Full Stack Developer

VS1 Finance builds institutional financial infrastructure on the XRP Ledger, focused on tokenization, lending, and regulated market structure. The company develops products on top of existing XRPL features and connects them to off-chain infrastructure.

• Integrate and orchestrate existing XRPL features via RPC/WebSocket APIs and SDKs;
• Build backend services for transaction construction, signing flows, sequencing, batching, and monitoring;
• Design blockchain data APIs and indexing layers;
• Connect XRPL workflows to off-chain systems, including oracles, custody, and compliance tools;
• Build and maintain UI components interacting with blockchain and external services;
• Ensure secure key-management integrations and custody-grade transaction handling;
• Extend and maintain VS1’s existing codebase;
• Translate financial flows, protocol primitives, system architecture, and integration diagrams into production-grade systems;
• Collaborate with design and product teams to ship end-to-end solutions;
• Build on and evolve existing XRPL infrastructure, including UI and AI components.

• Strong systems programming background, preferably in C++;
• Experience building against blockchain RPC APIs and SDKs;
• Deep understanding of transaction lifecycle, signing, sequencing, and state management;
• Strong backend engineering skills, including API design and event-driven systems;
• Experience integrating multiple systems into a cohesive end-to-end product;
• Ability to reason about financial flows and settlement logic;
• Nice to have: XRPL or Stellar Blockchain experience, custody or institutional transaction flows, Frontend experience with React or similar, oracle and database integrations.

• No conditions specified