Roadmap · Horizon 1 — The Siemens Sprint
Your one path
Never look at the whole thing. Only ever look at where you are. Do that one step, come back, take the next.
This is a quick text summary. Your full, clickable, always-current path — with every topic as a lesson — is the Siemens Roadmap →
1. Send the referral resume The referral has a 6-month clock — the door opens now.
📍 You are here 2. DSA · Big-O + Arrays & Hashing The gate. Start with the highest-frequency pattern.
Start → 3. DSA · Two Pointers + Sliding Window Two more high-frequency patterns.
4. OOP + Java core The 4 pillars, with your own examples.
5. DSA · Linked Lists, Stacks, Binary Search The next cluster.
6. CS fundamentals · OS + SQL basics Joins, indexes, transactions; process vs thread.
7. DSA · Trees, Recursion, Heaps, intro DP Rounds out the core patterns.
8. Build Recon Your defensible headline project — your Ayris job in disguise.
9. Own your Ayris code Reverse-engineer it so you can defend every line.
10. Mock interviews Timed OA + technical + HR. Company research.
Horizon 2 (the path to top product companies, fintech & banks) unlocks after the sprint. Full detail lives in your siemens-prep/ plan.