Senior Blockchain Dev at Lemon.io - Remote Worldwide — Columbus
Traveler-Friendly Insight
Lemon.io is a strong fit for digital nomads — this is one of the most travel-compatible work models available. You're matched to startup contracts rather than being a direct employee, meaning you retain full location flexibility as long as you can communicate effectively.
Async-friendly by design: The posting explicitly states that async communication or minimal timezone overlap is supported. This means you are not locked to fixed hours, making it viable to work from virtually any timezone — whether you're in Southeast Asia, Eastern Europe, or South America.
Visa considerations: Because this is a contractor/freelance engagement, many popular nomad destinations have suitable options:
- Portugal: Digital Nomad Visa (D8) — ideal for long-term stays, especially given many EU startup clients.
- Thailand: LTR Visa (Long-Term Resident) or back-to-back tourist visas — very affordable CoL for senior-level contract rates.
- Colombia (Medellín): Digital Nomad Visa available; cost of living ~$1,500–2,500/month, leaving significant savings potential.
Cost of living perspective: Without a published salary, exact comparisons are hard, but Lemon.io reports $11M+ paid to engineers — senior blockchain rates on such platforms typically range $60–120/hr. At those rates, Lisbon (~$2,500/mo expenses), Bangkok (~$1,500/mo), and Medellín (~$1,800/mo) all offer excellent purchasing power.
No travel perks (coworking stipend, equipment budget) are mentioned — this is a marketplace model, so negotiate any such extras directly with matched clients.
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:
- Competitive rates based on your seniority level, skills, and experience. Lemon.io has already paid out over $11M to engineers.
- No more hunting for clients or negotiating rates — we handle the business side so you can focus on what you do best.
- We manually match you with the best project based on your skills and preferences.
- Flexible scheduling — communicate async or with minimal overlap within team working hours.
- No micromanagement or screen trackers. We respect your seniority.
- Direct communication with clients, most of whom have technical backgrounds.
- Full support from application through all stages of cooperation.
- Most projects involve fast-paced startup environments.
- Access to a community of top developers from 75+ countries.
We are currently looking for Senior Blockchain Developers for different projects across three specializations:
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 (all tracks):
- Strong technical skills: ability to create projects from scratch with a deep understanding of application architecture.
- English communication: advanced ability to discuss business tasks, justify decisions, communicate issues, and present yourself well on client calls.
- Self-organization: ability to work full-time remotely without supervision.
- Reliability: we expect you to be dependable to both Lemon.io and the client.
- Adaptability: ability to onboard new projects quickly and start delivering results fast.
We have a wide variety of projects. If you have 4+ years of commercial software development experience and are proficient in any of the following, we'd love to connect with you: 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.
Please note: Lemon.io does not provide visa assistance, and this cooperation model does not include 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).
Frequently Asked Questions
Is this a full-time remote position or freelance contract?
What timezone do I need to work in?
Which blockchain specializations are currently in demand?
How much can I earn through Lemon.io?
Which countries are eligible to work through Lemon.io?
