cryptojobs.com

Web3 DApp Developer (Remote)

Jun 18, 2026

]]>About Us

We are a game development and Web3 innovation company building blockchain-powered gaming platforms, token ecosystems, and decentralized applications. We are looking for a talented Web3 DApp Developer to join our team and contribute to the development of innovative blockchain products.

Responsibilities

Design, develop, and maintain Web3 decentralized applications (DApps).
Integrate smart contracts with frontend and backend systems.
Implement wallet connectivity using solutions such as MetaMask and WalletConnect.
Develop secure and scalable blockchain-based features.
Collaborate with smart contract, frontend, and backend developers.
Participate in code reviews, testing, and performance optimization.
Troubleshoot and resolve blockchain-related technical issues.
Contribute to architecture and technical design discussions.

Requirements

Proven experience building Web3 applications.
Strong knowledge of JavaScript and TypeScript.
Experience with React.js, Next.js, or similar frontend frameworks.
Experience integrating wallets and blockchain networks.
Strong understanding of smart contract interaction.
Experience with Web3 libraries such as Ethers.js, Web3.js, Wagmi, or Viem.
Familiarity with blockchain security best practices.
Experience using Git and collaborative development workflows.

Preferred Qualifications

Experience with Solidity smart contracts.
Experience with Ethereum, Polygon, BNB Chain, Solana, or other blockchain ecosystems.
Experience developing DeFi, NFT, GameFi, or token-sale applications.
Understanding of token standards such as ERC-20, ERC-721, and ERC-1155.
Experience working in gaming, blockchain, or startup environments.

What We Offer

Fully remote position.
Flexible working hours.
Opportunity to work on innovative Web3 and gaming projects.
Long-term collaboration opportunities.
Competitive compensation based on experience and qualifications.

Application Requirements

Please include:

Resume or LinkedIn profile.
GitHub profile.
Portfolio of previous Web3 projects.
Relevant blockchain experience.
Availability and expected compensation.

We look forward to hearing from passionate Web3 developers who are excited about building the future of decentralized applications.

Backend Engineer

Jun 16, 2026

]]>What you'll do

Building and maintaining backend APIs and services
Designing scalable architecture for marketplace and asset workflows
Integrating with blockchain smart contracts (event listening, indexing, data sync)
Managing off-chain logic for listings, users, and transactions
Working closely with frontend and smart contract engineers
Designing data models for real-world asset tokenization flows

What we're looking for

Strong backend development experience in Node.js
Experience building production-grade APIs and services
Understanding of databases (SQL and/or NoSQL)
Experience working with distributed systems or scalable architectures
Ability to write clean, maintainable, and well-structured code

Nice to have

Experience with blockchain or Web3 systems
Familiarity with smart contracts (Solidity, EVM ecosystems)
Experience with event-driven architecture or message queues
Knowledge of authentication, security, and access control systems

Tech Stack

Node.js, React / Next.js, Ethereum + L2, Solidity, IPFS + off-chain databases

Why this role

High ownership of backend architecture
Early-stage equity / token upside
Real impact on system design and scalability
Close collaboration with core team

Compensation

Flexible (depending on experience) · Equity / token allocation · Remote-first setup

How to apply

GitHub / portfolio
Backend systems or APIs you've built
Short note on your experience with backend architecture and blockchain systems

Full Stack Engineer

Jun 16, 2026

]]>What you'll do

Build frontend features in React / Next.js
Work on backend APIs and services in Node.js
Integrate smart contracts into the product (wallets, transactions, state updates)
Handle blockchain interactions using ethers.js / similar tools
Work with on-chain data (events, reads, writes, indexing basics)
Help connect frontend, backend, and smart contracts into one system
Fix issues and ship features quickly

What we're looking for

Strong experience with JavaScript / TypeScript
Good hands-on experience with React / Next.js
Experience building backend services with Node.js
Basic understanding of blockchain (wallets, transactions, smart contracts)
Experience integrating Web3 libraries (ethers.js)
Comfortable working in early-stage environments where things change fast
Able to work independently and figure things out

Nice to have

Solidity experience or ability to read smart contracts
Understanding of EVM ecosystems (Ethereum, Polygon, Arbitrum)
Exposure to DeFi or NFT projects
Experience with indexing (The Graph or event-based systems)
Startup / 0→1 product experience
Basic system design understanding

Tech Stack

React / Next.js, Node.js, Ethereum + L2, Solidity, IPFS + off-chain databases

Why this role

You’ll work on a real product, not an idea
Full-stack ownership across Web2 + Web3
Early-stage equity / token upside
Fast iteration, minimal process
Remote and flexible
Equity / token upside

Compensation

Flexible (depending on experience) · Equity / token allocation · Remote-first setup

How to apply

GitHub / portfolio
Projects you've built (frontend, backend, or Web3)
Short note on your experience with React + Node

Smart Contract Engineer

Jun 09, 2026

]]>The Role

We are hiring a Senior Blockchain Developer to design and build smart contract systems across multiple client and internal projects.

You will work on a variety of blockchain applications - from DeFi protocols to tokenized systems and Web3 platforms - ensuring high standards in security, scalability, and architecture.

This is a senior-level, hands-on role with exposure to multiple products and industries.

What You’ll Do

Design, develop, and deploy smart contracts using Solidity
Implement token standards (ERC-20, ERC-721, ERC-1155) and custom logic
Build and maintain contract architectures across multiple projects
Ensure security, audit readiness, and upgradeability
Optimize gas usage and performance
Collaborate with backend and frontend teams for integrations
Participate in code reviews and technical decision-making
Contribute to documentation and internal best practices

What We’re Looking For

4+ years of experience in blockchain / smart contract development
Strong expertise in Solidity and EVM-based ecosystems
Experience with Ethereum and L2s (Polygon, Arbitrum, Optimism)
Solid understanding of smart contract security and vulnerabilities
Experience with Hardhat, Foundry, or similar frameworks
Strong software engineering fundamentals (testing, Git, CI/CD)
Ability to work across multiple projects and adapt quickly

Nice to Have

Experience with DeFi protocols, staking, or token economies
Experience working with auditors or security reviews
Familiarity with upgradeable contracts (proxy patterns)
Backend experience (Node.js / TypeScript)
Experience in client-facing or consulting environments

Tech Stack

Solidity · Ethereum · Polygon · Arbitrum

Hardhat / Foundry · Node.js · TypeScript

React · ethers.js · IPFS

Why Join

Work across a diverse portfolio of blockchain projects
Exposure to both client work and internal ventures
Opportunity to influence architecture and technical direction
Collaborative, globally distributed team
Fast-paced environment with continuous learning

What Success Looks Like

Secure, production-ready smart contracts delivered across projects
Successful audits with minimal critical issues
Scalable and reusable contract architectures
Strong collaboration with cross-functional teams
Consistent delivery across multiple initiatives

How to Apply

Please submit:

Resume or LinkedIn
GitHub profile (required)
Examples of smart contracts or blockchain projects

Blockchain Developer, Smart Contract Engineer (US,

Jun 08, 2026

]]>Location: US or EU only

We are looking for a skilled Blockchain Developer / Smart Contract Engineer to join our engineering team and help design, build, and maintain secure smart contracts for decentralised applications, DeFi products, and blockchain protocols.

The ideal candidate has strong Solidity and EVM experience, a solid understanding of DeFi mechanics, and a security-first mindset when developing and reviewing smart contract systems.

Responsibilities

Design, build, and maintain smart contracts for DeFi and blockchain applications.
Write secure, clean, gas-efficient, and maintainable Solidity code.
Develop and maintain automated tests using Foundry, Hardhat, Anchor, or similar frameworks.
Review smart contracts for security vulnerabilities, bugs, edge cases, and protocol-level risks.
Analyse and mitigate risks related to flash loans, oracle manipulation, MEV, governance attacks, and other DeFi threat vectors.
Use security and analysis tools such as Slither, Mythril, Echidna, Certora, Tenderly, or similar platforms.
Support audits, bug fixes, secure deployments, and post-deployment monitoring.
Optimise gas usage, storage layout, and contract performance.
Document technical decisions, protocol assumptions, and security considerations.

Requirements

Strong experience with Solidity and EVM-based smart contracts.
Hands-on experience with Foundry and/or Hardhat.
Good understanding of Ethereum, gas optimisation, storage layout, events, and upgradeable contract patterns.
Knowledge of DeFi concepts, including token standards, staking, lending, AMMs, bridges, vaults, and governance.
Ability to write secure, reliable, and maintainable smart contract code.
Experience testing, debugging, and reviewing smart contracts.
Understanding of common smart contract vulnerabilities, including reentrancy, access control issues, oracle risks, precision errors, and front-running.
Familiarity with OpenZeppelin libraries and proxy patterns.
Strong attention to detail, ownership, and clear communication skills.

Nice to Have

Experience with Rust, TypeScript, Solana, Anchor, NEAR, or other blockchain ecosystems.
Previous experience building or auditing DeFi protocols.
Knowledge of fuzz testing, formal verification, symbolic execution, or invariant testing.
Experience with Ethereum, Arbitrum, Base, Optimism, Solana, NEAR, or similar networks.
Experience with AMMs, lending protocols, bridges, staking systems, vaults, or governance mechanisms.
Familiarity with Tenderly, Etherscan, Blockscout, The Graph, or other blockchain monitoring and indexing tools.

What We Offer

Competitive salary.
Healthcare benefits.
Company-provided computer.
Paid holidays.
Flexible working hours.
Career growth opportunities.
A friendly, supportive, and collaborative engineering team.

Blockchain Developer (Solidity, Web3, MERN)

Jun 02, 2026

]]>

You will work closely with frontend and backend engineers to design, develop, and deploy scalable blockchain-based features while ensuring security, performance, and reliability.

Responsibilities

Design, develop, test, and deploy smart contracts using Solidity.
Build and maintain decentralized application (DApp) functionality.
Integrate blockchain networks and smart contracts into web applications using ethers.js, wagmi, or web3.js.
Implement wallet connectivity and transaction flows using MetaMask and other popular Web3 wallets.
Develop user-facing features with React and Tailwind CSS.
Build and maintain backend services and APIs using Node.js and Express.
Integrate blockchain data with backend systems and databases.
Participate in architecture discussions and technical decision-making.
Write clean, maintainable, and well-documented code.
Ensure security best practices are followed throughout the development lifecycle.

Required Qualifications

Proven experience developing smart contracts with Solidity.
Strong understanding of Ethereum and EVM-compatible blockchains.
Experience with Web3 development tools and libraries such as ethers.js, wagmi, or web3.js.
Proficiency in React.js and modern JavaScript/TypeScript.
Experience with Node.js, Express, and MongoDB.
Familiarity with wallet integrations including MetaMask and WalletConnect.
Understanding of blockchain security concepts and smart contract vulnerabilities.
Experience using Git and collaborative development workflows.

Preferred Qualifications

Experience with Hardhat, Foundry, or similar development frameworks.
Knowledge of DeFi protocols, staking systems, token standards, or NFT platforms.
Experience deploying and maintaining applications on Ethereum or other EVM-compatible networks.
Familiarity with CI/CD pipelines and automated testing.
Experience building scalable production-grade Web3 applications.

Application Requirements

Please include the following with your application:

Resume or CV
GitHub profile
Portfolio or examples of blockchain-related projects
Brief summary of your experience with Solidity and Web3 development

Crypto Trading Platform Engineer

Jun 01, 2026

]]>About the Role

We’re building a next-generation crypto trading platform with full copy trading functionality and an intuitive user experience. The platform uses React + TypeScript on the frontend and Express + TypeScript on the backend. You’ll help implement core trading features, risk management, third-party integrations, and seamless copy trading logic.

Requirements:

5+ years of professional experience in full-stack development
Strong proficiency in React, TypeScript, Node.js, and Express
Experience with backend testing and trading or finance-related applications is a plus
Must be based in the US or EU
Strong problem-solving skills and excellent attention to detail
Experience integrating third-party APIs, especially trading platforms, payment providers, market data services, or crypto exchanges

Responsibilities:

Develop scalable frontend and backend components
Implement trading logic, risk checks, and copy trading features
Build and maintain third-party integrations for crypto trading, market data, wallet services, and exchange connectivity
Collaborate on design and architecture for a high-performance crypto trading website
Write and maintain tests for critical trading logic and risk-related workflows

Nice to Have:

Experience working with blockchain, cryptocurrency, or Web3 products
Familiarity with crypto exchange APIs such as Binance, Coinbase, Kraken, Bybit, OKX, or similar platforms
Understanding of wallets, on-chain transactions, smart contracts, and blockchain data providers
Experience with real-time market data, WebSockets, order execution flows, and portfolio tracking
Knowledge of crypto trading concepts such as spot trading, copy trading, risk limits, slippage, and liquidity

How to Apply:

Send your CV and portfolio links demonstrating relevant experience in trading, fintech, crypto, blockchain, or third-party platform integrations.

Senior Blockchain/Web3 Engineer

May 23, 2026

]]>Role Summary

Rather Labs is looking for a senior Blockchain / Web3 Wallet Engineer to build secure wallet features for Web3 products.

You will work on wallet connections, transaction signing, token transfers, NFT support, smart contract interactions, and Web3 authentication.

This role is a good fit for someone with experience in blockchain development, wallets, smart contracts, and production-ready Web3 systems.

We are looking for an engineer who can take ownership, write clean and secure code, and work well with product, frontend, backend, and smart contract teams.

Duties/Responsibilities

Design, develop, test, and deploy smart contracts for Web3 products
Build blockchain features for DeFi platforms, wallets, GameFi, and ecosystem tools
Write secure and gas-efficient Solidity code
Create unit tests, integration tests, and deployment scripts
Integrate smart contracts with backend services, frontend apps, wallets, APIs, and blockchain infrastructure
Review existing smart contract code and suggest improvements
Support audits, security reviews, and vulnerability remediation
Monitor deployed contracts and help resolve production issues
Research new blockchain protocols, DeFi mechanics, and EVM improvements
Contribute to technical documentation and best practices

Required Skills

3+ years of software development experience
1–2+ years of experience in blockchain, Web3, crypto, or DeFi projects
Strong experience with Solidity and smart contract development in the EVM ecosystem
Good understanding of Ethereum / EVM architecture, gas optimization, token standards, and smart contract security
Experience with Web3 tools such as Hardhat, Foundry, Remix, MetaMask, Ethers.js, Web3.js, Viem
Experience deploying and maintaining smart contracts on testnet and mainnet
Knowledge of DeFi: AMMs, staking, lending, bridges, oracles, stablecoins, and liquidity pools
Backend integration experience: APIs, indexers, event listeners, wallets, or transaction services
Understanding of common blockchain security risks
Experience with JavaScript, TypeScript, Python, Node.js, or similar backend technologies
Familiarity with Git, CI/CD, testing frameworks, code reviews, and documentation

Nice to have

Experience with DeFi protocols (DEX, perps, lending)
Understanding of AMM models and perpetual mechanics
Experience building trading systems or financial primitives
Experience with oracles (Chainlink, Pyth, etc.)
Exposure to AI agents or automated trading systems
Open-source contributions in Web3 / DeFi

Blockchain Engineer

May 14, 2026

]]>Role Overview

Keras Labs is seeking a high-performing Blockchain Engineer to design, build, and scale smart contract systems for a hybrid AMM + perpetual trading platform powered by AI agents.

This role also includes building and deploying standard token contracts (ERC20/BEP20) and supporting core on-chain infrastructure in a fast-paced, product-driven environment.

Core Responsibilities

Build and maintain smart contracts (Solidity / Rust)
Develop and deploy ERC20 / BEP20 (or equivalent EVM) tokens
Implement token logic (minting, burning, access control)
Build core protocol modules (liquidity, trading, vaults)
Integrate price oracles and on-chain data sources
Optimize contracts for gas efficiency and performance
Collaborate with frontend, product, and research teams
Support testing, audits, and deployment workflows
Monitor protocol performance and on-chain activity

Requirements

Strong proficiency in Solidity (EVM) and/or Rust
Experience deploying ERC20 / BEP20 or similar token standards
Familiarity with smart contract testing (Foundry, Hardhat)
Understanding of contract security best practices
Strong system design and problem-solving skills
Comfortable working in a fast-paced, remote environment

Nice to Have

Experience with DeFi protocols (DEX, perps, lending)
Understanding of AMM models and perpetual mechanics
Experience building trading systems or financial primitives
Experience with oracles (Chainlink, Pyth, etc.)
Exposure to AI agents or automated trading systems
Open-source contributions in Web3 / DeFi

Compensation & Benefits

Performance Bonus: Annual incentive structure
Benefits: Remote-first flexibility, high ownership, impact-driven culture

Staff Accountant

May 13, 2026

]]>Staff Accountant — Fortress Accounting

$50/hr contract → $100K + benefits after 90 days

Skip the Corporate Ladder. Do Work That Actually Matters.

You didn't become an accountant to sit in endless meetings, navigate office politics, or watch your work disappear into a corporate black hole. You became an accountant because you're sharp, you like solving problems, and you want to help businesses thrive.

At Fortress Accounting, that's exactly what you'll do.

We're a lean, global firm serving 400+ clients—founders building the future in crypto, AI, SaaS, healthcare tech, and more. No layers of middle management. No performative busy work. Just smart people doing excellent work for companies that are actually changing things.

The Deal

First 90 days: 1099 contractor at $50/hour. We're testing fit—on both sides. You'll see if our pace and culture work for you. We'll see if you can deliver.

After 90 days: Full-time W-2 position at $100K/year, plus:

Health insurance
Dental coverage
Vision coverage
Performance bonuses
Ongoing training and development

The Culture: High Standards, Real Autonomy

Think Jensen Huang's Nvidia—not toxic grind culture, but genuine high performance. We expect a lot because we hire people who are capable of a lot. In return, you get:

Actual ownership of your work and clients
No micromanagement—we hire adults and treat them like adults
Remote flexibility—work from anywhere, but show up ready to work
Direct access to leadership—we're a small team, your voice matters
Clients who are building cool things—not legacy corporations stuck in 1995

Work-life balance? Yes. But let's be honest: if you want a job where you coast and clock out mentally at 4:59, this isn't it. We work hard. We take our clients seriously. And we expect you to care about doing excellent work.

What You'll Actually Do

Own the full accounting cycle for a portfolio of tech clients—A/P, A/R, payroll, reconciliations, financial statements
Master QuickBooks Online (this is non-negotiable—you need to be an expert, not "comfortable with it")
Build financial models and reports in Google Sheets
Prepare for tax season and ensure compliance
Work directly with founders and operators who rely on you to keep their finances tight
Adapt quickly as we roll out new automation tools and tech

Who Thrives Here

3+ years of real accounting experience—preferably with tech companies (SaaS, crypto, fintech, AI, healthcare tech)
QuickBooks Online expert—not learning, already there
Google Sheets power user—comfortable building models, not just filling in cells
Self-directed and accountable—remote work means no one's watching; you need to deliver anyway
Detail-obsessed but fast—precision matters, but so does pace
Excellent communicator—clear writing, responsive, professional with clients across time zones

Education: Bachelor's degree in Accounting required. Finance degree? That works too—but you'll need enough hands-on accounting experience to prove you know the fundamentals inside and out.

The Hiring Process

No six rounds of interviews. No month-long waiting games. Here's exactly how it works:

Submit your resume via the application link
Automatic screening—our system checks if you meet the minimum requirements
Assessments—if you qualify, you'll receive a link to complete a personality and cognitive assessment
Interview scheduled—only candidates who complete both assessments will be contacted to book a conversation
Technical test—once your interview is scheduled, you'll receive a QBO/Excel and accounting skills test to complete before we meet
Decision—within one week of your interview, you'll know if we're moving forward

Fast and straightforward.

About Fortress Accounting

We're a remote-first firm with team members across 10 countries, serving tech entrepreneurs and growing businesses globally. Our mission: handle your accounting and finance so you can focus on building your business.

We're not a Big Four firm. We're not trying to be. We're building something different—a place where talented accountants can do meaningful work, grow fast, and actually enjoy what they do.

Ready to leave the corporate grind behind?

Apply now.

Fortress Accounting is an equal opportunity employer. We don't care where you went to school or what your last title was. We care if you can do the work.

Purchasing Assistant

May 07, 2026

]]>Purchasing Assistant (Contract)

Role Summary

Red Project Management LLC is seeking a motivated and detail-oriented Purchasing Assistant to support procurement operations within the crypto and Web3 industry. This role involves assisting with sourcing, vendor coordination, order tracking, and operational support for company projects and digital asset initiatives. The position is fully remote and contract-based, offering flexible scheduling and opportunities for long-term growth within a fast-paced blockchain-focused environment. Candidates should be comfortable working independently, communicating professionally, and adapting to evolving operational needs.

Duties/Responsibilities

Assist with sourcing products, services, and vendors for company operations
Maintain procurement records, invoices, and purchasing documentation
Coordinate with vendors, suppliers, and internal team members regarding orders and deliveries
Track purchase requests, shipments, and procurement timelines
Support operational and administrative tasks related to procurement activities
Research pricing, suppliers, and market availability for requested items
Prepare reports and updates related to purchasing activities
Ensure purchasing processes comply with company standards and timelines
Communicate professionally through email, messaging platforms, and virtual meetings
Assist management with special projects and procurement-related assignments

Required Skills

Strong communication and organizational skills
Ability to work independently in a remote environment
Attention to detail and problem-solving abilities
Basic understanding of procurement or purchasing processes
Familiarity with Microsoft Office, Google Workspace, or similar tools
Ability to manage multiple tasks and deadlines efficiently
Professional written and verbal communication skills
Adaptability in a fast-paced startup or Web3 environment
Strong research and vendor coordination abilities
Interest in cryptocurrency, blockchain, or Web3 industries is preferred

Education and Experience

High school diploma or equivalent required
Associate or bachelor’s degree preferred but not required
Previous experience in purchasing, procurement, administrative support, or operations is a plus
Experience working remotely or in contract-based roles preferred
Familiarity with crypto, blockchain, or digital asset industries is beneficial but not mandatory
Entry-level candidates with strong organizational skills are encouraged to apply

Additional Requirements or Expectations Specific to the Position

Contract-based remote position
Flexible work schedule based on operational needs
Candidates must have reliable internet access and a computer suitable for remote work
Occasional evening or weekend availability may be required depending on project deadlines
Strong professionalism and confidentiality are expected when handling company information
Opportunity for long-term collaboration and advancement based on performance
Selected candidates may receive BOS and RPM token incentives and professional development opportunities

Application Requirements

Applicants should submit:

Updated resume
Brief introduction or cover letter outlining relevant experience and interest in the role
Contact information for follow-up regarding interviews and onboarding processes