In-Demand Core java Jobs in Sydney, Nsw

Client Full-Stack Engineer — IM Chat Platform, Android Focus
Binance —Sydney NSW
- Full-time
- Remote
- Management
- Computer Science
- Bachelor's degree
Quick Apply
Software Engineer Graduate (Multimedia Arch-Live) - 2027 Start (BS/MS)
TikTok —Sydney NSW
- Computer Science
- Master's degree
- Bachelor's degree
Lead Consultant
Infosys —Sydney NSW
- $192,845 - $208,038 a year
- Azure
- SQL
- AWS
- Health insurance
- Parental leave
7d
Staff Engineer
Cartology —Surry Hills NSW
- Full-time
- Hybrid work
- SQL
- Work from home
Principal Software Engineer – Backend Platforms & Service Domains
Commonwealth Bank —Sydney NSW
- Full-time
- AWS
- APIs
- AI
Senior Integration Developer
Tata Consultancy Services —Sydney NSW
- Azure
- Management
- Salesforce
Service Delivery Processing Specialist (Application Support Analyst)
ADP —North Sydney NSW
- Weekend availability
- Microsoft Word
- Microsoft Excel
- Customer service
- Annual leave
- Opportunities for advancement
8d
Applied Solutions Architect, Google Cloud
Google —Sydney NSW
- Full-time
- Presentation skills
- Bachelor's degree
- No degree
2d
Information Security Operations Lead (Sydney, Australia)
Starling —Sydney NSW
- Full-time
- Hybrid work
- AWS
- Communication skills
- Time management
- Annual leave
Quick Apply
Senior System Development Engineer, Core Networking (Relocation support available)
Amazon Support Services Pty Ltd —Sydney NSW
- Full-time
- Systems design
- AWS
- Software development
- Health insurance
- Employee assistance program
Solution Technology Lead
Entsia —Sydney NSW
- Software development
- Communication skills
Production Engineering Manager
Canva —Sydney NSW
- Full-time
- Hybrid work
- Management
- Systems design
- AWS
- Parental leave
Quick Apply
Senior Full Stack Engineer, App Runtime
Snowflake —Barangaroo NSW
- Full-time
- Azure
- Computer Science
- Engineering
Technology & AI Enabled Delivery Director
Orchard Marketing —Pyrmont NSW
- Full-time
- Hybrid work
- Education
- AI
- Leadership
- Employee assistance program
Quick Apply
9d
Director of Engineering | Wealth Management
Macquarie Group Limited —Sydney NSW
- Full-time
- Hybrid work
- Management
- Master's degree
- AWS
- Annual leave
- Work from home
6d
System Development Engineer, Network Core
Amazon Support Services Pty Ltd —Sydney NSW
- Full-time
- AWS
Principal Engineer - Payments
Macquarie Group Limited —Sydney NSW
- Full-time
- Hybrid work
- AWS
- AI
- Leadership
- Annual leave
- Work from home
Digital Configuration Sitecore Analyst
Link Group —Parramatta NSW
- Hybrid work
- Azure
- Organisational skills
- APIs
- Parental leave
- Employee assistance program
Senior Software Engineer - Java/React Fullstack
Objective Corporation —Sydney NSW
- Full-time
- Hybrid work
- Databases
- AWS
- APIs
Solutions Engineer
Cloudera —Sydney NSW
- Full-time
- Remote
- Customer service
- SQL
- Analysis skills
- Annual leave

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Client Full-Stack Engineer — IM Chat Platform, Android Focus

Binance -
Sydney NSW

Quick Apply

Job Details

Full-time

Qualifications

CI/CD
Kotlin
Management
Computer Science
Software Engineering
iOS development
Full-stack development
Encryption
Slack
Git
Bachelor's degree
SDKs
GitHub
APIs
Security
AI
gRPC
Android development
Communication skills

Full Job Description

Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by 300+ million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world.

Responsibilities

Design, develop, and maintain client-side applications for an instant messaging platform, with Android as the primary focus
Build core messaging features: real-time chat, group chat, media messaging, message sync, offline messaging, push notifications
Participate in client-side architecture design, ensuring consistent UX across Android, iOS, and Web
Use AI-powered tools (Cursor, GitHub Copilot, ChatGPT, Claude, etc.) to support cross-stack frontend development — read, debug, and modify iOS/Web codebases
Integrate RESTful APIs and WebSocket/MQTT/gRPC real-time communication protocols
Handle local storage, offline-first experience, message state management, and cross-platform sync logic
Optimize client performance: startup speed, memory, battery, network efficiency, UI responsiveness
Collaborate with backend teams on API design, integration, and production issue investigation
Senior level: mentor junior engineers, contribute to technical design decisions

Requirements

Bachelor's degree in Computer Science, Software Engineering, or a related discipline
Engineer: 1-3+ years of experience; Senior Engineer: 3-5+ years
Solid production experience in Android development (Kotlin and/or Java)
Good understanding of Android SDK, Jetpack components, asynchronous programming, and modern client-side architecture
Required: ability to use AI-powered development tools (Cursor, GitHub Copilot, ChatGPT, Claude, or similar) for cross-stack frontend development
Able to read, understand, debug, and make reasonable changes in iOS or Web codebases with AI tool support
Familiarity with WebSocket, MQTT, gRPC, or similar real-time communication protocols
Understanding of messaging concepts: message delivery, read status, sync, local persistence, offline support, push notifications
Good understanding of client-side performance optimization, memory management, multithreading, and security best practices
Familiar with Git, CI/CD pipelines, automated testing, and Agile processes
Strong debugging, problem-solving, ownership, and communication skills

Preferred Qualifications

Experience building IM products or communication platforms (WhatsApp, Telegram, WeChat, Discord, Slack, Messenger, etc.)
iOS development experience (Swift, SwiftUI, Objective-C)
Web frontend experience (TypeScript, React, Vue, Next.js)
Cross-platform client or mobile full-stack development experience
End-to-end encryption, message security, or cryptographic protocols experience
Voice/video calling or RTC technologies experience
Large-scale distributed messaging infrastructure experience
Fintech, payments, or Web3 applications experience
Open-source contributions or published apps on Google Play/App Store

Why Binance

Shape the future with the world’s leading blockchain ecosystem
Collaborate with world-class talent in a user-centric global organization with a flat structure
Tackle unique, fast-paced projects with autonomy in an innovative environment
Thrive in a results-driven workplace with opportunities for career growth and continuous learning
Competitive salary and company benefits
Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team)

Binance is committed to being an equal opportunity employer. We believe that having a diverse workforce is fundamental to our success.

By submitting a job application, you confirm that you have read and agree to our Candidate Privacy Notice.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Quick Apply

Refine Your Search

core java jobs in sydney, nsw

Client Full-Stack Engineer — IM Chat Platform, Android Focus

Software Engineer Graduate (Multimedia Arch-Live) - 2027 Start (BS/MS)

Lead Consultant

Staff Engineer

Principal Software Engineer – Backend Platforms & Service Domains

Senior Integration Developer

Service Delivery Processing Specialist (Application Support Analyst)

Applied Solutions Architect, Google Cloud

Information Security Operations Lead (Sydney, Australia)

Senior System Development Engineer, Core Networking (Relocation support available)

Solution Technology Lead

Production Engineering Manager

Senior Full Stack Engineer, App Runtime

Technology & AI Enabled Delivery Director

Director of Engineering | Wealth Management

System Development Engineer, Network Core

Principal Engineer - Payments

Digital Configuration Sitecore Analyst

Senior Software Engineer - Java/React Fullstack

Solutions Engineer

I want to receive the latest job alert for core java in sydney, nsw

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