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¿Te apasionan las criptomonedas y el blockchain, y tienes lo necesario para destacar como Developer?
- YoutHNesT es la primera criptomoneda social que combina el poder de las memecoins con un propósito transformador: ayudar a los jóvenes a conseguir su primera vivienda. Con un concepto innovador y un enorme potencial de crecimiento, este proyecto promete no solo cambiar vidas, sino también convertirse en un referente en el mundo cripto. ¿Estás list@ para unirte a esta revolución financiera y social?
- Buscamos talento apasionado para cubrir el puesto de Developer en YoutHNesT
- Si te interesa ser parte de un proyecto innovador con impacto social, envíanos tu candidatura. ¡Juntos, estamos cambiando el futuro del acceso a la vivienda para los jóvenes!
Tareas
Tareas del Developer YoutHNesT:
- Desarrollo y Mantenimiento de la Web
- Integración Web3 & Plataforma
- Desarrollo Blockchain y Smart Contracts
- Backend y Base de Datos
- Seguridad y Optimización
- Soporte y Actualizaciones
Requisitos
Buscamos un perfil con visión y ambición para liderar, desde su ámbito, el crecimiento de YoutHNesT, la primera criptomoneda de su clase con un fuerte enfoque social. Este es un proyecto disruptivo en plena fase de expansión, donde el compromiso y la confianza serán clave. Ofrecemos una oportunidad única: trabajar a éxito a corto/medio plazo, con la garantía de que el riesgo será recompensado con una compensación altamente atractiva y proporcional al éxito alcanzado. ¿Te animas a asumir este reto y a cosechar los frutos de un proyecto con gran potencial?
Requisitos y habilidades necsarias:
- Experiencia en desarrollo blockchain: 2+ años trabajando con Solidity y contratos inteligentes (ERC-20, vesting, oráculos).
- Experiencia en Web3: Dominio de Web3.js, Ethers.js y conexión de DApps con la blockchain.
- Desarrollo Full-Stack: Experiencia con React, Next.js o Vue.js en el frontend, y Node.js, Python o PHP en el backend.
- Seguridad Blockchain & Web: Conocimiento de auditoría de smart contracts (Reentrancy, Overflows, Flash Loans) y ciberseguridad web (DDoS, CSRF, XSS).
- Experiencia en APIs y servicios Web3: Integración con MetaMask, WalletConnect, y uso de APIs como Etherscan, Chainlink, The Graph.
- Experiencia con Git & metodologías ágiles: Trabajo con GitHub/GitLab y conocimiento de Scrum/Kanban.
- Idiomas necesarios: Nivel fluido de inglés y español
Beneficios
Beneficios de trabajar en YoutHNesT
-
Oportunidad de crecimiento en una startup innovadora con un enfoque disruptivo en el sector blockchain y criptomonedas.
-
Participación en un proyecto con impacto social, ayudando a los jóvenes a acceder a su primera vivienda.
-
Trabajo remoto con flexibilidad horaria, lo que permite equilibrar vida personal y profesional.
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Alta Remuneración, con posibilidad de participar en el éxito del proyecto a través de equity o tokens.
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Ambiente dinámico y colaborativo, con un equipo comprometido en una misión de largo alcance.
-
Desarrollo profesional continuo, con oportunidades de formación y networking en el ecosistema cripto.
-
Si estás list@ para formar parte de un equipo que revolucionará el mundo de las criptomonedas y generar un cambio social real, ayudando a las nuevas generaciones a cumplir el sueño de su primera vivienda, ¡queremos conocerte! En YoutHNesT, valoramos el talento, la innovación y la pasión por dejar huella. Si compartes nuestra visión y cumples con los requisitos, envíanos tu CV y súmate a esta emocionante aventura. ¡Tu impacto comienza aquí!
Apply Now:
About Hashgraph:
Hashgraph is a fast-growing software company committed to supporting, developing and servicing Hedera, an open source, proof-of-stake platform. Hedera is EVM-compatible and has been specifically built to meet the needs of enterprise and Web3 applications, which require speed, security, stability, and sustainability. Hedera’s public network is governed by industry-leading organizations, spanning 11 sectors and 14 regions, who oversee the development and direction of the decentralized platform.
About The Role:
The Smart Contracts team is looking for a seasoned engineer who can contribute to the development of the Hedera services in both the Java and the web3 APIs in JS/TS that process smart contract transactions across the network submitted using varied web3 tools.
You may find yourself doing all of the following:
- Staying connected with the EVM ecosystem, bringing vital learnings, discussions, and applicable explorations on Hedera back to the team to improve EVM DevEx
- Implementing and enhancing the Java-based smart contract services on the Hedera network that parse byte code and process transactions submitted to the network via an EVM client
- Designing, developing, and maintaining server-side logic for back-end solutions with public APIs involving TypeScript, SQL, data ingestion, REST, GraphQL, and Web Sockets
- Applying Web3 knowledge of Solidity and EVM transactions life cycle
- Writing efficient, reusable, and reliable code to optimize for maximum speed, scalability, and system efficiency
- Exploring and unblocking web3 tool and DApp integration capabilities on Hedera, ensuring devs can continue to use their familiar tools when migrating to Hedera from other EVM chains
- Continuously discovering, evaluating, and implementing new technologies to maximize development efficiency and effectiveness
- Developing various aspects of the Hedera Hashgraph Distributed Ledger Ecosystem
- Being a strong and proficient hands-on programmer
- Spending 80% of your time designing, coding, and testing
Qualification Requirements:
- Experience with distributed open-source application development
- Excellent debugging, critical thinking, and interpersonal skills
- Knowledge of the blockchain technology ecosystem, particularly the EVM
- Expertise in the Java and JS/TS programming language and its ecosystem of libraries and tools
- Experience with smart-contract development with Solidity/Vyper, Foundry, Web3.js / Ethers.js frameworks, JavaScript/TypeScript
- Experience with Ethereum Development Suites (e.g., Harhat, Foundry, Truffle, Ganache, Tenderly)
- Experience writing secure, efficient, and gas-optimized smart contracts for decentralized applications (DApps) on EVM-compatible networks
- Understanding of Ethereum ecosystem ERC20s, ERC721s, ERC1155s, on-chain and off-chain
- Experience with Wallet integrations (MetaMask, WalletConnect, etc.): Tools and libraries for connecting Web3 applications with users' cryptocurrency wallets
- Strong understanding of RESTful API design and development
- Familiarity with test-driven software development processes and continuous integration tools and systems
- Experience with web3 tools that support development, indexing, and transaction management, such as TheGraph
- 7+ years of software development experience
- Master’s degree in Computer Science or a similar field or equivalent work experience
Other skills that are great to bring with you but that we can help you develop:
- Knowledge of the Hedera network
- Deep knowledge of and experience with the Java VM, covering its strengths and weaknesses
- 5+ years of Java experience
- Deep knowledge of and 5+ years of experience with Node JS, covering its strengths and weaknesses
- Strong grasp of Computer Science fundamentals, including concurrency, performance optimization, and reusability
- Strong engineering principles and processes aimed at developing simple, modular, testable, and high-quality code
- Familiarity with security principles, cryptographic tools and libraries
- Familiarity with high-performance architectural systems and design patterns
Apply Now:
CoW DAO
Remote
About CoW DAO
CoW DAO is on a mission to protect Ethereum users from the dangers of DeFi. It does this by supporting the development of CoW Protocol, CoW Swap, MEV Blocker, and CoW AMM, and by funding values-aligned projects through the CoW Grants Program.
CoW Protocol is the second-largest DEX aggregator by monthly volume and the first-largest intents-based exchange. MEV Blocker is currently involved in ~4% of all Ethereum transactions, making it the category leader. CoW AMM is the only live AMM that protects LPs from LVR (loss-versus rebalancing).
As a member of CoW DAO’s core team, you will have the opportunity to shape these essential products, and contribute to the Ethereum ecosystem more broadly.
About the role
Location: We are a fully remote team, and although we hire almost globally, there is a preference for this role to be based in Europe or remote +/- 4 hours CEST time
Please note we’re not hiring from the US, Australia, or New Zealand
Position: Full-time contractor
We’re looking for a passionate Senior Frontend Engineer to help take decentralized trading to the next level. You’ll take charge of our CoW DAO products and help shape what’s coming next, making sure the user experience is smooth across trading interfaces, analytics, docs, and more.
We’re after someone who’s a great communicator, loves working with a team, and is eager to learn (especially about blockchain). If you thrive on ownership, like solving problems, and are curious about the world of blockchain, this might just be the role for you.
Tech stack we work with
- Frontend: Typescript, React, styled-components
- Web3: Web3, ethersjs, Hardhat, Solidity, IPFS, TheGraph, ENS
- Testing: Jest, Cypress, React Testing Library
- Analytics: Dune Analytics, Google Analytics
What you’ll be doing
- Develop and improve user-facing applications like CoW Swap on top of the CoW Protocol
- Build and implement new features quickly, with a focus on performance, accessibility, and quality
- Decide when to create reusable abstractions and when to build one-off features, always keeping scalability and maintainability in mind
- Contribute to the product roadmap by proposing new features, sharing design ideas, and helping the team prioritize tasks
- Push the boundaries of decentralized user interfaces. Our products are hosted traditionally but also deployed on decentralized networks like IPFS/ENS, and we work with decentralized infrastructure like The Graph and Ethereum nodes
What we’re looking for
- Experience: 3+ years of professional experience building client-side web apps
- Technical skills: Expertise in front-end technologies (React, TypeScript, CSS, state management libraries like Redux, Recoil, or Jotai)
- Code quality: Ability to review and guide the team on architecture, code quality, and best practices
- Problem-solving: Strong debugging and problem-solving abilities
- Team player: Excellent communication skills and a willingness to collaborate and share knowledge
- Self-driven: You take ownership of your work and are proactive about learning and growing in your career
- Blockchain knowledge: Experience integrating frontend with smart contracts and familiarity with tools like Web3.js, Ethers.js
- Product vision: A solid understanding of the crypto DApp ecosystem, user experience, and market trends
Bonus points if you have:
- DevOps & tooling: Experience with CI/CD pipelines, testing frameworks, and deployment tools; familiarity with cloud services (AWS, GCP, etc.)
- Backend experience: Knowledge of Node.js, databases, and RESTful or GraphQL APIs
What we can offer
- Flexible work environment: Join our hub in Lisbon or work remotely
- Token plan: Have a stake in our mission and shape the future of CoW DAO
- Periodic gatherings: Enjoy opportunities to connect with the rest of the team through regular trips
- Conference allocation: Stay up-to-date with ecosystem advancements using our conference budget
- Learning budget: Use our learning budget to support your higher ambitions
- Hardware budget: Take advantage of a hardware budget for acquiring necessary equipment
- Make an impact: You are joining a startup where you can make a huge difference. Your work matters!
- Flat hierarchies mean fewer processes and bureaucracy - see more of your ideas come to life!
- Flexible work and vacation times: Prioritize work-life balance through our robust flexible work policy and vacation allowance
- Growth: If you’re someone who loves taking the initiative and getting things done, CoW offers lots of opportunities for your individual growth
Referral Program
Earn 3.000 USDC or USD with the refer-to-earn program. More details here.
Culture
Life within the CoW Protocol is an incredible adventure! We take pride in our collaborative approach, embracing autonomy and fostering a culture of big thinking and continuous growth. We value impact, ownership, simplicity, and team spirit. Plus, we’re all about feedback, coming together, and enjoying the journey along the way!
At CoW Protocol, we strive to create a space where everyone feels included and empowered. We believe that our products and services benefit from our diverse backgrounds and experiences. All qualified applicants are considered for positions regardless of race, ethnic origin, age, religion or belief, marital status, gender identification, sexual orientation, or physical ability.
Motivated
- Passionate about building world-class, performant applications that will be used by thousands.
- Excited about the potential of using web3 tech built on Ethereum and enthusiastic about the power of decentralization, neutrality, and sovereignty.
- Provide technical leadership and management skills to additional developers if need be.
- Ready to work alongside a developer team consisting of one additional developer and a product designer, alongside our broader Devconnect Team.
Qualified
- Extensive experience in full-stack web development, including familiarity with NextJS, React, Tailwind, Express/Node, Prisma, Postgres, Sqlite, but generally being able to solve problems in any part of the stack comfortably.
- A solid understanding of blockchain fundamentals, e.g. understanding Ethereum, L2’s, EVM, wallets, ERC standards, account/chain abstraction, etc.
- Hands-on experience with Ethereum App development (Viem, Wagmi, ethers.js, SIWE, WalletConnect) and UX/wallet standards. Some smart contract experience is nice to have, but not necessary
- Have developed websites and/or web apps into production
- Can consistently produce a clearly-documented and collaborative codebase (with the help of AI) that can easily integrate various stakeholders, other open-source projects, and external service providers.
- Effective while working under pressure with hard deadlines, unknown issues, rapid iteration, and a need for creative problem solving.
- Have an ownership mentality. When you take on a task, you get it done. You proactively troubleshoot problems blocking your path, and the problems blocking the paths of others.
Available
- Able to spend 40 hours per week in this role until at least Devconnect ARG in November 2025 and possibly beyond.
- Able to meet virtually (video calls) and respond to messages at varying hours of the day to accommodate a globally-located, remote team across time zones (largely based in the Americas and European time zones).
- Have a valid passport and able to travel to Argentina for Devconnect, and other community events around the world.
- Fluent in English (writing and speaking).
After 1 month in this position…
- You have familiarized yourself with the needs and requirements for Devconnect Argentina which have been largely defined by the help of the in-house Dev team, ticketing team, operations team, and yourself.
- You have contributed to the Devcon/nect monorepo to help prepare for the first phase of our website (static marketing and communication).
- You understand the various phases and contributed to the roadmap and timelines to accommodate for the different phases (announcement, event planning and curation, ticketing, etc.) and are already at work to implement or plan ahead these deliverables in a timely, swift manner.
- You understand the types of web3 enabled features we possibly plan to implement into the website (ZuPass ticketing, crypto payments, prediction markets, etc.), are familiar with our dogfooding initiatives and Devcon Improvement Proposal (DIP) process and already begun integrating these apps into the website.
- You have adopted all project management methodology, and communication tools our team uses (Notion, Figma/Zeplin, Telegram, Discord, Google Docs, etc).
- You have developed a solid relationship with the whole Devcon team, have an understanding of the various initiatives within the Devcon team, and are willing to help where you can.
Notes
- Our team and this position are fully remote (except being in-person during Devconnect).
- It will be important to be willing to have some meetings very early in the morning or late at night, as our team is all located in different time zones.
Apply Now: