We are seeking a Senior Performance Engineer to define, implement, and execute the performance engineering strategy for our applications and supporting services.

This role will be key to validating Non-Functional Requirements (NFRs), including response time, throughput, scalability, stability, and resource engineer will work closely with development, Dev

SecOps, architecture, and product teams to identify performance risks early, build automated performance testing capabilities, analyze system behavior under realistic workloads, and ensure applications meet agreed performance and scalability targets before production release.

Responsibilities

Define the overall performance testing and performance engineering strategy based on application architecture, business usage patterns, and NFRsTranslate business and technical NFRs into measurable performance acceptance criteria, test scenarios, workload models, and success thresholds

Design and execute load, stress, spike, endurance/soak, scalability, and capacity tests across web applications, APIs, and backend services

Develop and maintain automated performance test scripts and reusable performance testing frameworks

Test the performance of HTTP/REST and gRPC-based APIs and services

Establish realistic workload models based on expected user volumes, concurrency, transaction patterns, and production-like behavior

Analyze performance across the full application stack, including frontend, APIs, services, databases, caching layers, infrastructure, and third-party dependencies

Identify performance bottlenecks and conduct root-cause analysis using application, infrastructure, database, and observability data

Validate application behavior under normal, peak, and sustained workloads

Evaluate key performance indicators such as response time, latency, throughput, error rate, concurrency, CPU, memory,



network utilization, and database performance

Integrate performance tests into CI/CD pipelines to support continuous performance validation and detect regressions early

Establish performance baselines and track performance trends across releases

Partner with software engineers and Dev

SecOps teams to recommend and validate performance optimizations

Produce clear performance test reports, identify risks, and communicate whether agreed NFRs and release criteria have been met

Support capacity planning and provide recommendations for application and AWS infrastructure scalability

Requirements3+ years of performance testing/performance engineering experience with production web applications and distributed systems

Proficiency in performance testing tools such as k6, JMeter, and Gatling

Familiarity with Locust or similar load testing tools

Strong understanding of load, stress, and spike testing

Expertise in endurance/soak, scalability, and capacity testing

English proficiency at an Upper-Intermediate level (B2) or higher

We offer

International projects with top brands

Work with integral teams of highly skilled, diverse peers

Healthcare benefits

Employee financial programs

Paid time off and sick leave

Upskilling, reskilling and certification courses

Unlimited access to the Linked

In Learning library and 22,000+ courses

Global career opportunities

Volunteer and community involvement opportunitiesEPAM Employee Groups

Award-winning culture recognized by Glassdoor, Newsweek and Linked

InEPAM is an Equal Opportunity Employer.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, sexual orientation, gender identity or expression, disability, protected veteran status, or any other characteristic protected by applicable law.#J-18808-Ljbffr

📌 Senior Performance Engineer (Chile)
🏢 EPAM Systems
📍 Chile