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Systems Architect - eCommerce Platform and Performance Engineering

Direct Hire
Redtech is helping our client with a direct hire search for a Systems Architect - eCommerce Platform and Performance Engineering.

Location – Issaquah, WA or Chicago (in Schaumburg, IL) or Dallas, TX (Plano)
Schedule - Hybrid - 25% on site, so typically 1 day per week. May require more onsite time until settled in.
Background check - requires successful completion
US Citizen or Green card holder required - no 3rd party candidates

Our CLIENT is looking for a dedicated and experienced System Architect in designing and deploying applications in HCL Websphere commerce stack and who can build server clusters, API and microservices, including critical production environments powered by AIX infrastructure. This role will partner with full stack engineers, solution architects, and quality engineers to design and deploy for availability, performance, and scalability of applications and will ensure that the service delivery pipeline, monitoring, and health checks are fully automated.


  • Designs and executes system strategies that ensure the scalability and the elasticity of the web commerce infrastructure.
  • Designs and executes system strategies that ensure the scalability, availability, Performance, and the elasticity of the infrastructure both on premise as well as in hybrid cloud (Azure) environments.
  • Evaluates the impact of code on performance, scalability, and resiliency of the production infrastructure; provides advice and partners with development and operations teams to ensure production readiness and performance.
  • Defines Caching schemes and CDN policies to optimize the customer experience across desktop and mobile platforms.
  • Administers high availability and high-performance environments, as well as manages large-scale deployments of traffic-heavy applications.
  • Defines and monitors key Service Level Objectives and Indicators to ensure efficiency and reliability across all systems.
  • Facilitates and conducts retrospectives and drives their implementation.
  • Partners with software engineers and technology leadership to establish operational strategy and then delivers against those expectations.
  • Provides expertise in zero downtime deployments, best incident management practices, and operational excellence.
  • Implements and optimizes tooling for the Development and Ops teams to improve efficiency, velocity, and stability.
  • Designs and implements solutions to evaluate and improve performance and scalability of systems, infrastructure, interfaces, applications, and platforms.
  • Architects’ solutions for microservices to do self-service performance and scalability evaluation.
  • Leads root causes for performance and scalability issues and contributes to product code to alleviate these issues.
  • Optimizes sizing of deployed component instances for cost optimization.
  • Develops performance and scale test plans based on deep understanding of domain, architecture and product tech stack.
  • Designs and implements relevant simulators to ingest large scale data.
  • Designs, implements, and maintains test frameworks.
  • Supports extended teams in troubleshooting problems, such as system malfunctions.
  • Provides feedback, proposes solutions, and suggests improvements.
  • Designs, Codes, Tests, and Delivers software to automate and realize the potential of self-healing architectures.
  • Engages with Architects and Design Authorities across multiple areas to ensure end to end performance and scalability.
  • Designs and executes cutting edge system testing strategies (smoke tests, performance/load tests, regression tests, capacity tests).


  • 4 years’ in an engineering and architectural role.
  • 3+ years’ proven experience in software engineering, focusing on performance, scale in on-premises, and cloud environments (Azure).
  • Experience in managing performance and integration of Digital Commerce environments, (especially, WebSphere Commerce with systems/services such as Payment gateways, Order Management, Content Management systems, User generated content, Google Analytics, Geo Location service, etc).
  • Experience with distributed Cache technologies such as Redis and CDN such as Akamai to enable highly optimized end user experience on mobile and desktop form factors...
  • Experience with Cloud and on premise SRE Observability and Monitoring services and machine data technologies (Datadog, Dynatrace, Grafana, AppDynamics, Splunk, ITRS Geneos). Strong understanding of OS fundamentals (AIX/ Linux/ Windows). Proven expertise in solving OS level performance issues.
  • Ability to discern performance impact across the full stack, including web and mobile front end, caching layers, CDN, and memory, file system, and relational databases.
  • Experience with RUM tools and synthetic testing.
  • Ability to find the root cause of performance bottlenecks with profiling tools.
  • Passionate to optimize the performance bottlenecks and improve the services.
  • Experience in tackling problems of load, scale, and optimizations of sophisticated large-scale deployments.
  • J2EE/WebSphere infrastructure architecture. N-Tier architectures, high availability, scalability, and performance.
  • J2EE/WebSphere application architecture.
  • Ability to design and develop software applications based on J2EE technologies and related best practices.
  • WebSphere Application Server (WAS), WAS ND, WebSphere Commerce Server (WCS), WebSphere eXtreme Scale (WXS), WebSphere Process Server (WPS), WebSphere Business Monitor (WBM), WebSphere Service Registry and Repository (WSSR), administration, configuration, performance tuning, security, monitoring, deployment, testing and troubleshooting.
  • Performance tuning of database - Oracle, DB2, and Microsoft SQL.
  • Application deployment and configuration.
  • J2EE/WebSphere application performance tuning, monitoring, testing and troubleshooting.
  • Web Servers - Apache, Microsoft IIS, Java Web Server, and IBM HTTP Server.
  • Application Servers, Message Servers, Cache and Search Technologies. WebSphere Application Server (WAS) ND, WebSphere Commerce Server (WCS), WebSphere eXtreme Scale (WXS), WebSphere Process Server (WPS), WebSphere Enterprise Services Bus (WESB), WebSphere Business Monitor (WBM), WebSphere MQ (WMQ), WebSphere Message Broker (WMB), WebSphere DataPower, WebLogic Server etc.
  • Excellent understanding of Scalability processes and techniques.
  • Experience and exposure in designing systems in Windows, Biztalks, and advanced level of knowledge in Azure.