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

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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


CoinCROWD
Full Stack Engineer,
Full time- remote
In a rapidly evolving technological landscape, cryptocurrencies are transforming the global financial system. At CoinCrowd, we’re not just keeping pace—we’re at the forefront! Our cutting-edge platform is redefining the digital economy by offering advanced payment solutions, optimizing wallet portfolio management, and enhancing security measures.
Your Role:
As a Full stack Developer, you will be central to our mission. This is a full-time, remote position.
What You’ll Do:
● Strategic Vision: Develop and implement the technical vision, strategy, and roadmap for CoinCrowd's cryptocurrency platform.
● Platform Excellence: Lead the design, development, and maintenance of our platform, ensuring it is secure, performant, and scalable.
● Collaborate: Work with product managers and stakeholders to define and prioritize engineering projects.
● Stay Cutting-Edge: Keep up with industry trends and emerging technologies to ensure our platform remains at the forefront.
● Best Practices: Promote and implement best practices, coding standards, and efficient development processes.
● Resource Management: Oversee budgets, resources, and timelines for engineering projects.
● Focus on Security: Ensure strong security, compliance, and data protection practices.
About You:
● Experience: 5+ years in technology.
● Technical Skills: Proficient in node.js or Python, React, Flutter, PostgreSQL, Elastic, and GCP.
● Industry Knowledge: Experience in fintech or crypto, with a strong understanding of blockchain and cryptocurrency.
● Problem Solver: Excellent technical and problem-solving abilities.
● Agile Expert: Skilled in agile development methodologies. Your Superpowers:
● Blockchain Expert: Strong knowledge of blockchain platforms, wallets, and distributed ledger technologies.
● Framework Proficiency: Experience with Ethereum, Hyperledger, or Corda.
● Security Knowledge: In-depth understanding of cryptographic principles and secure coding practices.
● Excellent Communicator: Ability to work effectively with stakeholders at all levels.
● Integration Skills: Experience integrating blockchain solutions with external systems and APIs.
● Educational Background: Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
What's in It for You:
This role offers equity-only compensation, giving you a stake in CoinCrowd's success. It’s a unique opportunity to be part of something significant and see your efforts directly impact our growth!
Join us at CoinCrowd and be part of the crypto revolution!
Astra Technologies Inc is a US-based startup with a wholly-owned subsidiary in Chennai, India. We are building cryptocurrency trading infrastructure for financial institutions and other businesses. We are seeking candidates with the following skills:
1. Strong software engineering skills
2. Proficiency in the Rust programming language
3. Familiarity with blockchain technology
4. Excellent communication skills.
We are seeking candidates with varying levels of experience, from developers to senior developers and architects. The company will provide a joining bonus for candidates who join within two weeks of receiving it.
The selected candidates will have the following job responsibilities:
- Build unified API for crypto trading
- Develop products, applications and systems that meet client requirements and are scalable, maintainable, and robust.
- Work with other members of the development team to identify and resolve technical issues.
- Participate in design and code reviews to ensure that best practices are followed.
- Collaborate with other departments, such as marketing and quality assurance, to ensure that our products meet the needs of our customers.
- Stay up-to-date with emerging technologies and industry trends to ensure that our products remain competitive in the marketplace.


Job Title : Senior MERN Stack Developer with Blockchain Expertise
Location : Indore, MP
Experience : 5-7 years
Job Type : Full-time, On-site
We're seeking a seasoned Senior MERN Stack Developer with a strong focus on blockchain technology to join our innovative team in Indore. As a Senior MERN Stack Developer, you'll play a pivotal role in crafting and implementing cutting-edge blockchain solutions using the MERN stack. Your expertise will contribute to the development of secure, scalable, and decentralized applications. If you're passionate about blockchain technology, possess extensive MERN stack experience, and thrive in a collaborative environment, we encourage you to apply and be a key player in our transformative projects.
Requirements :
- Proven experience as a Full Stack Developer with a specialization in blockchain technology.
- Proficiency in the MERN stack (MongoDB, Express.js, React, Node.js).
- Experience with major blockchain platforms such as Ethereum, Hyperledger, or similar.
- Solid understanding of smart contract development and implementation.
- Knowledge of decentralized application (dApp) development.
- Familiarity with cryptography and principles of blockchain security.
- Strong problem-solving and analytical skills.
- Excellent collaboration and communication skills.
Skills :
- MongoDB, Express, Node.js, React.js
- Next.js (knowledge preferred but not mandatory)
- WordPress/Shopify experience (preferred)
- Real-time communication using Socket.IO or WebRTC (preferred)
- GraphQL API development
- Experience with integrating payment gateways
If you're ready to take on exciting challenges and contribute to groundbreaking projects, apply now and join us in shaping the future of blockchain technology.


- Design and build applications/systems based on wireframes and product requirements documents
- Work on back-end & front-end development of core scripts using NodeJS/ MongoDB/React.js/Angular/Express /Redux.
- Unit test code for robustness, including edge cases, usability and general reliability
- Write reusable, easy to maintain, versioned code using DRY principles
- Integrate existing tools and business systems (in-house tools)
- Good exposure in creating dynamic web pages
- Familiarity with Server-Oriented Architecture and RESTful Web Services
- Mentor junior team members on system architecture, coding styles and inculcate an attitude of continuous improvement in the team members

Are you passionate in coding, art and blockchain? Do you wish to face challenges ahead, develop and deliver features that will be extraordinary towards users? We are looking for experienced developers (blockchain, frontend, backend) to join our team and start a revolution!
About the role as a full stack engineer at Torum, you will be remotely working alongside our core development team from India, Turkey, Malaysia and other regions in the future. A good mindset of forward planning should be cultivated to better your performance!
You will also get involved in constant discussions with our Lead Developer and Operational team members regarding the ideas, concepts as well as feature specifications to further enhance our platform.
Key Responsibilities & Scope
- Delivering well tested, high quality software
- High scalability and flexibility solutions using micro services
- Work well in teams (bonus points if able to lead)
- Qualifications & experience
Highly Favored Experience
- Experience with Solidity
- Web3 JS experience
- Good software engineering skills, insights, and experience
- Good knowledge of cryptography
- Important: Ability to communicate (orally and verbally) well with the team in English
- Experience in building large-scale apps like Social Media, E-commerce, etc. where performance, scalability, and availability are the top priorities
Qualifications and Experience location GMT+8 or GMT+5:30
- Ability to work remotely or on-site (if Malaysia)
- More than 3 years of experience with Node JS (Express framework)
- More than 3 years of experience with React JS
- More than 3 years of experience with experience with MongoDB
- Experience in leading, or being a Senior in a full-stack team to build, constantly improve and optimize a commercial level product, with a decent user base
- Passion for best design, developing and coding practices
- Creating servers and databases for functionality
- Maximizing application performance, uptime, and scalability, maintaining high standards of code quality and thoughtful application design
- Excellent debugging and optimization skills
- Unit/integration testing experience


At Cypherock, We are disrupting the current financial system by increasing the adoption of Blockchain-based digital assets through better key management solutions. We build "Worlds' first products" from India, work at the intersection of Blockchain, Security, Embedded Hardware and Cryptography, and have worked with companies like Google, Blockgeeks, Samsung, Lockheed Martin, Apollo Munich, Bank of America amongst others.
As the primary person responsible for everything Blockchain in the company, we think it will be a great fit if -
- You love everything Crypto and are passionate to create the World's safest Crypto wallet.
- You have MERN stack & DevOps experience on AWS.
- You have reasonable open-source development experience and have shipped production-ready code.
- You can commit for at least 6 months and you are ideally in your 4th year of college and willing to join full time after the internship if mutually agreed.
If we decide to work together, we believe you would be a key team member who helps in the mass adoption of Crypto for the first billion users.
Experience: 2-5 Years
Location: Sector 62, Noida
Job Description
- Research, design, develop, and test blockchain technologies
- Brainstorm and help evaluate applications for new tools and technologies as they continually evolve
- Maintain and extend current client- and server-side applications responsible for integration and business logic
- Be involved in the global blockchain community—work on implementing and integrating the latest improvement proposals
- Document new solutions as well as maintaining that of existing ones
Required Skills
- Strong software development background
- Experience working with large codebases
- Experience working with open-source projects
- Proficiency in one of the following languages: C++, Java, JavaScript
- Strong knowledge of common algorithms and data structures
- Familiarity with basic cryptography
- Familiarity with P2P networks
- Strong knowledge of bitcoin-like blockchains
- Strong knowledge of concurrency and writing efficient and safe multithreaded code
- Strong knowledge of STL, C++11
- Proficiency in the Qt Widgets module
Perks & Benefits:
- Flexibility
- Saturdays off
- Attractive Incentives & Compensation


