Blockchain Developer

Company

Crypto made easy 🚀 

We are the bridge between your crypto world and everyday life; trade pairs, book flights and hotels, and purchase gift cards with your favourite currencies. All in one best-in-class digital experience. It's not rocket science.

🔗Apply link at the bottom of this post — don’t miss it!

Why Join?

By joining CryptoXpress, you'll be at the cutting edge of merging digital currency with real-world services and products. We offer a stimulating work environment where innovation and creativity are highly valued. This remote role provides the flexibility to work from any location, promoting a healthy work-life balance. We are dedicated to fostering growth and learning, offering ample opportunities for professional development in the rapidly expanding fields of AI, blockchain technology, cryptocurrency, digital marketing and e-commerce.

Role Description

We are seeking an Application Developer for a full-time remote position at CryptoXpress. In this role, you will be responsible for developing and maintaining state-of-the-art mobile and web applications that integrate seamlessly with our blockchain and API technologies. The ideal candidate will bring a passion for creating exceptional user experiences, a deep understanding of React Native and JavaScript, and experience in building responsive and scalable applications.

Job Requirements:

• Exposure and hands-on experience in mobile application development.
• Significant experience working with React web and mobile along with tools like Flux, Flow, Redux, etc.
• In-depth knowledge of JavaScript, CSS, HTML, and functional programming.
• Strong knowledge of React fundamentals, including Virtual DOM, component lifecycle, and component state.
• Comprehensive understanding of the full mobile app development lifecycle, including prototyping.
• Proficiency in type checking, unit testing, Typescript, PropTypes, and code debugging.
• Experience working with REST APIs, document request models, offline storage, and third-party libraries.
• Solid understanding of user interface design, responsive design, and web technologies.
• Familiarity with React Native tools such as Jest, Enzyme, and ESLint.
• Basic knowledge of blockchain technology.

Essential Skill Set:

• React Native & ReactJS
• Python (Flask)
• Node.js, Next.js
• Web3.js / Ethers.js integration experience
• MongoDB, Strapi, Firebase
• API design and integration
• In-app analytics / messaging tools (e.g., Firebase Messaging)
• Wallet integrations or crypto payment gateways

How to Apply:

Interested candidates must complete the application form at 

https://forms.gle/J1giXJeg993fZViX6

Join us and help shape the future of social media marketing in the cryptocurrency space!

💡Pro Tip: Tips for Application Success

• Show your enthusiasm for crypto, travel, and digital innovation
• Mention any self-learning initiatives or personal crypto experiments
• Be honest about what you don’t know — we value growth mindsets
• Explore CryptoXpress before applying — take 2 minutes to download and try the app so you understand what we’re building

Company

Crypto made easy 🚀 

We are the bridge between your crypto world and everyday life; trade pairs, book flights and hotels, and purchase gift cards with your favourite currencies. All in one best-in-class digital experience. It's not rocket science.

🔗Apply link at the bottom of this post — don’t miss it!

Why Join?

By joining CryptoXpress, you'll be at the cutting edge of merging digital currency with real-world services and products. We offer a stimulating work environment where innovation and creativity are highly valued. This remote role provides the flexibility to work from any location, promoting a healthy work-life balance. We are dedicated to fostering growth and learning, offering ample opportunities for professional development in the rapidly expanding fields of AI, blockchain technology, cryptocurrency, digital marketing and e-commerce.

Role Description:

We are looking for a passionate and curious Junior Web3 Developer for a full-time remote position at CryptoXpress. This is an ideal opportunity for a developer who wants to grow their blockchain development skills by contributing to real-world crypto products used daily for trading, travel, and digital commerce.

You will work on integrating wallets, handling Web3 transaction flows, and supporting blockchain-based features in a mobile-first product that prioritizes seamless UX and performance.

Key Responsibilities:

• Support the implementation of Web3 features within the CryptoXpress app (e.g., wallet connections, transaction confirmations, crypto payments).
• Integrate with libraries such as Web3.js, Ethers.js, or WalletConnect to enable secure and smooth blockchain interactions.
• Assist in building user-facing features that depend on blockchain functionality.
• Help debug and resolve issues related to wallet connectivity, transaction reliability, or Web3 provider integration.
• Collaborate with frontend, backend, and blockchain engineers to build end-to-end flows.
• Stay current with emerging tools, updates, and standards across major EVM-compatible blockchains.

Qualifications:

• Familiarity with Web3 development using JavaScript or TypeScript.
• Hands-on experience with libraries like Web3.js, Ethers.js, or similar frameworks.
• Understanding of wallet integration concepts (e.g., MetaMask, WalletConnect).
• Solid foundation in React or React Native is a plus.
• Knowledge of Ethereum, tokens (ERC-20, ERC-721), and gas mechanics.
• Eagerness to learn and apply new technologies in a real-world app.
• Basic understanding of how crypto exchanges and wallets operate.
• Bachelor’s degree in Computer Science, Engineering, or relevant field (preferred but not mandatory).

How to Apply:

Interested candidates must complete the application form at 

https://forms.gle/DXFsygindiCjKAqY6

Join us and become a driving force behind CryptoXpress’s content strategy, helping to shape the conversation in the cryptocurrency space! 🚀

💡Pro Tip: Tips for Application Success

• Show your enthusiasm for crypto, travel, and digital innovation
• Mention any self-learning initiatives or personal crypto experiments
• Be honest about what you don’t know — we value growth mindsets
• Explore CryptoXpress before applying — take 2 minutes to download and try the app so you understand what we’re building

Job Title: Senior Blockchain Developer

Job Description:

We are seeking a highly skilled Senior Blockchain Developer to join our team. The ideal candidate will have extensive experience in Ethereum, Bitcoin, Solana, and related technologies, with a strong focus on smart contracts and node setup. The candidate should be proficient in Solidity using tools like Hardhat or Foundry, as well as possess expertise in NodeJS. Experience with Rust, and Golang is considered a significant advantage.

Responsibilities:

- Develop and deploy smart contracts on Ethereum, Bitcoin, and Solana blockchains.

- Configure and maintain blockchain nodes for optimal performance.

- Collaborate with cross-functional teams to integrate blockchain solutions into existing systems.

- Write clean, efficient, and maintainable code in Solidity, NodeJS, and other relevant languages.

- Stay updated on the latest developments and trends in blockchain technology.

- Contribute to the design and architecture of blockchain-based applications.

Requirements:

- Bachelor's degree in Computer Science, Engineering, or related field.

- Minimum of 3 years of experience working with blockchain technologies.

- Proficiency in Ethereum, Bitcoin, and Solana blockchains.

- Strong understanding of smart contracts and their implementation.

- Experience with Solidity using Hardhat or Foundry.

- Solid knowledge of NodeJS.

- Familiarity with Rust, Golang, and Hyperledger is a plus.

- Excellent problem-solving and analytical skills.

- Ability to work both independently and collaboratively in a fast-paced environment.

- Strong communication and interpersonal skills.

If you possess the required skills and are passionate about blockchain technology, we encourage you to apply for this exciting opportunity.

Join us in shaping the future of decentralized applications and blockchain solutions.

Job Description:

As a Blockchain Developer, you will be responsible for harnessing your deep expertise in blockchain technologies to deliver innovative and secure solutions. You will work closely with our development team to implement blockchain-based systems that address our clients' needs. Your responsibilities will include, but are not limited to:Responsibilities:

1. Blockchain Development: Design, develop, and maintain blockchain applications, smart contracts, and decentralized solutions using various blockchain platforms, such as Ethereum, Hyperledger, or others.
2. Architecture and Design: Collaborate with the team to define blockchain architecture and system requirements, ensuring scalability, security, and optimal performance.
3. Smart Contracts: Create, test, and deploy smart contracts using Solidity or other relevant programming languages. Ensure the correctness and efficiency of smart contract code.
4. Integration: Integrate blockchain solutions with existing systems and databases, and ensure seamless data flow between blockchain and off-chain components.
5. Security: Implement security best practices, conduct code reviews, and perform security audits to identify and mitigate vulnerabilities in blockchain applications.
6. Performance Optimization: Optimize blockchain solutions for performance, scalability, and cost-efficiency, including transaction speed and gas fees reduction.
7. Documentation: Maintain detailed documentation of blockchain applications, smart contracts, and development processes to facilitate future development and auditing.
8. Research and Innovation: Stay up-to-date with the latest blockchain technologies, industry trends, and best practices. Propose innovative solutions to improve existing processes.
9. Collaboration: Collaborate with cross-functional teams, including front-end and back-end developers, designers, and product managers, to deliver integrated blockchain solutions.
10. Testing and Quality Assurance: Conduct rigorous testing, debugging, and quality assurance to ensure the reliability and security of blockchain applications.
11. Troubleshooting: Investigate and resolve technical issues, system failures, and performance bottlenecks related to blockchain solutions.
12. Compliance: Ensure compliance with relevant regulations and industry standards, such as GDPR and AML/KYC requirements, when applicable.

Qualifications:

• Bachelor's degree in Computer Science, Information Technology, or related field.
• Minimum of 3 years of professional experience in blockchain development.
• Proficiency in blockchain technologies, including Ethereum, Hyperledger, and other relevant platforms.
• Strong programming skills in languages like Solidity, Golang, or Rust.
• Experience with blockchain development tools, frameworks, and libraries.
• Knowledge of cryptography and cybersecurity principles.
• Familiarity with decentralized applications (DApps) and web3.js.
• Excellent problem-solving and analytical skills.
• Effective communication and teamwork abilities.
• Ability to adapt to a rapidly evolving technology landscape.

• You're proficient in Node.js/Javascript with a strong foundation in NoSQL/ SQL 
• You're proficient in React and strong frontend javascript foundation 
• Knowing GoLang and/or Solidity is a definite plus but not a requirement
• You have a passion for writing code as well as understanding and crafting the ways systems interact
• You have experience deploying to and implementing solutions in AWS
• You believe in the benefits of agile processes and shipping code often
• You are pragmatic and work to coalesce requirements into reasonable solutions that provide value

• Deploy well-tested, maintainable and scalable software solutions
• Take end-to-end ownership of the technology stack and product 
• Collaborate with other engineers to architect scalable technical solutions
• Embrace and improve our standards and processes to reduce friction and unlock efficiency

Current Ecosystem : 
ShibaSwap : https://shibaswap.com/#/" target="_blank">https://shibaswap.com/#/

Metaverse : https://shib.io/#/" target="_blank">https://shib.io/#/

NFTs : https://opensea.io/collection/theshiboshis" target="_blank">https://opensea.io/collection/theshiboshis

Game: Shiba Eternity on iOS and Android

Who We Are Looking For:

We are looking for a driven Blockchain & Solidity Developer who learns fast, who is humble and values teamwork. The ideal candidate will be technical, data-driven, creative, and efficient. The kind of person who joins our Team is passionate and willing to think outside of the box and execute on it. We are committed to helping you grow, challenging you with hard, meaningful work and celebrating our successes and failures together.

Preferred Experience:

• 3+ years of software experience ( Full stack) , 1+ years of Solidity development experience
• Presently leading as CTO, Tech Lead or Technical Project manager at established crypto project

Technical Skills

• Experience in development of solidity smart contracts and operating mechanism of blockchain encryption algorithms, consensus mechanism, security protocols etc.
• Proven work experience of deployments on ETH/BSC/MATIC networks and other EVM Chains
• Understanding of virtual machine architecture, memory, and stack.
• Familiar with Truffle, Waffle, and Hardhat, and the pros and cons of each framework.
• Familiarity with code versioning tools (git) and repo management.
• (Plus) Understanding of mainstream DeFi ecosystems like Uniswap, Compound, Curve etc.

Soft Skills

• Proficiency in English & Communication
• Team Collaboration and task management

What You Will Be Doing:

• Collaborates with the team on conceptualizing and developing new applications. Write high-quality, pragmatic code as part of a multidisciplinary agile team.
• Participate in design, development and code reviews.
• Take accountability for end-to-end production, testing, and shipping of code.

Our Offering:

• Purpose: You’ll be part of something bigger, working towards building a decentralized financial ecosystem.
• Culture: You’ll work in a thriving, friendly, and fun environment that promotes open discussions, jokes, learning, video games, and lots of fun.
• People: You’ll work with some of the most driven and intelligent people in the crypto space, engaging with a network of diverse talent team members & advisors.
• Flexible vacation policy: work with your manager to take time off when you need it

We are looking for a highly capable Node.js developer to optimize our web-based application performance. You will be collaborating with our front-end application developers, designing back-end components, and integrating data storage and protection solutions.

To ensure success as a Node.js developer, you should possess extensive knowledge of Node.Js-based services and experience in a similar role. An accomplished Node.js developer will be someone whose expertise results in the stable, fast, and secure exchange of data between servers and end-users.

Node.js Developer Responsibilities:

• Developing and maintaining all server-side network components.
• Ensuring optimal performance of the central database and responsiveness to front-end requests.
• Collaborating with front-end developers on the integration of elements.
• Designing customer-facing UI and back-end services for various business processes.
• Developing high-performance applications by writing testable, reusable, and efficient code.
• Implementing effective security protocols, data protection measures, and storage solutions.
• Running diagnostic tests, repairing defects, and providing technical support.
• Documenting Node.js processes, including database schemas, as well as preparing reports.
• Recommending and implementing improvements to processes and technologies.
• Keeping informed of advancements in the field of Node.js development.

Node.js Developer Requirements:

• At least two years' experience as a Node.js developer.
• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
• Knowledge of front-end technologies such as HTML5 and CSS3.
• Superb interpersonal, communication, and collaboration skills.
• Exceptional analytical and problem-solving aptitude.
• Great organizational and time management skills.
• Availability to resolve urgent web application issues outside of business hours.

We are looking for a blockchain developer who will be responsible for designing, implementing, and supporting a distributed blockchain-based network. Your primary responsibility will be analyzing requirements, designing blockchain technology around a certain business model, and building and launching a blockchain network.

Also, the Position requires maintenance & further development of the existing platform

• Research, design, develop, and test blockchain technologies
• Document new solutions as well as maintain of existing ones
• Be involved in the global blockchain community—work on implementing and integrating the latest improvement proposals

1. Requirements

• Hands-on experience in Ethereum, Solidity, Golang, Nodejs, Javascript, NFT, ERC Tokens, DeFi, DAPPS
• Strong software development background, Expertise in Rest API design and development.
• Experience working in NoSQL databases like MongoDB.
• Strong knowledge of common algorithms and data structures
• Proficient understanding of code versioning tools, such as Git, and familiar with concepts of Cloud-based microservices.

Must have worked with Blockchain products and played a vital role to build that application as a developer