Senior Software Engineer (Backend & API Services)
Singapore
Full time
Office
Compensation is not specified
Role
Software Engineer
Description
Update
At Headquarters (HQ.xyz), we are dedicated to transforming how Web3 Teams handle their financial activities using blockchain innovations. We aim to bring forth a paradigm shift in how businesses manage their financial operations by offering a platform where companies can configure their FinOps setups with ease. Our working environment mirrors that of a high-performing sports team, comprising motivated individuals striving towards a shared objective. We strongly emphasize empathy and humility in our interactions within the company.
Key Responsibilities:
In the role of Senior Software Engineer within the Backend & API Services Team, you will have the chance to tackle complex challenges currently faced by the team. For instance, we are actively reimagining approaches to multi-factor authentication for crypto wallets to enhance user experience. We seek individuals enthusiastic about developing products and tools, adept at handling various project components.
- Collaborate closely with the Product Team to introduce valuable features for our users
- Manage delivery responsibilities from concept to deployment
- Create resilient APIs, libraries, and tools to support critical user services
- Provide guidance to software engineers, establishing standards for HQ's future engineers (Note: This is an Individual Contributor position)
- Identify and prioritize enhancements for the team's processes, codebases, and best practices proactively
Required Skills and Experience:
- Proficiency in Typescript & NestJS
- Experience with deploying production applications using Web3 technologies like block explorers and smart contracts
- Hands-on expertise in crafting scalable APIs
- Thorough comprehension of web application operation encompassing security, session management, and development best practices
- Proficient in deploying and maintaining production systems
- Sound understanding of the development life cycle
- Familiarity with micro-services, cloud computing, DevOps practices, relational databases, SQL, and GraphQL
- Strong written and verbal communication skills along with excellent interpersonal abilities
- Capable of making tech-oriented decisions using data insights for architectural planning and project prioritization
- Bonus for previous industry experience or startup exposure
Minimum Requirements:
- 5-7 years experience in launching APIs and Backend Services in a production setting
Skills Required
hq.xyz
Website
www.hq.xyzCompany size
Not specified
Location
United States
Description
Not specified
Eddie Sproule
Founder Success Manager (Web3)
Full time
Remote
Company: Nomea VC
Location: Remote
Employment Type: Full-time
Level: Middle
🌐 About Nomea VC
Nomea VC is a blockchain-focused venture fund investing in early-stage Web3, DeFi, and infrastructure startups. Beyond capital, we actively support founders with strategy, execution, and access to a global network.
🎯 Responsibilities
Act as the primary point of contact for founders across the portfolio
Support founders with non-investment needs: hiring, tooling, GTM, vendors
Coordinate introductions to mentors, advisors, and ecosystem partners
Organize founder check-ins, office hours, and internal syncs
Collect feedback from founders to improve portfolio support processes
Help standardize post-investment support playbooks
Work closely with investment, research, and marketing teams
✅ Requirements
2–4 years of experience in startups, VC, accelerators, or founder-facing roles
Strong communication and relationship-building skills
Solid understanding of startup operations and early-stage challenges
High level of ownership, empathy, and problem-solving ability
Comfort working in a remote, fast-moving environment
English — Upper-Intermediate or higher
➕ Nice to Have
Experience working directly with startup founders
Familiarity with Web3 / blockchain ecosystems
Background in operations, community, or program management
Network within startup, VC, or Web3 communities
💡 What We Offer
A front-row seat to early-stage Web3 building
Direct impact on founder outcomes and portfolio success
Fully remote setup with flexible working hours
Competitive compensation
High-autonomy role in a lean, founder-first VC team.
📩 How to Apply
Send your resume and a short note on why you enjoy working with founders
Location: Remote
Employment Type: Full-time
Level: Middle
🌐 About Nomea VC
Nomea VC is a blockchain-focused venture fund investing in early-stage Web3, DeFi, and infrastructure startups. Beyond capital, we actively support founders with strategy, execution, and access to a global network.
🎯 Responsibilities
Act as the primary point of contact for founders across the portfolio
Support founders with non-investment needs: hiring, tooling, GTM, vendors
Coordinate introductions to mentors, advisors, and ecosystem partners
Organize founder check-ins, office hours, and internal syncs
Collect feedback from founders to improve portfolio support processes
Help standardize post-investment support playbooks
Work closely with investment, research, and marketing teams
✅ Requirements
2–4 years of experience in startups, VC, accelerators, or founder-facing roles
Strong communication and relationship-building skills
Solid understanding of startup operations and early-stage challenges
High level of ownership, empathy, and problem-solving ability
Comfort working in a remote, fast-moving environment
English — Upper-Intermediate or higher
➕ Nice to Have
Experience working directly with startup founders
Familiarity with Web3 / blockchain ecosystems
Background in operations, community, or program management
Network within startup, VC, or Web3 communities
💡 What We Offer
A front-row seat to early-stage Web3 building
Direct impact on founder outcomes and portfolio success
Fully remote setup with flexible working hours
Competitive compensation
High-autonomy role in a lean, founder-first VC team.
📩 How to Apply
Send your resume and a short note on why you enjoy working with founders
Payment in Crypto
lucas martin
Senior Web3 / Crypto Trading Platform Developer
Full time
Remote
PumaPulse is launching a new standalone domain focused on building professional-grade crypto trading platforms and on-chain trading tools. We are seeking an experienced freelance Web3 developer to help design, build, and evolve a scalable trading product with commercialization potential.ResponsibilitiesDevelop crypto trading tools, bots, or SaaS platformsIntegrate with DEXs and on-chain protocols (e.g., Solana, Ethereum)Implement real-time blockchain data monitoring and trade executionEnsure security, performance, and MEV-aware designCollaborate on product roadmap, strategy, and future featuresRequirementsStrong experience in Web3 and DeFi developmentProven work with crypto trading bots or on-chain trading systemsExperience with at least one major blockchain ecosystemSolid understanding of smart contract interaction and security best practicesAbility to deliver production-ready code and communicate clearlyNice to HaveExperience productizing tools into SaaS platformsBackground in advanced trading strategies or MEVPrior work with VC-backed or early-stage Web3 projectsEngagementFreelance / contract roleCompetitive compensation based on experiencePotential for long-term collaborationApply with relevant Web3 projects, GitHub links, and availability.
Payment in Crypto
Austin Smart
Fullstack Developer Needed for Web3 Prediction Market Platform
Brooklyn, USA
Brooklyn, USA
Full time
Remote
Summary
We're looking for an experienced Blockchain / Full-Stack Developer to help build a production-ready MVP for a Web3 prediction marketplace.
We’ve already built a basic UI prototype using vibe coding. The goal now is to turn this prototype into a functional, scalable dApp with clean architecture and solid Web3 fundamentals.
This is not a tutorial or experimental project — We’re looking for someone who has real experience shipping blockchain/web3 products.
What You’ll Do
Review and improve an existing UI prototype
Build smart contract logic for a prediction marketplace MVP
Integrate blockchain functionality with the frontend
Develop backend / API logic as needed
Ensure clean, maintainable, production-ready code
Collaborate on product decisions and MVP scope
Tech Stack (Preferred)
Frontend: Next.js / React
Backend: Node.js
Blockchain: Solidity / Rust
Experience with non-EVM chains is a plus (open to discussion)
What We're Looking For
- Strong experience in Blockchain & Web3 development
- Proven ability to build production-ready dApps
- Proficiency in Next.js, React, and Node.js
- Experience designing and shipping MVPs
- Good communication and ability to work independently
Nice to Have
- Previous work on prediction markets, DeFi, or marketplaces
- Experience taking projects from prototype to launch
- Performance, security, and scalability mindset
How to Apply
Please include:
- A brief summary of your Web3 experience
- Links to previous dApps or blockchain projects
- Your preferred tech stack and availability
If you’re an expert in blockchain and Web3 and enjoy building real products from early prototypes, We’d love to hear from you.
We're looking for an experienced Blockchain / Full-Stack Developer to help build a production-ready MVP for a Web3 prediction marketplace.
We’ve already built a basic UI prototype using vibe coding. The goal now is to turn this prototype into a functional, scalable dApp with clean architecture and solid Web3 fundamentals.
This is not a tutorial or experimental project — We’re looking for someone who has real experience shipping blockchain/web3 products.
What You’ll Do
Review and improve an existing UI prototype
Build smart contract logic for a prediction marketplace MVP
Integrate blockchain functionality with the frontend
Develop backend / API logic as needed
Ensure clean, maintainable, production-ready code
Collaborate on product decisions and MVP scope
Tech Stack (Preferred)
Frontend: Next.js / React
Backend: Node.js
Blockchain: Solidity / Rust
Experience with non-EVM chains is a plus (open to discussion)
What We're Looking For
- Strong experience in Blockchain & Web3 development
- Proven ability to build production-ready dApps
- Proficiency in Next.js, React, and Node.js
- Experience designing and shipping MVPs
- Good communication and ability to work independently
Nice to Have
- Previous work on prediction markets, DeFi, or marketplaces
- Experience taking projects from prototype to launch
- Performance, security, and scalability mindset
How to Apply
Please include:
- A brief summary of your Web3 experience
- Links to previous dApps or blockchain projects
- Your preferred tech stack and availability
If you’re an expert in blockchain and Web3 and enjoy building real products from early prototypes, We’d love to hear from you.
Payment in Crypto
Eddie Sproule
Head of Content & Research (Web3)
Full time
Remote
🚀 Job Opening: Head of Content & Research (Web3)
Company: Nomea VC
Location: Remote
Employment Type: Full-time / Contract
Level: Senior
🌐 About Nomea VC
Nomea VC is a blockchain-focused venture capital fund investing in Web3, DeFi, infrastructure, and emerging on-chain technologies. We believe strong research and high-quality content are key to building long-term trust with founders, partners, and LPs.
🎯 Responsibilities
Own and execute Nomea VC’s content and research strategy
Produce and oversee high-quality Web3 research, insights, and thought leadership
Translate complex technical and on-chain concepts into clear narratives
Collaborate with investment team on research-driven content
Build and manage an editorial calendar (reports, essays, threads, newsletters)
Support brand positioning and visibility across X, blogs, and ecosystem channels
Coordinate with external writers, researchers, and contributors
✅ Requirements
4+ years of experience in Web3, crypto research, content, or related fields
Strong understanding of blockchain, DeFi, and crypto markets
Excellent writing and storytelling skills in English
Ability to synthesize complex data into actionable insights
Experience building content strategies or leading editorial initiatives
Self-driven, structured, and comfortable working remotely
➕ Nice to Have
Background in crypto research firms, media, or VC
Experience with on-chain analytics tools (Dune, Nansen, etc.)
Personal brand or writing presence in Web3 (X, Substack, Medium)
Experience mentoring junior researchers or writers
💡 What We Offer
Strategic role shaping the public voice of a Web3 VC fund
Full ownership over content and research direction
Remote-first, flexible work environment
Competitive compensation (crypto-friendly)
Direct collaboration with investors and portfolio founders
High visibility and long-term impact
📩 How to Apply
Please send your resume and writing samples (or links) with the subject line:
Head of Content & Research – Nomea VC
Company: Nomea VC
Location: Remote
Employment Type: Full-time / Contract
Level: Senior
🌐 About Nomea VC
Nomea VC is a blockchain-focused venture capital fund investing in Web3, DeFi, infrastructure, and emerging on-chain technologies. We believe strong research and high-quality content are key to building long-term trust with founders, partners, and LPs.
🎯 Responsibilities
Own and execute Nomea VC’s content and research strategy
Produce and oversee high-quality Web3 research, insights, and thought leadership
Translate complex technical and on-chain concepts into clear narratives
Collaborate with investment team on research-driven content
Build and manage an editorial calendar (reports, essays, threads, newsletters)
Support brand positioning and visibility across X, blogs, and ecosystem channels
Coordinate with external writers, researchers, and contributors
✅ Requirements
4+ years of experience in Web3, crypto research, content, or related fields
Strong understanding of blockchain, DeFi, and crypto markets
Excellent writing and storytelling skills in English
Ability to synthesize complex data into actionable insights
Experience building content strategies or leading editorial initiatives
Self-driven, structured, and comfortable working remotely
➕ Nice to Have
Background in crypto research firms, media, or VC
Experience with on-chain analytics tools (Dune, Nansen, etc.)
Personal brand or writing presence in Web3 (X, Substack, Medium)
Experience mentoring junior researchers or writers
💡 What We Offer
Strategic role shaping the public voice of a Web3 VC fund
Full ownership over content and research direction
Remote-first, flexible work environment
Competitive compensation (crypto-friendly)
Direct collaboration with investors and portfolio founders
High visibility and long-term impact
📩 How to Apply
Please send your resume and writing samples (or links) with the subject line:
Head of Content & Research – Nomea VC
Payment in Crypto
Emir Hammami
Looking for a blockchain developer
Whiteman Air Force Base, USA
Whiteman Air Force Base, USA
Full time
Remote
We are looking for a skilled Full-Stack Blockchain Developer to help maintain, improve, and extend the RaiseHive platform. This role involves working across the frontend, backend, and smart contract layers to ensure a stable, secure, and scalable Web3 application.
The ideal candidate has hands-on experience with React, Node.js, Ethereum smart contracts, and real-world Web3 integrations.
Framework: React 18.2 (Vite 3)
Styling: Tailwind CSS 3.4, NextUI
Animations: Framer Motion
Web3: Thirdweb SDK v4, Ethers.js v5
Routing: React Router DOM v6
State Management: React Context API
Libraries: React Markdown, React Image Gallery, Replyke (comments), React Toastify
Runtime: Node.js
Framework: Express.js
Database: MongoDB Atlas (Mongoose ODM)
Email: Nodemailer
Scheduling: Node-cron
Logging: Pino
Network: Ethereum
Smart Contracts: Solidity ^0.8.19
Development Tools: Hardhat
Libraries: OpenZeppelin, Thirdweb Contracts
Wallet Integration: MetaMask
Frontend
Strong proficiency in React (hooks, context, routing)
Experience with Vite or modern build tools
Solid knowledge of Tailwind CSS and responsive design
Experience using component libraries (NextUI, Material UI, etc.)
Backend
Strong experience with Node.js and Express
Proficiency with MongoDB and Mongoose
REST API design and implementation
Environment configuration and deployment awareness
Blockchain & Web3
Hands-on Ethereum development experience
Solidity smart contract development
Experience with Ethers.js / Thirdweb SDK
Understanding of smart contract security and gas optimization
MetaMask wallet integration and transaction handling
General
JavaScript (ES6+)
Git version control
Async programming and debugging skills
Strong problem-solving ability
The ideal candidate has hands-on experience with React, Node.js, Ethereum smart contracts, and real-world Web3 integrations.
Framework: React 18.2 (Vite 3)
Styling: Tailwind CSS 3.4, NextUI
Animations: Framer Motion
Web3: Thirdweb SDK v4, Ethers.js v5
Routing: React Router DOM v6
State Management: React Context API
Libraries: React Markdown, React Image Gallery, Replyke (comments), React Toastify
Runtime: Node.js
Framework: Express.js
Database: MongoDB Atlas (Mongoose ODM)
Email: Nodemailer
Scheduling: Node-cron
Logging: Pino
Network: Ethereum
Smart Contracts: Solidity ^0.8.19
Development Tools: Hardhat
Libraries: OpenZeppelin, Thirdweb Contracts
Wallet Integration: MetaMask
Frontend
Strong proficiency in React (hooks, context, routing)
Experience with Vite or modern build tools
Solid knowledge of Tailwind CSS and responsive design
Experience using component libraries (NextUI, Material UI, etc.)
Backend
Strong experience with Node.js and Express
Proficiency with MongoDB and Mongoose
REST API design and implementation
Environment configuration and deployment awareness
Blockchain & Web3
Hands-on Ethereum development experience
Solidity smart contract development
Experience with Ethers.js / Thirdweb SDK
Understanding of smart contract security and gas optimization
MetaMask wallet integration and transaction handling
General
JavaScript (ES6+)
Git version control
Async programming and debugging skills
Strong problem-solving ability
Payment in Crypto