IT y programación
Senior Blockchain Developer - vacante remota
Lemon.io
Senior Blockchain Developer - IT y programación, remoto
La empresa Lemon.io busca cubrir el puesto de Senior Blockchain Developer: es un puesto senior, así que la empresa espera que las decisiones las tome usted. La vacante pertenece al área de IT y programación y es totalmente remota. La empresa contrata a personas que residen en Europa.
Las herramientas principales que nombra el anuncio son: React, Node.js. El CV debería mostrar ejemplos concretos justo de esas capacidades.
La empresa no publicó ninguna cifra, eso se aclara en la entrevista. La empresa pide que el horario se solape con el del equipo, lo que exige un plan acordado de antemano.
Esta vacante pasó una revisión automática: los anuncios que exigen un permiso de trabajo extranjero, patrocinio de visa, una nacionalidad concreta o residencia en un país determinado no entran en la lista.
En resumen
- Empresa
- Lemon.io
- Área
- IT y programación
- Quién puede postular
- Desde cualquier país de Europa
- Modalidad
- Totalmente remoto
- Nivel
- Senior
- Herramientas
- React, Node.js
- Publicada
- 11 de agosto de 2026 (hace 13 días)
- Activa
- hasta el 20 de septiembre de 2026
- Fuente
- Working Nomads
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Descripción de la empresa
Are you a talented Senior Developer looking for a remote job that lets you showcase your skills and earn competitive compensation? Look no further than Lemon.io - the marketplace that connects you with hand‑picked startups in the US and Europe.
What we offer:
* The rate depends on your seniority level, skills and experience. We've already paid out over $11M to our engineers.
* No more hunting for clients or negotiating rates - let us handle the business side of things so you can focus on what you do best.
* We'll manually find the best project for you according to your skills and preferences.
* Choose a schedule that works best for you. It’s possible to communicate async or minimally overlap within team working hours.
* We respect your seniority so you can expect no micromanagement or screen trackers.
* Communicate directly with the clients. Most of them have technical backgrounds. Sounds good, yeah?
* We will support you from the time you submit the application throughout all cooperation stages.
* Most of our projects involve working in a fast-paced startup environment. We hope you like it as much as we do.
* Through our community, we will connect you with the best developers from more than 75 countries.
We are currently looking for Senior Blockchain Developers for different projects.
Requirements - Senior Blockchain Developer with Web3.js/Ethereum/Ethers.js/Wagmi/Viem:
* 4+ years of software development experience.
* 3+ years of Ethereum/Web3.js/Ethers.js/Wagmi/Viem ecosystem expertise (required).
* Experience with React and Node.js, including at least 2 commercial projects.
Requirements - Senior Blockchain Developer with Solana:
* 4+ years of software development experience.
* 2+ years of expertise in Solana (required).
* Experience with Smart contracts is a must.
Requirements - Senior Blockchain Developer with Solidity:
* 4+ years of software development experience.
* 3+ years of expertise in Solidity (required).
* Experience with Smart contracts is a must.
Other requirements:
* Strong technical skills: as a Senior Developer, you are expected to be able to create projects from scratch and have a deep understanding of application architecture.
* Clear and effective communication in English - advanced ability to discuss business tasks, justify decisions, and communicate issues. Good self-presentation is also essential for upcoming client calls.
* Strong self-organizational skills - ability to work full-time remotely with no supervision.
* Reliability - we want to trust you and expect that you won’t let us and the client down.
* Adaptability and Flexibility - the ability to onboard the project promptly after accepting it and start delivering results quickly.
We have a variety of projects, so if you have 4+ years of commercial software development experience and are proficient in AI Agent Architecture, AI Automation Architecture, AI Engineering, Site Reliability Engineering, Platform Engineering, React & Python, React & Golang, Golang, React & Java, React & Ruby, Ruby, PHP & Vue, Vue & Node.js, React & .NET, Android & iOS, iOS & Swift, Flutter & Dart, Angular & Node.js, Vue & .NET, Python & Vue, DevOps, MLOps, Data Science, Angular & PHP, Angular & .NET, Symfony & React, Symfony & Vue, Symfony & Angular, Python, Symfony & JavaScript & Next.js & TypeScript, Data Analysis, React & PHP, Data Engineering, Project Management, Product Management, QA Automation, QA Manual, Embedded Software Engineering, React Native & Node, React Native & React, React Native & Ruby, React Native & Python, WordPress, Android, Data Annotation, Angular, Python & Node, React & Node.js, Java & Spring, Svelte & Python, Svelte & Node.js, Svelte & TypeScript, Rust, Shopify & JavaScript, Vue & Nuxt, PHP & Laravel, UI/UX Design, Animation, Graphic Design, React & Node & React Native, .NET & C#, Electron, Scala, C++, Unreal Engine & C++, Python & LLM, Unity, or Machine Learning Engineering, we would be happy to connect with you and match you with a project that fits your experience.
We do not provide visa assistance, and our cooperation model does not include the benefits typically offered with direct hire.
We work with developers from 75+ countries across Europe, Latin America, North America (the U.S. and Canada), selected countries in Asia (Japan, Singapore, South Korea, the Philippines, Indonesia, Malaysia, Vietnam, Thailand, and Israel), Oceania (Australia, New Zealand, and Papua New Guinea), and Africa (including Morocco and South Africa).
El texto se conserva en el idioma original de la empresa, porque en ese mismo idioma se postulará usted.
Preguntas frecuentes sobre esta vacante
¿Puedo postularme al puesto de Senior Blockchain Developer desde donde vivo?
Sí. Para esta vacante, Lemon.io acepta candidatos de cualquier país de Europa, así que usted no necesita un permiso de trabajo de otro país. El anuncio pasó una revisión automática: si la empresa hubiera exigido un permiso de trabajo, patrocinio de visa o residencia en un país determinado, no estaría en este tablón.
¿Qué remuneración se indica?
Para esta vacante, Lemon.io no publicó ninguna cifra. La mayoría de los anuncios remotos no publica un monto: se acuerda en la entrevista.
¿Cómo me postulo?
Usted se postula directamente ante la empresa, a través del anuncio original publicado en Working Nomads. Donator no recibe candidaturas, no cobra comisión y no guarda ningún CV.
¿Qué tipo de vacante es esta?
Un puesto totalmente remoto en el área de IT y programación. Los anuncios híbridos y todo lo que exija presencia en la oficina no se publican en este tablón.
Certificados gratuitos para esta vacante
Este anuncio pide React, Node.js. Abajo están las credenciales gratuitas que cubren justo esas herramientas.
Developer certificates (10+ tracks)
certificatefreeCodeCamp · ~300 h
A non-profit; a card is never requested. The certificate is issued after five projects are submitted and pass.
moderate weightGraph Developer Associate
exam is free tooApollo GraphQL · ~8 h
GraphQL's official associate level, free including the exam.
moderate weightApplied Skills (scenario-based credentials)
exam is free tooMicrosoft · ~1 h
Microsoft's only free verifiable credential: a lab task in 30-45 minutes, with no proctor, no ID check and no card. Retakes are allowed.
It has to be finished in one session; there is no save and resume.
strong brandOCI Foundations Associate
exam is free tooOracle · ~12 h
A rare case where the certification exam itself is free and needs no Pearson VUE: you sit it inside MyLearn. Take the 2026 track, not the 2025 one.
Oracle's pages load via JS; confirm the $0 on the final step of registration.
strong brandValid: 18-24 months
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