Intermediate Challenges
Real-world scenarios at the intermediate level. Earn verified credentials as you practice the work your degree prepares you for.
- CodeIntermediateNew
Fine-Tune a 3B Open-Weight Model for Customer Support Triage
You receive 40,000 anonymized labelled support tickets across 18 categories. Fine-tune a 3B open-weight model using parameter-efficient fine-tuning (LoRA) for the classification…
- Lora Fine Tuning
- Open Weight Llms
- Classification
Large Language Models - CodeIntermediateNew
Stream-Process a 64-Microphone Array to Locate Bearing Faults in Real Time
Using the provided fixture generator and array-geometry spec, implement an overlap-add streaming pipeline that consumes 64 channels in 1,024-sample frames with 50 percent overla…
- Fft
- Signal Processing
- Beamforming
Open coursework - AnalysisIntermediateNew
Diagnose a Memory-Hierarchy Bottleneck in a Trading-System Hot Path
Receive the normalizer source (around 4,000 lines of C++17), a replay harness that feeds 30 minutes of recorded market data, and host-machine specifications (Intel Xeon Gold 634…
- Memory Hierarchy
- Performance Profiling
- Perf
Open coursework - DesignIntermediateNew
Rebuilding Team Dynamics in a 40-Person SaaS Scale-Up
Your team will conduct a team dynamics assessment using Tuckman's stages and Lencioni's five dysfunctions model. You will analyze survey data (provided) and propose a structured…
- Team Dynamics
- Conflict Resolution
- Organizational Development
Organizational Behavior 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
- DesignIntermediateNew
Cut a 42-Minute Trino Query to Under Five Minutes
Using the slow query, the EXPLAIN ANALYZE readout, the Iceberg table schemas, and the 30-day execution-metrics dataset provided, design an optimization proposal that cuts the cr…
- Trino
- SQL Optimization
- Iceberg
Open coursework - AnalysisIntermediateNew
Capacity Planning for a SaaS Scale-Up's Customer Support
Your task is to forecast ticket volumes based on enterprise growth projections, analyze current support capacity and performance, and propose a staffing plan that meets SLAs. Su…
- Capacity Planning
- Queuing Theory
- Workforce Management
Open coursework - StrategyIntermediateNew
Build an Enterprise Sales Playbook for a Product-Led SaaS Scale-up
Acting as TaskFlow's first enterprise marketing hire, write a complete enterprise sales playbook for a brand-new team of three sales representatives. Ground your ideal-customer …
- Sales Playbook
- Product Led Growth
- Enterprise Sales
Open coursework - CodeIntermediateNew
Detect Change Points in a Trading Platform's Latency Telemetry
You receive 90 days of per-millisecond latency telemetry across 12 services, plus an incident log of 14 known regressions and 22 known false-alarm-class events. Implement and tu…
- Change Point Detection
- Anomaly Detection
- Time Series Analysis
Open coursework - Browse challenges
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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
Design a Bundled Pricing Business Case for an Industrial IoT Vendor
Using the company facts in the company case file, the historical deal records in the deal-history dataset, and the required sections listed in the board business case template, …
- Business Case
- Financial Modeling
- Pricing Strategy
Open coursework - 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
Open coursework - CodeIntermediateNew
Finetune a Diffusion Model for Sustainable-Fashion Mockups
You receive 1,200 product photos with paired captions and the brand's style guide. Fine-tune a Stable-Diffusion-class base model with LoRA (Low-Rank Adaptation, a parameter-effi…
- Diffusion Models
- Lora Finetuning
- Pytorch
Open coursework - 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
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Why Ewance
- DesignIntermediateNew
Co-Design a Trust Layer for an Enterprise RAG Assistant
You will plan and run a 5-day remote co-design study with eight pilot users (a mix of plant operators and middle managers). Sessions 1-2: discover where trust breaks down. Sessi…
- Co Design
- User Research
- Trust And Transparency
Human-Computer Interaction for AI Systems - DesignIntermediateNew
Design a Secure-by-Default IoT Device Provisioning Flow
Design end-to-end provisioning: factory bootstrap (per-device key pair burned at manufacture), installer flow (BLE-driven activation, Wi-Fi handoff), cloud-side enrollment (mTLS…
- Iot Security
- Secure Provisioning
- Mutual Tls
Cyber-Physical and Cybercrime Topics - CodeIntermediateNew
Lambda-Calculus Semantic Parser for a Math-Tutor EdTech
Define a small typed lambda-calculus representation for linear equations and a small set of word-problem templates (rate, age, mixture). Build a parser that maps surface express…
- Semantic Parsing
- Lambda Calculus
- Symbolic Reasoning
Computational Semantics - StrategyIntermediateNew
Investigate Cloud Provider Terms to Design DataFlow's Supplier Contract
Treat the public terms of the three major cloud providers as your field site. Read the service-level agreement pages for Amazon Web Services, Microsoft Azure, and Google Cloud (…
- Contract Design
- Negotiation
- Sla Definition
Open coursework - StrategyIntermediateNew
Stand Up Contract Testing for a Logistics Microservices Backend
Using only the materials provided, choose and justify the six producer-consumer service pairs to migrate first. Read the 90-day staging breakage log to rank pairs by how much pa…
- Contract Testing
- Pact
- Microservices
Open coursework - DesignIntermediateNew
Design a 12-Week LeSS Rollout for Six Product Teams
Using the LeSS rules and principles source, the leadership rollout charter, the team audit and ceremony observation notes, and the team baseline metrics dataset, design a 12-wee…
- Advanced Process Models
- Scaling Agile
- Less
Open coursework - AnalysisIntermediateNew
Valuation of a 40-Person SaaS Scale-Up for Series A
Your team will act as a boutique valuation advisory. You must gather comparable public SaaS companies (e.g., from the Cloud ERP or data integration space) and calculate relevant…
- DCF Valuation
- Comparable Company Analysis
- Financial Modeling
Corporate Finance - StrategyIntermediateNew
Cross-Functional Team Simulation: Launch a Sustainable Energy Subscription Service
Form a team of 4-5 and assign roles: (1) Product Lead — define the subscription tiers and customer experience, (2) Marketing Lead — develop brand positioning and customer acquis…
- Digital Business Models
- Collaborative Work
- Project Management
Open coursework - DesignIntermediateNew
Domain-Driven Design Aggregate Redesign for a Lending API
Facilitate a 1-day event-storming workshop with 8 participants from product, engineering, risk, and operations to surface domain events. From the events, identify 3-5 bounded co…
- Domain Driven Design
- Event Storming
- Bounded Contexts
Software Design and Design Patterns - 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
Open coursework - CodeIntermediateNew
Build a Domain-Specific Named-Entity Recognizer for Legal Contracts
Start from a strong English NER base (spaCy transformer or LegalBERT). Fine-tune on a provided 1,200-contract labeled dataset for the 9 entity types. Handle long contracts (ofte…
- Named Entity Recognition
- Sequence Labeling
- Domain Adaptation
Open coursework - CodeIntermediateNew
Build a Speaker-Diarization Pipeline for a Legal-Tech Startup
You receive 20 hours of de-identified hearing audio with ground-truth speaker labels (4 speaker classes per hearing). Build a speaker-diarization pipeline (pyannote-audio or sim…
- Speaker Diarization
- Speech Recognition
- Pyannote
Speech Recognition and Spoken Language Processing
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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