Level 4 of 6 · Shared path

Senior Backend Engineer — Grade C (System ownership)

Lead the design and delivery of a significant system, with clear reliability targets.

150–220 hoursstudy estimate
2 Phases22 Modules
159 Lessons(curriculum)
Capstone projectReliability and Performance Redesign

What you'll learn

Independently leads the design and delivery of a significant subsystem, makes reliable architecture decisions, manages technical risks, and guides less-experienced engineers.

System Design and Architecture Decisions
Reliability and Technical Ownership

What you'll build

Reliability and Performance Redesign

Own the order-processing subsystem and redesign it to meet explicit availability, latency, and recovery targets, with architecture docs, performance evidence, failure-injection tests, and an operational handover.

Is this level for you?

Mid-level engineers with production experience.

Curriculum

Open a phase to see its modules.

Phase 01: System Design and Architecture Decisions11 modules · 81 lessons

Phase 02: Reliability and Technical Ownership11 modules · 78 lessons

Prerequisites

Recommended before this level: Level 3 · Mid-Level Java Backend Engineer

Completion criteria

Scenario-based design review and production-incident simulation.

Ready to begin Level 4?

Lesson 1: Why systems fail at the requirements stage

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