FullStack Developer with Blockchain

Rumble Fish is a Software Development House specializing in Blockchain, FinTech, AI, and AWS Cloud Applications. As quick adopters of the latest technologies, we aim to deliver cutting-edge, functional, accessible, and efficient solutions.

• Basic understanding of how frontend and backend applications are structured, ideally with some exposure to AWS services
• Familiarity with React and TypeScript
• Basic knowledge of Rust and a strong willingness to learn it
• Comfortable working with APIs (REST and/or GraphQL)
• Basic understanding of blockchain concepts (transactions, smart contracts, on-chain data)
• Experience or interest in applied cryptography
• Comfortable using AI coding tools (e.g. Claude Code)
• Excellent communication skills and team spirit
• Openness to learning new tools and technologies
• Understanding of when not to fully rely on an AI agent
• Proficiency in spoken English, as it is our working language

• Build and develop fullstack applications (React, Rust, AWS)
• Work on real blockchain / Web3 projects
• Integrate frontend and backend with blockchain data
• Design and implement APIs indexing and data processing logic
• Work closely with a product team and communicate in English on a daily basis