Engineering
System Design for Senior Engineers
Run a senior or staff system design round from vague prompt to defended tradeoffs, out loud and on a whiteboard.
5 modules · 18 lessons
NewAI Tutor and Courses
A private tutor for the interviews that decide your next role
Pick a topic or a full course. Skillora’s voice tutor teaches it live, draws it on a shared whiteboard, writes the code, and checks that you can do it yourself. Built for senior candidates in tech, finance and consulting.
Free account. No card required.
- Whiteboard
- Code editor
- Python notebook
- Spreadsheet
- Notes
Like sitting down with a mentor who has all night
No videos to sit through and no reading list. You talk, it teaches, and you leave with the work.
01
Say what you want to learn
Type one topic for a single lesson, such as designing a rate limiter. Or describe a bigger goal and get a full course drafted for you.
02
The tutor teaches it live
A voice tutor explains the idea out loud, draws it on a whiteboard you share, and stops to ask you questions. Answer by voice or in chat, and interrupt whenever you like.
03
Keep everything it taught you
Each lesson ends with a recap of what you covered and what needs another look. Your notes, drawings and code are saved so you can reopen them before the interview.
Shared whiteboard
It draws the idea while it explains it
Hard topics land faster when you can see them. The tutor sketches the system, the framework or the math as it talks, then asks you what happens next.
- Diagrams appear as the tutor speaks, not as static slides
- Draw on the board yourself, and the tutor sees what you add
- Every whiteboard is saved with the session
Working tools
Code that runs, models that calculate, notes you keep
The tutor picks the right surface for the subject. Engineers get a code editor and a Python notebook. Finance and consulting candidates get a spreadsheet with live formulas.
- Edit the tutor’s code and press Run to try it
- Real Python runs in your browser, with no setup
- Change a number in the sheet and watch the model update
- Key points collect in your notes, ready to copy
Lessons and courses
One lesson tonight, or a full course for the loop ahead
Short on time? Take a single lesson on the one thing you are unsure about. Preparing for a full loop? Build a course around your goal and work through it at your own pace.
- A single lesson starts in seconds, on any topic
- Describe your goal and get a course outline drafted for you
- Pick up where you left off from the Study page
Your course, your way
A clear path from first lesson to interview day
Every course is organized into modules and lessons. Each lesson is one focused live session of about 20 minutes with a clear outcome, so you always know what comes next.
- See your progress across every module at a glance
- Edit the outline, drop what you know, add what you need
- Retake any lesson until the idea sticks
Start from a course built for senior interviews
Take a course as it is, or keep only the modules you want and add your own. Every lesson is taught live by the tutor.
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Or build your own
Describe the goal in a sentence, such as passing a staff level system design loop in four weeks or leading a paper LBO. Skillora drafts the modules and lessons, and you edit the outline before you start.
Built for people who already know the basics
Senior interviews reward depth and judgment. The tutor is designed to get you there faster than reading alone.
A conversation, not a video
The tutor checks your understanding as it goes and adjusts when you get stuck, the way a good mentor would.
Ask anything, any time
Interrupt by voice or type in chat. The full transcript sits next to the lesson so nothing gets lost.
Reopen any session
Notes, whiteboards and code from every lesson are kept on your Study page for the night before the interview.
Pitched at your level
Lessons assume real experience. They spend time on tradeoffs, judgment and scope, not on first principles you already know.
One plan opens every course
The AI tutor and all courses come with Ultimate at $40 a month, together with unlimited AI mock interviews. Preview the first lesson of any starter course free, and cancel anytime.
Questions, answered
- What is the Skillora AI tutor?
- It is a voice tutor that teaches you one topic at a time in a live session. It explains the idea out loud, draws on a shared whiteboard, writes code or builds a spreadsheet when the subject calls for it, and asks you questions to check that you can do it yourself.
- How is a course different from a single lesson?
- A single lesson covers one topic and starts in seconds. A course is a planned path toward a bigger goal, organized into modules and lessons. Each lesson in a course is one live session with the tutor, usually about 20 minutes.
- Can I build a course on my own topic?
- Yes. Describe what you want to achieve, for example passing a staff level system design loop in four weeks, and Skillora drafts a course outline for you. You can edit the modules and lessons before you start, or begin from a starter course and keep only the parts you need.
- What subjects does the tutor cover?
- Anything you can describe. It is strongest on the topics senior candidates in tech, finance and consulting prepare for, such as system design, leadership and behavioral interviews, case interviews, financial modeling and salary negotiation.
- Is the AI tutor free?
- You can create a free Skillora account and preview the first lesson of any starter course. Full access to the AI tutor and every course is part of the Ultimate plan at $40 a month, which also includes unlimited AI mock interviews. You can cancel anytime.
- Are my lessons saved?
- Yes. Your notes, whiteboards and code from each session are kept on your Study page, along with a recap of what the lesson covered and what to review next.
Walk into the interview having already explained it out loud
Create a free account, pick a topic, and take your first lesson with the tutor today.