Backend Solution Designer | APIs & Data Systems (Hybrid) …, City of Sydney

Solution Designer (Backend)

- Initial 6-month contract (strong likelihood of extension)
- Sydney | Hybrid working
- Start: ASAP About our client:

Our client is a leading professional services and consulting organisation, delivering strategy, technology, systems integration and operations for clients across Government, Financial Services, Utilities and more.

About the role: We have an opportunity for a Solution Designer with robust backend engineering experience to support a major delivery program with one of Australia’s Big 4 banks. You’ll translate requirements into detailed component-level designs and provide hands-on technical leadership to help teams build secure, scalable solutions.

Key Responsibilities:

- Produce and own low-level design (LLD) / detailed technical design (DTD) at component level (APIs, UI components, databases and messaging integrations).
- Translate business and high-level requirements into clear, implementable designs.
- Design and integrate solutions across UI, backend services, SQL Server databases and Kafka-based messaging.
- Provide hands-on technical leadership, guiding engineers through design decisions and implementation.
- Participate in design and code reviews to ensure adherence to architecture, coding standards and performance requirements.
- Partner with project managers and stakeholders on technical estimation, planning and delivery.
- Ensure designs and delivered outcomes align with security, risk and compliance standards. Key Requirements

- Hands-on development experience in at least one backend language: Java or .NET (mandatory).
- Strong SQL Server experience, including data modelling, stored procedures, complex queries and performance tuning.
- Ability to work across the technology stack (e.g., ReactJS, AngularJS, Java, .NET, Node.js, relational databases and Kafka topics/listeners).
- Strong understanding of microservices, RESTful API design and event-driven architecture.
- Confident communicator who can explain designs, decisions and trade-offs to technical and non-technical stakeholders.
- Strong learning mindset and commitment to modern engineering practices and continuous improvement. What's on offer?

This is an initial 6-month contract with a strong likelihood of extension on a long-term program. The role is based in Sydney with a hybrid working arrangement.

How to Apply:

Please upload your resume to apply. Suitable candidates will be contacted with next steps, which may include responding to selection criteria.

Call Katrina Gabriel on or email for any further information.

Candidates must be willing to undergo pre-employment screening checks, which may include verification of ID and work rights, security clearance and other client-requested checks. #J-18808-Ljbffr Apply on Kit Job: kitjobau.com/job/3rscrc