Senior Performance Engineer - Traffic & Load Testing

Tata Consultancy Services; New York (NY); On-site; USD 100,000 - 120,000; Full time

Job summary

Tata Consultancy Services in New York is seeking Software Engineers specializing in performance engineering, workload simulation, and large-scale validation for a high-volume event-driven platform. You will implement traffic replay solutions, convert production data into realistic test scenarios, and validate performance with modern observability stacks.

The role demands hands-on expertise with k6 (preferred) and experience with Locust or Gatling, distributed load generation, and cloud-native

Qualifications

• Hands-on performance & load testing experience is essential.

Responsibilities

• Design and build traffic replay tooling for large-scale transactional workloads.
• Convert logs and production exports into replayable load test scenarios.
• Develop utilities and frameworks to support large-volume performance testing.
• Collaborate with QA and Infrastructure to design end-to-end performance testing strategies.
• Enable automated performance testing within CI/CD workflows.

Skills

Performance testing

Load testing

Python/Java/Go/Node.js

k6/Locust/Gatling

Distributed systems

Kafka/ Pub/Sub

Observability tools

Kubernetes

Analytics & debugging

Tools

k6

Locust

Gatling

Grafana

Prometheus

Datadog

OpenTelemetry

Kafka

Google Pub/Sub

Job description

Tata Consultancy Services in New York is seeking Software Engineers specializing in performance engineering, workload simulation, and large-scale validation for a high-volume event-driven platform. You will implement traffic replay solutions, convert production data into realistic test scenarios, and validate performance with modern observability stacks.

The role demands hands-on expertise with k6 (preferred) and experience with Locust or Gatling, distributed load generation, and cloud-native