Weekly challenges · Free to join

Seven focused days. One visible win.

Pick one challenge, complete a small task each day, and finish with proof you can share. Your progress stays in this browser unless you choose to share it.

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Choose your sprint

Five challenges for real career progress

Each sprint has seven small tasks. Complete them in order or save a day when your schedule changes.

Interview practice

7-Day AI Engineer Interview Challenge

Build clear answers, one system sketch, and an evidence-backed story.

Interview practice

7-Day DevOps Interview Challenge

Practise delivery, reliability, incident response, and trade-offs.

Resume upgrade

Resume Fix Challenge

Turn vague bullets into specific evidence a recruiter can scan.

Build in public

Build Your First Portfolio Project Challenge

Ship a small, documented project with a demo and honest scope.

Cloud foundations

Cloud Certification Prep Challenge

Create a seven-day study loop with labs, recall, and review.

Challenge 01

7-Day AI Engineer Interview Challenge

Finish with five practiced answers, one architecture sketch, and one measurable project story.

0/7 days

Day 1 · Foundations Explain AI, ML, and deep learning in 90 seconds with one use case.
Day 2 · Data Sketch a data-to-evaluation flow and name one quality check.
Day 3 · LLMs Compare prompting, retrieval, and fine-tuning for one product need.
Day 4 · Reliability Write a rollback or fallback plan for an unsafe model response.
Day 5 · Architecture Draw request → guardrail → model → evaluation → owner.
Day 6 · Evidence Turn one project into an action, baseline, metric, and result story.
Day 7 · Mock round Record answers to three questions and note one improvement.

Plan the next sprint

Challenge 02

7-Day DevOps Interview Challenge

Practise the operational decisions interviewers expect you to explain.

0/7 days

Day 1 · Delivery Explain CI versus CD and draw your smallest safe pipeline.
Day 2 · Containers Explain image, container, registry, and one supply-chain control.
Day 3 · Observability Choose a service-level indicator and a useful alert threshold.
Day 4 · Incident Write the first five minutes of a production incident response.
Day 5 · Infrastructure Compare immutable infrastructure with a manual change and its risk.
Day 6 · Recovery Define an RTO, RPO, test, and owner for one dependency.
Day 7 · Mock round Answer a failure scenario aloud and record the trade-off you chose.

Plan the next sprint

Challenge 03

Resume Fix Challenge

Replace generic claims with readable proof of what you did and what changed.

0/7 days

Day 1 · Target Pick one role and copy five recurring skills from real job descriptions.
Day 2 · Evidence List three projects, tasks, or labs you can explain honestly.
Day 3 · Bullets Rewrite two bullets as action + system + technology + outcome.
Day 4 · Clarity Remove filler adjectives, repeated skills, and claims you cannot defend.
Day 5 · Structure Put contact, summary, skills, projects, education, and links in scan order.
Day 6 · Check Run the Resume Checker and fix one concrete issue.
Day 7 · Export Save a clean PDF and ask one person to find the target role in ten seconds.

Plan the next sprint

Challenge 04

Build Your First Portfolio Project Challenge

Ship a small project that another person can run, inspect, and understand.

0/7 days

Day 1 · Problem Write the user, pain, success measure, and smallest useful scope.
Day 2 · Design Sketch the main flow and choose tools you can explain.
Day 3 · Build Implement the smallest working path and keep a short change log.
Day 4 · Quality Add a test, validation check, or failure message that catches a real mistake.
Day 5 · Explain Write setup steps, known limits, and one architecture decision.
Day 6 · Demo Capture a short demo or screenshots showing the result and evidence.
Day 7 · Publish Share the repository or demo with an honest project summary.

Plan the next sprint

Challenge 05

Cloud Certification Prep Challenge

Build a repeatable study loop before paying for an exam or relying on memorisation.

0/7 days

Day 1 · Scope Read the official exam guide and list domains, prerequisites, and cost.
Day 2 · Foundations Review one core service and explain when not to use it.
Day 3 · Lab Complete one hands-on lab and save the command or diagram that mattered.
Day 4 · Security Add identity, least privilege, and data protection notes to your study sheet.
Day 5 · Reliability Compare availability, recovery, and cost for one architecture choice.
Day 6 · Recall Take a timed practice set and review every missed question.
Day 7 · Decision Choose the next study block or decide what evidence you need before booking.

Plan the next sprint