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Bullish HK Limited

Senior Software Engineer, Clearing Engineering

On-siteNorth AmericaSenior

Builds and maintains mission-critical clearing, risk management, and regulatory reporting microservices and stream-processing pipelines at Bullish, a regulated digital assets exchange. Day-to-day work centers on advanced Java, Aeron/Kafka middleware, SQL/NoSQL data stores, and distributed systems on a cloud-native stack, collaborating with teams in Hong Kong and New York.

Airflow Analytics Automation AWS Big Data +29 skills

180K – 230K $

Circle Internet Management Services LLC

Senior Software Engineer

RemoteNorth AmericaSenior

Senior Software Engineer at Circle (NYSE: CRCL) extending in-house blockchain infrastructure for tokenization: building and owning scalable microservices and secure public APIs that move value across blockchain and traditional banking protocols. Core stack is Java/Go, REST APIs, cloud services, and SQL/NoSQL data stores.

API Api Design AWS Azure Blockchain +8 skills

153K – 205K $

Circle Internet Management Services LLC

Staff Data Scientist - Payments

RemoteNorth AmericaStaff

Staff Data Scientist on Circle's payments team, partnering with product and business leaders to turn data into strategy: building foundational datasets, metrics, dashboards, and analyses of customer behavior, payments activity, and on-chain blockchain data using SQL, Python, and statistical modeling.

Analytics Automation Blockchain Business Intelligence Causal Inference +6 skills

195K – 258K $

Galaxy Digital Services

Off-Cycle Fall 2026 Cybersecurity Internship

RemoteNorth America, UKInternshipIntern

Remote fall 2026 cybersecurity internship on Galaxy Digital's Product Security team: help develop and refine secure engineering standards (authentication, secure APIs, web UI security, secure coding) and build supporting libraries for engineering teams. Requires programming in Python/Rust/C++/Solidity, crypto knowledge, and LLM tooling experience. Pays $55/hr, open to students in the UK or US.

AI API Authentication Claude Code C++ +9 skills

55 – 55 $ / hr

Job Tether Operations Limited

Frontend Software Engineer (100% Remote - worldwide)

Tether is hiring a senior frontend engineer (100% remote, worldwide) to build user-facing interfaces for its AI assistant product. Day to day: shipping features and bug fixes, code reviews, automated testing, and building responsive, high-performance UIs with React/Preact, TypeScript, and state management tools.

AI API Blockchain Distributed Systems Fintech +10 skills

Senior Infrastructure Engineer

North AmericaSenior

EDX Markets is hiring a Senior Infrastructure Engineer based in Chicago (onsite, not remote), posted via a web3/crypto talent channel. The role centers on building and running infrastructure, though the posting itself gives few specifics and links out for the full description.

Tether Operations Limited

Mobile Engineer - React Native (100% Remote) - Worldwide

RemoteWorldwide

Develops and maintains Keet Mobile, Tether's peer-to-peer chat and calling app for iOS and Android, owning features end to end from UI/UX to the P2P core APIs. Core stack: React Native with Expo and Redux/Redux-Saga running in a Bare JS runtime, plus native integrations like push, camera, and biometrics.

AI Android API Blockchain Fintech +10 skills

Tether Operations Limited

Fullstack Engineer - AgenticOps (100% Remote)

RemoteWorldwide

Tether is hiring a fullstack engineer for its AgenticOps team to build and maintain developer tools and AI-agent-driven automation (CI agents, automated PR reviews, code quality checks, build/release workflows) for the QVAC desktop and mobile app teams. Core stack is JavaScript/TypeScript with Git and CI/CD, working fully remotely in a globally distributed team.

Agentic AI AI Automation Blockchain CI/CD +5 skills

Galaxy Digital Services

Vice President, Senior Product Security Engineer

On-siteAPACC-level

Senior Product Security Engineer (VP title) at Galaxy Digital in Mumbai, securing microservices, cloud applications, advanced trading systems, and blockchain architectures. Day to day: secure design/code reviews, threat modeling, SAST/DAST/SCA management, and guiding engineers on vulnerability remediation and security patterns like MPC and multi-signature.

AI Authentication Blockchain Cloud Cloud Security +12 skills

Galaxy Digital Services

Technical Program Manager

London-based Technical Program Manager owning execution across Galaxy's Retail Engineering teams (~20-30 developers across New York and India): managing intake, prioritization, resourcing, and stakeholder reporting for digital-assets delivery. Requires 7+ years of TPM experience, fluency in JIRA and delivery tooling, and digital assets/retail finance experience.

AI Automation Generative AI HPC Jira +1 skills

Galaxy Digital Services

Technical Project Manager (Data Centers)

On-siteNorth America

Technical Project Manager on Galaxy Digital's Data Centers team, driving end-to-end delivery of software development and cybersecurity initiatives — running Agile ceremonies, managing cross-functional dependencies, tracking risks, and reporting to leadership using tools like Jira and Confluence.

Agile AI Certified ScrumMaster Cloud Confluence +11 skills

Galaxy Digital Services

VP, Senior Backend Developer - Blockchain Infrastructure

On-siteUKC-level

Hands-on VP-level backend engineer at Galaxy Digital building blockchain infrastructure and staking products on Ethereum — APIs, data pipelines/indexers, validator integrations, and observability. Core stack is Golang on AWS/Kubernetes (Helm, GitOps), with mentorship and architecture work in a hybrid London team.

AI API Api Design Automation AWS +19 skills

Data Center Technician- Algona Iowa

On-siteNorth AmericaFull-time

On-site data center technician keeping Simple Mining's large-scale cryptocurrency mining operations running in Iowa: closing work tickets, performing routine maintenance and repairs on ASIC miners, troubleshooting network/connectivity issues, and bringing new miners online using tools like Foreman and BTC Tools. Full-time, $20/hour starting pay, with health benefits and PTO.

Cryptocurrency Fall Protection

20 – 20 $ / hr

Senior Analytics Engineer

RemoteNorth AmericaSenior

Senior Analytics Engineer at ZEBEDEE will own the transformation layer, standing up dbt on a new cloud data warehouse and building the dimensional models, tests, and documentation that finance, compliance, and product teams depend on. Core stack includes dbt, analytical SQL, orchestration (Airflow/Dagster/Prefect), cloud warehouses, and BI tools.

Airflow Analytics BigQuery CI/CD Cloud +20 skills

Institute of Free Technology

DevOps Engineer (Vac DST)

Designs and runs large-scale Kubernetes-based test environments to benchmark and debug Logos's decentralized blockchain, messaging, and storage systems. Day to day: cluster optimization, observability stacks (Grafana/Prometheus), infrastructure automation (Terraform/Ansible/Helm), and analysis in Python.

Ansible Blockchain Cloud Containerization DevOps +13 skills

Plexus Resource Solutions

DeFi Data Engineer: Pipelines, Dashboards & Parameter Models

Data engineer for a DeFi trading protocol, owning ingestion pipelines for on-chain events and market data, building parameter models, and designing health dashboards in Grafana. Core stack is Python, SQL, and AWS with a focus on reproducible, tested environments.

AWS DeFi Grafana Python SQL

Plexus Resource Solutions

Data Engineer

Data Engineer for a DeFi trading protocol (hired via recruiter Plexus) in London, owning the protocol's monitoring, parameter systems and data infrastructure. Day to day: build on-chain/market-data pipelines, versioned parameter models, Grafana dashboards and alerting, and backtesting frameworks using Python, SQL and AWS.

Athena AWS CI/CD Data Pipelines DeFi +7 skills

Senior Devops & Platform Engineer

Senior Platform & DevOps Engineer at a high-growth digital asset firm in London, shaping cloud architecture and platform strategy. Day to day: building scalable GCP/Kubernetes infrastructure, infrastructure-as-code and CI/CD pipelines, improving observability, security and incident response, and partnering with developers.

Automation AWS Azure Bash CI/CD +13 skills

The Bitcoin Street Journal

Senior Site Reliability Engineer, Data Infrastructure — Chainlink Labs

North AmericaSenior

Senior SRE owning the reliability of Chainlink's large-scale data infrastructure: running and scaling Redpanda/Kafka streaming, Apache Flink, Kubernetes and AWS workloads to 99.9% availability, driving automation, cost accountability, and self-service infrastructure via Terraform for engineering teams.

Airflow Aurora Automation AWS BigQuery +15 skills

Skillhub Solutions Inc.

Senior Site Reliability Engineer, Data Infrastructure

North AmericaFull-timeSenior

Senior SRE at Chainlink Labs owning reliability of large-scale distributed systems and data infrastructure: production streaming (Redpanda/Kafka, Flink), Kubernetes and AWS workloads, Terraform-based provisioning, automation to cut incidents, and cost accountability (BigQuery usage). Remote within Canada with some EST overlap.

Airflow Aurora Automation AWS BigQuery +12 skills