lead blockchain developer

Job Title : Full Stack TypeScript Developer (Web3)

Location : Remote

Experience Level : 3+ Years

Role Overview :

Join our innovative, funded Web3 startup as a Full Stack TypeScript Developer and play a key role in building a wallet-to-wallet audio calling platform. You’ll collaborate with cross-functional teams to deliver a seamless user experience by integrating real-time communication, blockchain payments, and advanced analytics into our platform.

Key Responsibilities:

Development & Blockchain Integration :

• Design and develop a responsive React + TypeScript frontend using Vite.
• Build a scalable TypeScript, Express.js backend to manage wallets and on-chain transactions.
• Integrate wallet connection frameworks like RainbowKit and Wagmi.
• Implement blockchain payment systems using Superfluid Finance and on-chain revenue sharing with 0xSplits.

Real-Time Communication :

• Develop and optimize real-time audio streaming for calls and Spaces using Jitsi or 100ms.
• Ensure low-latency performance, scalability, and smooth user interactions for high-concurrency scenarios.

Data Management & Analytics :

• Manage relational data with Drizzle ORM and Neon Postgres.
• Develop analytics features using The Graph or custom indexers to query blockchain data effectively.

Collaboration & Documentation :

• Collaborate closely with product, design, and blockchain teams to align on technical solutions and goals.
• Document APIs, workflows, and architectural decisions to ensure clarity and smooth handoffs.

Required Skills:

• Strong proficiency in React, TypeScript, and Express.js.
• Hands-on experience with blockchain tools such as ethers.js, Superfluid, 0xSplits, and The Graph.
• Familiarity with real-time audio communication systems like Jitsi or 100ms.
• Expertise in relational databases like Postgres and scalable storage solutions.
• Excellent debugging, optimization, and problem-solving skills.

Preferred Qualifications:

• Prior experience in Web3 or blockchain-based applications.
• Knowledge of decentralized systems and protocols.
• Understanding of agile development processes and CI/CD pipelines.
• Strong attention to detail with the ability to write clean, maintainable code.

What We Offer:

• A chance to work at the forefront of Web3 innovation.
• Fully remote, flexible work environment.
• Competitive salary and equity options.
• Opportunity to make a significant impact in a growing startup.

About Raiseli

Raiseli is a cutting-edge fintech SaaS platform revolutionizing fund management and real estate investment through blockchain technology. We empower institutional investors, fund managers, and private investors with transparent, secure, and efficient investment solutions.

Our mission is to raise the standard of how investments are managed, traded, and accessed globally.

We are expanding our team to build the next-generation blockchain infrastructure that underpins our investment marketplace, tokenization framework, and real-time transaction ledger.

What You’ll Do

• Design, develop, and deploy blockchain-based applications and smart contracts (Ethereum, Polygon, or other EVM-compatible chains).
• Implement tokenization protocols for fractional ownership of real estate and funds.
• Develop secure and scalable APIs and integrations with wallets, custodians, and payment systems.
• Collaborate with product, UI/UX, and AI teams to integrate blockchain features into our SaaS platform.
• Conduct code reviews, testing, and security audits to ensure compliance with best practices.
• Stay ahead of blockchain trends and suggest innovations to enhance the platform.

Key Requirements

• 3+ years of experience in blockchain development.
• Strong proficiency in Solidity, Web3.js/ethers.js, and smart contract frameworks (Hardhat, Truffle).
• Experience with DeFi protocols, token standards (ERC20, ERC721, ERC1155), and NFTs.
• Familiarity with layer-2 solutions, cross-chain bridges, and scalable blockchain architectures.
• Proficiency in backend languages (Node.js, Python, or Go) and database integration (MySQL, MongoDB).
• Understanding of cryptographic principles and security best practices in blockchain.
• Experience with cloud services (AWS, GCP, Azure) and CI/CD pipelines is a plus.
• Passion for fintech, tokenization, and decentralized finance.

Nice-to-Have

• Experience in real estate tokenization or asset-backed token projects.
• Knowledge of regulatory compliance in blockchain-based financial applications.
• Familiarity with AI/ML integrations for fintech platforms.

Why Join Us?

• Work on innovative blockchain solutions shaping the future of fintech.
• Flexible remote work with a global team.
• Competitive compensation and equity opportunities.
• Direct involvement in building a platform that impacts institutional and private investors.

Interested?

Apply directly on Cutshort.io

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

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

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 -

1. You love everything Crypto and are passionate to create the World's safest Crypto wallet.
2. You have MERN stack & DevOps experience on AWS.
3. You have reasonable open-source development experience and have shipped production-ready code.
4. 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.

About Us

upGrad is an online education platform building the careers of tomorrow by offering the most industry-relevant programs in an immersive learning experience. Our mission is to create a new digital-first learning experience to deliver tangible career impact to individuals at scale. upGrad currently offers programs in Data Science, Machine Learning, Product Management, Digital Marketing, and Entrepreneurship, etc. upGrad is looking for people passionate about management and education to help design learning programs for working professionals to stay sharp and stay relevant and help build the careers of tomorrow.

• upGrad was awarded the Best Tech for Education by IAMAI for 2018-19
• upGrad was also ranked as one of the LinkedIn Top Startups 2018: The 25 most sought-after startups in India 
• upGrad was earlier selected as one of the top ten most innovative companies in India by FastCompany.
• We were also covered by the Financial Times along with other disruptors in Ed-Tech
• upGrad is the official education partner for Government of India - Startup India program 
• Our program with IIIT B has been ranked #1 program in the country in the domain of Artificial Intelligence and Machine Learning 

About the Role

If you love to learn, are a quick learner and would love to create top-notch online courses on emerging technologies like Blockchain, Software Development or Data science then we are looking for you!

The Senior Content Strategist role is unique in the sense that it provides an opportunity to learn new topics quickly, work on case studies, interact and build network with top industry professionals and faculty members in the respective domains, and do work that directly impacts the lives and careers of our learners.upGrad is looking for people passionate about education to help design learning programs for working professionals in order to help build the careers of tomorrow. 

Roles & Responsibilities

• Develop world-class content for online courses on different stacks in Full-Stack Web Development (Java, Spring, Spring Boot, Angular, React.js, Node.js & Express.js, C#, .NET), Blockchain Development & Architecture, software development/mean-stack development / Data science/Machine Learning. This job will equip the candidate with highly sought after skills and will be a great starting point for a career
• Understand the industry requirements and develop courses to help students meet high standards
• Plan and execute student competency assessment and engagement to ensure extraordinary learning experience
• Quickly learn complex concepts and ensure quality of content, instructional design and overall course experience
• Collaborate with business development team to meet content production deliverables
• Define & structure content development process; work with educational content across all levels
• Structure, grow and lead content development team including research assistants, video producers, scriptwriters etc.
• Work closely with senior faculty, freelancers and global industry leaders

Skills Required

• BE/B.tech Computer science background (Bachelor’s/Master’s degree, BCA/ MCA,
• Online/ self taught/MOOC) OR a degree in Maths/Statistics.
• 4+ years of experience in e-Learning and/or creating customised higher education programs
• Experience in software development (backend/full-stack web development) , Data science is valuable.
• Excellence in problem solving and structuring of complex processes in new terrains
• Master in Higher Education/ Technology, Education & Innovation is preferred
• Experience in (digital) pedagogic content production; preferably higher education is preferred