Books by Mike Salari
Interview and career books for iOS and Android engineers.
Written by Mike Salari, a staff mobile engineer with 500+ technical interviews from the hiring side. Each book page shows what is inside, most with a free sample. You buy on Gumroad and download the PDF and EPUB straight away.
5.0 from 42 reviews of the books and servicesInterview in the next few days
Short answers to say out loud, for the last days before the interview.
Change situationFor the last days before a senior iOS interview: what to say to each question, the follow-up you will be asked, and what to say if your first answer goes wrong.
248 pages, 158 answer cards, PDF and EPUBRead a free sampleFor the last days before a senior Android interview: what to say to each question, the follow-up you will be asked, and what to say if your first answer goes wrong.
428 pages, 160 answer cards, PDF and EPUBRead a free sample
For an iOS interview a few weeks away: 189 questions ordered by the level they are asked at, with the follow-ups interviewers use.
308 pages, 189 questions, PDF and EPUBRead a free sampleThe senior signal
From $59
For a senior Android interview a few weeks away: Kotlin, coroutines, Flow, Compose, architecture, performance, security and system design.
495 pages, 510 questions, PDF and EPUBRead a free sampleFor iOS live coding, code review, take-home and system design rounds: 82 solved problems, seven annotated mock interviews and a four-week plan.
588 pages, 9 case studies, PDF, EPUB and code (.zip)Read a free sampleMobile System Design blueprint
From $199
For mobile system design rounds and real architecture work: 20 decision chapters, 12 system scenarios and 50 exercises.
509 pages, 32 case studies, PDF, EPUB and code (.zip)Read a free sample
Applying and hearing nothing back
Your CV, your profile and your search, before any interview.
Change situationThe Silent Rejection
From $69
For applications that get no reply: what the recruiter decides before your skills are read, a 100‑point score, and the repair plan for your weakest area.
81 pages, PDF and EPUB, 2 editionsRead a free sampleFor iOS engineers looking for a job: CV, LinkedIn, recruiters, referrals, interviews, levels, negotiation and the first 90 days.
279 pages, PDF and EPUBRead a free sample
Leverage
$39
For the call after an offer: the number, the ask and the words, with recruiter scripts and counteroffer templates.
PDF, EPUB and kit (.zip)
Before the RoomNew
From $39
For tech leads and staff engineers accountable for outcomes they cannot command: Surface, Shift, Secure, 20 chapters and 16 templates.
151 pages, PDF and EPUB, 3 editionsRead a free sampleControlled ChangeNew
From $59
For staff mobile engineers and architects: which boundary is worth its cost, and how to change a live mobile system without losing control.
472 pages, 9 case studies, PDF and EPUB, 3 editionsRead a free sampleAltitude
$259
For senior mobile engineers moving to staff: architecture, BFFs, security, observability, sync and incidents.
364 pages, 3 case studies, PDF and EPUBRead a free sampleSwiftUI under load
From $99
For SwiftUI apps that struggle in production: performance, concurrency, state, migration, testing and CI.
285 pages, PDF, EPUB and code (.zip), 4 editionsRead a free sampleFor engineers told to show more ownership: the behaviours that change it, with scripts and a 21‑day plan.
43 pages, PDF and EPUBRead a free sample
React Native, Flutter, QA and security
Interview books for other stacks, and two short field guides.
Change situation300 fully answered React Native interview questions, from foundations to platform strategy.
315 pages, 300 questions, PDF and EPUB500 Flutter interview questions from junior to staff, each with a direct answer.
328 pages, 500 questions, PDF and EPUBFor senior, lead and staff SDET interviews: 48 scenarios with spoken answers and tested code.
121 pages, 48 scenarios, PDF and EPUBFor the half hour before a risky release: a fresh-eyes pass that catches what formal testing missed.
25 pages, PDF and EPUBA free 15‑page guide to treating security as ordinary product work, with a 30‑day plan.
15 pages, PDF and EPUB
Practise saying the answers
The books above teach the material. Interview Runtime makes you use it out loud.

Interview Runtime
$59$89 for both
Interview practice online, one edition for iOS and one for Android. You write a short brief about the role, a baseline shows where your answers are thin, and every exercise asks you to answer, see what was missing, and answer again.
Being written
The waitlist on each book page is the Tuesday Brief: the day a book ships is in it.
- Build with your brain onMake real software with AI while understanding, testing and owning what you built.Join the waitlist
Rather have me work on your case?
The books teach the method. The services apply it to your CV, your search or your interviews.
FAQ
Choosing a book
What is the flagship book?
Altitude. It is the field guide to staff-level mobile systems engineering, and the best place to start for engineers moving toward architecture and staff-level work.
Which book helps me become a staff engineer?
Altitude. It covers systems thinking, mobile system design, BFF architecture, security, observability, distributed systems and the judgment expected at staff level.
Which book helps with iOS interviews?
The iOS interview blueprint for the full system, and the 24-hour iOS Interview Answer Book when an interview is close and you need answers you can say out loud.
Which book helps me get more interviews?
The Silent Rejection. It fixes the resume, LinkedIn and outreach signals that decide whether recruiters ever reach out.
Are the books connected?
Yes. They form one curriculum: get found, pass interviews, deepen your craft, then design systems and lead at staff level. Each book solves one specific career pressure.
Do I get PDF and EPUB?
Yes. Every book is delivered as an instant PDF and EPUB download through Gumroad, with lifetime updates.
Are the books updated?
Yes. Your purchase includes lifetime updates, and the interview material is kept current for the recent Swift and SwiftUI cycle.
Are these books beginner friendly?
They assume you already build software. They are written for engineers with professional experience who want to grow into harder problems and bigger roles.