Senior Backend Developer
Status
Europe
Full time
Remote
Compensation is not specified
Role
Backend Engineer
Description
Company Overview:
Join a leading Blockchain Gaming Launchpad and Incubation Ecosystem that is driving innovation in the gaming, blockchain, and Web3 industries. The mission is to support project developers and innovators through funding, community building, and a comprehensive support system, shaping the future of gaming and blockchain technology.
Key Responsibilities:
- Lead backend services development and maintenance using Node.js, TypeScript, and JavaScript, focusing on clean, efficient, and scalable code.
- Design and manage RESTful APIs, integrate third-party APIs, and support business processes and data exchange.
- Manage databases (SQL and NoSQL), including design, development, optimization, and ensuring data integrity and security.
- Monitor and optimize application performance, especially server-side logic, database interactions, blockchain interactions, and frontend integration.
- Conduct code reviews, enforce coding standards, implement unit and integration tests, and maintain high-quality code.
- Collaborate with frontend developers to integrate user-facing elements with server-side logic.
- Troubleshoot and debug applications, providing effective solutions for minimal downtime.
- Utilize DevOps practices, continuous integration, continuous deployment, and cloud services like AWS.
- Implement security measures, data protection, and authentication mechanisms.
- Provide technical leadership, mentorship, and drive a collaborative team environment.
- Stay current on emerging technologies, apply knowledge to improve systems, and focus on scalability and maintenance.
- Maintain comprehensive documentation of developed systems.
Team Structure:
Integral part of a multi-disciplinary product development team, working with engineers, designers, product owner, and subject matter experts in a fully remote, global, and agile work environment.
Company Culture:
Promotes user-centric development and continuous improvement in product development.
Career Development Opportunities:
Potential for rapid growth into more technical or managerial roles.
Location:
Remote position with flexible timezone within 9AM-10PM (UTC time).
Requirements:
- 4+ years of software engineering experience.
- Proficiency in back end development with Typescript/Javascript, REST APIs, Express or NestJS, NoSQL and SQL databases.
- Interest in the Web3 ecosystem, user-centric development, and technical leadership skills.
Desirable:
- Knowledge of Web3 ecosystem, blockchain, payment platforms, AWS infrastructure, and Bachelor's degree in computer science or related field.
Benefits:
- 21 days of annual holidays plus local bank holidays.
- Sick days.
- Budget for training/courses.
- Budget for work equipment purchase like laptops.
Skills Required
Seedify
Website
seedify.fundCompany size
Not specified
Location
Singapore
Description
Not specified
Status
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
Abbey Web3
Futures Trading KOL
Part time
Remote
A new centralized Exchange is currently Recruiting Futures Trading KOL.
KOL TRADER BENEFIT PACKAGE
1. We will offer you a 45% rebate commission.
2. Trading funds into your account, to start trading.
3. We are offering a one time upfront fee. This fee is released in parts based on your weekly trading volume for a period of 4weeks. We expect a weekly trading volume of $2,500,000 weekly. If your weekly volume falls below the target, you still receive a proportional payout plus your 45% rebate commission. The upfront fee applies only in the first month. From the second month onward, you earn only on the 45% rebate commission.
4. Your community receives a signup bonus when they join and trade.
5. You get full 24 7 customer support.
6. You get priority access to crypto events based on your trading volume performance.
With these Offer:
-You make profit from your trading funds and withdraw it anytime.
- You received your weekly fee as agreed.
- You still get your rebate commission from your followers trade.
Feel free to reach out with the trading volume you have, we are ready to cooporate.
You can reach out to us on TG: @Abbey_Blockchain
KOL TRADER BENEFIT PACKAGE
1. We will offer you a 45% rebate commission.
2. Trading funds into your account, to start trading.
3. We are offering a one time upfront fee. This fee is released in parts based on your weekly trading volume for a period of 4weeks. We expect a weekly trading volume of $2,500,000 weekly. If your weekly volume falls below the target, you still receive a proportional payout plus your 45% rebate commission. The upfront fee applies only in the first month. From the second month onward, you earn only on the 45% rebate commission.
4. Your community receives a signup bonus when they join and trade.
5. You get full 24 7 customer support.
6. You get priority access to crypto events based on your trading volume performance.
With these Offer:
-You make profit from your trading funds and withdraw it anytime.
- You received your weekly fee as agreed.
- You still get your rebate commission from your followers trade.
Feel free to reach out with the trading volume you have, we are ready to cooporate.
You can reach out to us on TG: @Abbey_Blockchain
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
Chi Ng.
Global Business Development Manager (KOL Partnerships) - LATAM
San Miguel, El Salvador +2
San Miguel, El Salvador +2
Full time
Remote
BingX is a leading global crypto exchange founded in 2018, serving over 20 million users with spot, futures, copy trading, and asset management services. We’re looking for a Business Development Manager to grow and manage KOLs, agents, and project partnerships, driving user acquisition and trading volume across global markets. Requirement: experience in crypto, influencer partnerships, and market development, with strong communication skills in English and Spanish. Note: Please include key achievements/past performance data in your resume (e.g., trading volume, regions managed, languages spoken, KOLs region). Apply here or check my profile for more information.
Payment in Crypto
Chi Ng.
Global Business Development Manager (KOL Partnerships) - MENA
Cairo, Egypt +5
Cairo, Egypt +5
Full time
Remote
BingX is a leading global crypto exchange founded in 2018, serving over 20 million users with spot, futures, copy trading, and asset management services. We’re looking for a Business Development Manager to grow and manage KOLs, agents, and project partnerships, driving user acquisition and trading volume across global markets. Requirement: experience in crypto, influencer partnerships, and market development, with strong communication skills in English and Arabic. Note: Please include key achievements/past performance data in your resume (e.g., trading volume, regions managed, languages spoken, KOLs region). Apply here or check my profile for more information.
Payment in Crypto