3,144 Crypto & Web3 jobs
Open tech roles at companies in crypto, blockchain and web3.
Join Our Talent Pool at SpaceDev! | Software Engineers – Uruguay
SpaceDev is building a software-engineer talent pool in Uruguay and Argentina to work remotely on Web2 and Web3 products for clients in the US, Canada, and Europe. Core stack: JavaScript/TypeScript (React, Next.js, Node.js), DevOps tooling, and blockchain tech like Solidity and Rust.
Join Our Talent Pool at SpaceDev! | Software Engineers – LatAm
SpaceDev, a remote-first software services company, is building a LatAm talent pool of software engineers to work on client projects in fintech, blockchain, and SaaS across Web2 and Web3. Engineers work across the stack with Node.js, React, and TypeScript, plus optional Solidity or Rust for Web3.
Senior Data Engineer, Payments & Funds-Flow (AI-Native)
Senior data engineer at OSL Group (Kuala Lumpur) owning the payments and funds-flow data domain: turning multi-source payment data into reliable, audit-ready models and maintaining data quality and SLAs across regions and currencies, using MaxCompute, DataWorks, CDC ingestion, and AI-native tooling.
Data Engineer — Payments & Funds-Flow
Data engineer owning the payments and funds-flow data domain at OSL/Banaxa, building reconciled, audit-ready models in MaxCompute/DataWorks with CDC ingestion and applying AI agents/LLM tooling across the pipeline. Serves payments, finance, compliance and risk teams from Kuala Lumpur.
Senior Mobile & Backend Engineer, Web3 Fintech & Payments
Senior engineer at GBCI Ventures designing, building, and scaling mobile apps and backend systems with a Web3, finance, and payments focus. You own features end-to-end, ensuring security, reliability, and fintech compliance, working closely with founders from Kuala Lumpur.
Service Desk Manager - Up to 120K - Makati Hybrid
Leads a 24/7 IT service desk team in Makati (hybrid), overseeing incident and request handling, SLAs, shift schedules, budgets, and service reporting while managing five service desk specialists and two DevOps engineers. Requires ~5 years of service desk management experience and ITIL knowledge, with blockchain interest a plus.
Senior Ruby Engineer
Senior Ruby on Rails engineer at AZA, a finance and remittance company, building and maintaining back-end web applications, mentoring engineers, optimizing performance and test coverage, and refining requirements with product. Core stack: Ruby/Rails, React, PostgreSQL, RSpec/Cypress, Git, Docker/Kubernetes.
Staff Full Stack Engineer (Fin Tech)
Staff full stack engineer who architects the stack and sets engineering standards for a consumer finance platform combining a virtual bank and crypto wallet for emerging markets. Day to day: building secure payment/wallet features across iOS (Swift), Android (Kotlin), Web (React), and backend services (Python, Go/Rust, Postgres, AWS), while mentoring engineers.
AI Data Engineer
Senior AI Data Engineer designs and ships agentic AI systems — multi-agent workflows in LangGraph, MCP servers, LLM integration, evaluation and observability — for a company building risk-management, oracle, and Financial Intelligence infrastructure securing $200B+ in decentralized protocols. Requires 5+ years software engineering, 2+ in production AI/ML, strong Python.
Remote Blockchain Full-Stack Engineer (DApps)
Remote full-stack developer at Placements24 designing, building, and deploying front-end and back-end components of blockchain-powered decentralized apps (DApps) from a home office. Day to day involves Solidity development, building scalable APIs, and ensuring tests cover all layers.
DevOps Engineer - Blockchain Infrastructure
DevOps engineer (via recruiter Placements24) for a blockchain infrastructure client: builds and automates CI/CD pipelines, infrastructure-as-code (Terraform/Ansible/Pulumi), and monitoring for blockchain/DLT environments, with cloud deployments and on-call support. Remote role in South Africa; needs Docker/Kubernetes, AWS/Azure/GCP, and Python/Bash/Go.
Remote Blockchain Infrastructure DevOps Engineer
DevOps engineer based in Pretoria (remote options for a distributed team) who designs CI/CD pipelines and infrastructure as code for blockchain applications, including monitoring of blockchain nodes. Core stack: Terraform/Ansible/Pulumi, Docker, Kubernetes, major cloud providers, and Python, Bash, or Go scripting.
Blockchain Developer (Backend Focus)
Backend-focused blockchain developer building and maintaining core blockchain infrastructure, smart contracts, and APIs for a client in Polokwane, South Africa, in a hybrid role. Stack includes Node.js/Python/Go/Java, Ethereum or Hyperledger, SQL/NoSQL databases, and cloud platforms like AWS, Azure, or GCP.
Hybrid Blockchain Backend Engineer: Identity Platform
Backend-focused blockchain engineer for a Placements24 client in Nelspruit, South Africa, designing, building, and maintaining core blockchain infrastructure and APIs for a decentralized identity platform. Hybrid in-office/remote role using Go, Node.js, Python, or Java, plus Solidity with Ethereum or Hyperledger.
Senior Blockchain Backend Engineer - Equity & PTO
Senior engineer building and optimizing backend services for a fintech platform in Vereeniging, South Africa: developing Go, Python, or Node.js microservices and REST APIs, integrating with Ethereum, Polygon, and private blockchains, and managing SQL/NoSQL databases with a focus on scalability and security.
Senior AI Analytics Engineer — Build Scalable AI Pipelines
A Senior AI Analytics Engineer at a crypto company in Hong Kong, onsite, who bridges Data Engineering, Tech, and Product: operationalizing AI/LLM models, architecting scalable data transformations and pipelines, and standardizing data models for business analytics, with occasional technical business-analyst duties.
Senior AI Analytics Engineer
Senior AI Analytics Engineer on the data team, operationalizing AI/LLM models, building scalable data transformation pipelines, and standardizing data models and best practices. Occasionally serves as a technical Business Analyst, translating business needs into technical specs. Based in Hong Kong.
Full Stack Developer (Blockchain)
Full-stack developer in Hong Kong building digital asset wallet and custody systems, covering wallet management, on-chain transactions, and asset reconciliation. Core stack: Go or Java backend, React or Vue frontend, MySQL, Redis, plus blockchain wallet technologies.