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Staff Performance Engineer , VisaNet

4.00 to 7.00 Years   Bangalore   29 Jan, 2021
Visas Avenue Pvt Ltd
Job LocationBangalore
EducationNot Mentioned
SalaryNot Disclosed
IndustryBanking / Financial Services
Functional AreaSales / BD,General / Other Software
EmploymentTypeFull-time

Job Description

  • Conduct component level performance engineering activities, including code and data flow review.
  • Contribute for creating application and infrastructure performance plans/models for a highly scalable, low-latency, highly-available and high-throughput payment processing system
  • Design and Develop Data generation tools that simulate production like transaction mix.
  • Execute load and performance tests to validate system performance and stability; and troubleshoot and identify issues.
  • Design and conduct tests with complex workloads and data shapes to expose potential bottlenecks and failure points.
  • Perform root cause analysis for the issues identified.
  • Analyze metrics and trends to glean opportunities for performance improvements of the application.
  • Experiment with ways to eliminate issues and present corrective actions, conduct session with developers and architects on the corrections/techniques suggested.
  • Oversee system performance lifecycle and identify key metrics for performance improvements.
  • Generate periodic performance engineering reports for architects, developers and PMs to review.
  • Contribute for internal publishing of design tradeoffs, code best practices and lessons learned
  • Support in triaging and troubleshooting of highly distributed services in production environment

Mandatory Skillset

  • Performance Modelling capability based on Performance Test Numbers for a predefined application Non Functional Requirement
  • Understanding of Microservices/CGROUP and Namespaces in Linux
  • Deep Understanding of Linux Memory management
  • Deep Understanding of IO Subsystem (IO subsystem layers, Type of IOs, Caching, Filesystems, RAID)
  • Understanding of Compute subsystem with in-depth knowledge of scheduling of process, thread and goroutines/LWT
  • Understanding of process state, context switches, system calls
  • Knowledge of at least one language - GoLang, Python or Java. Should be able to code independently
  • Ability to build Cost Profile for Application based on test results[CPU, Memory, IO and Network]
  • Ability to profile CPU and Memory consumptions or raw dumps. Familiarity with traces, thread dumps, debug log

Additional Skillset

  • Deep understanding of Docker and Kubernetes is a plus
  • Deep understanding of Kafka is a plus
  • Deep understanding of Relational Database is a plus
  • Deep understanding of any NoSQL Database is a plus
Qualifications
  • Extraordinary software engineering talent
  • Minimum of 3 years hands-on experience in performance engineering
  • Effective verbal and written communication skills
  • BS or MS in Computer Science or related degree from recognized university
  • Previous experience with financial services or payments processing domain is a big plus
  • Extraordinary software engineering talent
  • Minimum of 3 years hands-on experience in performance engineering
  • Effective verbal and written communication skills
  • BS or MS in Computer Science or related degree from recognized university
  • Previous experience with financial services or payments processing domain is a big plus
,

Keyskills :
written communicationroot causedigital conversionkey metricsdata flowtest scriptsfinancial servicessoftware engineeringperformance engineeringenvironmentperformance testingload testingcommunication skillscorrective actionsload runnerproject

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