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.

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!

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 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

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 -

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