Real-World Challenges Aligned to Your Coursework
Real scenarios from business, engineering, design, and analysis. Practice the work your degree prepares you for, earn verified credentials, build a portfolio recruiters can verify.
- AnalysisBeginnerNew
Differential Expression Pipeline for an RNA-Seq Drug Discovery Run
Build a Snakemake pipeline running: fastp trimming, salmon quantification against a provided GENCODE reference, tximport for gene-level summarization, DESeq2 differential testin…
- Bioinformatics
- Computational Genomics
- Differential Expression
Open coursework - CodeIntermediateNew
Detect Coordinated Fraud Rings via Link Analysis at a Neobank
You receive 90 days of account, login, and transaction data (around 1.2 million accounts, around 30 million events) plus a labeled set of 80 known fraud rings. Build a multi-rel…
- Graph Analysis
- Community Detection
- Link Analysis
Open coursework - DesignBeginnerNew
Design Structured JSON Logging for a Healthcare Rails Monolith
Working only from the three materials provided, design and propose a structured-logging migration for the Rails monolith. Study the current logger configuration (provided code m…
- Structured Logging
- Loki
- Phi Redaction
Open coursework - StrategyIntermediateNew
Roadmap a Defense Software Supplier from CMMI Level 2 to Level 3
Using only the materials provided to you — the de-identified Level 2 appraisal report (M1), the current-state process documentation snapshot (M2), the pilot baseline dataset for…
- Cmmi
- Process Improvement
- Process Models
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
- CodeBeginnerNew
Segment Solar Panels in Aerial Imagery for an Energy Audit Startup
You receive 600 labelled 1024x1024 orthophoto tiles (panel masks) and 1,000 unlabeled tiles. Train a segmentation model (U-Net or DeepLabV3+ baseline), validate at 0.85 IoU on a…
- Semantic Segmentation
- U Net
- Aerial Imagery
Open coursework - StrategyIntermediateNew
Build the Risk, Budget, and Milestone Plan for a Mobile Bank Launch
Work only from the three materials provided: the launch brief, the regulatory obligations register, and the vendor and staffing cost sheet. From the launch brief and the regulat…
- Risk Management
- Regulatory Planning
- Scheduling
Open coursework - CodeIntermediateNew
Port a Drone Flight Controller from Bare-Metal to FreeRTOS
Take the existing bare-metal firmware (STM32H7, around 14,000 lines C). Identify the tasks (control loop 1 kHz, IMU read 2 kHz, GPS 10 Hz, telemetry 50 Hz, command parsing event…
- Freertos
- Rate Monotonic Scheduling
- C Programming
Open coursework - DesignSeniorNew
Design a Semantic Configuration Validator Using Abstract Interpretation
Using the configuration schema reference, the three incident post-mortems, and the 200-configuration validation set provided, design an abstract domain that captures relations b…
- Abstract Interpretation
- Static Analysis
- Rust Programming
Open coursework - Browse challenges
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- DesignBeginnerNew
Threat-Model the Patient-Intake App for a Telemedicine Startup
Working only from the three materials provided — the system architecture overview, the patient-intake data-flow description, and the SOC 2 control-mapping table — produce a STRI…
- Threat Modeling
- STRIDE
- Risk Assessment
Open coursework - CodeSeniorNew
Train a GAN for Synthetic Defect Augmentation on a Factory Line
You receive a labeled defect dataset (12 defect types, ranging from 8 to 4,200 examples each), the production classifier, and a starter StyleGAN2-ADA codebase. Train a GAN per r…
- Gans
- Stylegan
- Data Augmentation
Open coursework - CodeBeginnerNew
Reverse-Engineer a Stripped Binary to Restore Linking Symbols
Receive the stripped shared object (Linux ELF, x86-64, ~280KB), a crash dump with 12 frames of indecipherable addresses, and 4 years of partial git history with some related (bu…
- Reverse Engineering
- Linking And Loading
- Machine Code
Open coursework - ResearchIntermediateNew
Safety-Test a Customer-Service Agent for Adversarial Prompts
You receive a sandboxed instance of the agent (a tool-using LLM that can read account balances and open support tickets — both mocked). Design a red-team suite of at least 80 pr…
- LLM Agents
- Red Teaming
- Adversarial Prompts
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
- CodeSeniorNew
Port a Numerical Kernel from CPU to GPU for a CFD Simulator
Receive the existing CFD solver (C++17 + OpenMP, around 8,000 lines, the hot kernel is a 7-point stencil sweep over a 512^3 grid), the validation harness, and access to an A100 …
- Gpu Programming
- Cuda
- Parallelism
Open coursework - CodeIntermediateNew
Segment Cells from Microscopy Images for a Pharma-AI Discovery Lab
You receive 3,500 microscopy images with pixel-level cell masks plus a 200-image hold-out set re-annotated by two biologists for inter-annotator agreement. Train a U-Net or SegF…
- Semantic Segmentation
- U Net
- Pytorch
Open coursework - 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 - StrategyBeginnerNew
Lead a Coordinated AI Feature Launch for an HR Software Startup
Using the company background brief and the draft feature specification provided, design a six-week launch plan covering four parallel workstreams: product readiness (acceptance …
- Product Launch
- Cross Functional Coordination
- Go To Market
Open coursework - CodeFoundationalNew
Swap a List Scan for a Min-Heap in the Dispatcher
Working only from the materials provided, your job is to make the courier-selection logic faster and to show, with evidence, that it actually got faster. First, read the de-iden…
- Heap Data Structure
- Complexity Analysis
- Python
Open coursework - ResearchSeniorNew
Model-Based RL for a Robotic Arm Pick-Place Task
You receive a PyBullet pick-and-place environment (Franka Panda arm, 12 object types, randomized starting poses) and a SAC baseline that hits 85% success after about 1.5 million…
- Model Based Rl
- World Models
- Reinforcement Learning
Open coursework - DesignSeniorNew
Design OS-Level Cache Side-Channel Mitigations for a Multi-Tenant Cloud
Using the de-identified disclosure record (the case file) and the three published attack papers provided in the materials, characterize each of the three attacks — Flush+Reload,…
- Os Security
- Side Channels
- Virtualization
Open coursework - ResearchIntermediateNew
Hardware-Aware NAS for a Wearable ECG Classifier
You receive a labeled subset of an arrhythmia ECG dataset (about 80,000 10-second windows, 4 classes), a microcontroller latency lookup table (op-level milliseconds) for a Corte…
- Neural Architecture Search
- Hardware Aware Design
- Edge Inference
Open coursework - AnalysisIntermediateNew
Diagnose a Failed Microservices Migration at a Travel Platform
Using only the four supplied materials — the interview transcript excerpts (voyalink-interview-transcripts), the decision and incident artifact corpus (voyalink-artifact-corpus)…
- Industrial Case Study
- Qualitative Research
- Software Architecture
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 - StrategyBeginnerNew
Pitch a Regulatory Sandbox Application for an Edtech AI Product
Read the EU AI Regulation's regulatory-sandbox provisions. Pick a member-state sandbox program (Spain, Norway-as-EEA, or a German-state pilot are publicly documented options) an…
- Regulatory Analysis
- Ai Governance
- Product Strategy
Open coursework - CodeSeniorNew
Grounded Language for a Robotics Pick-and-Place Demo
Use a tabletop simulator (PyBullet or Isaac Sim, both open) with 5 object types and 5 spatial relations (left of, right of, behind, in front of, on top of). Curate or generate a…
- Grounded Language Understanding
- Semantic Parsing
- Perception
Open coursework
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