AP
Aisha Patel
Senior Data Scientist · Spotify
Aisha is a senior data scientist at Spotify, leading recommendation systems in production — exactly the work she teaches.
4
Courses
8,490
Learners
4.8★
Rating
25,300+ learners advancing this spring
Master the skills
that matter.
Expert-led courses in software, security, and design. Learn at your own pace, earn verified certificates, and ship the work that gets you hired.
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Secure codingMachine learningDevOpsUI / UX
Module 02 · 12 min
View, modifier, body — the layout rules
Live cohort·Spring '26·184 enrolled
25K
Learners · 25,300+
500+
Courses · 11 fields
120+
Instructors · global
18K
Certificates issued
Index · Fields of study
Fields of study.
A library is a collection of fields, each worth a lifetime. Choose one and go deep.
How it works
The path forward.
01
Browse the catalogue.
Eleven fields of study. Each one a curated index of practical work, refined by working practitioners and kept up to date.
02
Learn at your pace.
Short, dense lessons with rewind, speed-up, transcripts, and notes. Bookmark chapters and resume exactly where you left off.
03
Earn a verified certificate.
Complete the projects and assessments. Your certificate carries a verifiable ID that hiring managers can confirm in seconds.
Our approach
Why we teach this way.
Taught by practitioners.
Every instructor still works in the craft they teach. No bench-warmers — you learn the decisions a working engineer, designer, or scientist actually makes, not just the textbook answer.
Paced for real lives.
Lessons are densely packed and ruthlessly trimmed. Lifetime access means you revisit the hard chapters when they finally matter to the problem you are solving.
A certificate that holds up.
Each certificate carries a verification ID hiring managers can confirm in seconds. The credential lists the completed projects, not just minutes of video watched.
From our learners
Stories worth reading.
Slearner transformed my career. I went from junior developer to tech lead at a Series-C company in 18 months — and I learned every single thing on this site.
Marcus Johnson
Tech Lead · Stripe · Promoted from L3 → L6
The data science bootcamp was exactly what I needed. The projects were real-world applicable, and the instructor was incredibly responsive.
Aisha Patel
Data Scientist · Spotify
As a self-taught developer, Slearner filled the gaps in my knowledge. The structured learning paths and certificates helped me land my dream job.
Tom Eriksson
Full-stack engineer · Vercel
Faculty
Learn from the practitioners.
Our instructors are senior practitioners at companies you've heard of — teaching the craft they actually work in.
MJ
Marcus Johnson
Tech Lead · Stripe
Marcus brings 12 years of distributed systems experience. His courses are the canonical reference inside several engineering orgs.
6
Courses
19,100
Learners
4.8★
Rating
SC
Sarah Chen
Staff Engineer · Apple
Sarah designs the developer-experience surface for iOS frameworks. Her Swift courses ship the patterns Apple uses internally.
3
Courses
5,690
Learners
4.9★
Rating
Our learners now work at
Google
Microsoft
Amazon
Meta
Netflix
Stripe
4.8 / 5
Average rating
94%
Completion rate
89%
Career advancement
30-day
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