Visa Technology & Operations LLC, a Visa Inc. company, needs a Sr. Software Engineer (multiple openings) in Highlands Ranch, CO toEnhance and maintain existing automation test tools based on Java, C# and Python, as applicable.Investigate bugs using various available tools such as JIRA.Support production deployment activities and global business enhancement releases.Work with cybersecurity to ensure all security vulnerabilities are remediated within Required Resolution Date.Respond to inquiries from users and technical support regarding functions and operations of software programs.Identify process improvements, error trends and/or the root causes and make recommendations for remedies to colleagues and management.Support cross-functional teams in integrated test efforts.Support emergency test activities for code patch addressing production issues.Implement standard processes, tools, and metrics to deliver large-scale projects from inception to conclusion that meet quantifiable business objectives.Conduct business and technical analysis, code reviews, and unit testing.Implement and produce technical documentation of solutions for new development, system enhancements, and production support.Design, build, develop, test and/or implement software applications.Design, develop, and implement modifications and corrections to existing software, including the development of debugging routines.Perform regular check-ins to continuous integration of systems and/or software applications.Participate in cross-functional teams and work with systems analysts, project managers, QA and other developers to implement business requirements while applying the latest available tools and technology.Work under direct supervision to ensure on-time delivery of projects, production support plans, and knowledge transfer for long-term supportability of upgrades, enhancements, and deployments.Design and develop comprehensive test plans and test cases for VIP application from business requirements and conceptual documents with a focus on coverage, performance and automation.Establish and maintain structured testing methodology, especially around automation and Collaborate with Product & System Architecture teams to analyze, debug and resolve design and code issues.Develop automation framework to automate test processes.Trace through Visa-net Integrated Payments application’s code to identify root cause of issues and recommend solutions.Implement standard processes, tools and metrics to deliver large-scale projects from inception to conclusion that meet quantifiable business objectives.Position reports to the Highlands Ranch, Colorado office and may allow for partial telecommuting.