Job Description
This range is provided by Intrinzic. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.
Base pay range
A$110.00/hr - A$140.00/hr
Direct message the job poster from Intrinzic
Co-Founder & Director at Intrinzic | DevOps / Cloud / SRE
$900-$1100/day (incl. super) + GST
Greenfield Trading Platform Build
Intrinzic are proud to partner exclusively with an exciting tech start-up in Sydney CBD, who are building out a trading platform from scratch. The company is backed with a wealth of experience in this sector and are looking for a Full-Stack Engineer on a 6-month contract, to compliment their Engineering Team that has quickly grown to 15.
About The Role
We are looking for a Full-Stack Engineer who understands the reasoning behind frameworks, not just how to use them. You will work across both the front-end and backend of the platform, building scalable, secure, and performant systems that power real-time financial applications.
You have solid experience in Node.js back-end development paired with strong front-end skills. You enjoy tackling complex product challenges and are confident shaping both architecture and user experience from the ground up.
In this role, you’ll work across our entire product suite—including payments, registration, trading, and internal tools—taking full ownership from system design through to delivery.
Build Tools:
Vite, Webpack
Back-End:
Node.js (Express or similar), REST APIs, GraphQL
Testing:
Playwright, Jest
Infrastructure:
AWS (Lambda, API Gateway, CodeBuild)
Key Responsibilities
Full-Stack Development: design, develop, and maintain scalable apps across front and back end
API Development - craft and optimize secure Node.js REST/GraphQL APIs and integrate with third-party services
Database Design - implement and fine-tune relational and NoSQL schemas for scale and performance
Front-End Development - build responsive, high-performance UIs for financial apps and tools
Tech Selection - recommend and implement technologies across the stack with scalability, security, and UX in mind
Collaborate & Lead - work cross-functionally, contribute to agile processes, and drive projects end-to-end
Core Projects
Payments Gateway:
secure APIs + React front-end for multi-vendor payments and account flows
Registration & Accounts:
end-to-end sign-up, login, KYC workflows & account dashboards
Back Office Tools:
internal apps for customer service, reconciliation & workflows
Key Experience
Deep React experience (plus comfort with other frameworks)
Database experience (PostgreSQL, DynamoDB, or similar)
Familiarity with build tools, testing frameworks & CI/CD pipelines
Experience with AWS (Lambda, API Gateway, RDS, S3)
Bonus: containerization (Docker) and microservices
If you’re an Engineer who embraces taking ownership, accountability and initiative to solve technical problems and produce high-quality work, in a fast-paced environment, this could be for you!
To submit your profile for consideration or for further information on this role, please click APPLY or email
adam@intrinzic.com.au
Seniority level
Seniority level Mid-Senior level
Employment type
Employment type Contract
Job function
Job function Information Technology and Engineering
Industries Staffing and Recruiting
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