Blockchain Developer

Bright Vision Technologies; United States; A distancia; USD 140.000 - 200.000; Jornada completa

Descripción de la vacante

Bright Vision Technologies is seeking a Blockchain Developer for a fully remote role in the United States. You will design and build enterprise-grade blockchain solutions and smart contracts, integrating with cloud-native microservices and traditional apps.

Ideal candidates have deep blockchain expertise, strong software engineering fundamentals, and hands-on experience with Ethereum-compatible networks and modern dev stacks.

Formación

• 6+ years of software development experience in enterprise apps.
• 3+ years of blockchain development with production solutions.
• Strong Solidity development and EVM familiarity.
• Proficiency with Node.js or C#/Java backend, and React/Angular/Vue frontends.
• Experience integrating with Ethereum, Hyperledger, Polygon, or similar networks.

Responsabilidades

• Design and develop secure smart contracts for enterprise blockchain apps.
• Build backend services that interact with blockchain networks for processing.
• Develop RESTful and GraphQL APIs for blockchain features.
• Model token standards and on-chain/off-chain workflows.
• Integrate with Ethereum, Hyperledger Fabric, Polygon, and others.
• Create wallet integrations and key management workflows.
• Audit and test smart contracts for security and performance.
• Collaborate with DevOps to deploy on Azure or AWS.
• Participate in code reviews, design sessions, and production support.

Conocimientos

Software development

Blockchain development

Smart contract programming (Solidity)

JavaScript/TypeScript

Backend development (C#/.NET Core,Java

DApps with React/Angular/Vue

REST/GraphQL APIs

SQL/NoSQL databases

CI/CD & Git

Herramientas

Solidity tooling

Ethereum

Hyperledger Fabric

Truffle

Hardhat

Remix IDE

Web3.js

Azure/AWS

Descripción del empleo

Blockchain Developer - Remote

Bright Vision Technologies is a technology consulting and software development company delivering cloud, AI, data, and enterprise solutions across the United States.

This is a fantastic opportunity to join an established and well-respected organization offering tremendous career growth potential.

Job Title: Blockchain Developer

Location: 100% Remote (U.S.)

Position Type: Full-time, Direct W2

Salary Range: $140,000-$200,000 Annually

Experience Required: 6+ years

Sponsorship: U.S. Citizens, Green Card Holders, EAD Holders, and H-1B transfer candidates are encouraged to apply. We are unable to sponsor new H-1B visa petitions for this position.

Job Summary

We are seeking an experienced Blockchain Developer to design, build, and maintain enterprise-grade decentralized applications (dApps), smart contract platforms, and blockchain-integrated backend services supporting financial services, digital asset management, and enterprise transaction processing. This role focuses on building secure, scalable blockchain solutions that integrate seamlessly with cloud-native microservices and traditional enterprise applications.

You will work closely with solution architects, security engineers, DevOps teams, and product owners to develop smart contracts, blockchain APIs, digital wallet integrations, tokenization platforms, and secure transaction processing systems. The ideal candidate possesses deep expertise in blockchain protocols, smart contract development, distributed systems, and cloud infrastructure while maintaining strong software engineering fundamentals.

Key Responsibilities

• Design and develop secure smart contracts for enterprise blockchain applications using Solidity or other smart contract languages.
• Build scalable backend services that interact with blockchain networks for transaction processing, asset management, and identity verification.
• Develop RESTful and GraphQL APIs to expose blockchain functionality to web and mobile applications.
• Design blockchain data models, token standards, and transaction workflows for high-volume enterprise systems.
• Integrate enterprise applications with Ethereum, Hyperledger Fabric, Polygon, Avalanche, or other blockchain platforms.
• Develop secure wallet integrations, digital signature workflows, and key management solutions.
• Implement blockchain event listeners, indexing services, and off-chain processing components.
• Build scalable microservices using .NET Core, Java, or Node.js that interact with blockchain networks.
• Optimize smart contracts for gas efficiency, scalability, and transaction throughput.
• Perform smart contract audits, security testing, and vulnerability assessments before production deployments.
• Collaborate with DevOps teams to deploy blockchain infrastructure across Azure or AWS cloud environments.
• Participate in architectural reviews, code reviews, technical design sessions, and production support activities.
• Troubleshoot complex blockchain network issues, transaction failures, synchronization problems, and production incidents.

Required Skills

• Six or more years of professional software development experience building enterprise-grade distributed applications.
• Three or more years of hands-on blockchain development experience delivering production blockchain solutions.
• Strong experience developing smart contracts using Solidity and Ethereum Virtual Machine (EVM)-compatible networks.
• Hands-on experience with blockchain platforms such as Ethereum, Hyperledger Fabric, Polygon, Avalanche, Binance Smart Chain, or Quorum.
• Strong proficiency in JavaScript/TypeScript with Node.js or backend development using C#/.NET Core or Java.
• Experience building decentralized applications (dApps) with React, Angular, or Vue.js.
• Strong understanding of blockchain architecture, consensus algorithms, cryptographic hashing, digital signatures, Merkle trees, and distributed ledger concepts.
• Experience implementing ERC-20, ERC-721, ERC-1155, or custom token standards.
• Experience integrating wallets such as MetaMask, WalletConnect, Coinbase Wallet, or enterprise custody platforms.
• Strong experience with REST APIs, GraphQL APIs, WebSockets, and blockchain RPC interfaces.
• Experience working with SQL and NoSQL databases including PostgreSQL, SQL Server, MongoDB, or Redis.
• Hands-on experience with Git, CI/CD pipelines, automated deployments, and release management.
• Experience deploying applications on Azure or AWS cloud platforms.
• Strong debugging, performance optimization, and troubleshooting skills in production environments.
• Experience working within Agile Scrum development teams.

Preferred Qualifications

• Experience designing enterprise blockchain solutions for financial services, healthcare, insurance, or supply chain industries.
• Hands-on experience with Hyperledger Fabric chaincode development using Go or Java.
• Experience with Layer-2 scaling solutions including Polygon, Arbitrum, or Optimism.
• Familiarity with Zero-Knowledge Proofs (ZKP), Multi-Party Computation (MPC), or privacy-preserving blockchain technologies.
• Experience implementing decentralized identity (DID) and Verifiable Credentials (VC).
• Knowledge of blockchain security standards, smart contract auditing tools, and common vulnerabilities such as reentrancy, overflow, front-running, and flash loan attacks.
• Experience using Hardhat, Foundry, Truffle, Ganache, Brownie, or Remix IDE.
• Familiarity with Docker, Kubernetes, Terraform, and Infrastructure as Code.
• Experience integrating blockchain applications with enterprise identity providers including Azure Active Directory or OAuth.
• Blockchain certifications or contributions to open-source blockchain projects are highly desirable.

Project Environment

• Digital asset tokenization and lifecycle management
• Smart contract-driven business workflows
• Enterprise wallet and digital identity integration
• Real-time blockchain event processing
• Secure multi-signature transaction approval systems
• Blockchain analytics and reporting dashboards
• Cloud-native microservices deployed on Azure and AWS
• High-availability distributed systems supporting millions of secure transactions annually

This is a hands-on engineering role where you'll contribute to architecture, development, deployment, security, and operational excellence across mission-critical blockchain solutions.

Bright Vision Technologies is an Equal Opportunity Employer.

Equal Employment Opportunity (EEO) Statement

Bright Vision Technologies (BV Teck) is committed to equal employment opportunity (EEO) for all employees and applicants without regard to race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, veteran status, or any other protected status as defined by applicable federal, state, or local laws. This commitment extends to all aspects of employment, including recruitment, hiring, training, compensation, promotion, transfer, leaves of absence, termination, layoffs, and recall.

BV Teck expressly prohibits any form of workplace harassment or discrimination. Any improper interference with employees' ability to perform their job duties may result in disciplinary action up to and including termination of employment.