senior backend engineer jobs in Sydney, NSW

Join a forward-thinking company as a Senior Software Engineer, where you'll contribute to exciting projects that transform financial market interactions. With a focus on backend development using C# and .NET, you'll tackle complex challenges while collaborating with a team of experienced engineers. Enjoy a vibrant workplace culture that promotes continuous learning, offers unique perks, and...

At Blinq, we believe the first interaction can spark opportunities that last a lifetime. That’s why we built the world’s #1 digital business card - an instant, intuitive way to exchange details - and that success has won our wedge into something bigger. Next, we’re building on that momentum to reshape how professionals stay connected – not just in the moment, but long after. In a world where...

Senior Backend Software Engineer (Java), B2B Data Infrastructure Team (Open to remote across ANZ) - Full-time - Recruitment type: Permanent Join the team redefining how the world experiences design. Hey, g'day, mabuhay, kia ora, 你好, hallo, vítejte! Thanks for stopping by. We know job hunting can be a little time-consuming, and you're probably keen to find out what's on offer, so we'll get...

About Okendo We believe happy customers make the best marketers. That’s why we built Okendo – the customer marketing platform that creates stronger connections between consumers and the brands they love. Using Okendo, Shopify brands can grow faster and more efficiently by cultivating brand advocacy and maximizing lifetime value. Our unified platform and unique suite of products for Reviews,...

About Us Founded in the Queensland outback in 1920, Qantas has grown to be Australia’s largest regional, domestic, and international airline. The Qantas Group’s main business is the transportation of customers and freight using two complementary airline brands — Qantas and Jetstar — operating regional, domestic, and international services. Job Description Qantas Loyalty is a high performing...

Overview Join the leader in entertainment innovation. Dolby blends science and art to design the future of entertainment—from movie theaters to smartphones. OptiView is Dolby's cloud-based streaming solutions division focused on revolutionising premium real-time video experiences across live sports, interactive gaming, and entertainment. You will be part of a dynamic team that combines startup...

A leading defense tech company in Sydney is seeking a Senior Backend Engineer to join their Data Engineering team. You will focus on creating and maintaining robust APIs and data pipelines that support machine learning and AI applications. Ideal candidates have 5–7 years of backend development experience, proficiency in Python or Go, and a collaborative mindset. This full-time position offers a...

A leading Australian tech company is seeking a Senior Java Engineer to work on complex backend systems that impact major industries. This role offers flexibility, competitive pay up to $160K + super, and the opportunity for career advancement to Principal Engineer or Tech Lead. The ideal candidate will have over 5 years of Java experience and be comfortable mentoring others. Join a collaborative...

Join a forward-thinking company dedicated to transforming math education through innovative software solutions. As an engineer in a collaborative, cross-functional team, you will enhance Mathspace's web and mobile applications, impacting the learning journeys of students worldwide. This role offers the opportunity to tackle challenging problems creatively while working closely with product owners...

A dynamic technology firm is seeking an experienced Senior Full Stack Engineer to join its team in Sydney. This role involves designing scalable backend services using Python and AWS while collaborating with stakeholders to implement new features. Candidates should have over 6 years of experience with strong frontend skills in React and backend development in Django. This is a day rate contract...

A forward-thinking tech company in Sydney is seeking a Senior Software Engineer to join their Enterprise & Integrations Tribe. This role involves building and operating backend services, improving system reliability, and designing enterprise-grade solutions. Ideal candidates should have strong experience with Node.js, AWS, and be comfortable with complex systems. The company fosters an inclusive...

A tech-driven company in Australia is on the lookout for a Senior Software Engineer to enhance their backend systems. The role focuses on designing enterprise-grade services that maintain high reliability and compliance for enterprise clients. The ideal candidate possesses strong experience in backend service management, particularly with Node.js and AWS. Enjoy a flexible work environment,...

A growing SaaS company in Australia is seeking a Senior Software Engineer focused on Backend Architecture, Infrastructure, and DevOps. You will oversee cloud infrastructure and API development, ensuring scalability and security. Candidates should have strong experience in Python, Django, Linux administration, and cloud resource management. This role offers a competitive salary, stability, and the...

A leading design technology company based in Australia is seeking a Senior Backend Engineer to enhance its Canva AI platform. You will take charge of developing a robust backend architecture that supports seamless integrations and high performance for millions of users worldwide. The ideal candidate will have a strong bias for action, exceptional ownership skills, and a proactive mindset in...

A leading global technology company is seeking a Senior Backend Engineer for their Data Services team in Australia. You will build and optimize high-throughput backend systems to manage one of the largest datasets on the Internet. Ideal candidates should have experience in OO programming (C#/Java/C++), cloud platforms, and agile methodologies. The position includes opportunities for training and...

A leading payment processing firm in Sydney is seeking a Senior Software Engineer to join their Financial Operations team. This role involves designing and maintaining backend services for the payment flow, focusing on security and reliability. The ideal candidate has over 5 years of experience and proficiency in Ruby, Ruby on Rails, or similar technologies. The position offers flexible hybrid...

About Us LEAP CRM is a memberof theATIgroup of companies - the leading provider of Legal Practice Management Solutions in the world. Over a 30-year period we've expanded across Australia, Canada, the United States, the United Kingdom, the Republic of Ireland, Poland and New Zealand and support more than 70,000 lawyers and their staff in small and medium sized law firms. We owe our success to our...

About Us AI Paralegal - Zero-Config CRM is a member of the ATI group of companies - the leading provider of Legal Practice Management Solutions in the world. Over a 30-year period we've expanded across Australia, Canada, the United States, the United Kingdom, the Republic of Ireland, Poland and New Zealand and support more than 70,000 lawyers and their staff in small and medium sized law firms....

Location 📍: Sydney, AU, Hybrid (3 days in office required) About Us 🚀 At Relevance AI, we’re building the home of the AI workforce. Our mission is simple: empower every team to delegate meaningful work to AI agents that think, act, and collaborate like experts. With Relevance AI, anyone can create and manage intelligent agents that handle workflows, decisions, and collaboration - all within...

Mathspace is on a mission to change maths education by helping students and teachers with smarter, interactive learning software. We’re an agile run, product-oriented company that focuses on delivering value through continual customer feedback, enabling students and teachers to have a delightful experience through learning mathematics. As an engineer working on a cross-functional product team,...