3,144 Crypto & Web3 jobs
Open tech roles at companies in crypto, blockchain and web3.
Java Fullstack Developer, Assistant Vice President
Designs, builds, and maintains end-to-end Java/Spring Boot backends plus modern web UIs (React, Vue, or Angular) powering digital asset workflows like custody, tokenization, transfers, and settlement at a regulated bank. Includes REST API/microservice development, automated testing, CI/CD, and production support.
Program Manager Mining (100% remote Worldwide)
Program Manager at Tether to lead end-to-end delivery of mining initiatives in Central America, coordinating exploration, permitting, operations readiness, stakeholder engagement, budgets, and compliance across cross-functional teams. 100% remote worldwide role.
AI Research Engineer (Model Compression & Quantization) - 100% Remote Worldwide
Designs and optimizes AI model serving and inference architectures at Tether, focusing on quantization, custom Metal/MSL GPU kernels for mobile and edge devices, and low-latency, low-memory inference; also works on distributed inference (tensor/pipeline/expert parallelism), diffusion models, and vision transformers.
AI Research Engineer (Multi-Modal Reinforcement Learning) - 100% Remote Worldwide
Tether is hiring a 100% remote AI Research Engineer to advance multi-modal reinforcement learning — building RL infrastructure, reward models, simulation environments, and training frameworks spanning text, image, and audio, using PyTorch, with the goal of publishing at top-tier ML conferences.
Blockchain Investigator and Law Enforcement Liaison
Analyzes cryptocurrency transactions using blockchain analytics tools (Chainalysis, TRM Labs, Elliptic) to detect money laundering, fraud, and other financial crimes, and serves as the primary liaison to law enforcement agencies — producing clear reports and intelligence to support criminal investigations.
AI Research Engineer (Multi-Modal & Vision)
AI Research Engineer on Tether's AI model team (Tether Data), driving end-to-end development of vision-language models: curating multimodal datasets, running post-training (SFT, distillation, RLHF), building evaluation benchmarks, and optimizing models for deployment on distributed GPU infrastructure.
Program Manager Mining (100% remote)
Leads Tether Power's mining programs in Central America — coordinating exploration, permitting, operations readiness, and stakeholder/institutional relations for sustainable Bitcoin-mining energy projects. A senior program-management role (not hands-on dev) using tools like MS Project/Primavera, focused on budgets, regulators, and ESG/community engagement.
Senior Business Analyst Mining (100% remote)
Senior Business Analyst for Tether's mining-focused M&A and investment banking activities: conducts due diligence on mining assets, builds DCF/NAV financial models, analyzes resource statements (JORC, NI 43-101), and prepares investment memoranda and board-level presentations. Fully remote role bridging geology with commercial/financial analysis.
Marketing Project Manager (100% remote)
Tether, the company behind the USDT stablecoin, is hiring a 100% remote Marketing Project Manager to own end-to-end workflows for its marketing design function — scoping projects, coordinating designers with Product and Development teams, and overseeing website, CMS, and digital campaign execution.
Research Engineer Intern (Multimodal LLM)
Tether is hiring a Research Engineer Intern (2025/2026) to research and develop state-of-the-art open-source LLM, vision, and multimodal foundation models and to optimize a distributed training framework for large models on thousands of multi-node GPUs. Core stack: PyTorch and large-scale model training.
P2P Node.js Engineer - Holepunch (100% Remote, Worldwide)
Fully remote P2P Node.js engineer on Tether's Holepunch project, expanding and strengthening core peer-to-peer networking and storage primitives. Day to day: implementing and optimizing P2P protocols, custom binary protocols, and high-performance JavaScript networking (UDP/TCP, NAT traversal, cryptographic primitives).
Senior Growth Product Manager, AI-Native
Magic Eden is hiring a Senior Growth Product Manager for Dicey, its crypto casino and sportsbook, to own the post-signup player journey: segmentation, targeted offers, and retention P&L. The role is hands-on and AI-native, building agents and automated pipelines while working directly with data warehouse and on-chain data. Fully remote.
ソフトウェアエンジニア｜規制対応オンチェーン金融基盤
Software engineer in Startale Group's newly created regulated-finance unit, translating Japanese financial laws into system requirements, data models, and smart contracts for on-chain financial infrastructure (security tokens, stablecoins), while building mission-critical AWS foundations that can withstand audits. Core stack: Rust, TypeScript, Solidity, AWS, Aurora/PostgreSQL.