Principal Performance Engineer

Nisum; Khordha, Hyderabad; Hybrid; INR 4,000,000 - 9,000,000; Full time

Job summary

Nisum is seeking a Principal Software Engineer specializing in Performance Engineering to lead automated performance testing for new and enhanced features in the ECommerce Engineering domain. The role involves collaborating with Scrum teams across ECommerce and Platform Engineering, reviewing code, and driving performance delivery through automation and leadership.

The ideal candidate has extensive experience in performance testing, hands-on leadership, and deep knowledge of tools like JMeter,

Qualifications

• 15+ years of performance testing experience and at least 4+ years at Principal level.
• Hands-on leader driving design, development and delivery to production while mentoring teammates.
• 5+ years writing and maintaining performance tests using tools such as Apache JMeter.

Responsibilities

• Craft load models and design cohesive load, stress, capacity and endurance tests across micro front-ends and services.
• Write high-quality code aligned with coding standards.
• Automate performance impact assessments of code changes for broader teams.

Skills

Performance testing

JMeter

APM

Kubernetes

Java

NodeJS

SQL

REST/JSON

Git

Web performance

Leadership

Tools

AppDynamics

Grafana

OpenSearch

Job description

As aPrincipal Software Engineer in Performance Engineeringdomain within the ECommerce Engineering organization, youll drive theteam writing automated performance tests of new and enhanced features. You’ll work closely with engineers on your own team as well as Scrum teams across the ECommerce and Platform Engineering teams. Through programming and code reviews you’ll be able to expand your skills and grow as an engineer.

Key Job Functions

• Assist senior engineers in crafting load models, designing and developing cohesive load, stress, capacity and endurance tests which span micro front-ends, application services and core enterprise services
• Write code that is of high quality and consistent with our coding standards
• Through automation, enable engineers outside your team to understand how recent code changes impact performance
• Produce automated performance and capacity testing reports in an easily digestible format for varying audiences such as Software Engineers, Site Reliability Engineers and Senior Leadership
• Participate in Communities-of-Practice in those technologies in which you have an interest
• Participate in continuous education programs to grow your skills both technically and in the Williams-Sonoma business domain
• Serve as a leader of a Scrum team and participate in all planning, stand-up and retrospective meetings

Key Skills needed-

• 15+ years of performance testing experience & would have worked atPrincipal level for at least 4+years.
• Principal is hands-on leader who drives design, development and delivery to production, helping team members technically while working in key stakeholders to align for project goals regularly through discussions and demos.
• 5+ years of experience writing and maintaining performance tests in tools such as Apache JMeter
• Experience with APM (Application Performance Monitoring) and visibility tools such as AppDynamics, Open Search and Grafana
• Experience working with containerized Java and NodeJS applications running in Kubernetes as well as traditional Virtual Machines with Apache Tomcat as the Java application container
• Working knowledge of web technologies including HTML, HTTP, REST, JSON, and JavaScript
• Proficiency with SQL and a thorough understanding of relational database systems such as Oracle
• Knowledge of no-SQL and time series databases such as Oracle, Apache Cassandra and InfluxDB are a plus
• Knowledge of core web vitals as well as measurement tools such as SiteSpeed.io, Lighthouse, Chrome Performance Tools as well as WebPageTest are a plus
• An understanding of source code management tools such as Git and other core programming practices
• Enthusiasm for constant improvement as a Principal Software Engineer
• Ability to review and understand proposed designs and offer thoughtful feedback in a collegial fashion
• Ability to communicate clearly and effectively both verbally and in writing.