Performance Test Lead

Cielo Talent; Bengaluru; On-site; INR 1,600,000 - 2,400,000; Full time

Job summary

Cielo Talent is seeking a senior Performance Engineer in Bengaluru to drive performance testing and optimization for high-traffic retail platforms. You will lead JVM tuning, GC analysis, and profiling, leveraging JMeter, LoadRunner, and Dynatrace. Strong scripting, AWS, and containerization expertise are required.

The role emphasizes leadership, analytical problem solving, and the ability to mentor engineers in a fast-paced environment.

Qualifications

• 9+ years of dedicated performance engineering and testing experience.
• Proven experience with large-scale, high-traffic retail e-commerce platforms.
• Expert level with JMeter and LoadRunner for load testing.
• Deep Java performance expertise including JVM tuning and GC optimization.
• Experience with Dynatrace and code profilers for performance monitoring.
• Strong scripting skills in Python, Java, or Groovy.
• Solid cloud (AWS) and containerization knowledge (Docker, Kubernetes).
• Experience tuning SQL and NoSQL databases (SQL Server, Oracle, Cassandra, PostgreSQL).
• Excellent problem solving, leadership, and communication abilities.

Skills

Performance testing

Java performance

JVM tuning

GC analysis

Concurrency control

Scripting skills

Analytical skills

Leadership

Communication skills

Tools

JMeter

LoadRunner

Dynatrace

Profilers

AWS

Docker

Kubernetes

SQL tuning

NoSQL tuning

Job description

Primary Responsibilities:

• 9+ years of dedicated experience in performance engineering and testing.
• Domain Knowledge: Proven experience working on large-scale, high-traffic retail e- commerce platforms.
• Performance Testing Tools: Expert-level proficiency with industry-standard load testing tools - JMeter, LoadRunner.
• Java Stack Performance Engineering: Deep expertise in core Java performance engineering, including JVM tuning (HotSpot, OpenJDK), Garbage Collection (GC) analysis and optimization, heap memory analysis (heap dumps, profilers), and concurrency/threading management (Java 8 Java 21).
• APM & Profiling: Hands-on experience with Application Performance Management (APM tools - Dynatrace) and code profilers.
• Programming/Scripting: Strong scripting skills in languages like Python, Java, or Groovy.
• Cloud & Infrastructure: Solid understanding of cloud platforms (AWS) and containerization technologies (Docker, Kubernetes).
• Databases: Experience with performance tuning of both SQL (Microsoft SQL and Oracle ) and NoSQL databases (Cassandra, Astra, PostgreSQL).
• Analytical Skills: Exceptional analytical and problem-solving skills with a proven ability to diagnose and resolve complex technical issues.
• Leadership: Demonstrated ability to lead projects, mentor engineers, and influence technical decisions.
• Communication: Excellent verbal and written communication skills.