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Senior Software Engineer Testing

Job in O'Fallon, Missouri, 63366, USA
Listing for: Xtagservices
Full Time position
Listed on 2026-01-12
Job specializations:
  • Software Development
    Software Engineer, Senior Developer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Location: O'Fallon

GLIDER Test Required: Testing Software Engineer – Advanced

Top Required Technical Skills:

  • Java (basic coding required)
  • Microservices testing
  • BDD framework (Cucumber; prior BDD experience is a plus)
  • Basic knowledge of Oracle & Postgres databases
  • Angular experience (nice to have)

Key Responsibilities:

  • Ensure code design quality and compliance with enterprise standards
  • Design and develop complex applications, integrations, and interfaces
  • Drive performance engineering across enterprise systems
  • Contribute to advanced code development, review, and day-to-day support
  • Evaluate and recommend tools/technologies to support testing needs
  • Develop technical work products and own solution design
  • Lead projects across the full SDLC (requirements → testing → deployment)
  • Define development strategy & gating criteria for production readiness
  • Review monitoring practices and proactively address issues
  • Establish & enforce coding/testing guidelines through team reviews
  • Mentor and coach team members on quality, performance, and security

All About You:

  • Strong knowledge of Agile software development processes
  • Hands-on experience with UI development (Angular JS)
  • Database experience (Oracle, advanced SQL scripting)
  • Ability to integrate open-source & vendor products into systems
  • Skilled at planning, leading, and collaborating with cross-functional teams
  • Ability to create flowcharts, decision trees, and wireframes (Visio, PPT, DOC)
  • Experience in financial services, cards, or payments industry (preferred)
  • Ability to mentor and guide junior engineers
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Position Requirements
10+ Years work experience
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