Backend developer jobs in Sydney

 ...field. Join us in shaping the future of gaming. Are you ready to LEVEL-UP THE GAME? Job Description Key Responsibilities ~Design, develop, and maintain RESTful APIs and microservices using C# and .NET ~Enhance and optimize existing systems for performance and... 

 ...throughput and scalability ~Adhering to engineering principles What You Will Do ~Backend Focused role that follows a flow based development approach where you will be responsible for developing entire flows from services to APIs to UIs ~Work in a cross-functional, product-... 

 ...start, but this will likely evolve. At the moment, this role is focused on: Building and scaling backend services supporting video AI infrastructure Developing robust APIs and pipelines for video model inference Optimising systems for latency, reliability, and... 

 ...exceptional, customisable solution for law firms. Use your 3 years+ in backend engineering -Node.js and TypeScript As the Backend Engineer...  ...— settlements, document processing, compliance checks Develop integrations with the leading property registries, banking systems... 

 ...scalable, cloud-native systems from user experience through to backend services. This role suits engineers who enjoy working across...  ...to modern architectural patterns and platform standards Develop and integrate RESTful APIs and backend services that support... 

 ...Software Engineer (Integration)to join our engineering team in Sydney. This role is perfect for a recent graduate or early‑career developer who’s excited to learn, contribute, and build confidence in real‑world engineering. You’ll work with Workato (iPaaS), REST APIs, and... 

 ...recently closed our funding round with one of Australia's largest funds, and we're looking for a talented and enthusiastic full stack developer to come join our team and help us grow FLAYR. A few things we'd like you to have: At least 3 years of work experience as a full... 

Full time (75 hours per fortnight) Hybrid work arrangements Be part of Beyond Bank-a bank that is for and with you . We are one of Australia's largest, 100% member owned mutual banks with a credit union heritage. With more than 300,000 members and more than 50 branches...

Escrow.com is the world’s largest and most trusted online escrow service. Buyers and sellers rely on us to hold their funds while multi-million-dollar deals are completed. Domain names, vehicles,, even entire businesses… you name it, we help people buy and sell it. Now...

 ...re on a mission to have this platform deployable anwhere. As a key player in our highly collaborative agile environment, you'll develop world-class products while mentoring team members and maintaining deep architectural understanding. You'll work closely with Engineering... 

 ...collection business. Responsibilities: Identify and understand business needs during requirements gathering to effectively design, develop, test, and deploy reports or applications Assess, provide solutions and resolve incident Propose technical solutions, new... 

 ...Full stack Developer What is it for you? 6 months with extension Contract Location – Sydney Competitive Remuneration What we need from you: Banking industry experience of Minimum 5 years. Relevant 8 years of working experience in developing application... 

 ...students’ passion for knowledge and innovation. Role Context: The Senior Full Stack Engineer sits at the intersection of data, backend engineering, and applied AI, supporting both our core tutoring platform and our recently launched AI product, called Cluey+ ( plus.clueylearning... 

 ...businesses. Freelancer.com is an Alexa top 1000 website with a cutting-edge frontend stack incorporating Angular, TypeScript and RxJS. Our backend powers a large suite of services running a modern global marketplace; messaging, payments, translations, file services and a... 

 ...understand customer pains Prototype and experiment to de-risk ideas early Help shape what we build, not just how 2\ Build & own Develop across our core platform: C# + Azure/GCP Own work from idea → scope → delivery → iteration Jump into API integrations,... 

 ...the-loop Verification Microsoft Word Contract Review Beyond modern web technologies, youʼll design and build cutting-edge AI backend systems, including agentic toolchains, RAG pipelines, and experimental enrichment and validation models that improve accuracy, traceability... 

The Role: We’re looking for a Senior Business Systems Developer to lead the design, development and ongoing improvement of mission‑critical applications supporting our Collections and Lending business. This is a senior, hands‑on role where your technical expertise, architectural... 

 ...priorities frontend expertise with the ability to contribute to backend tasks, ensuring seamless client-server integration. As a Fullstack...  ...or similar field ~4+ years of industry experience in developing web applications on the cloud ~ Strong written and verbal communication... 

 ..." quality. Industry Knowledge : Stay abreast of the latest developments in software systems  About You You'll thrive in this role...  ...in Typescript for frontend, Elixir/Phoenix/PostgreSQL for backend  ~ Bachelor’s degree or equivalent in Software Engineering or... 

 ...Security About the Role V2 Digital is seeking a Full-Stack Developer (Contractor) to join our growing engineering team. In this role,...  ...Strong full-stack development experience, including: Backend: Spring Boot (Kotlin or Java) Frontend: Next.js, TypeScript... 

 ...new technologies and enjoy working collaboratively, this role is for you! Responsibilities Work with cross-functional teams to develop and implement secure, scalable features that deliver an industry leading experience for our customers Take an active leadership role... 

Mid-Level Full Stack Developer (.NET)Your new companyYou'll be joining a growing, privately run organisation that develops and maintains its...  ...role working across a custom platform built with .NET on the backend and Angular on the frontend. You'll be part of a small development... 

Hi We're HealthMatch. We connect patients who need options and clinical trials that need patients - and we're growing the team that builds the product in the middle. Clinical trials struggle to find patients. Millions of patients don't know clinical trials are an ...

 ...continuous learning — because we know the best work happens when people are supported to thrive. The opportunity As a Full Stack Developer, you will play a key role in designing, building and maintaining high quality software solutions inclusive of complex integration... 

 ...Urgent requirement of   Senior .NET Full-stack Developer - Contract - Sydney Requirements Must Have: Expert in ASP.Net 4.5 with C# Expert in .Net core Expert in ASP.Net MVC 4 or higher Expert in WEB API 2 Expert in OOPs concepts Knowledge in Software...