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Careers at GoldCoin

Join Our Team: Building the Next-Generation "Blockchain Cash App"

We are developing a cutting-edge blockchain financial application—comparable to a "cash app" experience—that enables users from various backgrounds (or "personas") to interact seamlessly with digital assets and financial services.

We're looking for talented professionals who can help us deliver a smooth, intuitive user experience and robust backend infrastructure.

Join GoldCoin

Open Positions

Join our team and help build the future of finance. We're looking for talented individuals to join our project.

To apply for any position, please send your resume to franklin@goldcoin.network

Senior AI Engineer (Finance-Focused)

Hudson County, NJ (Hybrid)
Contract (2-3 months)

Responsibilities

  • Develop and implement AI/ML models for financial forecasting, risk analysis, and user behavior insights.
  • Collaborate with blockchain, backend, and frontend teams to integrate AI-driven features (e.g., fraud detection, personalized recommendations).
  • Optimize algorithms for both speed and accuracy, ensuring minimal latency within the app.
  • Prototype and deploy ML models in production, applying best practices for data governance and security.

Qualifications

  • Must Have: 3+ years of AI/ML experience, ideally with finance or fintech projects.
  • Strong proficiency in Python, TensorFlow/PyTorch, and data engineering tools (e.g., Pandas, Spark).
  • Practical knowledge of algorithms for credit scoring, financial forecasting, or fraud detection.
  • Familiarity with blockchain data or decentralized financial products is a plus.
  • Ability to work on-site or in a hybrid setup in the 07093 area.

Senior Frontend Engineer

Hudson County, NJ (Hybrid)
Contract (2-3 months)

Responsibilities

  • Build a smooth, intuitive user interface for a "cash app" style blockchain application.
  • Implement responsive design principles, ensuring seamless experience across devices.
  • Integrate with backend APIs for real-time transaction updates, notifications, and AI-driven features.
  • Work closely with UI/UX designers and blockchain engineers to optimize performance and maintain best coding practices.

Qualifications

  • Must Have: 3+ years of frontend development (React, Vue, or similar frameworks).
  • Deep understanding of JavaScript/TypeScript, HTML5, CSS3, and responsive design.
  • Experience with real-time data handling, secure user authentication, and best-in-class UX standards.
  • Familiarity with Web3 libraries (e.g., ethers.js, web3.js) is highly desirable.
  • Strong communication skills and the ability to collaborate closely in person or in a hybrid environment.

Senior Backend Engineer (Payments Expertise)

Hudson County, NJ (Hybrid)
Contract (2-3 months)

Responsibilities

  • Design and maintain scalable backend services for payment processing, transaction logging, and real-time notifications.
  • Ensure robust integrations with external payment providers, banking APIs, and blockchain nodes.
  • Implement security best practices (e.g., PCI-DSS compliance if applicable) to protect sensitive financial data.
  • Collaborate with the AI Engineer for ML model integration and with the Frontend Engineer to deliver seamless user experiences.

Qualifications

  • Must Have: 3+ years of backend development (Node.js, Python, Go, or similar) with a focus on payment applications.
  • Solid understanding of RESTful APIs, microservices architecture, and database design (SQL/NoSQL).
  • Experience with payment gateways, transaction settlement, and KYC/AML frameworks.
  • Familiarity with containerization (Docker) and cloud services (AWS, GCP, or Azure).
  • Willingness to work on-site or in a hybrid arrangement based on project needs.

Senior UI Designer (Branding & "Cash App" UI)

Hudson County, NJ (Hybrid)
Contract (2-3 months)

Responsibilities

  • Craft a compelling, user-friendly interface that simplifies blockchain interactions, offering a "cash app" look and feel.
  • Develop and maintain visual design guidelines, brand identity, and style consistency across the product.
  • Conduct user research and user testing sessions to refine the UX.
  • Collaborate with Frontend Engineers to ensure designs are implemented accurately and efficiently.

Qualifications

  • Must Have: 3+ years of UI/UX design experience with consumer-facing financial or fintech products.
  • Strong portfolio showcasing mobile-first or "cash app" style designs, brand identity work, and user flow prototypes.
  • Expertise in design tools like Figma, Sketch, or Adobe XD.
  • Basic understanding of blockchain concepts is a plus but not mandatory.
  • On-site or hybrid availability is preferred.

Senior Blockchain Engineer

Hudson County, NJ (Hybrid)
Contract (2-3 months)

Responsibilities

  • Architect and implement smart contracts and blockchain integrations for seamless transactions, liquidity, and user asset management.
  • Coordinate with AI engineers to integrate on-chain/off-chain data for analytics and user experience enhancements.
  • Ensure the security and scalability of blockchain solutions, conducting regular audits.
  • Collaborate with the backend team to design efficient APIs and with the frontend team to develop intuitive user flows.

Qualifications

  • Must Have: 3+ years of blockchain development experience (Solidity, Rust, or other relevant languages).
  • Familiarity with EVM-based chains (Ethereum, Polygon, etc.) or other popular protocols (Solana, Avalanche, etc.).
  • Demonstrated knowledge of DeFi protocols, payment channels, and bridging solutions.
  • Strong grasp of cryptography basics and on-chain security best practices.
  • Comfortable with a hybrid or on-site work environment in the 07093 area.

How to Apply

Email: Please send your resume (and portfolio links, if applicable) to franklin@goldcoin.network

Subject Line: Indicate which position you're applying for.

Cover Note: Briefly describe your relevant experience, notable projects, and availability.

Start Date: Mention when you're available to begin the contract.