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Senior Performance Engineer(m/w/x)
Optimizing Proton VPN's end-to-end performance, developing distributed testing systems for network conditions. 5+ years in performance engineering or systems QA required. Stock options, transport cost support, daily lunch.
Requirements
- 5+ years of experience in performance engineering or systems QA
- Knowledge of network protocols (TCP/IP, UDP, TLS, WireGuard)
- Proven ability to analyze latency, throughput, and stability metrics
- Proficiency in Python or similar scripting language, or Rust/C/C++
- Familiarity with network emulation and simulation tools
- Experience with monitoring and observability stacks and CI/CD pipelines
- Cross-platform experience with Linux, macOS, Windows, Android, and iOS
- Analytical and methodical, yet creative in solving complex performance problems
- Comfortable working with uncertainty and non-deterministic conditions
- Collaborative mindset, able to work across client, infrastructure, and data teams
- Strong communication and documentation skills in English
Tasks
- Define and drive performance measurement and analysis
- Optimize Proton VPN’s end-to-end performance
- Design and own the performance framework
- Define metrics and KPIs for user experience
- Develop distributed testing systems for network conditions
- Continuously measure and analyze performance across platforms
- Identify bottlenecks and regressions in performance
- Collaborate with teams to optimize protocol handling and connection setup
- Create dashboards and reports to track performance health
- Set up automated alerts for global performance monitoring
- Contribute to resilient connectivity strategies
- Mentor others and promote a data-driven performance culture
Work Experience
- 5 years
Education
- Bachelor's degreeOR
- Master's degree
Languages
- English – Business Fluent
Tools & Technologies
- Python
- Rust
- C
- C++
- TCP/IP
- UDP
- TLS
- WireGuard
- tc/netem
- iperf
- IPTables/nfTables
- Grafana
- Prometheus
- Loki
Benefits
Flexible Working
- Flexible working hours
Free or Subsidized Food
- Daily lunch and snacks
Public Transport Subsidies
- Transport cost support
Competitive Pay
- Stock options
Learning & Development
- Learning opportunities
Healthcare & Fitness
- Comprehensive health insurance
- Wellness programs
Retirement Plans
- Retirement savings options
More Vacation Days
- Generous vacation and leave policies
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Senior Performance Engineer(m/w/x)
Optimizing Proton VPN's end-to-end performance, developing distributed testing systems for network conditions. 5+ years in performance engineering or systems QA required. Stock options, transport cost support, daily lunch.
Requirements
- 5+ years of experience in performance engineering or systems QA
- Knowledge of network protocols (TCP/IP, UDP, TLS, WireGuard)
- Proven ability to analyze latency, throughput, and stability metrics
- Proficiency in Python or similar scripting language, or Rust/C/C++
- Familiarity with network emulation and simulation tools
- Experience with monitoring and observability stacks and CI/CD pipelines
- Cross-platform experience with Linux, macOS, Windows, Android, and iOS
- Analytical and methodical, yet creative in solving complex performance problems
- Comfortable working with uncertainty and non-deterministic conditions
- Collaborative mindset, able to work across client, infrastructure, and data teams
- Strong communication and documentation skills in English
Tasks
- Define and drive performance measurement and analysis
- Optimize Proton VPN’s end-to-end performance
- Design and own the performance framework
- Define metrics and KPIs for user experience
- Develop distributed testing systems for network conditions
- Continuously measure and analyze performance across platforms
- Identify bottlenecks and regressions in performance
- Collaborate with teams to optimize protocol handling and connection setup
- Create dashboards and reports to track performance health
- Set up automated alerts for global performance monitoring
- Contribute to resilient connectivity strategies
- Mentor others and promote a data-driven performance culture
Work Experience
- 5 years
Education
- Bachelor's degreeOR
- Master's degree
Languages
- English – Business Fluent
Tools & Technologies
- Python
- Rust
- C
- C++
- TCP/IP
- UDP
- TLS
- WireGuard
- tc/netem
- iperf
- IPTables/nfTables
- Grafana
- Prometheus
- Loki
Benefits
Flexible Working
- Flexible working hours
Free or Subsidized Food
- Daily lunch and snacks
Public Transport Subsidies
- Transport cost support
Competitive Pay
- Stock options
Learning & Development
- Learning opportunities
Healthcare & Fitness
- Comprehensive health insurance
- Wellness programs
Retirement Plans
- Retirement savings options
More Vacation Days
- Generous vacation and leave policies
About the Company
Proton
Industry
IT
Description
Proton is a fast-growing tech company providing privacy-focused services like Proton Mail and Proton VPN, emphasizing ethical alternatives to Big Tech.
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