{"id":2480966,"url":"https://alion.io/job/mastercard-software-engineer-ii-full-stack-ai","title":"Software Engineer II - Full Stack & AI","company":{"id":252,"name":"Mastercard","domain":"mastercard.com","url":"https://alion.io/company/mastercard","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":94,"open_postings":244,"ghost_share":0.016,"stale_share":0.352,"repost_share":0.098,"time_to_fill_p50_days":21,"computed_at":"2026-10-14T06:34:16Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["O'Fallon, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":92000,"max":147000,"currency":"USD","period":"year","gross":null,"usd_annual":147000},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Angular","optional":false},{"name":"CI/CD","optional":false},{"name":"Copilot","optional":false},{"name":"Gradle","optional":false},{"name":"Java","optional":false},{"name":"Jenkins","optional":false},{"name":"Machine Learning","optional":false},{"name":"Maven","optional":false},{"name":"Oracle","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"SonarQube","optional":false},{"name":"Spring Boot","optional":false},{"name":"Spring Framework","optional":false},{"name":"SQL","optional":false},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"Docker","optional":true},{"name":"GCP","optional":true},{"name":"JavaScript","optional":true},{"name":"Kubernetes","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-10-13T22:42:05Z","employer_posted_date":"2026-10-13","last_verified_at":"2026-10-14T18:05:10Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Our Purpose\nMastercard 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.\nTitle and Summary\nSoftware Engineer II - Full Stack & AIOverviewThe Decision Services Technology team within Mastercard's Business & Market Insights organization develops analytics, reporting, and intelligence solutions that help customers investigate transactions, identify fraud patterns, and make informed business decisions.\nAs part of a rapidly growing product area, the team is investing heavily in AI-powered capabilities that automate manual analysis and improve customer outcomes. Supporting a product with significant growth and a multi-year roadmap, engineers on this team play a key role in developing, enhancing, and scaling innovative solutions across full-stack, cloud, data, and AI technologies.\nAs a Software Engineer II, you will design, build, test, deploy, and support software solutions while contributing to new product capabilities and ongoing platform enhancements. This role requires strong technical fundamentals, independent execution, and a passion for continuous learning.\nWhat You'll Do\nSoftware Development\nDesign, develop, test, deploy, and support full-stack applications and services.\nTranslate business and technical requirements into scalable, maintainable solutions.\nBuild REST APIs, backend services, and responsive web applications.\nUtilize Java, Spring Boot, frontend frameworks, and Python where appropriate.\nApply data structures and programming techniques to solve technical challenges.\nContribute to AI-enabled capabilities and automation initiatives that improve customer outcomes.\nDesign & Architecture\nParticipate in technical design discussions and architectural reviews.\nApply established design patterns, engineering standards, and development best practices.\nSupport cloud-native, distributed, and microservices-based applications.\nAssist with integrating AI and machine learning capabilities into business solutions.\nQuality & Secure Engineering\nDevelop and maintain unit, functional, and integration tests.\nApply secure coding practices throughout the software development lifecycle.\nParticipate in code reviews to improve software quality and maintainability.\nSupport system, integration, and user acceptance testing activities.\nIdentify, troubleshoot, and resolve defects.\nPerformance & Operational Excellence\nAnalyze and improve application performance, reliability, and efficiency.\nSupport production incidents, root-cause analysis, and issue resolution.\nContribute to observability, monitoring, CI/CD automation, and operational readiness.\nContinuously improve supportability and operational stability.\nCollaboration\nPartner with Product Owners, Engineering, Architecture, and cross-functional stakeholders to deliver business value.\nParticipate in Agile planning, estimation, and delivery activities.\nWork effectively within globally distributed teams.\nDemonstrate initiative, accountability, and a continuous learning mindset.\nRemain current on emerging technologies and industry trends.\nRequired Qualifications\nBachelor's degree in Computer Science, Engineering, Information Technology, or a related field, or equivalent practical experience.\n3-6 years developing and supporting enterprise software solutions.\nProficiency in Java 8+ and Spring Framework, including Spring Boot.\nDemonstrated success building REST APIs and microservices-based solutions.\nWorking knowledge of React, Angular, or comparable frontend frameworks.\nKnowledge of Python for automation, data processing, or AI-related use cases.\nStrong understanding of software design principles, object-oriented programming, and distributed systems.\nAbility to create and execute unit, functional, and integration tests.\nUnderstanding of secure coding standards and code review practices.\nStrong troubleshooting, analytical, and problem-solving capabilities.\nProficiency in Oracle, SQL Server, or similar relational database technologies, including advanced SQL development.\nFamiliarity with CI/CD pipelines and tools such as Jenkins, Maven, Gradle, SonarQube, or similar technologies.\nExposure to AI-assisted development tools such as GitHub Copilot.\nUnderstanding of cloud-native architectures and microservices patterns.\nKnowledge of Agile software delivery methodologies.\nAbility to independently execute assigned work following onboarding and knowledge transfer.\nPreferred Qualifications\nFamiliarity with AWS, Azure, or GCP.\nKnowledge of Docker and Kubernetes.\nAbility to integrate AI/ML models, services, or APIs into business applications.\nHands-on use of Python for automation, AI, or machine learning initiatives.\nUnderstanding of observability and monitoring platforms.\nFamiliarity with IntelliJ IDEA, Visual Studio Code, Eclipse, STS, or similar development environments.\nExposure to analytics, reporting, business intelligence, or data-driven products.\nAI model development capabilities.\nSuccess Measures (First 12 Months)\nA successful Software Engineer II will:\nDeliver software features from design through production deployment.\nContribute to AI-powered capabilities that improve efficiency and customer outcomes.\nBuild secure, reliable, and maintainable solutions with low defect rates.\nApply strong engineering fundamentals across development, testing, troubleshooting, and operational support.\nImprove application performance, stability, and operational readiness.\nCollaborate effectively across product and engineering teams.\nDemonstrate growing ownership of assigned services, features, or application components.\n•Expand technical expertise across full-stack, cloud, data, and AI technologies.Mastercard 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  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.\nCorporate Security Responsibility\nAll activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:\nAbide by Mastercard’s security policies and practices;\n\nEnsure the confidentiality and integrity of the information being accessed;\n\nReport any suspected information security violation or breach, and\n\nComplete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.\n\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; 401k 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.\n\nTHIS POSTING RELECTS ONE OR MORE CURRENT VACANCIES ON OUR TEAM, AND MASTERCARD INTENDS TO FILL THIS POSITION BY 01/11/2027. If the fill date has passed, Mastercard intends to fill this position as soon as possible.\n\nPay Ranges\nO'Fallon, Missouri: $92,000 - $147,000 USD","description_format":"text","description_chars":8850,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["401k plan","Continuous learning","Life insurance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Cards & Card Issuing","Payment Processing & Gateways"],"lifecycle":[{"event":"open","at":"2026-10-13T22:42:05Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 110 · green card filings: 139","filings_12m":110,"filings_prev_12m":161,"green_card_filings_12m":139,"median_offered_wage_usd":137520,"route":null,"cap_exempt":false,"checked_at":"2026-10-03T21:08:04+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":36}],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":21,"reasons":["conf:3","win:early","comp:brand"],"computed_at":"2026-10-14T06:34:16Z"},"pay":{"stated_usd_annual":147000,"is_top_pay":false},"html_url":"https://alion.io/job/mastercard-software-engineer-ii-full-stack-ai","json_url":"https://alion.io/job/mastercard-software-engineer-ii-full-stack-ai.json","meta":{"generated_at":"2026-10-14T19:41:30Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":25896,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-15T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":252},"rest":"https://alion.io/mcp/rest/get_company?id=252"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmastercard-software-engineer-ii-full-stack-ai"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fmastercard-software-engineer-ii-full-stack-ai"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fmastercard-software-engineer-ii-full-stack-ai"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/mastercard-software-engineer-ii-full-stack-ai\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmastercard-software-engineer-ii-full-stack-ai"}]}