Application Security Engineer (AppSec)
Full time
Remote
Compensation is not specified
Role
Security Engineer
Description
Job Role: Core Developer - Polkadot Runtime
Parity, as a leader in the Polkadot and Substrate ecosystem, is dedicated to shaping a decentralized web that values individual freedom and data while enabling developers to innovate. The organization's drive is to establish a reality that prioritizes honest interactions over blind trust in the digital realm.
Parity stands out as a highly skilled blockchain infrastructure entity, known for spearheading cutting-edge advancements within the blockchain industry.
With a globally distributed remote team, Parity focuses on creating open-source technologies for developers and businesses to adopt and enhance. The Web3 technology stack comprises Polkadot, Substrate, and Kusama.
Key Attributes of Team Members:
- Display high motivation aligned with Parity’s mission.
- Thrive on challenging, innovative projects.
- Demonstrate autonomy balanced with effective collaboration.
- Embrace accountability and minimize ego at work.
- Adapt to the dynamic Web3 landscape with ease.
- Have a strong commitment to continuous learning within Parity and the broader ecosystem.
About the Polkadot Runtime Team:
The Polkadot Runtime team's duties encompass managing the business logic of Polkadot along with developing accompanying tools. This involves work on various areas like FRAME macros, XCM messaging formats, application bridges, and system architecture.
About the Role:
We are seeking new engineers to join the team with a focus on XCM and system test frameworks. Key responsibilities include:
- Crafting and implementing advanced protocols for Polkadot's protocol usage and application development.
- Tackling intricate, multi-chain challenges.
- Designing comprehensive test suites for assessing multi-chain applications.
Ideal Candidate Qualities:
Candidates should:
- Excel in independent problem-solving and self-driven work.
- Engage effectively in an open-source culture, adept at peer review processes.
- Demonstrate proficiency in system design and complexity handling.
- Exhibit ownership of their work, centralizing accountability for results and embracing feedback.
- Possess clear communication skills translating technical concepts effectively to non-expert audiences.
Perks of Joining Us:
- Competitive compensation packages following rigorous market evaluations, including token incentives where permissible.
- Enviable "future of work" setup supportive of remote flexibility and autonomy.
- An enthusiastic team committed to impactful projects.
- Exposure to leading industry experts to elevate Web3 knowledge and skills.
- Opportunities for professional growth within a dynamic ecosystem.
- Team and company retreats for cohesive bonding.
- Provision of work laptops.
- Possibility of relocating to Germany or Portugal with visa sponsorship.
Skills Required
Parity Technologies
Website
www.parity.ioCompany 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