Senior Automation Engineer - Dublin based

Job description

Overview Expleo is seeking two Non‑Functional Test Engineers (1 Senior, 1 Mid‑Level) to support one of our latest projects in the POS space. The successful candidates will validate the performance, stability, scalability and security of cloud‑native, device‑based and payment ecosystem components. These roles operate across the full payments stack — covering Payment App, TMS 3.0, POS TMC, Nexo Retailer/Acquirer protocols, downstream integrations and Android POS device performance. Engineers will ensure that all systems meet enterprise‑grade Non‑Functional Requirements (NFRs) covering load, latency, resilience, device behaviour and operational integrity. Responsibilities: - Performance & Load Testing - Define, refine and validate Non‑Functional Requirements (NFRs) - Build and execute load, stress, spike, endurance and soak tests on: - SmartPOS Payment App services - TMS 3.0 flows (downloads, commands, updates) - POS TMC sync & update flows - Nexo Retailer/Acquirer channels - Downstream pipelines (IPG, BAM, EventGateway, telemetry integrations) Measure key performance KPIs: - Transaction throughput (TPS) - End‑to‑end latency (POS → IPG → EventGateway → BAM) - Resource utilisation and...