BK SDE Sheet
Everything you need for SDE interview prep — coding, core subjects, aptitude, mock tests and more, all in one place.
Coding Practice
Build consistency through structured daily practice.
120 Days of Code
A structured coding challenge designed to build consistency, problem-solving ability, and interview readiness through daily coding practice — progressing from fundamentals to advanced DSA over 120 days.
Days 1-40
Fundamentals
Days 41-80
Core DSA
Days 81-120
Advanced & Mocks
- ✓ Builds daily problem-solving discipline
- ✓ Gradual difficulty progression keeps you from burning out
- ✓ Mirrors real interview prep timelines used by top performers
Core CS Subjects
Master the fundamentals interviewers ask about every single time.
Quantitative Aptitude
A crucial filter round at almost every placement drive.
Aptitude is an important component of placement assessments and hiring tests. Strong aptitude skills improve logical thinking, numerical ability, and problem-solving speed.
Topic Coverage
CareerRide — Quantitative Aptitude Playlist
Complete video coverage of every placement aptitude topic
Interview Questions
Category-wise curated questions to sharpen your concepts.
OOPs
Encapsulation, inheritance, polymorphism and abstraction based questions.
● Very High priority
Practice →DBMS
SQL queries, normalization, indexing and transaction-based questions.
● Very High priority
Practice →Computer Networks
Protocol stacks, HTTP, DNS and routing questions.
● High priority
Practice →Operating Systems
Process scheduling, memory management and deadlock scenarios.
● Very High priority
Practice →Machine Learning
Core ML concepts, model evaluation and algorithm tradeoffs.
● Medium priority
Practice →Cyber Security
Common vulnerabilities, encryption and secure coding practices.
● Medium priority
Practice →DevOps
CI/CD pipelines, containers, and deployment strategy questions.
● Medium priority
Practice →System Design
Scalability, architecture and distributed systems questions.
● Very High priority
Practice →Mock Tests
Practice real interview-style assessments and evaluate readiness.
Simulate real interview pressure with structured mock tests — topic-wise drills or full mixed assessments — and get a clear read on where you stand before the real thing.
Topic-wise
Focused practice
Mixed
Full assessment
Performance
Score tracking
Notes Library
Centralized collection of preparation notes for technical subjects.
Access handwritten and curated GATE-style notes covering every core subject — organized by topic for quick revision.
Browse Notes →Company-wise Preparation
Tailor your prep to how each company actually interviews.
Focus Areas
Key Topics
Strong DSA + scalable system design rounds
Amazon
Focus Areas
Key Topics
Behavioral rounds tied closely to Leadership Principles
Microsoft
Focus Areas
Key Topics
Balanced coding + design across rounds
Adobe
Focus Areas
Key Topics
Strong fundamentals + project deep-dives
Atlassian
Focus Areas
Key Topics
Coding + strong culture-fit conversations
Walmart
Focus Areas
Key Topics
Practical DSA followed by e-commerce scale design
Goldman Sachs
Focus Areas
Key Topics
Heavy fundamentals + quant aptitude rounds
JP Morgan
Focus Areas
Key Topics
Java-heavy technical rounds with aptitude screening
Resume Guide
Build an ATS-friendly resume that gets you shortlisted.
✅ Checklist
- ✓ One page only (unless 8+ years experience)
- ✓ Reverse chronological order
- ✓ Quantify achievements with numbers
- ✓ Use action verbs (built, optimized, led)
- ✓ Tailor keywords to job description
- ✓ No spelling or grammar errors
- ✓ Consistent formatting and fonts
- ✓ Include GitHub/portfolio links
⚠️ Common Mistakes
- ✕ Using an unprofessional email address
- ✕ Listing skills without proof or projects
- ✕ Generic objective statements
- ✕ Including irrelevant personal details
- ✕ Overly designed templates that break ATS parsing
- ✕ Listing every technology you've ever touched
💡 Pro Tips
- ★ Lead each bullet with impact, not just task
- ★ Use the STAR method for project descriptions
- ★ Keep a master resume, tailor a copy per application
- ★ Get 2-3 people to review before submitting