{"id":3423208,"url":"https://alion.io/job/westpac-nz-senior-software-engineer-2","title":"Senior Software Engineer","company":{"id":450143,"name":"Westpac NZ","domain":"westpac.co.nz","url":"https://alion.io/company/westpac-nz","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":100,"open_postings":4,"ghost_share":0,"stale_share":0,"repost_share":0.25,"time_to_fill_p50_days":14,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["New Zealand"],"countries":["NZ"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CICS","optional":false},{"name":"COBOL","optional":false},{"name":"IBM MQ","optional":false}],"status":"live","first_seen_at":"2026-10-28T21:33:34Z","employer_posted_date":"2026-10-28","last_verified_at":"2026-10-31T09:33:27Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Mō te tūranga | About the Role \nJoin our Cards & Consumer Finance Product Engineering team as a Senior Software Developer - IBM Mainframe, working on technology that supports the lifecycle of our cards and connects with key banking, card-processing and customer systems.\nYou’ll develop, maintain and enhance our IBM Mainframe applications, working across both batch and online processing and core banking platforms. This is a great opportunity to work on business-critical technology while helping us improve the reliability, resilience and maintainability of our cards ecosystem.\nDesign, develop, test and maintain IBM Mainframe applications and services.\nDevelop and support batch, online and system integration solutions.\nTroubleshoot production issues and identify opportunities for continuous improvement.\nContribute to testing, code reviews, releases and technical documentation.\nWork closely with engineers, product teams and other technology specialists to deliver secure and reliable solutions.\nParticipate in production and after-hours support when required.\nNā tāu rourou | What will you bring?\nStrong software development experience in mainframe or host-based environments.\nExperience with batch and online/real-time processing.\nExperience with IBM MQ or enterprise messaging and system integration.\nAt least 5 years experience with COBOL and CICS\nStrong database, analytical and problem-solving skills.\nExperience supporting business-critical production applications.\nAn understanding of secure development, operational resilience and risk.\nStrong communication skills and a collaborative approach to working across technology teams.\nExperience within banking, cards or payments would be highly advantageous.\nWestpac Hei Wāhi Mahi | Working at Westpac \nIn addition to immersing yourself in a supportive team environment, you'll receive some great job perks and benefits including:\n4 weeks standard holiday + 5 additional days of wellbeing leave to support you to be your best \nAdditional purchased leave options up to 4 weeks per year\nBanking benefits, insurance discounts and superannuation scheme \nGrowth and development - we provide opportunities for development and promote internal mobility \nRecognition - we recognise and reward our star performers\nSchool holiday subsidy - help you balance work and family during school holiday\n2 Volunteer days per year\nKo mātou tēnei | Our Organisation\nAt Westpac, we’re working together to build a fairer and stronger New Zealand for our people, customers, and communities. For over 160 years we’ve been driven by our purpose to Create Better Futures Together.\nWhat makes us unique are the incredible people we’re lucky enough to have walk through our doors every day. The giant ‘W’ on our building doesn’t just stand for Westpac - it says, double you. We’re a place that values, rewards and recognises individuality. Where you can be your whole self, your true self, and your best self. We’re recognised as a place where talent is developed, where passions are fuelled and where ambitions of all shapes and sizes thrive. And it all starts with you!\nTono mai ināianei! | Apply Now!\nApply today with your CV and Cover Letter.\nThe people of Aotearoa, New Zealand hail from many cultures and backgrounds. At Westpac New Zealand, we draw on this enormous talent pool to cultivate a team rich in ability and empowered to reach its full potential. Our aim is to be brave challengers, celebrating our differences and relentlessly advocating for our customers. It starts with us - we believe that when we care deeply and do our best for our people, they’ll do their best for our customers. We encourage people from all walks of life to apply, including those who are neurodivergent, have chronic health conditions or disabilities - your attitude and passion are as important to us as your experience, qualifications and capabilities.\nMahi tahi tātou, kaha ake tātou | Together Greater\nApplications close:\n11 November 2026","description_format":"text","description_chars":3969,"description_truncated":false,"requirements":{"experience_years_min":5,"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":["Commercial & Retail Banks"],"lifecycle":[{"event":"open","at":"2026-10-28T21:33:34Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":2,"expected_fill_days":14,"reasons":["conf:9","velocity","win:early"],"computed_at":"2026-10-31T05:58:55Z"},"pay":null,"html_url":"https://alion.io/job/westpac-nz-senior-software-engineer-2","json_url":"https://alion.io/job/westpac-nz-senior-software-engineer-2.json","meta":{"generated_at":"2026-10-31T14:03:39Z","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":21824,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"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":450143},"rest":"https://alion.io/mcp/rest/get_company?id=450143"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fwestpac-nz-senior-software-engineer-2"},{"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%2Fwestpac-nz-senior-software-engineer-2"},{"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%2Fwestpac-nz-senior-software-engineer-2"},{"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/westpac-nz-senior-software-engineer-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fwestpac-nz-senior-software-engineer-2"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3423208}},{"tool":"search_jobs","arguments":{"company":"westpac.co.nz","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3423208},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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