Full Stack Developer – FinTech​/Crypto Intelligence Platform

Role Description

This is a Remote, Part-Time / Contract role for a Full Stack Developer at Golden Horizon (GOLDH).

The successful candidate will work on a production-oriented crypto/fintech platform
, contributing across both front-end and back-end systems
. This role is best suited for an experienced developer who is comfortable working in a lean, early-stage environment and contributing on a flexible, contract-based basis.

You will work closely with the founder and a small senior team to take ownership of an existing codebase, extend platform capabilities, and help ship reliable, scalable features.

• Take over and understand an existing full-stack codebase
• Build and maintain backend APIs for analytics, users, and platform features
• Integrate APIs with frontend dashboards (tables, charts, filters)
• Implement authentication, role-based access, and subscription/paywall logic
• Improve application performance, error handling, and reliability
• Contribute to technical decisions supporting scalability and security
• Collaborate effectively with cross-functional stakeholders in a remote setting

• Remote
• Part-time or contract-based
• Flexible working hours by mutual agreement
• Suitable for candidates seeking long-term collaboration
  , not a fixed full-time role at this stage

• Proven experience in Full-Stack Development
• Strong proficiency in Front-End Development
  , including React and Next.js
• Solid experience in Back-End Web Development using Node.js (NestJS, Express, or similar)
• Experience working with relational databases such as PostgreSQL
• Strong understanding of RESTful APIs and system integration
• Familiarity with authentication, authorization, and role-based access control
• Ability to write clean, modular, maintainable, and secure code
• Comfortable working independently and collaborating within small, remote teams

• Experience with fintech, crypto, or trading data
• Exposure to SaaS platforms
  , dashboards, or analytics tools
• Basic understanding of CI/CD, deployment, or cloud environments

• Bachelor’s degree in Computer Science
  , Software Engineering
  , or a related field
• (or equivalent practical experience)

• Work on a real, data-driven fintech platform
  , not a concept or demo
• Direct involvement in core platform development and decision-making
• Collaboration with a small, senior, founder-led team
• Opportunity for longer-term engagement as the platform evolves