All Roadmaps
Company Interview Prep
Flipkart DevOps Roadmap
Targeted preparation for Flipkart DevOps, SRE, and Infrastructure Engineering roles. Covers Flipkart's massive e-commerce scale, Big Billion Days infra, and interview format.
3–5 months prep
6 phases
FoundationIntermediateAdvancedExpert
Phase 1
Flipkart's Scale & Architecture
Know the platform before the interview
Foundation1–2 weeks
What to learn
- Flipkart runs a private cloud + hybrid AWS setup
- Big Billion Days — millions of orders in minutes
- Service mesh with Istio at scale
- Java and Go are primary backend languages
- Flink for real-time stream processing
- Custom load balancing and service discovery
Key tools
Private cloudKubernetesIstioFlinkKafka
Phase 2
Core SRE & Linux Skills
Foundation Flipkart tests in every round
Foundation3–4 weeks
What to learn
- Linux internals — memory, CPU, I/O subsystems
- TCP/IP deep dive — connection states, tuning
- Debugging with strace, lsof, ss, netstat
- Capacity planning and load testing
- Bash scripting for automation
- Cron, systemd timers, and job scheduling
Key tools
stracelsofiperf3ab/wrkbash
Phase 3
Kubernetes & Container Orchestration
Flipkart runs massive K8s clusters
Intermediate4–5 weeks
What to learn
- Multi-tenant Kubernetes cluster management
- Custom controllers and operators
- Cluster federation concepts
- Node affinity, taints, tolerations at scale
- StatefulSet management for databases
- Kubernetes networking deep dive (CNI, kube-proxy)
Key tools
KubernetesHelmIstioPrometheuskubectl
Phase 4
CI/CD & Release Engineering
Ship 100s of deploys per day safely
Intermediate3–4 weeks
What to learn
- GitOps-based deployment pipelines
- Feature flags for Big Billion Days traffic control
- Canary deployments with automatic rollback
- Release freeze and deployment windows
- Pipeline observability — DORA metrics
- Artifact management and versioning
Key tools
ArgoCDJenkinsSpinnakerGitHub ActionsNexus
Phase 5
System Design for E-Commerce Scale
Design systems for Big Billion Days
Advanced5–6 weeks
What to learn
- Design flash sale system — millions of concurrent users
- Inventory management with strong consistency
- Payment processing with idempotency
- Search and recommendation at scale
- CDN strategy for product images
- Database sharding and read replicas
Key tools
KafkaRedisMySQLElasticsearchFlink
Phase 6
Interview Loop & Prep
Crack the Flipkart engineering loop
Expert3–4 weeks
What to learn
- Round 1: Coding — medium LeetCode + scripting
- Round 2: Linux + networking deep dive
- Round 3: Kubernetes + CI/CD technical round
- Round 4: System design (large-scale e-commerce)
- Round 5: Culture and leadership (ownership at Flipkart)
- Tip: Emphasize Big Billion Days-level thinking in all answers
Key tools
LeetCodeExcalidrawHackerEarth
Interview Prep
DevOps Interview Prep Bundle — 1000+ Q&A
Every topic on this roadmap has interview questions in the bundle — Docker, Kubernetes, AWS, CI/CD, Linux, SRE, FinOps, System Design. Grab it before your next interview.