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Willis Towers Watson

Senior Software Performance Engineer"EURTM

Role Overview
The Performance Engineer will play a key role in ensuring that key milestones are met for web application performance, load and stress for one or more commercial enterprise class web products for our global Fortune 500 clients, as well as being a key contributor to capacity planning strategies. The successful candidate must be able to profile and triage performance and scalability problems through the web, application, database and infrastructure stacks. This includes identifying and partnering to remediate problem areas at the UI, web service, application container, configuration, data access layer and database layers. This candidate will work with production support teams, architects, engineers and data center personnel in the identification and remediation of these priority issues.

Note: Employment-based non-immigrant visa sponsorship and/or assistance is not offered for this specific job opportunity.

Some key responsibilities include but are not limited to:
  • Responsible for providing expertise and technical leadership in performance engineering and tuning for large-scale software systems so they achieve system performance SLA objectives. 
  • Technical leadership includes performance assurance, defining performance validations (including high-volume load, large dataset performance and stress analysis), capacity planning and configuration planning/management.
  • Partner with load/performance testing engineers for determining the validations that indicate performance objectives have been attained in the software product ready for client shipment. 
  • Works closely with product development personnel to attain the highest level of system performance by identifying potential performance bottlenecks and mitigation strategies for improvement. 
  • Identify web, application performance patterns and database parameters needed for optimal performance, based on client workload characterization and assist in an on-going basis to realize stated product and solution performance objectives. 
  • Partners with the Load/Perf Testing leadership in developing performance validation plans and performance test results documents.
  • Conduct code reviews for peers and/or junior engineering team members based upon identified performance issues in order to increase the team knowledge of performance anti-patterns.

Desired Qualifications
  • Bachelor's degree and 8+ years of related engineering experience
  • Experience working with the full Microsoft technology stack, including .NET/C# ,SQL Server, ASP.NET, MVC and Web API
  • Object Relation Mapping (ORM) such as Entity Framework or nHibernate 
  • Experience with front-end libraries, AngularJS and Bootstrap.
  • RESTful Architecture experience
  • Experience with Software as a Service (SaaS), multi-tenancy application development
  • Experience working with large relational databases (SQL Server) in development and administration
  • Demonstrable knowledge of networking protocols (such as HTTP, TCP/IP and UDP), load balancer/failover approaches, web application security and multi-tier web application architectures.
  • Experience in detecting memory leaks, deadlocks, hanging and looping processes, slow running processes, slow running database queries and biggest resource consumer.
  • Applied knowledge of approaches and tools such as ANTS, dotTrace, Glimpse, Stackify, SQL Profiler, SQL Monitor
  • In depth experience and knowledge of performance analysis, tuning techniques and benchmarking from the UI to the data tier
  • Develop robust benchmark workloads based on production traffic patterns and anticipated feature usage with varying load levels and varying account sets. 
Other Key Requirements
  • Demonstrated experience of meeting performance related deliverables on aggressive schedules with quality and on schedule
  • Excellent organizational skills, multitasking ability and proven analytical, methodical thinking, problem solving and decision making skills 
  • Excellent verbal and writing skills, including the ability to research, design, and write new documentation, as well as to maintain and improve existing material 
  • Experience working for a national or global commercial software product company requiring software product usage and high availability in a 24/7/365 model.
  • Experience working with collaboration and issue tracking tools such as Confluence and JIRA
  • Strong work ethic is a must
  • Proactive: Must be willing to seek out information and solutions that are pertinent to their responsibilities and key to their delivery
  • Must be willing to remediate code written by others
  • Team player attitude with a focus on the success of the team is a MUST
  • Proactively collaborates with other teams/team members ( Enterprise Architecture, Quality Assurance, Engineering, Information Security) across global time zones with the upmost professionalism, tact and resolve
The Company

Willis Towers Watson is a leading global advisory, broking and solutions company that helps clients around the world turn risk into a path for growth. With roots dating to 1828, Willis Towers Watson has 40,000 employees serving more than 140 countries. We design and deliver solutions that manage risk, optimize benefits, cultivate talent, and expand the power of capital to protect and strengthen institutions and individuals. Our unique perspective allows us to see the critical intersections between talent, assets and ideas "EUR" the dynamic formula that drives business performance. Together, we unlock potential. Learn more at willistowerswatson.com.
Willis Towers Watson is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to, among other things, race, color, religion, sex, sexual orientation, gender identity, national origin, age, status as a protected veteran, or disability. 
Equal Employment Opportunity: Know your rights.
Unsolicited Contact: Any unsolicited resumes/candidateprofiles submitted through our web site or to personal e-mail accounts of employees of Willis Towers Watson are considered property of Willis Towers Watson and are not subject to payment of agency fees. In order to be an authorized Recruitment Agency/Search Firm for Willis Towers Watson, any such agency must have an existing formal written agreement signed by an authorized Willis Towers Watson recruiter and an active working relationship with the organization. Resumes must be submitted according to our candidate submission process, which includes being actively engaged on the particular search. Likewise, for our authorized Recruitment Agencies/Search Firms, if the candidate submission process is not followed, no agency fees will be paid by Willis Towers Watson. Willis Towers Watson is an equal opportunity employer.

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