{"schemaVersion":"jobsearcher.job.v1","id":"c70b64d31edf59caaaf5a3d8","url":"https://jobsearcher.com/jobs/c70b64d31edf59caaaf5a3d8","canonicalUrl":"https://jobsearcher.com/jobs/c70b64d31edf59caaaf5a3d8","title":"Lead Software Development Engineer","description":"Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.\r\nLead Software Development Engineer\r\nOverview\r\nThe Lead Software Development Engineer is a technical leader responsible for driving software architecture, engineering strategy, and delivery of Mastercard's next-generation payment platforms. This role combines hands-on engineering leadership with architecture ownership, modernization initiatives, and adoption of Agentic AI-powered engineering practices.\r\nWhat You Will Do\r\nLead software design and architecture decisions across multiple teams and platforms.\r\nDefine engineering standards for software development, testing, security, operability, and deployment.\r\nConduct architecture reviews and provide technical governance across projects.\r\nMentor engineers and cultivate a culture of engineering excellence.\r\nArchitect highly available, fault-tolerant distributed systems capable of processing millions of transactions daily.\r\nDrive performance engineering initiatives including load testing, capacity planning, scalability analysis, and production optimization.\r\nDesign solutions supporting low-latency, high-throughput, resiliency, and operational excellence.\r\nDesign and implement large-scale event-driven architectures utilizing Kafka and modern messaging patterns.\r\nDrive adoption of asynchronous processing and distributed system design best practices.\r\nLead development and deployment using PCF, Kubernetes, Docker, and CI/CD platforms.\r\nChampion platform engineering and infrastructure automation practices.\r\nEstablish secure coding standards and application security best practices.\r\nDrive operational readiness, observability, monitoring, and supportability strategies.\r\nLead complex troubleshooting efforts, root cause analysis, and remediation activities.\r\nEstablish standards for unit, functional, and integration testing.\r\nLead adoption of AI-assisted development, AI agents, MCP-based integrations, autonomous workflows, and modern engineering productivity tools.\r\nEvaluate and implement emerging AI engineering capabilities while ensuring governance and responsible AI practices.\r\nAll About You\r\n10+ years of software engineering experience.\r\n3+ years leading large-scale distributed system initiatives.\r\nExpert-level Java, Spring Boot, REST APIs, microservices architecture, and distributed systems expertise.\r\nStrong software architecture and software design leadership experience.\r\nDeep expertise in performance engineering and reliability engineering.\r\nExtensive experience implementing secure coding standards and software quality practices.\r\nExperience mentoring engineers and leading technical decision-making.\r\nDeep understanding of observability, monitoring, operability, and production support.\r\nDemonstrated experience with AI-assisted software development, AI agents, MCP, RAG, and agentic workflows.\r\nStrong communication, stakeholder management, and technical leadership skills.\r\nMastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.\r\nCorporate Security Responsibility\r\nAbide by Mastercard's security policies and practices.\r\nEnsure the confidentiality and integrity of the information being accessed.\r\nReport any suspected information security violation or breach.\r\nComplete all periodic mandatory security trainings in accordance with Mastercard's guidelines.\r\nPay Ranges\r\nO'Fallon, Missouri: $140,000 - $231,000 USD\r\nBenefits\r\nIn line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full-time (and certain part-time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401(k) with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.\r\nJ-18808-Ljbffr","company":"Mastercard","rawCompany":"mastercard","city":"O Fallon","state":"IL","isRemote":false,"isActive":false,"createdAt":"2026-08-08T01:14:36.688Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Lead Software Development Engineer","description":"Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.\r\nLead Software Development Engineer\r\nOverview\r\nThe Lead Software Development Engineer is a technical leader responsible for driving software architecture, engineering strategy, and delivery of Mastercard's next-generation payment platforms. This role combines hands-on engineering leadership with architecture ownership, modernization initiatives, and adoption of Agentic AI-powered engineering practices.\r\nWhat You Will Do\r\nLead software design and architecture decisions across multiple teams and platforms.\r\nDefine engineering standards for software development, testing, security, operability, and deployment.\r\nConduct architecture reviews and provide technical governance across projects.\r\nMentor engineers and cultivate a culture of engineering excellence.\r\nArchitect highly available, fault-tolerant distributed systems capable of processing millions of transactions daily.\r\nDrive performance engineering initiatives including load testing, capacity planning, scalability analysis, and production optimization.\r\nDesign solutions supporting low-latency, high-throughput, resiliency, and operational excellence.\r\nDesign and implement large-scale event-driven architectures utilizing Kafka and modern messaging patterns.\r\nDrive adoption of asynchronous processing and distributed system design best practices.\r\nLead development and deployment using PCF, Kubernetes, Docker, and CI/CD platforms.\r\nChampion platform engineering and infrastructure automation practices.\r\nEstablish secure coding standards and application security best practices.\r\nDrive operational readiness, observability, monitoring, and supportability strategies.\r\nLead complex troubleshooting efforts, root cause analysis, and remediation activities.\r\nEstablish standards for unit, functional, and integration testing.\r\nLead adoption of AI-assisted development, AI agents, MCP-based integrations, autonomous workflows, and modern engineering productivity tools.\r\nEvaluate and implement emerging AI engineering capabilities while ensuring governance and responsible AI practices.\r\nAll About You\r\n10+ years of software engineering experience.\r\n3+ years leading large-scale distributed system initiatives.\r\nExpert-level Java, Spring Boot, REST APIs, microservices architecture, and distributed systems expertise.\r\nStrong software architecture and software design leadership experience.\r\nDeep expertise in performance engineering and reliability engineering.\r\nExtensive experience implementing secure coding standards and software quality practices.\r\nExperience mentoring engineers and leading technical decision-making.\r\nDeep understanding of observability, monitoring, operability, and production support.\r\nDemonstrated experience with AI-assisted software development, AI agents, MCP, RAG, and agentic workflows.\r\nStrong communication, stakeholder management, and technical leadership skills.\r\nMastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.\r\nCorporate Security Responsibility\r\nAbide by Mastercard's security policies and practices.\r\nEnsure the confidentiality and integrity of the information being accessed.\r\nReport any suspected information security violation or breach.\r\nComplete all periodic mandatory security trainings in accordance with Mastercard's guidelines.\r\nPay Ranges\r\nO'Fallon, Missouri: $140,000 - $231,000 USD\r\nBenefits\r\nIn line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full-time (and certain part-time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401(k) with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.\r\nJ-18808-Ljbffr","datePosted":"2026-08-08T01:14:36.688Z","dateModified":"2026-08-08T01:14:36.688Z","hiringOrganization":{"@type":"Organization","name":"Mastercard","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"O Fallon","addressRegion":"IL","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"c70b64d31edf59caaaf5a3d8"},"url":"https://jobsearcher.com/jobs/c70b64d31edf59caaaf5a3d8"}}