The Performance Engineer will design, implement, and optimize scalable systems on AWS and Kubernetes, ensuring reliability and efficiency through testing and monitoring.
Who we areZinier is a global company headquartered in San Mateo, California, with offices in Latin America, Singapore, Bengaluru, Australia, and Portugal and backed by leading investors including Accel Partners and Founders Fund.Why we existServices shape how we live. Electricity lights up our homes. The Internet opens up our worlds. Cellular phones keep us connected no matter where we are. We take for granted the things we can turn on with the flip of a switch. But when even one of the services we depend on isn’t available, the day can quickly start to go sideways.For organizations that provide these services, some of the most important work happens in the field — in neighborhoods, across open spaces, and along millions of last miles that criss-cross the country. Every moment of downtime matters, which is why Zinier exists. Zinier empowers organizations to work smarter — from the main office to the field — to solve problems quickly, fix things before they break, and keep people in the rhythm of their days.To do this, Zinier has created a scalable platform powered by AI-driven insights and intelligent automation that helps field service teams work smarter, better, faster, and more efficiently. We help organizations automate routine tasks so the people in the field can focus on putting their expertise to work. We work with customers in telecom and energy. Job Summary:We are seeking a Performance Engineer with 4+ years of experience to design, implement, and optimize scalable, high-performance systems on AWS and Kubernetes. The ideal candidate will have expertise in performance testing, monitoring, and troubleshooting distributed applications while ensuring reliability, scalability, and efficiency in product and platformRequired Skills:Performance Testing & Benchmarking:
- Design, develop, and execute performance, load, stress, and endurance tests for our product.
- Minimum of 4- 6 years of relevant work experience with performance testing on web and mobile applications
- Define performance SLAs, SLOs, and KPIs to measure system efficiency.
- Simulate real-world traffic scenarios to analyze system behavior under peak loads.
- Identify performance bottlenecks, conduct root cause analysis, and recommend optimizations.
- Optimize Kubernetes cluster performance, resource allocation, pod scheduling, and autoscaling.
- Tune AWS services such as EC2, RDS, DynamoDB, S3 and Cloud Front for optimal performance.
- Improve database performance by analyzing slow running query execution, indexing strategies, and caching.
- End-to-end performance monitoring using Prometheus, Grafana
- Automate alerts for latency, resource utilization, and request failures.
- Continuously analyze production performance data to proactively prevent performance degradation.
- Work closely with backend engineers, SREs, and DevOps to fine-tune system performance.
- Provide insights for capacity planning and cost-optimized scaling strategies.
- Document best practices, performance guidelines, and optimization strategies.
- Performance Testing & Engineering: Load testing, stress testing, capacity planning Cloud Technologies: AWS
- Containerization & Orchestration: Kubernetes, Docker
- Monitoring & Observability: Prometheus, Grafana
- Scripting & Automation: Python, Java, Golang, or equivalent Performance Testing Tools: JMeter, Database Performance Optimization: SQL tuning, indexing, caching strategies Networking & Security: API Gateway, Load Balancers
Top Skills
AWS
Go
Grafana
Java
Jmeter
Kubernetes
Prometheus
Python
SQL
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