Select your current position

Pick a role and level — we'll show the growth path, skills and gap analysis.

Development path

Junior

0-2 years

Current

Responsibility: Writing load testing scripts. Running tests by scenarios. Collecting metrics. Preparing results reports.

Key skills:

Chaos Engineering Need
E2E Testing Need
Load Testing Need
Network Fundamentals Need
Test Pyramid & Strategy Need
Test Data Management Need
Test Environment Management Need

Middle

2-5 years

Next

Responsibility: Designing load scenarios. Bottleneck analysis. Metric correlation (CPU, memory, DB). CI/CD integration.

Key skills:

Chaos Engineering Need
E2E Testing Need
Load Testing Need
Network Fundamentals Need
Test Pyramid & Strategy Need
Test Data Management Need
Test Environment Management Need

Senior

5-8 years

Responsibility: Performance testing architecture. Chaos engineering. Capacity modeling. Application profiling. Optimization recommendations.

Key skills:

APM Tools Need
AWS Need
Benchmarking Tools & Methodology Need
Chaos Engineering Need
Code Review Need
CPU Profiling Need
Database Performance Tuning Need
Docker Need
E2E Testing Need
ELK Stack Need
Git Advanced Need
GitHub Actions / GitLab CI Need
GitHub Copilot Need
I/O & Disk Profiling Need
Kubernetes Core Need
Latency Optimization Need
Memory Profiling Need
Network Profiling Need
OpenTelemetry Need
Performance Budgets Need
PostgreSQL Need
Prometheus & Grafana Need
Python Web Frameworks Need
Resource Optimization FinOps Need
REST API Design Need
Throughput Optimization Need
Algorithms & Complexity Need
Async Programming Need
Custom Business Metrics Need
Database Indexing Need
Code Quality & Refactoring Need
Multithreading Need
Load Testing Need
Query Optimization Need
Network Fundamentals Need
OOP & SOLID Principles Need
Structured Logging Need
Data Structures Need
API Testing Need
Test Pyramid & Strategy Need
Test Data Management Need
Test Environment Management Need

Lead / Staff

7-12 years

Responsibility: Performance engineering strategy. SLA/SLO for performance. Coordination with development and SRE.

Key skills:

APM Tools Need
AWS Need
Benchmarking Tools & Methodology Need
Chaos Engineering Need
Code Review Need
CPU Profiling Need
Database Performance Tuning Need
Docker Need
E2E Testing Need
ELK Stack Need
Git Advanced Need
GitHub Actions / GitLab CI Need
GitHub Copilot Need
I/O & Disk Profiling Need
Kubernetes Core Need
Latency Optimization Need
Memory Profiling Need
Network Profiling Need
OpenTelemetry Need
Performance Budgets Need
PostgreSQL Need
Prometheus & Grafana Need
Python Web Frameworks Need
Resource Optimization FinOps Need
REST API Design Need
Throughput Optimization Need
Algorithms & Complexity Need
Async Programming Need
Custom Business Metrics Need
Database Indexing Need
Code Quality & Refactoring Need
Multithreading Need
Load Testing Need
Query Optimization Need
OOP & SOLID Principles Need
Structured Logging Need
Data Structures Need
API Testing Need
Test Pyramid & Strategy Need
Test Data Management Need
Test Environment Management Need

Principal

10+ years

Responsibility: Enterprise performance strategy. Performance culture. Capacity planning at scale.

Key skills:

APM Tools Need
AWS Need
Benchmarking Tools & Methodology Need
Chaos Engineering Need
Code Review Need
CPU Profiling Need
Database Performance Tuning Need
Docker Need
E2E Testing Need
ELK Stack Need
Git Advanced Need
GitHub Actions / GitLab CI Need
GitHub Copilot Need
I/O & Disk Profiling Need
Kubernetes Core Need
Latency Optimization Need
Memory Profiling Need
Network Profiling Need
OpenTelemetry Need
Performance Budgets Need
PostgreSQL Need
Prometheus & Grafana Need
Python Web Frameworks Need
Resource Optimization FinOps Need
REST API Design Need
Throughput Optimization Need
Algorithms & Complexity Need
Async Programming Need
Custom Business Metrics Need
Database Indexing Need
Code Quality & Refactoring Need
Multithreading Need
Load Testing Need
Query Optimization Need
OOP & SOLID Principles Need
Structured Logging Need
Data Structures Need
API Testing Need
Test Pyramid & Strategy Need
Test Data Management Need
Test Environment Management Need

Gap analysis: skills to develop

To reach the next level you'll need to develop:

Chaos Engineering

Independently develops Chaos Engineering tests. Applies test design techniques. Integrates tests into CI/CD. Covers edge cases.

E2E Testing

Conducts E2E performance testing: full user journey performance, multi-service latency, end-to-end throughput. Tests with realistic data volumes.

Load Testing

Conducts load testing: ramp-up, steady state, peak load scenarios. Uses k6/Gatling: custom metrics, thresholds, checks. Analyzes: throughput, latency, error rate, resource usage.

Network Fundamentals

Understands TCP/IP stack behavior under load — analyzes connection pooling, keepalive settings, and socket exhaustion. Configures TLS/SSL for performance impact assessment. Works with load balancers and reverse proxies to test traffic distribution. Understands DNS resolution timing and TTL impact on test results. Debugs network bottlenecks using tcpdump and Wireshark analysis.

Test Pyramid & Strategy

Applies the test pyramid for performance: micro-benchmarks (unit level), component load tests (integration), full system tests (E2E). Determines optimal distribution.

Test Data Management

Manages test data for performance: realistic data volumes, data distribution matching production. Generates synthetic data. Ensures data isolation between test runs.

Test Environment Management

Manages performance test environments: dedicated resources, network isolation, baseline configuration. Ensures consistent results: resource monitoring, noise reduction.