

2.front end work on React js
3.Backend work on Nodejs for api and scheduler part
4.Database Mysql/Mongodb
5.Should be worked on *Cryptocurrency Exchange* Bitcoin,Ethereum,Tron,etc
6.cryptocurrency core node setup
7.who worked on *mlm plan smart contract on tron network like direct referral income, level income and daily return roi* - advantage for

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Role Overview
We're seeking a MERN Stack Developer with experience in Web3 development to join our team. The ideal candidate will be comfortable building full-stack applications, integrating smart contracts, and working in a fast-paced startup environment.
Responsibilities
- Develop and maintain full-stack applications using MongoDB, Express.js, React.js, and Node.js
- Integrate smart contracts and blockchain functionality using Web3.js, Ethers.js, or similar libraries
- Collaborate with product managers, designers, and blockchain engineers
- Write clean, maintainable, and testable code
- Troubleshoot and debug applications
- Stay updated with the latest Web3 trends and technologies
Requirements
- 1+ year of hands-on experience with the MERN stack
- Basic to intermediate knowledge of smart contracts, Ethereum, and Web3.js/Ethers.js
- Familiarity with Solidity and Ethereum development tools (e.g., Truffle, Hardhat)
- Understanding of REST APIs and integration practices
- Strong problem-solving skills and a proactive attitude
- Good communication and collaboration skills
Bonus Skills
- Experience with IPFS, The Graph, or Layer 2 solutions
- Contributions to open-source Web3 projects
- Knowledge of NFT standards or DeFi protocols
What We Offer
- Competitive salary and performance-based incentives
- Flexible working hours and remote-friendly culture
- Opportunity to work on cutting-edge Web3 projects
- A collaborative, supportive, and innovative environment
-
Drive high-level decisions about Sperax Protocol architecture, incentive structures and features in collaboration with the Product and Economics Research team
Roles and Responsibilities
- Design/implement secure and reliable smart contracts in Solidity
- Architect, implement, test, and audit protocol upgrades and additions
- Research on multiple blockchain protocols
- Work in a fast-paced team to develop and iterate on new features
Our Requirements/ Qualification and Skills
- 4+ years of development experience and at least 1 year of smart contract developer experience in solidity
- Solid experience in delivering resilient and secure code in Solidity
- Knowledge and experience of the test-driven development
- Very good understanding of the Blockchain technologies, especially Ethereum
- Familiar with the common Smart Contract vulnerabilities
- Solid understanding about Ethereum infrastructure, e.g. like Gnosis, TheGraph
What we offer:

- Work as a Senior Developer or Tech Lead for blockchain-based projects.
- Lead small development teams (3-5 people).
- Work in Agile/Scrum teams.
- Deliver quality solutions to customers by implementing relevant tools/ frameworks/ libraries in Hyperledger.
- Experience in the role of a senior developer/tech lead for blockchain and non-blockchain-based projects. (At least 3 to 5 projects)
- Hands-on experience with Enterprise Blockchain platforms (particularly Hyperledger ONLY) and a good awareness of others, to evaluate and drive the selection of the right platform for the area of implementation.
- Must be well versed with software design and development methodologies for web application development using Java/Java EE/Open Source or Microsoft .NET technologies.
- Mandatory experience in implementing Blockchain applications/projects using MEAN/MERN/Java/Go technology stack, Git, Linux/ Ubuntu/ MacOs/ Windows/ Virtual machines.
- Understanding of smart contracts and experience in developing smart contracts (Node/ JavaScript/ Go/ Java) for at least 2 live projects.
- Knowledge of design considerations, best practices, and standards for designing smart contract-based solutions for decentralized applications.
- Understanding of common tools/ frameworks/ libraries used for quality software development and Blockchain implementation, including those for Hyperledger.
- Knowledge of common architecture patterns for applications (MVC, SPA), cloud, data storage, security, API/Integration, serverless architectures, etc.
- Experience in using (and configuring) CI/CD pipelines (and know-how of DevOps) for blockchain projects.
- Experience in leading small development teams (3-5 people) and should have worked in Agile/Scrum teams.
- Strong verbal and written communication skills; must be comfortable with client and stakeholder interactions.
- Good understanding of IPFS and IPNS protocols.
- Interest to learn and apply learning to design and implement blockchain solutions
- Record of publication of good quality blogs and papers.
- Completion of relevant certifications: Blockchain developer, Java EE / Web Application Developer, Cloud Certification, etc.
About us:
Zemoso Technologies is a Software Product Market Fit Studio that brings silicon valley style rapid prototyping and rapid application builds to Entrepreneurs and Corporate innovation. We offer Innovation as a service and work on ideas from scratch and take it to the Product Market Fit stage using Design Thinking->Lean Execution->Agile Methodology.
We were featured as one of Deloitte Fastest 50 growing tech companies from India thrice (2016, 2018 and 2019). We were also featured in Deloitte Technology Fast 500 Asia Pacific both in 2016 and 2018.
We are located in Hyderabad, India, and Dallas, US. We have recently incorporated another office in Waterloo, Canada.
Our founders have had past successes - founded a decision management company acquired by SAP AG (now part of Hana Big data stack & NetWeaver BPM), early engineering team of Zoho (leading billion $ SaaS player) & some Private Equity experience.
Marquee customers along with some exciting start-ups are part of our clientele.
Rejolut is among the fastest-growing and award winning Tech companies working on leading technologies namely Blockchain, Machine Learning & Artificial Intelligence, Complex mobile & Web Apps, IoT, etc.Rejolut is a venture-backed company with clients in over several countries namely Malaysia Airlines,gba global,my-earth,biomes, Dlg-hub,etc.
We are looking for Tech geeks having hands-on experience and in love with building scalable, distributed and large web/mobile products and tech solutions. He/She must be an excellent problem solver with passion to self-learn and implement web technologies (frontend + backend). He/She would be responsible for the architecture design, code review, and technology build and deployment activities of the product.
website: https://rejolut.com/" target="_blank">https://rejolut.com/
Job Description
1. Good knowledge of Rust & Solidity
2. Should have a deep understanding & knowledge of blockchain architecture & use cases.
3. Experience in writing smart contracts for large-scale production blockchain applications.
4. Should have good analytical & problem-solving skills.
5. Should have ability to design database and back-end development to communicate with blockchain.
6. Candidates with research aptitude will be preferred.
7. Experience in cryptocurrencies would be preferred
8. Must have a minimum 2+ years of experience.
Benefits :
> Health Insurance
> Work from Home
> Fast growth and more visibility into the company
> Experience to work on the latest technology
> Competitive Learning Environment with supportive co-workers
> Employee friendly HR Policies
> Paid leaves up to certain limits
> Competitive salaries & Bonuses
> Liberal working atmosphere
> Get mentored by the best in the industry
Work Schedule:
Day Shift/Flexible working hours
Monday to Friday
Mobiloitte is a Premier, Full Service Software Development Company for Blockchain, IoT, Artificial Intelligence, BOTS, Mobile, and Web Development with a special focus on Timeliness, Security, Scale, and Performance. Our teams have worked across the industries and verticals while servicing more than 5000 projects so far. This rich experience with global clientele and varied technology landscape has shaped us into a winning team with a magic sauce of EXPERIENCE-EXUBERANCE-
We have an opening for Blockchain Developer.(Ethereum /Hyperledger)-
Job Title: Blockchain Developer (Ethereum /Hyperledger)
Reports to: Project Manager
Experience: 1-5 Years
Company Name : Mobiloitte Technologies.
Website : http://www.mobiloitte.com/" target="_blank">www.mobiloitte.com
Location: New Delhi
Qualifications: B.E/B.Tech
Roles & Responsibilities:
1. Must have experience with combination of following DLT (Distributed Ledger Technology) related: Hyperledger Fabric, Sawtooth, Iroha, Node.js, Go, Composer, Ethereum, Solidity, Truffle, web3.js, Geth, Corda, NEO
2. Experience with containerization (Docker) and cloud-based computing (AWS, Bluemix, Azure) is a plus
3. Experience in pre-sales activities (proposal, client meetings, presentations)
4. Individual contributor with excellent analytical skills and ability to think out of the box (experience with requirements gathering/engineering are an advantage)
5. Excellent interpersonal and communication skills, including strong presentation skills
Desired Skills:
1. Hyperledger Fabric projects implementation experience is mandatory
2. Must have strong experience in writing chain code using Go Lang
3. Must have strong experience in implementing apps on top of Hyperledger Fabric using Angular or React front-end and NodeJS services
4.Hands on experience on-stellar,parity,R3 Corda,ethereum.
5.Should be hands on Consensus like-PBFT,PoW (Ethash)SCP (Steller Consensus Protocol) etc…
6.Good knowledge on Privacy like- public,private.
7.Must have ability to work collaboratively with a distributed agile team and deliver with high quality
8.Must have strong experience in DevOps using Git, Jenkins, Dockers, Kubernetes
9. Any experience in one of the Cloud platforms AWS or Azure or IBM BlueMix is an advantage
10.Business domain knowledge in Finance will be an added advantage.

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Work at Arcana
Arcana is The Storage Layer for Ethereum with a Privacy Stack for developers to build secure and privacy preserving apps. Users care about privacy now more than ever before and it is becoming a first-class citizen in the modern development stack. Arcana makes it easier for apps to be privacy-focused out of the box.
With Arcana’s privacy stack, developers give control of data back to their users. They can easily integrate our SDK with their apps and use our modular feature blocks for Authentication, Identity Management, Encryption, Access Control, and Decentralized Storage. All of which are secured by and verifiable on the blockchain.
Visit http://www.arcana.network/">www.arcana.network to learn more about us, our backers, and our offerings
Role Description
Arcana is stack of services to help developers build more secure and privacy preserving apps.
We are looking to onboard a lead for our blockchain engineering team. At Arcana we are building our own sovereign EVM compatible chain with its own set of validators. Security, Scalability and Interoperability are the primary goals of the blockchain and we're looking to put together some of the best minds to achieve this. This is a full-time role and completely remote friendly.
Requirements
- Experience in managing a team of engineers for at least 2+ years.
- Must have significant experience with Geth (Go Ethereum) or equivalent blockchain nodes and p2p
- Must be proficient with Golang
- Deep understanding of Blockchain, Solidity, Assembly, and the EVM
- Experience in standard software practices including clean code, unit tests and CI/CD
- Knowledge of Rust, Javascript, Typescript or Node.js is a plus
- Active member of the dev community will be a plus (e.g. experience contributing to OSS or EIPs)
- Experience in leading and communicating with remote teams
Skillset: strong knowledge of NFT's
Exp: 6+ Years
looking for Freelancer

