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At Midas, we are working on real-life engineering challenges to transform the world of finance. We’ve transformed investing in Turkey by delivering a seamless experience for everyday investors. Today, 4.5 million users…
About Ctrl Alt Ctrl Alt is designing and operating the on-chain infrastructure powering digital capital markets globally. We bring together a unique blend of expertise in financial markets and cutting-edge in-house…
Backend engineer on the Tokenization team building services that mint, custody, and settle tokenized equities on-chain, connecting brokerage/ledger systems with smart contracts, chain indexers, and DEX trade flows. Day-to-day is Go, Python, or Java backend work with cloud-native architecture and a focus on correctness; based in Toronto with 3 days/week in-office.
Senior Java engineer joining Galaxy Digital's Lending team in Hong Kong to build crypto lending infrastructure — loan origination, collateral management, interest accrual, liquidations, and risk systems — plus APIs and integrations with blockchains, custodians, oracles, and traditional finance. Core stack: Java, Spring, Kafka, microservices.
Mid-to-senior DevOps Engineer at Dinari, a tokenized securities (Web3/fintech) company, owning cloud infrastructure, Terraform-based IaC, CI/CD, observability, and DevSecOps compliance, plus blockchain node and smart-contract deployment pipelines on AWS/GCP. Core stack includes Terraform, Python/Go/Bash, Docker, monitoring tools like Datadog/Prometheus/Grafana, and security tooling such as Vault.
Senior backend engineer at Dinari (San Mateo, remote-friendly) building securities-backed token infrastructure — APIs and SDKs that let exchanges and wallet apps offer 1:1 tokenized securities. Work spans SaaS platform engineering and Web3 integration; needs 5+ yrs experience, Python or Java, and blockchain familiarity.
Frontend Software Engineer at Synquote, a crypto/DeFi startup bringing derivatives liquidity to on-chain traders. Day to day: write well-tested React code that interacts with smart contracts, integrate REST/websocket/GraphQL APIs, and turn designs into pixel-perfect responsive web apps. Remote-friendly with a San Francisco presence.
OpenxAI, a decentralized AI network built on Web3 technologies, is hiring a remote junior software engineer (Australia-based) to build backend and frontend features, APIs, and smart-contract integrations for its decentralized AI platform. Key stack includes Python, JavaScript, React, Node.js, and Git, with exposure to AI tools like TensorFlow and PyTorch.
Coinbag, a well-funded crypto startup building automated cross-chain crypto interest optimization, is hiring a fully remote Machine Learning Engineer. The role is language- and technology-agnostic: building ML/mathematical models, smart contracts, infrastructure, and security across a Scala, Node.js, Python, Haskell, and multi-blockchain stack.
At Coinbag, a well-funded crypto startup building automated cross-chain crypto interest optimization, full stack engineers work across every layer of the product — smart contracts (Solidity), backend services (Scala, Node.js, Python, Haskell), blockchain integrations, cost-efficient infrastructure, automation, and security.
Full-stack/blockchain engineer at Coinbag, a well-funded startup building automated cross-chain crypto interest optimization. You work across the entire codebase — smart contracts, infrastructure, automation, and security — in a language-agnostic way using Scala, Node.js, Python, Solidity, and Haskell across chains like Ethereum, Terra, Cardano, Solana, and more. 100% remote.
Job Description Primary Responsibilities: Design, develop, and execute comprehensive test strategies for smart contracts, blockchain integrations, and platform components Build and maintain automated test frameworks…
Full-stack developer at Catallaxy, a Montreal blockchain consultancy, building web applications and APIs for blockchain products with Node.js, React and SQL/NoSQL databases. Day to day: design, develop and ship tested, scalable code while joining scrums, code reviews and tech-stack decisions.
VP-level full-stack contractor working onsite in London (5 days/week) across a shared codebase: front-end leadership in Angular plus Solidity smart contracts and Java backend, expected to cover at least two of the three areas. 12-month initial contract, inside IR35, paid a daily rate.
Backend Java tech lead for a banking client in Peru: advising an innovation center, enforcing clean-code practices (SOLID, design patterns), and driving development and maintenance of highly available banking services and APIs/microservices. Core stack is Java 17+, Spring Boot, reactive programming, Azure cloud services, with blockchain/Web3 integration exposure.
Senior blockchain backend engineer on the VIMWorld ecosystem (hiring entity CREAM, LLC) in Las Vegas, designing NFT features and cross-chain architecture. Day to day is hands-on Solidity smart-contract development with a security focus, work across Ethereum, VeChain, and BSC, and leading integrations plus SDK builds for the platform's APIs.
Senior blockchain/backend engineer building VIMworld's smart NFT ecosystem: leading cross-chain integrations and token bridges, developing Solidity smart contracts, and building integration libraries/SDKs and APIs. Core stack includes VeChain, Ethereum, Binance Smart Chain, Solidity, TypeScript, Web3.js, React/React Native, and Unity.
Sr. Backend/Blockchain Engineer at CREAM, LLC (VIMworld) in Las Vegas building smart NFT product functionality and cross-chain integrations across VeChain, Ethereum, and Binance Smart Chain. Day to day: developing Solidity smart contracts, integration libraries/SDKs for servers and APIs, and leading technical roadmaps.
Design and build scalable centralized backend services powering Web3 applications at TRON DAO, while maintaining stable daily operations and researching industry solutions. Core stack is Java for large-scale systems, with Node.js/TypeScript as a plus, Linux environments, and preferred smart-contract knowledge.
Peregrine Advisors Benefit Inc. seeks a technically skilled Full Stack Developer to join a high-impact team of Data Scientists, Data Specialists, DevSecOps Engineers, and Developers to deliver on innovative and…
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