Performance Benchmarking
If you like applying Performance Benchmarking, every challenge here gives you a chance to practice it on a real industry brief.
- CodeExpertNew
Architecture Patterns Spike for a Real-Time Multiplayer Backend
Implement minimal viable versions of all three patterns in Rust + Go (your pick of split): (1) authoritative server with 20 Hz snapshots and client-side prediction, (2) lockstep…
- Realtime Systems
- Architecture Spike
- Networking Patterns
Software Architecture - CodeExpertNew
Diagnose Memory Corruption in a Trading-Firm Order Gateway
Read the 8k-line allocator + order-pool code (provided), plus 3 production crash dumps and 14 hours of pre-crash telemetry. Hypothesize root cause (likely candidates: use-after-…
- Cpp Programming
- Manual Memory Management
- Pointers
Imperative and Low-Level Programming - DesignExpertNew
OTA Firmware-Update Architecture for a 50,000-Device Smart-Meter Fleet
Design a 4-stage OTA architecture: (1) signed image build + manifest, (2) backend rollout (1 percent canary, 10 percent expand, 50 percent expand, 100 percent), (3) device-side …
- Embedded Systems
- Cyber Physical Systems
- Edge Computing
Internet of Things and Cyber-Physical Systems - CodeExpertNew
HyperLogLog Cardinality for Real-Time Ad-Auction Analytics
Implement HyperLogLog with precision parameter p in {12, 14, 16} (4KB, 16KB, 64KB sketches) and benchmark relative error on a replayed 3-hour production trace (around 13 billion…
- Hyperloglog
- Probabilistic Data Structures
- Streaming Systems
Randomized Algorithms Practice your coursework on real scenarios.
Every challenge is shaped from real industry context — not generic exercises. The work mirrors what your degree prepares you for.
Why Ewance
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.
Industry teams behind a decade of practitioner briefs
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Sponsor a challenge and meet candidates through actual work.
Industry teams can shape briefs around the skills they hire for, then evaluate students on rubric-scored deliverables — not resumes.