{"id":3131446,"url":"https://alion.io/job/carsales-senior-software-engineer-3","title":"Senior Software Engineer","company":{"id":373,"name":"Carsales","domain":"carsales.com.au","url":"https://alion.io/company/carsales","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":true,"listed_via":null,"ats_vendor":"SmartRecruiters","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":["Melbourne, Australia"],"countries":["AU"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":82000,"max_usd":176000,"period":"year","method":"role_seniority_country_cell","sample_n":9},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"AWS","optional":false},{"name":"C#","optional":false},{"name":"DynamoDB","optional":false},{"name":"PostgreSQL","optional":false},{"name":"SQL","optional":false},{"name":"Angular","optional":true},{"name":"JavaScript","optional":true},{"name":"Machine Learning","optional":true},{"name":"RabbitMQ","optional":true},{"name":"React.js","optional":true},{"name":"Svelte","optional":true},{"name":"TypeScript","optional":true},{"name":"Vue.js","optional":true}],"status":"live","first_seen_at":"2026-10-23T02:20:27Z","employer_posted_date":"2026-10-23","last_verified_at":"2026-10-29T06:27:25Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"Are you ready to be a big part of something big?\nAt carsales, we’re all about making buying and selling a great experience. Since 1997, we’ve been evolving with the new economy to help people choose how they move today and tomorrow.\nWhen it comes to your career, we want to offer meaningful opportunities that empower you to make a lasting impact. But for that to happen, we strive to feel small - small enough to stay agile, learn across teams, and connect authentically with each other.\nWith a vision to be the global leader in online vehicle marketplaces, we’re transforming how people buy and sell across the world. We discover new ideas and bring them to life. We continue to grow, and we continue to evolve- and we’re not afraid to take bold steps to get there.\nA career in Core Services at carsales means working on the critical backend platforms and services that connect our Consumer and Dealer segments, enabling key customer and commercial journeys across the carsales ecosystem. The team owns and evolves a range of business-critical services responsible for areas such as listing and inventory flows, payments, data exchange, and integrations between platforms. Given the breadth and criticality of these assets, the role requires strong technical capability alongside significant collaboration across multiple engineering teams, product areas, and business domains. Core Services plays a key role in ensuring these connections remain scalable, resilient, and reliable while enabling teams across carsales to deliver new capabilities and customer experiences.\nWe embrace hybrid working combining the flexibility of remote work with the energy and connection of in-person collaboration. We champion flexibility and offer a range of policies and leave options to support your wellbeing.\nWhat’s on offer:\nA place where you can move your career forward, where you’ll be continuously backed to make new ideas happen, and the chance to do work that makes real, significant impact in the world. \nWe’re proud to be recognised as one of Australia’s Best Workplaces™ by Great Place to Work®, a Family Friendly Workplace, a WORK180 endorsed employer for women.\nThe support of a highly engaged, high-performing team including a leadership team that’s you’ll actually have face time with. \n24 weeks paid parental leave for primary caregivers, four weeks paid secondary caregivers leave, six weeks paid gender transition leave\n What you’ll be doing\nUse your expertise in modern agile practices to plan, build and support great software that delivers quality at scale, automating wherever possible\nWork with the team to drive the technical implementation of complex projects\nOwn the whole lifecycle of our services: write and ship them to production, run them, and act as first responder when they break\nShape requirements with product managers, looking beyond what's on the card to find the real business value\nBe involved in all aspects of software engineering practice, including breaking down work, code review, testing, source control and build processes\nMentor and coach a team of engineers, giving constructive feedback and keeping standards and best practices high so the whole team's output lifts\nBuild mutual respect and trust with product managers, engineers, researchers and designers, and help shape team culture by sharing your knowledge and ideas\nIn your first 6 to 12 months, you’ll\nEvolve the listing and inventory flows that connect our Consumer and Dealer marketplaces, keeping them scalable and reliable\nStrengthen the supporting services behind key customer and commercial journeys, and own them in production\nLift the resilience of our data exchange services, working across multiple engineering and product teams\n What we’re looking for\nStrong C#/.NET back-end engineering: Core Services is about 95% back end\nCloud build-and-run experience: you've shipped to the cloud and operated what you built, including being first responder when it broke, ideally on AWS\nEnd-to-end ownership: you work across the whole software development lifecycle, shape requirements and find the business value, not just what's on the card\nAdaptable fast learner: a varied background that shows you pick up new technology and adapt to changing needs\nSolid SQL and data storage skills across relational and non-relational databases (e.g. Postgres, DynamoDB)\nA passion for continuous improvement and best practice in engineering - Inclusive, interpersonal attributes that connect to our behaviours: Customer Obsessed, Curious and Connected\nNice to have\nWeb technologies (HTML, CSS, JavaScript/TypeScript) and a front-end framework such as React, Angular, Vue or Svelte\nMachine Learning or AI experience, whether building systems that use AI or using AI day to day\nEvent-based systems using queues (RabbitMQ, SNS+SQS, PubSub)\nWe know not everyone will meet every requirement, and that’s okay. If you’re excited about the role and believe you can make a difference, we’d love to hear from you.\n A few other things we want you to know...\nAs an equal opportunity employer, carsales welcomes applications from individuals of all backgrounds, identities, abilities, and life experiences. We are committed to fostering a diverse and inclusive workplace where everyone feels valued and supported.\nIf you have a disability or require adjustments to participate fully in the recruitment process, please let us know - we’re here to support you.\nWe understand the importance of work-life balance and offer flexible working arrangements, including part-time options. If you’d like to explore this, just ask during the process.\nWe’re also a proud Circle Back Initiative employer, which means we commit to responding to every applicant.\nSuccessful candidates joining the carsales team will need to complete a National Police Record check and must have full-time Australian working rights.\nSo come and join our team - because every role is a big role in our plans to go big.","description_format":"text","description_chars":5954,"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":[{"language":"English","level":"All levels","optional":false}]},"benefits":["Flexible schedule","Hybrid work","Parental leave"],"hiring_locations":[{"name":"Australia","iso":"AU","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Secondhand","Online Classifieds"],"lifecycle":[{"event":"open","at":"2026-10-23T03:51:16Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":6,"expected_fill_days":27,"reasons":["conf:3","win:early"],"computed_at":"2026-10-29T05:49:05Z"},"pay":null,"html_url":"https://alion.io/job/carsales-senior-software-engineer-3","json_url":"https://alion.io/job/carsales-senior-software-engineer-3.json","meta":{"generated_at":"2026-10-29T10:27:44Z","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":15880,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-30T00:00:00Z"}},"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":373},"rest":"https://alion.io/mcp/rest/get_company?id=373"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcarsales-senior-software-engineer-3"},{"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%2Fcarsales-senior-software-engineer-3"},{"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%2Fcarsales-senior-software-engineer-3"},{"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/carsales-senior-software-engineer-3\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcarsales-senior-software-engineer-3"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3131446}},{"tool":"search_jobs","arguments":{"company":"carsales.com.au","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3131446},"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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