NFT Performance Engineer - Cloud & POS Systems

Expleo; Nenagh; On-site; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Pension

Expleo Academy

Job summary

Expleo is seeking two Non‑Functional Test Engineers (Senior and Mid‑Level) to validate performance, stability, scalability and security across cloud‑native and device‑based components in the POS ecosystem. The roles are fully onsite in Nenagh, Co.

Tipperary, Ireland, and will cover Payment App, TMS 3.0, POS TMC and Nexo flows. Responsibilities include load testing, device performance checks and resilience testing in Kubernetes, plus security and observability tasks.

Qualifications

• Third level qualification in Computer Science/IT/Software Engineering
• 5–8+ years QA experience with NFT/performance testing
• 2–3+ years cloud‑native performance engineering experience

Responsibilities

• Perform NFT performance testing including load, stress, soak and end‑to‑end testing
• Validate CPU, memory, battery and thermal behaviour on Android POS devices
• Test microservices in Kubernetes/containerised environments for auto‑scaling and resilience
• Verify TLS/secure headers, rate limiting and PCI‑aligned behaviour under load
• Analyse logs and metrics with Kibana/Splunk, Prometheus/Grafana, CloudWatch
• Support CI/CD integration of performance scripts and KPI dashboards
• Produce NFT artefacts: strategy, tests, execution results and bottleneck analysis

Skills

Client-facing skills

Teamwork

Self-management

Innovative thinking

Communication

Education

Bachelor's degree in Computer Science/IT/Software Engineering

Tools

Kubernetes

Docker

JMeter

Gatling

Locust

LoadRunner

Prometheus

Grafana

CloudWatch

ELK/Kibana

Kafka

SQS

Pub/Sub

TLS/OAuth/JWT

Python

Bash

CI/CD

Payments domain knowledge

Job description

Expleo is seeking two Non‑Functional Test Engineers (Senior and Mid‑Level) to validate performance, stability, scalability and security across cloud‑native and device‑based components in the POS ecosystem. The roles are fully onsite in Nenagh, Co.

Tipperary, Ireland, and will cover Payment App, TMS 3.0, POS TMC and Nexo flows. Responsibilities include load testing, device performance checks and resilience testing in Kubernetes, plus security and observability tasks.