Software Engineer - Stellar #3
FireblocksResponsibilities
- Design and build scalable backend services for high-volume on-chain transaction flows across EVM and non-EVM blockchain networks.
- Own backend components and APIs end to end, from architecture and technical decisions through production deployment.
- Lead integrations with DeFi protocols, on-chain data sources, blockchain nodes, and multiple chain ecosystems.
- Research emerging blockchain technologies, protocols, and standards.
- Optimize production systems for performance, reliability, security, latency, and throughput.
- Collaborate with product, protocol research, and platform engineering teams to deliver solutions.
- Drive features from inception through scaled production delivery.
Requirements
- 7+ years of experience as a Backend or Full Stack Engineer.
- Bachelor of Science degree or equivalent experience.
- Required blockchain and Web3 experience, including transaction lifecycles, consensus mechanisms, smart contract interactions, and on-chain data.
- Experience with multiple blockchain ecosystems, including EVM-compatible and non-EVM chains.
- Proficiency in Node.js and TypeScript.
- Experience designing and operating microservices in production CI/CD environments.
- Strong understanding of blockchain security principles, cryptography, and best practices.
- Experience taking products from inception to scaled delivery.
- Familiarity with DeFi protocols such as AMMs, lending markets, bridging infrastructure, or on-chain routing is preferred.
- Experience with Web3 tooling and libraries such as ethers.js, viem, web3.js, and Solana web3.js is preferred.
- Full-stack experience, including React and frontend development, is preferred.
Benefits
- Work on blockchain infrastructure with direct impact on DeFi scaling and digital-asset access.
- Collaborate with engineers, protocol researchers, and product teams in a global company.
- Competitive compensation, meaningful equity, target bonus eligibility for some roles, and generous benefits.
- For employees hired in Poland, the posting states an estimated gross annual compensation range of PLN 300,000–3800,000.
Tech Stack
Categories
About Fireblocks
Fireblocks is the world’s most trusted digital asset infrastructure company, empowering organizations of all sizes to build, manage and grow their business on the blockchain. With the industry’s most scalable and secure platform, we streamline stablecoin payments, settlement, custody, tokenization, trading, accounting operations, and compliance reporting- enabling everything from institutional finance to consumer-facing digital experiences across the largest ecosystem of banks, payment providers, stablecoin issuers, exchanges and custodians. Thousands of organizations - including Worldpay, BNY, Galaxy, and Revolut - trust Fireblocks to secure more than $14 trillion in digital asset transactions across 150+ blockchains. Learn more at fireblocks.com. --- Fireblocks operates globally with offices in the United States, United Kingdom, Israel, Hong Kong, Singapore, Germany, France, and Switzerland.