Senior Software Engineer

To apply, email Natalia Flores Vargas directly at View email address on click.appcast.io{target="_blank" rel="noopener"}, 4250 North Fairfax Drive, 9th Floor, Arlington VA 22201, with a copy of your resume and reference MC95-2026. ONLY APPLICATIONS SENT TO THE AFOREMENTIONED EMAIL WILL BE CONSIDERED. Employer's Name: Mastercard Technologies, LLC Job Title: Senior Software Engineer (O'Fallon, MO) Position Duties : Leads end to end design and development of major modules, projects, and large scale initiatives with long term business impact. Plans, designs, and implements technical solutions and alternatives that meet business needs while adhering to Mastercard standards, processes, best practices, and PCI requirements. Owns performance, scalability, and integration decisions and cost/benefit optimization, and develops technical roadmaps to optimize services and functions. Collaborates cross functionally with product managers, stakeholders, and other technical leads to drive design alignment, implementation, and successful delivery of complex projects. Acts as a technical mentor, providing guidance to junior and mid level developers, conducting brownbag sessions, and promoting modern technologies, frameworks, and methodologies. Participates in Proofs of Concept (POCs) and supports evaluation and selection of vendor solutions, tools, technologies, methodologies, and frameworks. Performs requirements reviews, design reviews, peer code reviews, security reviews, and continuous opportunities to enhance standards and improve development processes. Serves as a subject matter expert for production support, assisting with incident resolution, complex problem tickets, and ensuring system stability and reliability. Continuously identifies and implements process and efficiency improvements to enhance delivery quality, operational effectiveness, and overall engineering outcomes. Job Requirements : Master's degree or foreign equivalent in Information Systems, Information Technology, Computer Science, Engineering or related and five (5) years of progressively responsible experience in the job offered, or as a Programmer Analyst, Software Engineer, Stack Developer, or related. Alternatively, employer will accept a Bachelor's degree or foreign equivalent in Information Systems, Information Technology, Computer Science, Engineering or related and seven (7) years of progressively responsible experience. Qualifying experience must include at least three (3) years of experience with each of the following: JAVA [JDKv17]; SpringBoot; Spring; Oracle/SQL; Angular; JENKINS Pipeline for CI/CD TOOLS; ALM TOOLS; PCF or AWS. Employer will accept any suitable combination of education, training, or experience. Telecommuting and/or working from home may be permissible pursuant to company policies. ** ** **Hours per week: **40 hours/week Location of Employment : 2200 Mastercard Blvd, O'Fallon, MO, 63368 Contact Person: Natalia Flores Vargas, View email address on click.appcast.io{target="_blank" rel="noopener"}, @ Mastercard Technologies, LLC, 4250 North Fairfax Drive, 9^th^ Floor, Arlington VA 22201. Ref MC95-2026. Mastercard Technologies, LLC