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DevOps Engineer

Open 41d North AmericaContract

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.

API Automation AWS Bash Blockchain +36 skills

140K – 220K $

Senior Backend Engineer

Open 41d North AmericaSenior

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.

API Blockchain Distributed Systems Java Python +3 skills

120K – 200K $

Growth Software Engineer Intern

Open 41d North AmericaInternshipIntern

Sentio XYZ is hiring a Growth Software Engineer Intern in San Francisco (remote-friendly) to build data indexers, dashboards, and APIs for multiple blockchains using Sentio's framework, while supporting Web3 clients and shaping growth features. Ideal for students with basic JavaScript/Go/SQL skills and a strong interest in blockchain developer tools.

API Blockchain DeFi EVM JavaScript +3 skills

AlphaLab Capital

Senior Software Engineer

Open 41d APACSenior

Senior engineer on AlphaLab Capital's trading platform team, designing, building and operating a highly performant, highly available trading system that provides access to CeFi, DeFi and OTC liquidity — covering order management, compliance, market data, exchange connectivity and routing in C#/modern C++ on Linux.

Business Development CI/CD Cloud C++ C# +5 skills

AlphaLab Capital

Software Engineer (Ho Chi Minh)

Own trading systems end to end at a blockchain/crypto trading firm — building a distributed trading simulator, large-scale data collection and visualization systems, analytics tools, and post-trade reconciliation software. Day-to-day is backend development (Python, C#, Java or C++) plus automation, testing, deployment, and documentation.

Agile Analytics Blockchain C++ C# +4 skills

Full Stack Software Engineer

Open 41d RemoteNorth AmericaFull-time

Primitives is hiring a full-stack engineer (6-8 yrs) to help shape the technical architecture and ship features for its NFT creation and social connection platform. The stack is Node.js/Express, Redis, TypeORM/Prisma, React, and GraphQL, with remote-first work on Eastern Time.

Accessibility Express.js GraphQL Node.js React +1 skills

Frontend Software Engineer

Open 41d North America

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.

API DeFi GraphQL React Smart Contracts +1 skills

Junior Software Engineer

Open 41d APACContractJunior

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.

Agentic AI AI API AWS Azure +16 skills

33K – 66K aud

Senior Software Engineer, Generalist

Open 41d Europe, North America, UKSenior

Senior engineer hardening Anza's Agave validator client and the broader Solana network: analyzing and debugging core blockchain code, building adversarial testing frameworks, and benchmarking performance and reliability improvements. Core work is systems programming (Rust/C++) on distributed systems and consensus.

Automation Blockchain C++ Distributed Systems Ethereum +5 skills

180K – 300K $

Software Engineer (Security & DevOps)

Open 41d EuropeContract

Security & DevOps engineer who owns security and infrastructure at Bleap, an onchain banking startup: cloud security across AWS/GCP via IaC, key management and signing infra, SSO/VPN/endpoints/CI-CD, and incident response for anomalous fund movement. Stack is Java 24 with Spring Boot/Hibernate on AWS, GCP, Docker, PostgreSQL, and Redis.

AWS Blockchain CI/CD Cloud DevOps +11 skills

Exponential DeFi

Senior Software Engineer

Open 41d North AmericaSenior H-1B sponsor history

Senior Software Engineer at Exponential DeFi will architect, build, and support key components of a multichain yield aggregation platform that merges web2 and web3, joining early ('day 1') in a fast-paced, high-ambiguity environment focused on web applications at scale.

170K – 250K $

Machine Learning Engineer

Open 41d RemoteAPACContract

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.

Blockchain Cryptocurrency Ethereum Haskell Machine Learning +6 skills

Full Stack Engineer

Open 41d RemoteAPAC, Europe, North AmericaContract

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.

Blockchain Cryptocurrency Ethereum Haskell Node.js +5 skills

Software Engineer

Open 41d RemoteAPAC, EuropeContract

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.

Blockchain Cryptocurrency Ethereum Haskell Node.js +5 skills

Forward Deployed Engineer

Open 41d HybridAPACFull-time

Nodeworthy is hiring a Forward Deployed Engineer on behalf of a Solana-based decentralized exchange: a hands-on full-stack role split between shipping prototypes/integrations and directly supporting external developers integrating with SDKs, APIs, and on-chain programs. Core stack is Rust and TypeScript across frontend, backend, and on-chain systems.

API Api Design Blockchain Cloud DeFi +8 skills

Tetra Trust Company

Platform DevOps Engineer - Regulated Crypto Infra

Open 41d North America

Platform DevOps Engineer at Tetra Trust Company, a regulated digital asset custody provider in Toronto, owning the platform end to end — building, deploying, observing, securing, and recovering licensed custody systems using infrastructure as code and observability tooling, in partnership with security, compliance, and operations teams.

Infrastructure as Code Observability

Tetra Trust Company

Senior DevOps Engineer

Open 41d North AmericaFull-timeSenior

Senior DevOps Engineer owning the AWS/Terraform platform, CI/CD, observability, incident response, and secrets/key management for a regulated Canadian digital asset custodian and its CAD stablecoin payment rail. The role emphasizes audit-ready infrastructure, compliance automation, and 24/7 reliability in a small high-ownership team.

AWS CAD CI/CD Cloud DevOps +15 skills

200K – 300K CAD

Senior Product Manager

Open 41d Senior

Trust Wallet is hiring a Senior Product Manager. The posting shares only the role title and a LinkedIn link with no detail on scope or stack; Trust Wallet is a web3 self-custody crypto wallet product, so the role would center on its wallet/crypto product.

Staff Data Platform Engineer — Remote

Open 41d UKStaff

A Staff Software Engineer (Data) designs and builds scalable data infrastructure — ingestion, processing, storage, and delivery — for a multi-chain platform, while influencing architecture and mentoring engineers in a distributed team. Core languages are Go, Kotlin, Rust, and Python.

Data Ingestion Kotlin Python Rust

Robinhood Financial

Senior Backend Engineer, Crypto Custody - London (Equity)

Open 41d UKSenior

Senior Backend Engineer at Robinhood in London building and operating the AWS-backed crypto custody and blockchain node stack. Day to day: automating infrastructure with Python, running blockchain nodes, expanding Kubernetes/Docker deployments, owning custodian integrations, and sharing on-call for availability and security.

AWS Blockchain Docker Kubernetes Python