{"id":4058915,"url":"https://alion.io/job/westpac-software-engineer-data-integration","title":"Software Engineer - Data & Integration","company":{"id":1766325,"name":"Westpac","domain":"westpac.com.au","url":"https://alion.io/company/westpac-com-au","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":{"grade":"A","score":100,"open_postings":3,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":14,"computed_at":"2026-11-11T05:49:22Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":null,"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":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"dbt","optional":false},{"name":"JavaScript","optional":false},{"name":"JUnit","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"Snowflake","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"Agile","optional":true},{"name":"Confluence","optional":true}],"status":"live","first_seen_at":"2026-11-11T05:45:55Z","employer_posted_date":"2026-11-11","last_verified_at":"2026-11-11T07:07:29Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Create your best future and join Westpac as a Software Engineer.\nWhat’s the role?\nThis role sits within Connected Markets in Westpac Financial Markets technology, helping deliver our 2030 strategy by strengthening enterprise capabilities and enabling interoperability across the Velocity CTT Train and Financial Markets. The FM Trade, Position & Analytics squad builds and supports the services that capture, enrich and distribute trade and position data, and the analytics built on top of it. You’ll work closely with the Velocity squad and own the CTT and FM interconnectivity, making sure trade events flow reliably between Financial Markets platforms and downstream consumers.\nThis role can be based in Sydney (preferred) on Warrane, Gadigal Country, or in Brisbane on Meanjin, Turrbal and Jagera Country, offered as a full time, permanent position with a hybrid way of working.\nWe’re looking for an Engineer who is hands on with building, enhancing and supporting Java services and data integrations, and who can logically reason through and debug issues across distributed systems.\nWhat do I need?\nEssential:\n4+ years’ software engineering experience, including 3+ years’ Python for data engineering, analytics or automation.\n3+ years’ SQL on relational databases or MongoDB including data modelling, indexing, performance tuning and supporting high-volume operational workloads.\n2+ years’ Kafka/Avro event-driven integration.\n2+ years’ automated testing (e.g. JUnit, Cucumber).\n1+ year React and modern JavaScript/TypeScript, building and supporting enterprise web applications and user interfaces.\n1+ year Snowflake/dbt/Snowpark, building data pipelines and analytical models.\nStrong troubleshooting and problem-solving skills, with clear and effective communication.\nDesirable:\n1+ years’ Java building and supporting enterprise services.\nPrior experience delivering solutions within Capital Markets.\nExposure to SecDevOps practices, including automated build and deployment pipelines, code scanning and secrets management.\nExperience using AI-assisted coding tools to improve development efficiency and code consistency.\nExperience working in Agile delivery environments, using tools such as JIRA and Confluence.\nWhy join us?\nWe’re obsessed with becoming our customers' #1 banking partner for life and we’re looking for people who are passionate about helping us achieve that goal. In return, we’re committed to making Westpac the best place to work in the country. Here are just a few of the ways we’re already doing that:\nSpecial offers on banking products and discounts from top brands, including generous employee-only mortgage rates!\nFlexible work arrangements to help you achieve a greater work/life balance, and a variety of leave options including Culture, Lifestyle and Wellbeing leave. \nTailored learning and development opportunities to help your grow your career within the bank. \nLots of opportunities to ‘give back’ to the Community by getting involved in our many volunteering initiatives.\nCreate your future today\nTo get started, simply click on the APPLY or APPLY NOW button\nWe’re all about creating a supportive and inclusive community. We welcome everyone - no matter your age, gender, background, or abilities. We also provide additional support to welcome our veterans, Indigenous Australians and neurodiverse community.\nIf you need any adjustments during the recruitment process, you can find more information and contact details on our FAQs and how to contact us page, under the ‘Diversity, sustainability and flexibility’ section.\nWe may close this job advertisement earlier than the advertised closing date if suitable candidates are identified. 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