Senior Full Stack Blockchain Developer
Status
London, UK
Full time
Remote
15,000
-
20,000
Monthly
180,000
-
240,000
Annual
Payment in Crypto
Role
Full-Stack Engineer
Work Experience
More than 3 years
Description
About the Role:We are seeking a talented and motivated Blockchain & Full Stack Developer to join our growing team. As a key member, you will be responsible for building and maintaining our innovative NFT marketplace platform. This role requires strong expertise in the MERN stack, Web3.js, Metamask integration, and NFT market development. Responsibilities:* Develop and maintain the front-end (React.js) and back-end (Node.js, Express.js, MongoDB) of the NFT marketplace platform.* Implement Web3.js functionalities for seamless integration with the blockchain, including: * Smart contract interaction. * Secure token management and transactions. * Metamask wallet integration for user authentication and transactions.* Design and develop robust APIs for interacting with blockchain networks and external services.* Build secure and scalable solutions for managing NFTs, including minting, listing, bidding, and purchasing.* Develop and implement innovative features to enhance the user experience and functionality of the platform.* Collaborate with designers and other developers to ensure a seamless and visually appealing platform.* Stay up-to-date with the latest advancements in blockchain technology, Web3.js, and NFT development. Qualifications:* Strong proficiency in the MERN stack (MongoDB, Express.js, React.js, Node.js).* Extensive experience with Web3.js and its applications in blockchain development.* In-depth understanding of smart contracts, token standards (ERC-20, ERC-721), and blockchain fundamentals.* Experience with Metamask wallet integration and other popular crypto wallets.* Proven track record of building and deploying successful NFT marketplace platforms or related applications.* Excellent communication, problem-solving, and analytical skills.* Ability to work independently and as part of a team. Bonus Points:* Familiarity with other blockchain platforms (Ethereum, Solana, Polygon).* Experience with front-end frameworks like Next.js or Gatsby.* Knowledge of cloud platforms like AWS or Google Cloud.* Passion for the NFT and blockchain space. We offer:* Competitive salary and benefits package.* Opportunity to work on cutting-edge blockchain projects.* Collaborative and supportive work environment.* Opportunities for professional development and growth. Apply: Please submit your resume and cover letter to salceanu@techtrovedev.com.
Skills Required
Salceanu Daniel
Website
Not specified
Country
Not specified
Description
Not specified
Status
amirhossein ashofteh
Remote Translation – English to Multilingual
Washington D.C., USA
Washington D.C., USA
Full time
Remote
Hello,
I’m a multilingual translator available for remote collaboration.
My primary working language is English, and I translate from English into:
• Persian (native)
• German
• French
• Arabic
• Italian
• Portuguese
I deliver accurate, natural translations adapted to the target audience, not word-for-word output.
I’m detail-oriented, reliable, and comfortable working with remote teams on ongoing translation tasks.
My background in web and creative fields allows me to handle website and app content effectively, ensuring translations fit properly within layouts and user interfaces.
I’m happy to complete a short test translation if required.
Payment in crypto (USDT) through LaborX works perfectly for me.
Looking forward to your reply.
I’m a multilingual translator available for remote collaboration.
My primary working language is English, and I translate from English into:
• Persian (native)
• German
• French
• Arabic
• Italian
• Portuguese
I deliver accurate, natural translations adapted to the target audience, not word-for-word output.
I’m detail-oriented, reliable, and comfortable working with remote teams on ongoing translation tasks.
My background in web and creative fields allows me to handle website and app content effectively, ensuring translations fit properly within layouts and user interfaces.
I’m happy to complete a short test translation if required.
Payment in crypto (USDT) through LaborX works perfectly for me.
Looking forward to your reply.
Payment in Crypto
Lumixion.io
Frontend Web3 Engineer | React | Solidity, Ethereum, Solana
Remote, USA
Remote, USA
Full time
Remote
About the RoleWe are seeking a React Web3 Developer to build decentralized applications and integrate smart contracts across multiple blockchain platforms. Candidates may have experience with Solana, Ethereum, Solidity, or similar smart contract technologies.ResponsibilitiesDevelop and maintain Web3 applications using ReactIntegrate and interact with smart contracts on various blockchainsImplement wallet connections and on-chain interactionsCollaborate with product and blockchain teamsWrite clean, secure, and well-documented codeRequirementsStrong experience with React and modern frontend developmentExperience with any smart contract platform (Solana, Ethereum, Solidity, or similar)Familiarity with Web3 libraries (ethers.js, web3.js, wagmi, etc.)Solid understanding of blockchain fundamentals and dApp architectureAbility to work independently with strong communication skillsPreferredExperience with DeFi, NFT, or multi-chain applicationsFull-stack Web3 experienceHiring ProcessTechnical TaskShortlisted candidates will be given access to a public repository. The task is to:Review the codebase and suggest improvements and optimizationsShare recommendations and best practices based on the existing implementationInclude screenshots of the terminal and browser as references where applicableSubmissions must be shared as:A Google Docs link, orA PDF documentTechnical Interview with CTOA detailed technical interview will be conducted with our CTO. Topics will include:In-depth discussion of the candidate’s understanding of the reviewed codebaseApproach to development challenges and best practicesCultural and Work Environment Interview with CEOThe final stage involves a meeting with the CEO to evaluate:Cultural fit within the companyWork ethic and attitudeAlignment with company values and visionExpectations regarding work environment and team collaboration
Payment in Crypto
XanaNetworo
Crypto Outreach Hunter – High Commission (Remote)
Full time
Remote
XanaNetwork (@xananetwork) is hiring 5–8 outreach hunters. We just relaunched — same core team with a track record of multi-hundred-million caps and six-figure holder bases. Your job:• Send 300–600 high-quality cold DMs per day on Twitter (DexScreener, Pump.fun, new launches)• Get warm replies → we close Pay (performance-first):• $800–$1,200 USD monthly base• + $1,500–$4,000 bonus per signed client• Top hunters clear $8k–$15k+/mo on commission• Paid trial $100 flat — first 8 who hit 5+ warm replies get hired No experience needed — we’ll train hungry people. Apply → DM @mainnetmike on Twitter with:1. How many DMs you can send daily2. Why you want the role Hungry & coachable only.
Payment in Crypto
John Paulson
Data Analyst
Full time
Remote
Bachelor’s degree in Data Science, Statistics, Mathematics, Computer Science, Economics, or a related quantitative field.Strong analytical and problem-solving skills with the ability to interpret complex datasets.Proficiency in SQL and experience working with relational databases.Solid knowledge of Python (Pandas, NumPy) or R for data analysis and automation.Experience building dashboards or visualizations using Tableau, Power BI, Looker, or similar tools.Understanding of statistical methods, A/B testing, and data modeling techniques.Ability to clearly communicate insights to both technical and non-technical stakeholders.Familiarity with Web3, blockchain metrics, on-chain data, and crypto ecosystems is a strong advantage.Ability to work independently, manage multiple tasks, and deliver on deadlines.Good written and spoken English.
Peeter Luik
Software Developer
Part time
Remote
I’m actively looking for a native Russian speaker who can expertly conduct or participate in job interviews—especially those requiring strong communication, technical understanding, and professional presence. This person should feel at ease discussing software engineering, or related topics, while also being able to assess a candidate’s clarity, depth, and overall fit. If you’re a fluent Russian speaker with the confidence and experience to shine in a technical interview setting, I’d be excited to connect and explore the opportunity with you.
Payment in Crypto