Job Category: Financial Technology
Blockchain Developer
Salary: $100,000 – $190,000 per year
Location: Seattle, WA – Hybrid
Type: Full-Time
Industry: FinTech / Blockchain
Job Description
MastarRec is hiring a Blockchain Developer to support innovative financial technology platforms operating across the United States. This role focuses on building, scaling, and securing modern financial systems in a fast-paced environment.
Experience
- Minimum 3–4 years of software engineering experience, including blockchain development.
Key Responsibilities
- Design, develop, and deploy smart contracts using Solidity on Ethereum and compatible EVM blockchains.
- Build and maintain dApps, including wallets, exchanges, and DeFi protocols.
- Integrate blockchain technologies with existing systems, APIs, and cloud infrastructures.
- Design, build, or manage FinTech platforms and solutions
- Collaborate with engineering, product, and compliance teams
- Ensure regulatory and security best practices
- Support scalability, performance, and reliability
Required Skills
- FinTech or financial systems knowledge
- Data, risk, or software development expertise
- Strong analytical and communication skills
- Experience with blockchain frameworks such as Truffle, Hardhat.
- Strong understanding of cryptographic principles, decentralized networks, and consensus mechanisms.
Desired Skills
- Exposure to Polkadot, Cosmos, or Solana ecosystems.
- Experience with Layer 2 solutions (e.g., Arbitrum, Optimism).
- Understanding of zero-knowledge proofs (zk-SNARKs / zk-Rollups).
- Payments, lending, or blockchain experience
- Regulatory or compliance knowledge
- Familiarity with containerization (Docker) and CI/CD pipelines.
Job Benefits
- Competitive base salary plus crypto or equity incentives
- Flexible remote-first work environment
- Competitive salary and bonus potential
- Health, dental, and vision insurance
- Equity or incentive programs (role dependent)
- Comprehensive health and wellness support
Education
- A degree in Computer Science or equivalent hands-on experience.
Additional Details
- Experience Required: 1+ years in blockchain development; 2-4+ years in software engineering
- Sponsorship: Not considered
