Intermediate Challenges
Real-world scenarios at the intermediate level. Earn verified credentials as you practice the work your degree prepares you for.
- CodeIntermediateNew
Designing a Dynamic Pricing Engine for a Ride-Hailing Startup
Your team is given a dataset of historical rides (timestamp, pickup location zone, demand level, available drivers). You must design a pricing algorithm that: (1) uses a multipl…
- Python
- Pandas
- Simulation
Programming for Business Applications - AnalysisIntermediateNew
Sales & Distribution Process Optimization for a Mid-Size Manufacturer
Your task is to audit PumpTech's SD processes (inquiry to cash) and design improvements. You will map the current process, identify root causes of delays (e.g., manual credit ch…
- SAP S4hana
- Sales And Distribution
- Business Process Reengineering
ERP Systems (SAP and Microsoft Dynamics) - 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
Restore Smartphone Low-Light Photos for a Consumer AI App
You receive 200 paired low-light / well-lit phone photos plus 1,000 unpaired low-light photos. Build a pipeline that combines a learned denoiser (e.g. a small DnCNN-style model …
- Image Restoration
- Denoising
- Tone Mapping
Image Processing and Computational Imaging Develop in-demand professional skills.
Each challenge names the skills it strengthens. Over time, your profile fills with the competences a hiring manager would actually look for.
Why Ewance
- StrategyIntermediateNew
Field Investigation: Scoping a Siemens Energy Green Hydrogen Venture
Work only from the three provided materials. Start by reading the Siemens Energy strategy corpus (item: siemens-strategy-corpus) and the internal venture committee brief (item: …
- Business Model Canvas
- Stakeholder Analysis
- Corporate Venturing
Open coursework - CodeIntermediateNew
Index a Reference Genome with a Suffix Array in Rust
Using the reference-genome FASTA in the provided materials, build an in-memory suffix array (DC3 or SA-IS construction) over the 4-letter DNA alphabet in Rust, then implement co…
- Suffix Arrays
- String Algorithms
- Rust
Open coursework - CodeIntermediateNew
Automate Retraining with a Drift-Triggered MLflow Pipeline
Stand up the pipeline end to end with the team's existing stack (MLflow tracking + model registry, Airflow orchestration). Wire Evidently to compute weekly drift; when drift cro…
- Mlflow
- Airflow
- Data Drift Detection
ML Engineering and Production ML - StrategyIntermediateNew
Brand Crisis Simulation for a Fast-Food Chain
You are the brand crisis team at QuickBite. Within 48 hours of the video's release, you must draft a public statement, an internal memo, and a 30-day crisis management plan. The…
- Crisis Communication
- Stakeholder Management
- Brand Equity
Brand Management - Browse challenges
Explore role
Strategy Analyst
Frame the business question, model the options, build the recommendation. From market sizing to competitive analysis, this role is where strategy consulting meets in-house decision-making.
- CodeIntermediateNew
Lane-Change Intent Classifier from Dashcam Video
Use a public driving video dataset (e.g., Argoverse 2 sensor or BDD100K) and curate ~6,000 short clips labeled with the three-class intent. Train a temporal model (e.g., a small…
- Video Understanding
- Temporal Modeling
- Model Evaluation
Visual Intelligence and Visual Reasoning - ResearchIntermediateNew
Train a Physics-Informed Neural Network for Heat Transfer in a Battery Pack
Solve the 2D unsteady heat-conduction equation on a square cell cross-section with a localized source and Dirichlet boundary conditions on the casing. Implement a baseline finit…
- Physics Informed Neural Networks
- Partial Differential Equations
- Pytorch
AI for Science and Engineering - DesignIntermediateNew
Design a Real-Time Fraud-Scoring Stream for a Card Issuer
Produce a design proposal for a fraud-scoring stream that ingests authorization events, maintains a 30-day rolling feature state per customer, applies a pre-trained scoring mode…
- Apache Flink
- Kafka Streams
- Stream Processing
Open coursework - DesignIntermediateNew
Rate and Reduce Technical Debt in a Telecom OSS Codebase
Design a SQALE-based technical-debt rating and improvement proposal for Lumera Telekom's OSS. Using only the static-analysis findings export, the module inventory and rating gri…
- Sqale Method
- Technical Debt
- Code Quality
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Why Ewance
- CodeIntermediateNew
Train a Domain-Specific Reranker for a Legal-Tech Search Box
You receive 20,000 (query, document, relevance-label) triples from the firm's contract corpus. Fine-tune a small cross-encoder (e.g., ms-marco-MiniLM-L-6-v2 or BAAI/bge-reranker…
- Cross Encoder Reranker
- Fine Tuning
- Ir Evaluation
Information Retrieval and Search - CodeIntermediateNew
Build a GraphQL Federation Schema for an E-Commerce Platform
Receive the existing 22 REST endpoints' OpenAPI specs and a list of 5 priority subgraphs. Design a federated GraphQL schema using Apollo Federation v2 directives (@key, @externa…
- Graphql
- Graphql Federation
- API Design
API Design and GraphQL - CodeIntermediateNew
Build a Small Transformer from Scratch and Train It on Code
Implement multi-head self-attention, RMSNorm, rotary positional embeddings, and a causal LM head from scratch — no Hugging Face shortcuts for the model code (you may use Hugging…
- Transformers
- Self Attention
- Pytorch
Neural Networks for NLP - CodeIntermediateNew
LoRA Fine-Tune a 7B LLM for Legal-Clause Extraction
You receive a curated extraction dataset (2,000 train, 500 val, 500 test contracts with span-level labels across 12 clause types) and a fine-tunable 7B base model (e.g., Llama-3…
- Lora
- Fine Tuning
- Parameter Efficient Tuning
Fine-Tuning Large Language Models - StrategyIntermediateNew
Rebranding for a 40-Person SaaS Scale-Up Moving from PLG to Enterprise
Your team must develop a rebranding strategy for TaskFlow. This includes a new brand identity (name, logo, messaging), a revised pricing model, and a sales enablement plan. Cons…
- Brand Strategy
- Positioning
- Pricing Strategy
Marketing Principles - AnalysisIntermediateNew
Capacity Planning Model for a Black-Friday Traffic Surge
Pull 18 months of per-service request rate + utilization from Prometheus. Forecast BFCM traffic per service using a baseline + multiplicative seasonal model (Prophet or statsmod…
- Capacity Planning
- Forecasting
- Autoscaling
Site Reliability Engineering - CodeIntermediateNew
Semantic Parser for an Enterprise Analytics Assistant
Define a small typed query language (filter, aggregate, group_by, time_range, metric). Curate or write 200 training examples covering the controlled subset and 50 held-out test …
- Semantic Parsing
- Grammar Design
- Transformer Models
Computational Semantics - CodeIntermediateNew
Refactor a God-Object Order Service with Strategy + Command
Read OrderService and the last 18 months of bug tickets touching it. Author a 5-page design document showing the current class diagram, the target Strategy-per-order-type + Comm…
- Design Patterns
- Refactoring
- Strategy Pattern
Software Design and Design Patterns - CodeIntermediateNew
Forecast Energy Demand for a Nordic Renewable Utility
You receive 5 years of hourly residential-segment demand, hourly weather data (temperature, wind, irradiance), and a calendar of public holidays. Build a probabilistic forecaste…
- Time Series Forecasting
- Probabilistic Modeling
- Feature Engineering
Applied Machine Learning - CodeIntermediateNew
Build a Multimodal Generation Pipeline for a Tourism Operator
You receive 40 sample 30-second videos shot by tour guides, the operator's brand voice doc, and SEO keyword lists for EN/PT/ES. Build a pipeline that (1) extracts a representati…
- Multimodal Generation
- Vision Language Models
- LLM Inference
Generative AI - DesignIntermediateNew
Design a Zero-Downtime Multi-Region PostgreSQL Migration for an EdTech Platform
Using the infrastructure inventory (infra-inventory), the database schema sample (schema-subset), the workload metrics (workload-metrics), and the service-level brief (sla-brief…
- Blue Green Deployment
- Logical Replication
- Postgresql
Open coursework - DesignIntermediateNew
Cross-Cultural Merger Negotiation Simulation for a German Auto Parts Supplier
Your task is to create a 2-hour negotiation simulation exercise for 8 participants (4 per team). Design the scenario, roles, confidential instructions, and a debrief guide. The …
- Cross Cultural Negotiation
- Simulation Design
- Conflict Resolution
Negotiation
How it works
From brief to credential, in six steps.
Step 01
Browse challenges aligned to your studies.
Step 02
Accept the one that fits your goals.
Step 03
Work through it with AI Copilot guidance.
Step 04
Submit for structured evaluation.
Step 05
Earn a verified credential.
Step 06
Add it to LinkedIn with one click.
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