Senior Level Blockchain Developer (Solidity)

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.

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.

• 4-6 years of proven experience as a Full stack engineer
• 2+ years of Blockchain development experience in Hyperledger Fabric, IPFS and development of smart contracts in Golang.
• Good understanding of multiple Blockchain platforms such as Hyperledger Fabric, Quorum, Ethereum etc
• Experience in Java, JavaScript Experience in developing and designing RESTful services and APIs
• Experience in Microservices architecture
• Sound knowledge on Docker and Kubernetes applications
• Experience in Banking, Financial and Fintech domain is an added advantage
• Familiarity with Blockchain protocols is a plus
• Knowledge of Agile development environment is preferable
• Ability to work within a fast-paced, collaborative environment and handling multiple projects
• Customer-first mentality, intellectual curiosity, and hunger
• Interested in learning new technologies, creative, open-minded and a great team player
• Bachelors or master’s degree in engineering (preferably Computer Science or Information Technology)

Designation - Blockchain developers

Work Mode :- Remote

Qualifications and Experience:

• The Blockchain developer will be responsible for designing, developing and implementing blockchain solutions.
• Candidates must be from Bachelor of Engineering Background.Freshers do not apply
• Minimum 3-5 years of hands on Experience in Blockchain,solidity,RUST,IDO and Token launches is mandatory.
• We are looking Candidates should who can join us immediately or 15 days

We are a research and product development studio focusing on building applications powered by blockchain and AI technology.

We are looking for a DeFi Software Engineer with a deep understanding of Ethereum and tons of curiosity!

What are we building: We are building a peer-to-pool-based derivatives trading platform (perps and options) with novel mechanics where liquidity providers can choose whether they want to be actively or passively involved in making the market.

Responsibilities

1. Designing, building, and testing smart contracts and related infrastructure

2. Researching new DeFi protocols and their connectors and building on them

3. Building real-time monitoring tools and working with our team on latency-sensitive operations

4. Staying up to date on any developments in Defi relevant to the project

Qualifications

1. Must have extensive knowledge of Solidity, smart contract development (web3js or eth-brownie), testing and deploying a functioning smart contract on an EVM chain

2. Knowledge of Python (knowledge of Golang/Rust programming is pleasant to have).

3. Must be comfortable working with either eth-brownie

4. Comfortable working in a dynamic, research-oriented team with several ongoing concurrent projects

5. You look forward to working with an interdisciplinary team that longs to find solutions together.

6. Deep technical and practical understanding of DeFi protocols*

7. *Knowledge of DeFi isn't a must but it is a big plus! The number of years of experience does not matter as long as you have built complex projects from scratch, have a burning desire to learn more, constantly improve yourself, and solve tricky problems daily.

We're a small team so you can assure yourself that whatever you contribute - in terms of engineering, or otherwise - is always heard and discussed.

Benefits

1. Competitive salary and performance-based bonuses

2. Equity in the protocol

3. A unique open research environment, where everybody contributes and sees the full spectrum of our work, from inception to production

4. The chance to shape our firm's legacy and exchange knowledge with the team on every part of what we do. The role is remote. Please share GitHub profiles and details of previous projects worked on (both commercial and personal)

Responsibilities:

• Develop application functionality using various coding languages.
• Setting security measures against various types of cybercrimes.
• Maintain client and server-side applications.
• Train the fellow team members on blockchain technology.
• Attend meetings, brainstorm sessions, and daily standup for enhancing your knowledge of new technologies.
• Adhering to all the rules and regulations of data protection for digital payments.
• Staying updated with the latest crypto technologies for data protection.

Required Skills:

• 6+ years of exp in Designing, developing, and testing blockchain systems.
• Ability to write efficient and modular code.
• Good exp in preparing documentation on the blockchain development processes.
• Securing the blockchain network with new technologies.
• Utilize cryptography techniques to protect against hackers and other cyber attacks.

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