Intermediate Challenges
Real-world scenarios at the intermediate level. Earn verified credentials as you practice the work your degree prepares you for.
- CodeIntermediateNew
FPGA-Based Convolution Accelerator for an Embedded Vision Camera
Design the accelerator as an AXI-Stream block: input video stream, line-buffer-based 3x3 windowing, fixed-point multiply-accumulate tree, output stream. Parameterize for arbitra…
- Systemverilog
- Fpga
- Axi Stream
Digital Systems Design - AnalysisIntermediateNew
Behavioral Strategy Audit for a SaaS Scale-Up
You are a behavioral strategy analyst. Review DataSync's recent pricing decisions, sales pipeline reviews, and customer renewal data. Conduct interviews (simulated via provided …
- Behavioral Economics
- Decision Making
- Cognitive Bias
Strategic Foresight and Decision-Making - CodeIntermediateNew
Description-Logic Reasoner for Insurance-Policy Coverage Checks
You receive 50 representative coverage rules in plain English (from the current rule engine) and a sample of 1,000 anonymized claim cases with the current engine's outcomes (cov…
- Description Logics
- Owl
- Reasoning
Fuzzy Logic, Knowledge Representation, and Symbolic Reasoning - DesignIntermediateNew
Build a Multi-Tenant SaaS Foundation on Kubernetes
Design the multi-tenant model: namespace-per-tenant for compute isolation, per-tenant Postgres schemas inside a shared RDS instance for data, per-tenant S3 prefixes with bucket …
- Kubernetes Orchestration
- Multi Tenancy Architecture
- AWS Or Azure
Cloud Computing 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
Market Entry Strategy for a Tokyo D2C Cosmetics Brand in Europe
You are a strategy consultant hired by GlowTokyo. Your task is to analyze the European cosmetics market, identify the most viable entry mode (e.g., joint venture, e-commerce, or…
- Market Analysis
- Cross Cultural Strategy
- Entry Mode Analysis
International and Global Strategy - AnalysisIntermediateNew
Vehicle-to-Everything (V2X) Communication Trial Analysis
Load the anonymised dataset (logged packet RX/TX, PC5 sidelink RSSI, RSRP, SINR, vehicle trajectory, application latency for safety messages). Compute the canonical 3GPP Release…
- C V2x
- Pc5 Sidelink
- Wireless Performance Analysis
Wireless and Mobile Networks - AnalysisIntermediateNew
Empirical Study of PR Review Throughput on a Mid-Sized Monorepo
Pull 8 weeks of PR data from the monorepo (~3,800 PRs across 12 teams) covering open-to-merge time, review-comment count, review-round count, reviewer count, lines changed, and …
- Empirical Software Engineering
- Software Analytics
- Statistical Analysis
Advanced Software Engineering - StrategyIntermediateNew
Data Privacy Ethics for a 40-Person SaaS Scale-Up
You are the Data Ethics Officer at DataFlow. The enterprise client wants to use anonymized customer interaction data to train their AI models. Your task is to create a data gove…
- Data Privacy
- GDPR Compliance
- Ethical Framework Design
Business Ethics and Corporate Responsibility - 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.
- StrategyIntermediateNew
Motivating Remote Engineers in a Fintech Startup
Your task is to develop a comprehensive motivation and incentive program for the remote engineering team. The program should include both financial and non-financial elements, a…
- Remote Work Motivation
- Incentive Design
- Employee Engagement
Motivation and Incentives - ResearchIntermediateNew
Audit a Public LLM Benchmark for Validity Threats
Choose one open LLM benchmark (e.g., MMLU, GPQA, BIG-Bench-Hard, MATH). Read the benchmark paper plus at least three follow-up critiques. Audit (1) data contamination risk again…
- Benchmark Evaluation
- Data Contamination Analysis
- Annotation Methodology
AI Measurement and Evaluation - CodeIntermediateNew
Offline-First Mobile App for Field Service Technicians
Build a Flutter prototype against a mock API serving work orders, asset history, and a parts catalog. Implement: local-first storage with Drift (or Isar) for relational data and…
- Mobile Development
- Flutter
- Offline First Design
Mobile Application Development - CodeIntermediateNew
Build an Event-Sourced Inventory System for a Warehouse
Design the event model: 12-15 events covering the warehouse lifecycle. Implement using EventStoreDB (or Kafka + a snapshotting projection layer) in Go or C#. Build at least 3 re…
- Event Sourcing
- Cqrs
- Eventstoredb
Event-Driven Architecture Get recognized by recruiters and employers.
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Why Ewance
- CodeIntermediateNew
Variational Autoencoder for Synthetic Tabular Banking Data
You receive a 500K-row anonymized transaction dataset with 25 columns (mixed numerical + categorical). Train a VAE (TabVAE or a small custom model) with appropriate likelihoods …
- Variational Inference
- Deep Generative Models
- Synthetic Data
Probabilistic Machine Learning - AnalysisIntermediateNew
Spectral Clustering for Customer Segmentation at a SaaS
Receive a 12,000 customer × 220 feature usage matrix (counts per feature per week, averaged over 12 weeks). Construct a similarity graph (k-nearest-neighbors with k=15, Gaussian…
- Spectral Methods
- Linear Algebra
- Algorithm Analysis
Advanced Algorithms - StrategyIntermediateNew
AI Strategy for 40-Person SaaS Moving to Enterprise
Analyze the provided dataset of 200 enterprise trials (features: number of users invited, integrations used, support tickets, time in trial, etc.) and build a lead scoring model…
- Lead Scoring
- Logistic Regression
- Ai Workforce Strategy
Machine Learning and AI for Business - CodeIntermediateNew
LLM-Powered FAQ Chatbot for 40-Person SaaS Scale-up
You have access to TaskFlow's internal documentation, help articles, and a sample of 500 support tickets. Your task is to build a retrieval-augmented generation (RAG) pipeline: …
- Large Language Models
- RAG Architectures
- Information Retrieval
Text Analytics and Natural Language Processing - CodeIntermediateNew
Build a LangGraph Multi-Agent Researcher
Design the four-agent topology with explicit message contracts. Implement each agent as a separate LLM call with role-specific system prompts, tool access (web search for resear…
- Multi Agent Orchestration
- Langgraph Or Crewai Workflows
- Tool Use
Multi-Agent Systems - AnalysisIntermediateNew
TCP Congestion Control Comparison on a Long-Fat Network
Set up two Linux test hosts in Sydney + Frankfurt cloud regions (or one host pair with tc-netem emulating 280ms RTT). Run iperf3 transfers using CUBIC and BBR at 4 loss rates (0…
- Tcp Ip
- Congestion Control
- Performance Testing
Computer Networks - StrategyIntermediateNew
IP Strategy for a SaaS Scale-Up Moving to Enterprise
Your task is to create a comprehensive IP strategy report for TaskFlow. This should include an audit of existing IP, recommendations for patenting key algorithms (if feasible), …
- Intellectual Property
- Patent Strategy
- Trade Secrets
IT Law and Data Protection - CodeIntermediateNew
Train a Multimodal Classifier for Medical Triage
Pick a fusion architecture (early fusion via cross-attention, late fusion via score combination, or a unified multimodal encoder like FLAVA/CoCa). Train on the 14,000 pairs with…
- Multimodal Fusion
- Cross Attention
- Pytorch Or Tensorflow
Multimodal Machine Learning - ResearchIntermediateNew
Detect Coordinated Inauthentic Behavior on a News-Sharing Network
You receive a 60-day sample of about 6 million posts mentioning a recent election, with account metadata (creation date, posting times, follower graph). Design and prototype a C…
- Network Analysis
- Anomaly Detection
- Near Duplicate Detection
Social Network Analysis and Web Science - ResearchIntermediateNew
Policy-Gradient Trading Agent on Historical Data
You receive 5 years of daily OHLCV (Open/High/Low/Close/Volume) data for 5 large-cap stocks. Build an episodic environment where each episode is one calendar year and the agent'…
- Policy Gradients
- Reinforce
- Rl Evaluation
Reinforcement Learning - CodeIntermediateNew
Design a Change-Data-Capture Pipeline for an E-Commerce Reseller
Receive the MySQL schema (220 tables), 7 days of binlog samples, and the data team's freshness + correctness requirements. Design the CDC pipeline: Debezium for MySQL binlog cap…
- Change Data Capture
- Debezium
- Kafka Event Streaming
Big Data and Data-Intensive Systems - ResearchIntermediateNew
Disease-Progression Modelling for a Neurodegeneration Biotech
You receive a curated longitudinal Parkinson's cohort (about 1,200 patients, 4-12 visits each, MDS-UPDRS sub-scores, cognitive assessments, demographics). Fit (1) a linear mixed…
- Disease Progression Modeling
- Mixed Effects Models
- State Space Models
Machine Learning for Healthcare and Biomedicine
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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