{"id":2017091,"url":"https://alion.io/job/mastercard-principal-software-engineer-15","title":"Principal Software Engineer","company":{"id":1771309,"name":"Mastercard","domain":"mastercard.co.uk","url":"https://alion.io/company/mastercard-co-uk","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Welcome to the Jungle","truth_index":{"grade":"B","score":75,"open_postings":10,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":27,"computed_at":"2026-10-08T05:49:30Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Ireland"],"countries":["IE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":72000,"max_usd":198000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":1532},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Java","optional":false},{"name":"PKI","optional":false},{"name":"Spring Framework","optional":false}],"status":"live","first_seen_at":"2026-05-24T00:06:26Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-08T22:12:06Z","board_verified":true,"closed_at":null,"days_open":138,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":137},"description":"Join Mastercard's Virtual Card Management team as a Principal Software Engineer. In this pivotal role, you will lead the architecture for our critical virtual card platform, driving engineering excellence and fostering a culture of innovation. You will collaborate with product teams, ensure solutions meet corporate security standards, and drive a culture of engineering excellence. This is an exciting opportunity to work with a global team and make a significant impact on our customers.\nMissions\nAlign architecture and engineering strategy with business goals, mentor high-performing teams, and ensure the successful delivery of complex software solutions.\nDrive collaboration across engineering, product management, enterprise functions, and regional business teams, and lead by defining the technical strategy, architecture, design, and execution.\nLead the architecture & design of software systems and applications, collaborate with product teams to understand the requirements, identify solutions, and provide technical thought leadership.\nProfil recherché\n - Your solutions are secure by design- You love declarative paradigm and functional programming. You focus on continuous improvement\n- You have working experience across a variety of languages and frameworks\n- You build great relationships with technical peers across your organization\n- Broad experience as a Software Engineer / Full Stack Developer\n- Good working knowledge of cryptography functions and PKI infrastructure\n- In depth knowledge of Java, Spring framework, persistence and messaging technologies, and testing methodologies and tools\n- Hands on experience implementing design patterns and using multiple programming languages\n- In depth knowledge of Public Cloud platforms, containers and container orchestration\n- Experience building and operating scalable global platforms with high throughput with 5 9’s availability\n- Must be high-energy, detail-oriented and proactive with the ability to function under pressure in an independent environment\n- Drives outcomes through strong commitment to timely delivery of key objectives\n- Must have expert level knowledge of software development processes and be an experienced user of one or more Application Lifecycle Management tools\n- Have strong decision-making skills, lead retrospection and continually improve as a result\n- Hands-on technical leader who consistently demonstrates leadership, builds trust, focuses on talent development and inspires the team\n- Have a passion for continuous learning and enjoy challenging opportunities\n- Strong communication skills - both verbal and written - with strong relationship building, collaborative skills and organizational skills","description_format":"text","description_chars":2704,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Continuous learning"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Cybersecurity","Financial Services"],"lifecycle":[{"event":"open","at":"2026-10-07T13:10:12Z"}],"visa":[],"liveness":{"score":7,"band":"cold","label":"Long shot","p_open":1,"p_active":0.251,"p_room":0.28,"age_days":137,"expected_fill_days":27,"reasons":["conf:0","stale_co","wave","win:tail","crowd:brand"],"computed_at":"2026-10-08T05:49:30Z"},"pay":null,"html_url":"https://alion.io/job/mastercard-principal-software-engineer-15","json_url":"https://alion.io/job/mastercard-principal-software-engineer-15.json","meta":{"generated_at":"2026-10-09T00:36:35Z","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","counted_by":"address","units_charged":1,"used_today":828,"day_limit":5000,"remaining_today":4172,"minute_limit":60,"resets_at":"2026-10-10T00:00:00Z"}},"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":1771309},"rest":"https://alion.io/mcp/rest/get_company?id=1771309"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmastercard-principal-software-engineer-15"},{"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-principal-software-engineer-15"},{"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-principal-software-engineer-15"},{"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-principal-software-engineer-15\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmastercard-principal-software-engineer-15"}]}