Senior Performance Engineer

The role

The Performance Engineering team designs and verifies performance for the Software Defined Vehicle (SDV) platform backend systems. This role involves defining performance goals from the design stage, building automated verification systems, and improving architecture.

What you will do

• Define performance goals (SLA/SLO) from the service design stage and propose performance-oriented architecture.
• Build CI/CD-based performance test automation and continuous performance verification systems.
• Design and operate performance test scenarios considering large-scale traffic and vehicle data processing environments.
• Analyze and improve system-wide performance bottlenecks including applications, databases, infrastructure, and networks.
• Advance performance test automation and analysis processes using AI-based tools.
• Predict infrastructure capacity and establish cost-efficient expansion strategies for business growth.

Required qualifications

• 7 years or more of Backend development or Performance Engineering experience
• Experience with MSA-based service architecture and performance optimization
• Experience using performance testing tools such as k6, Locust, and JMeter
• Experience in system performance analysis and tuning for Linux, JVM, and Database
• Understanding of DevOps and CI/CD-based development environments
• Communication skills to collaborate with various stakeholders and effectively convey technical content

Nice to have

• Experience in operating and optimizing AWS-based services (EKS, RDS, Kafka, etc.)
• Experience building Observability platforms such as Datadog, Prometheus, and Grafana
• Experience in performance optimization for large-scale data platforms or real-time messaging systems
• Experience in fault response and resilience verification based on Chaos Engineering
• Cloud cost optimization (FinOps) experience
• Experience in improving development productivity using AI-based development tools

Before you apply

• Interview process includes document screening, coding test, 1st interview (video, approx. 1 hour), and 2nd interview (in-person or video, approx. 3 hours).
• Do not include prohibited information such as resident registration number, family relations, marital status, salary, photo, physical conditions, or hometown in the application.
• Employment may be canceled if false information is found in the application.
• Reference checks may be conducted after the interview process with the candidate's consent.
• A 3-month probation period may apply.

About the company

42dot's Performance Engineering team designs and verifies the stability and scalability of the Software Defined Vehicle (SDV) platform backend systems. The team collaborates with major platform development organizations like Gleo AI and App Market.