallel Algorithms
- Gpu Programming
- Cuda
Parallel and Distributed Algorithms - DesignSeniorNew
Design a Lock-Free Concurrent Skip List for a Time-Series Database
Using the baseline implementation and benchmark harness in the provided code module (baseline-skiplist-rs), design and build a lock-free skip list that replaces the mutex-guarde…
- Lock Free
- Concurrent Data Structures
- Rust Programming
Open coursework - CodeSeniorNew
Bulk Synchronous Parallel PageRank for a Web-Graph Lab
Working from the lab situation record (`lab-case-file`), implement 25 iterations of PageRank under a Bulk Synchronous Parallel (BSP) model using either Apache Spark with GraphX …
- Parallel Algorithms
- Bsp
- Graph Algorithms
Open coursework
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Browse challenges aligned to your studies.
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Accept the one that fits your goals.
Step 03
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Step 04
Submit for structured evaluation.
Step 05
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