Senior Performance Engineer – Load Testing & Traffic Replay

Tata Consultancy Services Limited; New York (NY); Presencial; USD 100.000 - 120.000; Jornada completa

Descripción de la vacante

Tata Consultancy Services Limited in New York seeks Software Engineers specializing in performance and load testing. You will design traffic replay tooling, convert production data into realistic test scenarios, and support large-scale validation for a high-volume event-driven platform.

Ideal candidates have 7+ years of software engineering with a focus on performance engineering and strong coding skills in Python, Java, Go, or Node.js.

Formación

• Hands-on performance and load testing experience is essential.
• We are seeking senior specialists, not generalist engineers.
• Deep expertise with k6 is preferred; experience with Locust, Gatling, or similar frameworks is required.
• Experience performing large-scale distributed load generation.
• Strong understanding of performance engineering principles including scalability, resiliency, throughput, latency analysis, and bottleneck identification.
• Hands-on experience with modern observability tooling including Grafana, Prometheus, Datadog, OpenTelemetry, distributed tracing, and APM platforms.
• Experience working with cloud-native, microservices-based, event-driven architectures.
• Proven ability to identify, analyze, and remediate complex performance issues across application, messaging, database, and infrastructure layers.

Responsabilidades

• Design and build traffic replay tooling for large-scale transactional workloads.
• Convert API logs, event streams, and production exports into realistic, replayable load test scenarios.
• Develop custom utilities and frameworks to support large-volume performance testing.
• Simulate real-world user behavior and workload patterns across distributed systems.
• Support execution of large-scale load, stress, and scalability testing activities.
• Analyze application behavior, resource utilization, and bottlenecks under load.
• Partner with QA and Infrastructure Engineers to design end-to-end performance testing strategies.
• Support performance remediation efforts through detailed analysis and tooling enhancements.
• Enable automated performance testing within CI/CD workflows.
• Drive continuous improvements in platform performance, scalability, and reliability.

Conocimientos

Performance engineering

Programming languages

Load testing frameworks

k6

Locust

Gatling

Distributed systems

Cloud/Kubernetes

Observability tooling

AI testing techniques

Herramientas

k6

Locust

Gatling

Kafka

Google Pub/Sub

WebSockets

REST/gRPC

Prometheus

Grafana

Descripción del empleo

Tata Consultancy Services Limited in New York seeks Software Engineers specializing in performance and load testing. You will design traffic replay tooling, convert production data into realistic test scenarios, and support large-scale validation for a high-volume event-driven platform.

Ideal candidates have 7+ years of software engineering with a focus on performance engineering and strong coding skills in Python, Java, Go, or Node.js.