{"id":191113,"url":"https://alion.io/job/mastercard-software-engineer-ii-integrations-api-connectivity","title":"Software Engineer II – Integrations & API Connectivity","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":87,"open_postings":185,"ghost_share":0.027,"stale_share":0.4,"repost_share":0.092,"time_to_fill_p50_days":26,"computed_at":"2026-10-25T05:49:26Z"}},"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":["Navi Mumbai, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Copilot","optional":false},{"name":".NET","optional":true},{"name":"Amazon S3","optional":true},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"C#","optional":true},{"name":"CI/CD","optional":true},{"name":"Java","optional":true},{"name":"PostgreSQL","optional":true},{"name":"Redis","optional":true},{"name":"Spring Boot","optional":true}],"status":"live","first_seen_at":"2026-09-02T14:51:05Z","employer_posted_date":"2026-09-02","last_verified_at":"2026-10-24T09:09:51Z","board_verified":true,"closed_at":null,"days_open":53,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":53},"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 - Integrations & API ConnectivityOverviewMastercard is a global technology company powering an inclusive, digital economy, enabling secure and seamless transactions across 210+ countries.\nThis role sits within Mastercard’s Open Finance Europe - Connectivity team, responsible for building and operating scalable API integrations with financial institutions across Europe.\nAs a Software Engineer II, you will be a hands-on engineer responsible for building, testing, and supporting secure, reliable backend services. You will contribute to the development of scalable solutions, collaborate with experienced engineers on system design and implementation, and help deliver high-quality software that operates in production environments.\nWhat You'll Do\nDevelop, test, and support scalable APIs and backend services\nContribute to the design and implementation of reliable, maintainable software solutions\nDeliver high-quality code throughout the software development lifecycle\nTroubleshoot and resolve application and production issues under guidance from senior team members\nParticipate in code reviews and follow established engineering best practices and standards\nImplement and maintain unit, integration, and end-to-end tests\nCollaborate with cross-functional teams including Product, Architecture, Security, and SRE\nSupport efforts to improve observability, automation, and operational efficiency across services\nContinuously learn and apply new technologies, tools, and engineering practices\nTechnology Stack\nBackend: C#, .NET, Web APIs\nCloud: Azure (App Services, KeyVault, Blob Storage), AWS (S3, Redis, Microservices)\nData: PostgreSQL, Flyway\nPractices: CI/CD pipelines, observability, secure development\nPlus: Java / Spring Boot, AI-assisted tools (e.g., GitHub Copilot)\nWhat You Bring - Required\n2-4 years of professional software engineering experience\nExperience developing backend applications and APIs using modern programming frameworks\nFamiliarity with cloud platforms and distributed systems concepts\nUnderstanding of software development lifecycle (SDLC), testing practices, and secure coding principles\nAbility to analyze and solve technical problems with guidance from senior engineers when needed\nExperience delivering software components and features in a collaborative team environment\nStrong communication and teamwork skills\nCommitment to learning, continuous improvement, and engineering excellence\nPreferred\nExperience in payments, banking, or Open Banking (PSD2) environments\nExposure to microservices-based architectures\nFamiliarity with monitoring, observability, and production support practices\n• Experience using AI-assisted development tools (e.g., GitHub Copilot)\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.","description_format":"text","description_chars":3841,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Cards & Card Issuing","Payment Processing & Gateways"],"lifecycle":[{"event":"open","at":"2026-09-02T14:51:05Z"}],"visa":[],"liveness":{"score":17,"band":"cold","label":"Long shot","p_open":1,"p_active":0.615,"p_room":0.28,"age_days":52,"expected_fill_days":26,"reasons":["conf:20","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-25T05:49:26Z"},"pay":null,"html_url":"https://alion.io/job/mastercard-software-engineer-ii-integrations-api-connectivity","json_url":"https://alion.io/job/mastercard-software-engineer-ii-integrations-api-connectivity.json","meta":{"generated_at":"2026-10-25T17:47:53Z","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":25433,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-26T00:00:00Z"}},"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-integrations-api-connectivity"},{"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-integrations-api-connectivity"},{"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-integrations-api-connectivity"},{"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-integrations-api-connectivity\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmastercard-software-engineer-ii-integrations-api-connectivity"}]}