Quicknode is a cloud-based infrastructure company that powers the blockchain ecosystem.Our mission is to be the indispensable utility that empowers companies and innovators globally to build next-generation, Web3 enabled businesses & applications using blockchain technology. Quicknode is backed by some of the world's best investors including Tiger Global, Y Combinator, SoftBank, and the Seven Seven Six Fund. The Quicknode team has over 120 people maintaining high performance global data infrastructure for amazing customers serving billions of requests daily.We are a global remote company with an HQ in Miami, Florida.The RoleAs a Senior Infrastructure Engineer at QuickNode, you’ll play a pivotal role in architecting, developing, and implementing our next-generation infrastructure platforms across both private and public clouds. This role focuses on building robust, scalable systems that go beyond traditional cloud deployments—developing hybrid environments that integrate bare-metal, virtualization, and orchestration technologies. You’ll drive automation, standardization, and operational excellence across QuickNode’s infrastructure ecosystem, ensuring performance, reliability, and scalability as we expand our Web3 infrastructure footprint globally.What You’ll Do* Research, architect, and deploy complex infrastructure systems across bare-metal servers, hypervisors, orchestrators, virtual machines, and containerized environments.\n* Design and implement automation using Infrastructure-as-Code and Configuration Management principles (Terraform, Ansible, Consul) to ensure reproducibility, speed, and consistency in infrastructure deployment.\n* Establish and maintain infrastructure standards, documentation, and architecture diagrams to support scale, reliability, and compliance across environments.\n* Partner with Technical Operations, CloudOps, and Platform teams to ensure smooth integration of systems, improve deployment efficiency, and enhance observability.\n* Optimize resource allocation and infrastructure cost efficiency while maintaining performance and uptime goals.\n* Continuously improve resilience and scalability through proactive capacity planning, disaster recovery testing, and infrastructure modernization initiatives.\n\nWhat You’ll Bring* Minimum 5 years of experience in Systems Administration, Datacenter Operations, or Infrastructure Engineering, with deep expertise in Linux/Unix systems\n* Proven success designing and managing hybrid cloud and traditional infrastructure platforms at scale (bare-metal, virtualized, and cloud-native).\n* Hands-on experience with automation, configuration management, and CI/CD tools such as Terraform, Ansible, Consul, and Jenkins.\n* Proficiency with observability and monitoring platforms (Grafana, ELK, VictoriaMetrics, DataDog).\n* Programming experience in one or more languages such as Python, Go, or JavaScript.\n* Strong understanding of infrastructure architecture principles — scalability, redundancy, fault tolerance, and cost optimization.\n* Familiarity with containerization (Docker, Kubernetes) and networking fundamentals across cloud and datacenter environments.\n* A proactive, analytical mindset and the ability to deliver under pressure while fostering a culture of continuous improvement and reliability.\n* Excellent communication and documentation skills to facilitate alignment across cross-functional engineering teams.\n\nInternational ranges, in local currency, will be discussed during the hiring process with applicable candidates. This role is eligible for a quarterly bonus tied to company and individual goal achievement. We consider years of experience, level of proficiency in job function, the technical competencies required and location when determining base salary ranges for positions and levels.The Quicknode compensation philosophy includes pillars to ensure fair and unbiased compensation for all employees. To design and deliver total reward offerings that are employee-centric. To offer a competitive benefit package in all locations where we operate. To prioritize attracting and retaining the best talent globally. To maintain a high-performing and flexible way of working.During the hiring process, we are committed to discussing compensation openly and honestly. We encourage candidates to share their salary expectations and requirements early, allowing for an individualized discussion. We know that our total rewards practices impact the lives and wellbeing of our employees. Therefore, we will never stop learning about the market, our business, your needs, and how best to achieve our goals through thoughtful and data-driven practices. If you have any questions or require further information about the compensation for this position, please don't hesitate to reach out to your Recruiter. We at Quicknode are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law. \n\n#Location\nLisbon

About Subzero LabsSubzero Labs is building Rialo - a programmable network that brings the real-world internet onchain, without the clunky UX of today’s blockchain apps.Our mission is to make decentralized applications feel fast, familiar, and reliable - for developers, fintechs, and everyday users.We’re backed by Pantera Capital, Coinbase Ventures, Variant, and more. Our team includes builders from Mysten Labs, Diem, Apple, Netflix, and Google.About the RoleWe’re looking for a Technical Project Manager who drives focus, execution, and engineering excellence. You’ll coordinate projects across teams, streamline communication, and ensure we ship high-quality work on time.You’ve likely been an engineer yourself — you understand modern development workflows, anticipate blockers, and help teams stay aligned and productive. You bring structure without bureaucracy and care deeply about quality, clarity, and continuous improvement.You believe in the power of AI to enhance how teams build and in staying close to users to create real impact. This role is key to keeping our engineering organization running smoothly and delivering world-class products.What You’ll Do\nProject & Technical Execution* Lead technical planning and delivery across core engineering projects — from infrastructure to developer-facing tools.\n* Coordinate timelines, milestones, and dependencies across engineering, product, and leadership to keep initiatives on track.\n* Write clear requirements (PRDs), manage the backlog, and ensure priorities stay aligned with company goals.\n* Drive on-time delivery of high-quality systems, tools, and product experiences.\n* Surface and communicate project status, risks, and blockers early — and work proactively to resolve them.\n* Establish and refine lightweight processes that improve focus, accountability, and execution velocity.\n* Champion engineering excellence by promoting clarity, documentation, and continuous improvement in how we build.\n* Leverage AI and modern tooling to improve coordination, tracking, and development workflows.\n\n\nStrategic Impact* Define and uphold what great technical execution looks like at Rialo.\n* Act as the connective tissue between engineering, product, and leadership to ensure alignment and momentum.\n* Identify areas for optimization and help teams scale with quality and efficiency.\n\nWhat We’re Looking For* 2–5 years of experience in project or technical program management roles, ideally within high-scale infrastructure or data-focused organizations.\n* Prior experience as a software engineer, ideally within infrastructure, data systems, or Web3 environments.\n* Deep understanding of developer workflows and technical team dynamics — you know what helps engineers move fast and build with quality.\n* Exceptional communication and organization skills — you can write clearly, align teams, and use AI tools to amplify your impact.\n* Comfort operating in technical, fast-moving ecosystems like crypto, open source, or modern dev tooling.\n* Familiarity with the platforms where developers live — GitHub, Discord, Telegram, and beyond.\n* High degree of AI fluency — you actively use AI to boost productivity, automate workflows, and streamline coordination.\n* A bias for clarity, learning, and iteration — you listen closely, move quickly, and optimize as you go.\n\nBonus Points* Familiarity with Rust, TypeScript, or blockchain-oriented SDKs.\n* Experience managing or contributing to developer tools, CLIs, or internal documentation systems.\n* Proven ability to run or support technical community initiatives — such as hackathons, technical workshops, or ambassador programs.\n* Experience working across distributed teams and time zones in high-growth, technical environments.\n\nWhy Join Us* Support engineering teams building the foundation of a high-performance, real-world crypto network\n* Work alongside founders and engineers from Diem, Mysten Labs, Google, and Netflix\n* Help shape how teams operate, ship, and scale\n* Early-stage equity + token upside\n* Remote-first culture with high-trust, high-context collaboration\n\n\nBenefits* Competitive salary + token allocation\n* Health, dental, and vision (for U.S. employees)\n* Flexible PTO + company recharge days\n* Home office + equipment stipend\n* Travel support for offsites, conferences, and team events\n\nSubzero Labs is an equal opportunity employer. We welcome applicants from all backgrounds, experiences, and perspectives.
\n\n#Benefits\n 🌎 Distributed team\n\n
\n\n#Location\nRemote

\nAragon is a team of 24 people that spans a broad range of backgrounds, interests, and geographies. We're entrepreneurs, technologists and skeptics, troublemakers and problem solvers, who are building unstoppable tooling for the creation and management of Onchain Organizations. Our mission is to enable any organization to experiment with governance at the speed of software and we envision a world where humans can coordinate by the rule of code, reducing the need for enforcement by trusted systems, often through the use of violence.\n\n\nAragon launched the first DAO framework in 2017, securing over $40 billion in assets for the likes of Lido and Curve. We are currently building Aragon OSx & App, a new and improved tech-stack supporting projects such as Polygon and Taiko.\n\n\nAs a Smart Contract Developer at Aragon, you will be joining the solutions team, where you'll be directly involved in designing and building custom integrations for clients on top of the Aragon OSx protocol.\n\n\n\n💪 What do we expect from the Smart Contract Developer?\n* Transform client needs into technical designs and production-ready code, always considering the user.\n* Lead projects from inception to live maintenance, emphasizing secure and high-quality delivery at every phase.\n* Exhibit deep expertise in Solidity, having not just deployed smart contracts but designed intricate contract architectures addressing real-world business challenges.\n* Have an understanding of Decentralized Finance (DeFi) and the workings of major DeFi protocols.  Foster enthusiastic collaboration with other product and engineering squads, further deepening everyone’s knowledge of the ever-expanding technologies of web3.\n* Engage in daily stand-ups, knowing when your expertise is critical, and step up to proactively solve your teammate’s challenges.\n* Build solutions with a strong grasp of software architecture best practices and common standards across the Ethereum ecosystem and in the Decentralized Finance space.\n\n\n\n⚠️ Minimum requisites\n* 3+ years delivering software to real users, ideally in a fast-paced startup environment\n* Expert-level Solidity experience, including the design and optimization of advanced smart contract systems\n* Strong foundation in smart contract security, with a history of successful audits and knowledge of common vulnerabilities\n* Strong working proficiency in foundry and hardhat\n* Familiarity with or contributions to Ethereum EIPs\n* Significant technical contributions to DeFi protocols with at least 8 figures in TVL\n* Fluency in typescript, and popular libraries such as Ethers (v5, v6) and viem.\n* Experience working across multiple EVM networks - sidechains, OP rollups and Zk rollups\n* Proven contributions to open-source projects within blockchain, cryptography, decentralized systems, or the broader web3 ecosystem\n* Understanding of how to work in an agile environment, using git, and tools like Linear and Github\n* Passionate about the possibilities of decentralized autonomous organizations and the impacts they may have on how humans work together to solve problems\n* Excellent English and technical communication - both written and oral\n* You are able to attend quarterly offsites - usually located in or around Europe - to work in person with your team\n\n\n\n💡 Bonus skills\n* Experience or certification in formal verification of smart contracts\n* Knowledge or hands on experience working with other parts of our stack, like NextJS, Turborepo, Envio, IPFS\n* Interest in the use of LLMs to enhance developer productivity\n* Working knowledge of advanced security tools such as HEVM, Slither, Echidna, foundry Invariant tests.\n* Demonstrated experience using Vyper, Go or Rust\n* Proven mentoring skills, fostering a culture of growth and learning within teams\n* Power user of DeFi and/or Web3 applications\n\n\n\n\n\n\nWe value freedom and responsibility among our contributors. In practice, this means that we're a remotely distributed organization that's flexible but pragmatic. The team gets together for quarterly in-person offsites where we strengthen our alignment, drive projects forward, and have fun in different locations across Europe. We will trust you to accommodate and support your team, and communicate if you ever feel stretched thin. You will get all of the resources needed to be effective, whether it’s for setting up your remote work environment or a personal development budget. You will be a part-owner of Aragon X and you are expected to work with this mentality. \n\n\nThis role reports to Aragon X, a Swiss AG dedicated to advancing the Aragon Project. We are an Equal Opportunity Employer supporting a community of DAO creators, developers, and users experimenting with new forms of social coordination and governance. \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Design, Web3, Solidity, Finance and Engineer jobs that are similar:\n\n $60,000 — $150,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n
\n\n#Location\nRemote - Europe