
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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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 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.
- 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
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
At Cypherock,
We are disrupting the current financial system by increasing the adoption of Blockchain-based digital assets through better key management solutions. We are a mission-driven team having worked with companies like Google, Blockgeeks, Samsung, Lockheed Martin, Apollo Munich, etc.
As an early engineer at Cypherock you may:
● Implement protocols that empower millions over the world
● To ship global products that increase the adoption of decentralized currencies
● Work on World's first products. Yes! we are one of the few Indian companies building for the World from India
● Get inspired to create breakthrough technologies
Requirements:
● Experience in MEAN stack and writing Python scripts. React dev skills are a must. Experience with the Electron framework for desktop app development will be a plus
● Experience working in remote teams
● Excellent code documentation and communication skills
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










