Senior Performance Test Engineer

About Vista Equity Partners Vista Equity Partners is a leading global investment firm focused exclusively on enterprise software, data, and technology-enabled businesses. With over $100B in assets under management and a portfolio of 90+ software product companies worldwide, Vista accelerates growth through operational excellence, shared expertise, and long-term partnership. In India, Vista’s presence continues to expand with 45+ portfolio companies employing more than 17,000 professionals across technology, product, customer success, and operations — reinforcing India’s strategic role as a hub of innovation and talent within the Vista ecosystem. Through its Agentic AI Factory, Vista is embedding Generative AI across its global portfolio — enabling companies to integrate intelligent, responsible AI into products, operations, and decision-making. This initiative is strengthened through portfolio-wide learning programs, leadership workshops, and AI hackathons that foster innovation, build fluency, and accelerate practical AI adoption across teams. About Amtech Amtech is a leading provider of enterprise software solutions for the packaging, printing, and manufacturing industries. Our integrated systems streamline order management, production planning, scheduling, inventory, and business analytics — empowering customers to drive efficiency, reduce costs, and improve operational performance. With a strong commitment to innovation and customer success, Amtech delivers reliable technology backed by deep industry expertise. With Vista’s investment and strategic guidance, we combine the agility of a growing technology organization with the scale, stability, and career mobility of a global software ecosystem. Role Description Amtech is seeking a Senior Performance Test Engineer who can independently own the non-functional quality of applications throughout the software development lifecycle. This role is responsible for designing, developing, executing, and analyzing performance tests to ensure applications meet performance, scalability, reliability, and availability goals under expected and peak workloads. The Performance QA Engineer will collaborate closely with Engineering, Architecture, DevOps, Product Management, and Quality Engineering teams to identify performance risks early, diagnose bottlenecks, and drive performance improvements before production releases. The ideal candidate combines strong performance engineering expertise with solid software testing fundamentals, automation skills, and experience using AI-assisted testing tools to improve productivity and quality. KEY RESPONSIBILITIES Performance Strategy and Planning Define performance testing strategies for On-Prem and SaaS Products; business workflows, and enterprise systems. Define performance strategies, non-functional requirements, SLAs, workload models, and release criteria. Participate in requirement, architecture, database, infrastructure, and design reviews to identify performance risks early. Design and execute baseline, load, stress, spike, endurance, scalability, capacity, volume, failover, and resilience tests. Develop reusable scripts using JMeter, k6, Gatling, Locust, LoadRunner, NeoLoad, or similar tools. Performance Analysis & Optimization Analyze response time, throughput, latency, concurrency, error rates, and resource utilization. Identify bottlenecks across the UI, APIs, application, database, network, infrastructure, and cloud layers. Evaluate browser and frontend performance, including page load, rendering, responsiveness, and network activity. Perform SQL performance analysis covering execution plans, indexing, locking, blocking, waits, I/O, and connection pooling. Correlate logs, APM data, database metrics, infrastructure telemetry, and distributed traces to determine root causes. Partner with Development, DevOps, Database, Infrastructure, and Architecture teams to recommend and validate optimizations. Produce clear performance reports highlightin…