{"id":1310076,"url":"https://alion.io/job/constantinople-operating-company-pty-ltd-senior-software-engineer","title":"Senior Software Engineer","company":{"id":2249055,"name":"Constantinople Operating Company Pty Ltd","domain":"cxnpl.com","url":"https://alion.io/company/cxnpl","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Sydney, Australia"],"countries":["AU"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":79000,"max_usd":170000,"period":"year","method":"role_seniority_country_cell","sample_n":9},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"API Gateway","optional":false},{"name":"AWS","optional":false},{"name":"AWS Lambda","optional":false},{"name":"DynamoDB","optional":false},{"name":"Node JS","optional":false},{"name":"React Native","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true},{"name":"React.js","optional":true}],"status":"live","first_seen_at":"2026-04-23T00:50:41Z","employer_posted_date":"2026-04-23","last_verified_at":"2026-10-25T04:20:31Z","board_verified":true,"closed_at":null,"days_open":185,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":185},"description":"The Role\nAs a Senior Software Engineer at Constantinople, you will be a key technical leader in the engineering team - someone who takes pride in writing excellent code and equally in the systems, culture, and people around it. You will design, develop, and deliver complex software solutions that form the foundation of our banking platform, working closely with cross-functional teams to build software that sets new industry standards for reliability, scalability, and security.\nThis is a high-impact role for someone who wants to shape how AI-native banking infrastructure is built - at a company where engineering quality is a competitive advantage.\nWhat You'll Do\nDesign and build critical features across Constantinople's core platform, taking end-to-end ownership from architecture through to production\nDrive and deliver architectural improvements across projects, raising the engineering bar for the team\nCollaborate with product, design, and data teams to solve complex technical challenges with pragmatic, well-considered solutions\nContribute to cross-team engineering initiatives and help establish best practices across the organisation\nImprove internal tooling to enable data-driven analysis and reporting for the wider Constantinople team\nSupport a secure, performant, and highly reliable platform - and take shared responsibility for keeping it that way\nMentor and support fellow engineers, sharing knowledge and helping the team grow\nWho You Are\nYou have 5+ years of professional software engineering experience, with a track record of owning significant systems in production\nYou have deep understanding of software design principles and scalable systems architecture\nYou have hands-on experience with Node.js and TypeScript in production environments\nYou are comfortable working across the stack - familiarity with React or React Native is a strong plus\nYou have experience with serverless AWS architectures (Lambda, API Gateway, DynamoDB, etc.) - this is highly desirable\nExposure to Domain-Driven Design or event-driven architectures is a bonus\nYou bring a collaborative mindset: you know when to lead, when to listen, and how to bring others along\nYou have experience or interest in fintech, banking, or regulated environments - though this isn't a hard requirement\nWhy Constantinople\nWork on genuinely hard problems at the intersection of AI and financial services\nJoin a team that takes engineering craft seriously - we build for the long term\nSignificant scope for ownership and leadership in a high-growth environment\nCompetitive salary and equity - including participation in our Employee Share Option Plan (ESOP), giving you a real stake in the company's growth.","description_format":"text","description_chars":2691,"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":["Equity"],"hiring_locations":[{"name":"Australia","iso":"AU","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Financial Services","Financial Software & Embedded Finance"],"lifecycle":[{"event":"open","at":"2026-09-26T15:31:00Z"}],"visa":[],"liveness":{"score":6,"band":"cold","label":"Long shot","p_open":1,"p_active":0.209,"p_room":0.28,"age_days":185,"expected_fill_days":27,"reasons":["conf:1","velocity","win:tail","crowd:"],"computed_at":"2026-10-25T05:49:26Z"},"pay":null,"html_url":"https://alion.io/job/constantinople-operating-company-pty-ltd-senior-software-engineer","json_url":"https://alion.io/job/constantinople-operating-company-pty-ltd-senior-software-engineer.json","meta":{"generated_at":"2026-10-25T06:50:32Z","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":9603,"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":2249055},"rest":"https://alion.io/mcp/rest/get_company?id=2249055"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fconstantinople-operating-company-pty-ltd-senior-software-engineer"},{"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%2Fconstantinople-operating-company-pty-ltd-senior-software-engineer"},{"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%2Fconstantinople-operating-company-pty-ltd-senior-software-engineer"},{"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/constantinople-operating-company-pty-ltd-senior-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fconstantinople-operating-company-pty-ltd-senior-software-engineer"}]}