In-Demand Backend developer Jobs in Nsw

Blockchain Developer
DIFIEX —Bella Vista NSW
- $70,735.16 - $154,752.35 a year
- Full-time
- Hybrid work
- SQL
- AWS
- APIs
- Profit sharing
- Work from home
Quick Apply
IT Integrations Solutions Developer | Sydney HQ
Honey Birdette —Sydney NSW
- $110,000 - $115,000 a year
- Hybrid work
- Azure
- Master's degree
- SQL
- Parental leave
- Gym membership
Binance Accelerator Program - Fullstack Developer (Internal Applications)
Binance —Sydney NSW
- Remote
- Databases
- AI
Quick Apply
2d
Full Stack Software Engineer - Agentic AI
NinjaTech AI —Sydney NSW
- $160,000 - $190,000 a year
- Full-time
- Computer Science
- AWS
- Bachelor's degree
- Health insurance
- Annual leave
Frontend Developers
Pyramid Global Technologies —Sydney NSW
- Management
- Engineering
- APIs
Associate Engineering Team Lead (C/C++ to Rust), Trading Technologies
Binance —Sydney NSW
- Full-time
- Remote
- Computer Science
- Engineering
- Databases
Quick Apply
9d
Senior QA Engineer
BeauFaux Works Webtech —Central Coast NSW
- $5,774.56 - $7,918.15 a month
- Full-time
- Management
- Computer Science
- Engineering
- Health insurance
- Life insurance
Quick Apply
Senior Developer
Infomedia —Sydney NSW
- Computer Science
- AWS
- Bachelor's degree
Quick Apply
Senior Java Developer
NASDAQ —Sydney NSW
- Full-time
- Hybrid work
- Azure
- Computer Science
- Engineering
- Employee stock purchase plan
- Health insurance
Senior Golang Developer (Cloud Native)
Binance —Sydney NSW
- Full-time
- Remote
- Azure
- Databases
- AWS
- Work from home
Quick Apply
Staff Software Engineer
Relevance AI —Sydney NSW
- Full-time
- Hybrid work
- AWS
- APIs
- AI
- Parental leave
- Employee assistance program
Staff Front-End Engineer - Telemetry
Canva —Sydney NSW
- Full-time
- Hybrid work
- University
- APIs
- AI
- Parental leave
Quick Apply
Senior Engineer (OAuth2)
CoStar Group —Sydney NSW
- Full-time
- Azure
- Management
- SQL
Software Engineer (.NET/React)
Corto Pty Ltd —Sydney NSW
- Hybrid work
- AWS
- APIs
- AI
- Gym membership
Quick Apply
Staff Software Engineer, Doshii
Commonwealth Bank —Sydney NSW
- Full-time
- Hybrid work
- Hospitality
- AWS
- POS
- Parental leave
7d
Technical Analyst
FlexTrade —Sydney NSW
- Weekend availability
- Engineering
- SQL
- Bachelor's degree
Quick Apply
Android Engineer
Luxury Escapes —Sydney NSW
- Full-time
- APIs
- AI
- Free food
Quick Apply
Solution Designer
Pyramid Global Technologies —New South Wales
Senior Software Engineer, Internal Applications (AI Agent)
Binance —Sydney NSW
- Full-time
- Remote
- Databases
- AI
Quick Apply
Senior Technical Support Engineer (Integrations)
FloQast —Sydney NSW
- Full-time
- Bilingual
- Salesforce
- APIs
11d

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Blockchain Developer

DIFIEX
Bella Vista NSW

Quick Apply

Job Details

Permanent | Subcontract | Full-time | Contract | Internship
$70,735.16 - $154,752.35 a year

Benefits

Profit sharing
Work from home
Parental leave
Maternity leave
Referral program

Qualifications

Authentication
Cloud infrastructure
Go
Full-stack development
SQL
AWS
Docker
Digital marketing
PostgreSQL
Back-end development
APIs
Security
Scalability
Communication skills

Full Job Description

Job Opening — Full Stack Blockchain Developer DIFIEX

Location

Sydney, Australia (Remote / Hybrid Available)

Employment Type

Full-Time / Contract/Co-founder/CTO

About DIFIEX

DIFIEX is building a next-generation digital finance ecosystem combining:

Crypto Exchange (CEX)
Token Launchpad
DeFi Products
Blockchain Payment Infrastructure
Staking & Governance Systems
Global Digital Asset Services

Our vision is to create a scalable and compliant financial ecosystem that bridges traditional finance and blockchain technology through innovative products including DFX Token, Crypto backed loan, launchpad infrastructure, and future institutional-grade exchange services.

Position Overview

We are seeking an experienced Full Stack Blockchain Developer to help build and scale the DIFIEX ecosystem from Phase 1 token infrastructure through to future exchange and financial products.

The ideal candidate should have strong experience in:

Blockchain development
Smart contracts
Web3 integrations
Backend APIs
Crypto platform architecture
Fintech-grade security

This role will work directly on:

DFX Token ecosystem
Launchpad platform
Wallet integrations
User dashboards
Staking systems
Admin systems
Exchange infrastructure
DeFi integrations

Key Responsibilities Blockchain & Smart Contract Development

Develop and deploy secure smart contracts on BNB Smart Chain (BSC) and EVM-compatible networks
Build BEP-20/ERC-20 token contracts
Develop staking, vesting, liquidity pool, governance, and launchpad smart contracts
Conduct smart contract testing and optimization
Work with third-party audit firms to ensure security compliance

Backend Development

Build scalable APIs and backend systems for:
User authentication
Wallet systems
Transaction management
KYC/AML workflows
Referral systems
Loan and financial product integrations
Integrate blockchain nodes and Web3 infrastructure
Develop secure payment and transaction systems

Frontend Development

Develop responsive crypto dashboards and Web3 applications
Build launchpad interfaces, admin panels, and trading dashboards
Integrate wallet connectivity (MetaMask, Trust Wallet, WalletConnect)
Optimize UI/UX performance across desktop and mobile platforms

Exchange & Financial Infrastructure

Assist in development of centralized exchange architecture
Support order management and liquidity integrations
Participate in future DIFILOAN financial infrastructure development
Build scalable microservices for trading and financial operations

Security & Compliance

Implement best practices for crypto security and infrastructure protection
Work alongside compliance teams for AML/CTF integration requirements
Monitor vulnerabilities and system risks
Ensure scalability and platform reliability

Technical RequirementsRequired Programming Languages

Solidity
JavaScript / TypeScript
Node.js
React.js / Next.js
SQL / PostgreSQL

Preferred Additional Skills

Golang
Python
Rust
Flutter / React Native
Docker & Kubernetes
AWS / Cloud Infrastructure

Required ExperienceMandatory

3+ years experience in blockchain or fintech development
Strong Solidity smart contract development experience
Experience with Web3.js or Ethers.js
Experience building scalable backend APIs
Experience integrating crypto wallets and blockchain infrastructure
Strong understanding of DeFi ecosystems and tokenomics

Highly Preferred

Experience building launchpads or exchanges
Understanding of liquidity pools and AMM systems
Knowledge of centralized exchange architecture
Experience with crypto security audits
Experience in fintech or regulated financial environments

Desired Knowledge Areas

Tokenomics
DeFi protocols
Launchpad systems
Staking mechanisms
Wallet architecture
KYC/AML systems
Liquidity management
Smart contract auditing
Cross-chain integrations
Trading systems

Soft Skills

Strong problem-solving ability
Startup mindset and adaptability
Excellent communication skills
Ability to work independently
Attention to security and detail
Passion for blockchain innovation

Nice to Have

Previous startup experience
Experience working in crypto exchanges
Understanding of Australian AUSTRAC compliance requirements
Experience with institutional financial systems
Knowledge of financial products

What We Offer

Opportunity to work on a global fintech and blockchain platform
Flexible remote working environment
Career growth in emerging Web3 technologies
Competitive salary / token incentives
Early-stage leadership opportunities
Long-term ecosystem growth participation

How to Apply

Please submit:

Resume/CV
Portfolio or GitHub profile
Previous blockchain or crypto projects
Smart contract samples (if available)
LinkedIn profile

Applications:
[email protected]

Additional Positions DIFIEX May RequireTechnical Team

Smart Contract Developer
Backend Developer
Frontend React Developer
Mobile App Developer
DevOps Engineer
Blockchain Security Engineer
UI/UX Designer

Business & Operations

Compliance Officer
AML/KYC Specialist
Community Manager
Digital Marketing Manager
Partnerships Manager
Institutional Sales Manager
Customer Support Team

Pay: $70,735.16 – $154,752.35 per year

Benefits:

Maternity leave
Profit sharing
Referral program
Work from home

Work Location: Hybrid remote in Bella Vista NSW 2153

Quick Apply

Refine Your Search

backend developer jobs in nsw

Blockchain Developer

IT Integrations Solutions Developer | Sydney HQ

Binance Accelerator Program - Fullstack Developer (Internal Applications)

Full Stack Software Engineer - Agentic AI

Frontend Developers

Associate Engineering Team Lead (C/C++ to Rust), Trading Technologies

Senior QA Engineer

Senior Developer

Senior Java Developer

Senior Golang Developer (Cloud Native)

Staff Software Engineer

Staff Front-End Engineer - Telemetry

Senior Engineer (OAuth2)

Software Engineer (.NET/React)

Staff Software Engineer, Doshii

Technical Analyst

Android Engineer

Solution Designer

Senior Software Engineer, Internal Applications (AI Agent)

Senior Technical Support Engineer (Integrations)

I want to receive the latest job alert for backend developer in nsw

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