Blockchain Developer

Blockchain Developer

Location: India, Remote

Employment Type: Full-Time / Contract

Department: Engineering

About Us

OpenAssets is building open standards for the next generation of capital markets, providing the trusted foundation for real-world asset tokenization and digital currencies.

We specialize in alternative asset digitization, offering regulatory-conscious tools to design, issue, and manage digital assets in complex financial environments. We also develop loyalty solutions that turn customer engagement into programmable digital assets, helping brands create personalized experiences that drive growth.

OpenAssets operates at the intersection of finance, technology, and regulation focused on building secure, scalable, and open infrastructure for the future of digital markets. Join OpenAssets and be part of shaping the future of digital finance!

Overview

We are seeking a Blockchain Developer to lead the technical implementation of our Web3 infrastructure. In this role, you will be responsible for the end-to-end lifecycle of smart contracts and their integration into our broader financial ecosystem. You will act as a technical authority on blockchain security, scalability, and architecture, ensuring our platform meets the rigorous demands of institutional digital finance.

What You’ll Do

Smart Contract & Blockchain Development

• Design, develop, test, and deploy smart contracts and blockchain applications.
• Build and maintain secure, scalable backend services for blockchain products.
• Develop and maintain cross-platform applications that integrate with on-chain infrastructure.
• Integrate wallets, payment systems, and blockchain APIs with existing systems.
• Optimize for gas efficiency, transaction latency, reliability, and scalability.

Security & Quality

• Implement and uphold best practices for blockchain security and smart contract auditing.
• Review smart contracts and backend code for security vulnerabilities and performance issues.
• Support audits, security reviews, and production releases.
• Maintain high test coverage and disciplined release processes.

Collaboration & Communication

• Collaborate with product and engineering teams to define and deliver technical requirements.
• Communicate technical concepts clearly to both technical and non-technical stakeholders.
• Mentor junior engineers and contribute to a strong engineering culture.
• Stay current with emerging blockchain technologies, DeFi, and Web3 infrastructure trends.

Qualifications & Experience

• Experience: 3+ years of software engineering experience with at least 3+ years of hands-on blockchain/Web3 development.
• Blockchain Core: Strong experience with Solidity and EVM-compatible chains (Ethereum, Polygon, and others).
• Production Deployment: Proven track record building, testing, deploying, and maintaining smart contracts in production.
• Deep Technical Knowledge: Solid understanding of blockchain architecture, including consensus mechanisms, gas optimization, wallet flows, token standards, and transaction lifecycles.
• Full-Stack Proficiency: Good understanding of the MERN stack (MongoDB, Express.js, React, Node.js) and how full-stack applications integrate with blockchain infrastructure.
• Backend Expertise: Proficiency in Node.js and TypeScript with experience building RESTful backend applications.
• Testing & Tooling: Experience with smart contract and backend testing frameworks (e.g., Foundry, Hardhat, Mocha, Jest) and Web3 libraries like Ethers.js or Web3.js.
• Cloud Infrastructure: Hands-on experience with AWS, including deploying, managing, and scaling services like EC2, S3, Lambda, and RDS.
• Databases & DevOps: Comfortable with relational (PostgreSQL) and non-relational (MongoDB) databases, Git, and collaborative development workflows.
• Soft Skills: Strong communication skills in English with the ability to articulate technical concepts to diverse stakeholders.

Nice to Have

• Familiarity with the Move language (Sui, Aptos).
• Experience with smart contract audit tooling such as Slither, Mythril, or Manticore.
• Exposure to RWA tokenization, DeFi, stablecoins, NFTs, staking, or bridging protocols.
• Professional background in fintech, payments, or regulated blockchain use cases.

We are committed to providing equal opportunity for qualified applicants to contract positions, regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status. This is a contract opportunity, not a direct employment role.

Job Title : Lead Blockchain Developer

Experience : 5+ Years

Location : Indore (WFO/Remote)

Employment Type : Contractual

Job Summary :

We’re seeking a Lead Blockchain Developer with 5+ Years of experience in building scalable, decentralized applications. The ideal candidate has expertise in Rust, Golang, Solidity, and Node.js, with hands-on experience in Geth, Docker, and blockchain infrastructure.

Mandatory Skills : Rust, Golang, Solidity, Node.js, Geth, Docker, Ethereum architecture, Smart Contracts, Blockchain Protocols.

Key Responsibilities :

• Design and develop core blockchain protocols and infrastructure.
• Build and deploy secure smart contracts using Solidity.
• Develop tools/services for Ethereum and related networks.
• Work on performant node-level development using Rust and Golang.
• Build APIs and backend services in Node.js.
• Manage containerized environments using Docker.
• Collaborate on system architecture and conduct code reviews.
• Stay updated on blockchain trends and implement best practices.

Key Requirements :

• Strong skills in Rust, Golang, Solidity, Node.js.
• Deep understanding of Ethereum, Geth, and blockchain concepts.
• Experience with Docker, API development, and smart contract security.
• Knowledge of consensus algorithms, cryptography, and performance tuning.
• Familiarity with CI/CD pipelines and DevOps tools is a plus.

Preferred Qualifications :

• Bachelor's/Master’s in CS or related field.
• Prior contributions to open-source or Web3 projects.

• Expertise in Typescript, Nodejs and Golang. 
• Prior working experience in Hyperledger 2.x. 
• Strong understanding of blockchain, smart contracts, consensus mechanisms and cryptography. 
• Proficiency in developing Chain codes/Smart Contracts. 
• Experience building front end applications using Angular. 
• Proficient in MongoDB. 
• Experience with Relation databases like MySQL, MSSQL. 
• Write application code, smart contracts, and unit test cases according to the quality guidelines. 
• Work across multiple teams, mentor junior developers and actively participate in code reviews. 
• Co-ordinate with architects to produce technical designs.  
• Skilled in Docker, Kubernetes, Nginx, Git. 
• Knowledge of design patterns and best practices. 
• Document the development process, architecture, and standard components. 
• Awareness of CI/CD pipelines.

We are looking for a Blockchain Developer with a focus on scaling best

practices, reducing engineer toil, and ensuring reliability and stability of the NST Blockchain Platform. This engineer will also work with all engineers to understand pain points and find a balance in the “now” vs the “future”, while also proposing foundational Blockchain. This individual will need to take into consideration performance, reliability, stability, and developer happiness to ensure that we are providing a world-class community-building experience for our internal team, external contributors, creators, and users.

Priorities can change in a fast-paced environment like ours, so this role

includes, but is not limited to the following:

1. At least 3+ years of work experience in blockchain related projects

(preferably enterprise blockchain)

2. Good knowledge in Hyperledger Fabric related projects.

3. Knowledge of Data Structures is preferred.

4. Good with either one of the programming languages: JavaScript or Golang

(preferably Golang)

5. Experience working with some DevOps tools like docker, docker-compose,

ansible. (Knowledge of Kubernetes is even better)

6. Experience working with both SQL & NoSQL Databases, DB Migration,

Disaster Recovery.

7. Should be able to manage a small team, in terms of work management,

coding sessions, code review.

8. Good communications skills.

9. Additional certification in either Hyperledger or Kubernetes is preferred.

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-EXPERTISE combined and enables us to provide top-notch services and solutions.

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.

• Working with various departments to coordinate and develop digital CRM solutions including bespoke in-house software
• Writing clean, manageable code and maintaining proper documentation
• Writing smart contract integration in JS using web3 like libraries

What you need to have:

• Minimum 2 years of hands-on experience with Solidity and Ethereum like Blockchains
• Experience in deploying smart contracts
• Experience in MEAN stack
• Understanding of blockchain concepts
• Experience with distributed storage is plus
• Ability to work within the team and independently
• Strong organizational, time management and analytical skills    

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

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.

• 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

ROLES & RESPONSIBILITIES:

• Responsible for Blockchain evaluation, smart contract development, implementation supporting the digital strategy group initiatives.
• Must have hands-on experience using Solidity.
• Experience in setting up Blockchain nodes and networks.
• Design and develop the architecture of Blockchain Solutions from a systemic standpoint.
• Responsible for creating technical solution architecture for a given business problem.
• Responsible for quality of the application and implements necessary checks and balances via peer review, code scans, automated tests.
• Set the standards for design and development.
• Oversees, maintains,s and supports existing software applications.
• Provide subject matter expertise in reviewing, analyzing, and resolving complex issues.
• Prepare user and systems documentation as needed.
• Design & implement Blockchain solutions which may run on Blockchain platforms and composed of multiple software packages based on Solution Architect.
• Lead a team of Blockchain juniors/trainees.
• Work with product managers and other product teams.
• Well versed in using GitHub.
• Should be flexible to explore different blockchains be it Ethereum, Ripple, Tron, AVA, Multichain, etc

Job description for Blockchain Developer

Responsibilities

• Create architecture features and interfaces by using programming languages
• Research and design blockchain technologies
• Develop and test blockchain technologies – Ethereum and Polkadot
• Protecting the application from bugs and cyber-attacks.
• Working closely with engineers, sales personnel, and other teams in designing and creating innovative solutions.
• Research, create and document existing and new blockchain structures and proposed solutions
• Writing excellent multithreaded codes
• Analysing the needs, resources, and problems of the company and provide necessary
solutions
• Working with open-source projects and codebases
• Keeping up with current blockchain technology and cryptocurrency trends

Requirement skills

• Strong background in software development or engineering with 2-3 years of relevant experience
• Strong conceptual knowledge on DeFi platforms
• Experience with solidity and node.js must
• Knowledge in go or rust
• Strong back-end skills
• Algorithms & data structures
• Basic knowledge of cryptography
• Peer-to-peer or P2P networks
• Qt Widgets module for GUI wallet application.
• Knowledge of current technology like microservice architectures and Docker
containers.
• B.E/B.Tech/BSc in Computer Science, Mathematics or similar field; Master’s degree
is a plus

Salary: Based on industry standards