Senior Full Stack Blockchain Engineer

Company Description

TechHarbor Partners is dedicated to guiding businesses and individuals through the digital landscape with innovative solutions. The team at TechHarbor Partners believes in the power of technology and innovation to drive change and transformation, ensuring clients stay ahead of the curve in the digital age. Whether it's streamlining operations, enhancing customer experiences, or exploring new growth opportunities, TechHarbor Partners is committed to continuous improvement through technology.

Key Responsibilities

Smart Contract Development

• Design, develop, test, and deploy smart contracts using Solidity (bonus for Rust-based smart contracts)
• Implement and maintain subgraphs and substreams (The Graph) for on-chain data indexing and querying

Frontend Development

• Build and maintain modern frontend applications using Next.js, React, TypeScript, Wagmi, and Viem
• Create intuitive user interfaces that seamlessly interact with blockchain protocols

Backend & Infrastructure

• Develop and manage backend services, including REST APIs, using Node.js, Rust, or other modern frameworks
• Write and maintain scripts (JavaScript, Bash) for automation, tooling, and DevOps tasks
• Contribute to infrastructure using Docker, Kubernetes, and CI/CD pipelines

Collaboration & Quality

• Collaborate with cross-functional teams to define, design, and ship new features and systems
• Participate in code reviews, testing, and documentation to ensure high-quality software
• Stay current with the latest developments in Web3, blockchain, and infrastructure tooling

Essential Experience:

• 5+ years of software development experience across the full stack
• 2+ years hands-on experience with Solidity and smart contract development
• Proficiency in Rust (especially for backend or smart contracts)
• Strong expertise with TypeScript, React, Next.js, Wagmi, and Viem
• Experience building and consuming REST APIs
• Familiarity with subgraphs and substreams for blockchain data indexing
• Scripting experience with JavaScript, Bash, or similar languages

Infrastructure & DevOps:

• Solid understanding of containerization and orchestration tools like Docker and Kubernetes
• Experience with version control (Git), testing frameworks, and CI/CD pipelines
• Ability to work independently and take ownership of projects from concept to production
• Strong problem-solving skills and collaborative mindset

Advanced Web3 Skills:

• Experience with Chainlink tools, including CCIP, Data Feeds, VRF, and Automation
• Experience with multi-chain or cross-chain smart contract development
• Familiarity with DeFi protocols, on-chain financial primitives, or tokenomics

Specialized Technologies:

• Experience with Infrastructure-as-Code tools (e.g., Terraform, Helm)
• Contributions to open-source Web3 projects
• Background in distributed systems, event-driven architectures, or data streaming
• Experience with GraphQL, PostgreSQL, or NoSQL databases

Why Join Us?

• Remote-First Culture: Work from anywhere with a global, collaborative team
• Competitive Compensation based on experience
• Cutting-Edge Technology: Work on the latest Web3 infrastructure and decentralized applications
• Growth Opportunity: Be part of a rapidly expanding Web3 ecosystem with significant career advancement potential
• Impact-Driven Work: Build products that shape the future of decentralized finance and blockchain technology