Full-Stack Developer (Blockchain)

Job Description

This is a remote position.

Schedule : Monday to Friday, 8 : 00 am – 5 : 00 pm (Sydney business hours) with a 1-hour unpaid break

Total Weekly Hours : 40 Hours

Our client is building a next-generation trading platform for tokenized assets (ERC-20 and ERC-721) and is seeking a highly skilled Full-Stack Developer to take ownership of critical system components. This role blends trading infrastructure, front-end development, systems integration, and security, offering the opportunity to shape a cutting-edge financial platform from the ground up.

Key Responsibilities

Trading Platform Development

Architect and implement a high-performance central limit order book (CLOB) for ERC-20 and ERC-721 property tokens.

Build settlement systems that sync real-time off-chain trades with on-chain token transfers.

Integrate market-making algorithms with dynamic spread logic and liquidity support.

Implement margin logic, real-time PnL, and position management for token portfolios.

Support real-time charting with historical price data, depth books, and execution flows.

Frontend & User Experience

Develop a responsive, beautifully designed UI that reflects the sophistication of our brand.

Create real-time dashboards displaying :

Token holdings and wallet balances

Live Guide Value vs. market price

Transaction history and portfolio performance

Build interactive property showcases with 3D walkthroughs, videos, and AR.

Implement token price charts, order entry panels, and trading visualizations.

Deliver consistent functionality across both web and mobile applications.

Systems Integration & Smart Payments

Integrate with :

Payment providers (e.g., Monoova, Stripe Issuing)

Custodians (e.g., Fireblocks)

Token pricing engines and AI-based Guide Values

Banking APIs for fiat deposits, debits, and transfers

Enable smart routing with fallback logic between fiat and token balances.

Build WebSocket APIs and authenticated trading endpoints.

Performance, Infrastructure & Security

Ensure low-latency performance at scale with thousands of concurrent users.

Implement security best practices for :

Financial transactions

Token authentication

On-chain / off-chain balance syncing

Design robust logging, observability, and alerting systems.

Build scalable microservices deployed to AWS (Lambda, EC2, RDS).

Required Technical Skills :

Understanding of blockchain fundamentals :

Smart contract concepts

Token standards (ERC-20, ERC-721)

Digital asset trading patterns

Frontend : React.js, Tailwind CSS, WebSockets, Chart.js / TradingView, REST APIs

Mobile : React Native or similar cross-platform framework

Backend : Node.js

Database : PostgreSQL

Infrastructure : AWS (EC2, RDS, S3, Lambda), Docker

Security : JWT, OAuth2, secure API practices

Trading Infrastructure : Order book design, C++, real-time data handling

Preferred Experience

Experience with fintech apps, crypto exchanges, or RWA tokenization platforms.

Built trading systems including :

Order matching engines

Candlestick / depth chart components

Position and margin tracking

Familiarity with market-making strategies, spread control, and liquidity incentives.

Integrated payments and banking APIs (e.g., virtual cards, fiat custody, on / off ramps).

Developed both web and mobile apps with consistent cross-platform functionality.

• Strong communication skills — able to explain technical concepts clearly and collaborate with a young, vibrant, multicultural team.
• Self-starter mindset — able to own and drive major technical systems independently.
• Passion for delivering clean, modular code and premium user experiences.
• Experience working in early-stage, fast-paced environments.
• Strategic thinker who can architect solutions for scale, security, and performance.

Independent Contractor Perks

HMO coverage (available in eligible locations)

Permanent work-from-home arrangement

Immediate hiring opportunity

ZR_26908_JOB

Requirements

Required Technical Skills : Frontend : React.js, Tailwind CSS, WebSockets, Chart.js / TradingView, REST APIs Mobile : React Native or similar cross-platform framework Backend : Node.js Database : PostgreSQL Infrastructure : AWS (EC2, RDS, S3, Lambda), Docker Security : JWT, OAuth2, secure API practices Trading Infrastructure : Order book design, C++, real-time data handling Preferred Experience Experience with fintech apps, crypto exchanges, or RWA tokenization platforms. Built trading systems including : Order matching engines Candlestick / depth chart components Position and margin tracking Familiarity with market-making strategies, spread control, and liquidity incentives. Understanding of blockchain fundamentals : Smart contract concepts Token standards (ERC-20, ERC-721) Digital asset trading patterns Integrated payments and banking APIs (e.g., virtual cards, fiat custody, on / off ramps). Developed both web and mobile apps with consistent cross-platform functionality.