Latest Backend Engineering jobs at Rain

Design and lead secure, scalable wallet infrastructure spanning custody, key management, signing, authorization, and recovery. The role requires deep expertise in wallet or cryptographic security infrastructure, distributed systems architecture, and modern blockchain account models.

Builds compliance-focused tooling and services for KYC/KYB/TM pipelines, centralizes compliance data strategy, and ships backend code iteratively. Requires 3+ years software engineering experience with Node.js and appreciation for compliance precision.

Builds and scales backend systems, APIs, and data pipelines for AI-powered features, agents, and automation in a fintech payments platform using stablecoins. Requires 3-8+ years experience with Node.js and production LLM systems.

Designs, builds, and maintains Soroban smart contracts on Stellar and backend services integrating with EVM and Solana networks. Scales infrastructure for high-volume crypto-backed card transactions, requiring deep Stellar expertise, Rust proficiency, Node.js experience, and 2-10+ years in engineering.

Designs, builds, and maintains Solana programs and backend services integrating with Solana, EVM, and Stellar for high-volume crypto-backed payments. Requires deep Solana expertise, Rust proficiency, Node.js experience, and 2-10+ years in engineering.

Builds and scales backend infrastructure for global payments platform using NodeJS, integrates third-party services and smart contracts across blockchains, and contributes to technical roadmap for hypergrowth fintech.

Designs, builds, and maintains EVM smart contracts and backend services integrating with EVM, Solana, and Stellar for high-volume crypto-backed payments. Requires deep EVM/Solidity expertise, Node.js, 2-10+ years experience.