Senior Performance Engineer – Telco Analytics

Sabenza IT & Recruitment; Johannesburg; On-site; ZAR 600 000 - 900 000; Full time

Job summary

A leading recruitment company in Johannesburg is seeking a highly skilled Senior Performance Engineer to design, test, and optimize high-performance analytics systems for large-scale telco data. The role requires a strong background in performance engineering, expertise in testing tools, and proficiency in programming languages such as Python and Java. Ideal candidates will have excellent analytical skills and experience with big data technologies. This position offers the opportunity to work on vital projects that drive operational efficiency in modern telco environments.

Qualifications

• Proven experience in performance engineering or similar role.
• Strong expertise in performance testing tools, profiling, and monitoring solutions.
• Exceptional analytical, problem-solving, and communication skills.

Responsibilities

• Design and optimize high-performance analytics systems.
• Monitor system performance to identify bottlenecks.
• Collaborate with data architects to enhance reliability.

Skills

Performance testing tools

Python

Java

Scala

Analytical skills

Education

Bachelor’s or Master’s degree in Computer Science

Tools

Big data technologies

Cloud-based analytics environments

Job description

Overview

We are seeking a highly skilled Senior Performance Engineer to join our team, ensuring our analytics systems can handle massive telco data loads efficiently and reliably. You will play a pivotal role in designing, testing, and optimizing high-performance systems to deliver actionable insights with minimal latency, supporting the rapid growth and demands of modern telco operations.

Responsibilities

• Design, implement, and optimize high-performance analytics systems to handle large-scale telco data.
• Monitor and analyze system performance to identify bottlenecks and ensure scalability.
• Collaborate with data architects, engineers, and analysts to enhance system reliability and efficiency.
• Conduct performance testing, benchmarking, and load testing for new and existing solutions.
• Recommend and implement best practices for system tuning, capacity planning, and resource optimization.
• Troubleshoot and resolve performance issues across the analytics stack, including databases, pipelines, and visualization tools.
• Stay up-to-date with emerging performance engineering technologies, tools, and methodologies.

Requirements

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• Proven experience as a Performance Engineer, Systems Engineer, or similar role in telco or large-scale data environments.
• Strong expertise in performance testing tools, profiling, and monitoring solutions.
• Experience with big data technologies, analytics platforms, and distributed systems.
• Proficiency in programming languages such as Python, Java, or Scala.
• Solid understanding of databases, ETL processes, and cloud-based analytics environments.
• Exceptional analytical, problem-solving, and communication skills.