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
