Software Engineer - Stellar #3

Fireblocks
Tel Aviv, Warsaw, Prague, Belgrade
Workplace: OnsiteFull timePLN 300,000 - 3,800,000 annuallyFunction: Software EngineeringEducation: bachelorsSkills: ["Systems thinking","Reliability","Security mindset","Collaboration","Clear communication"]

Build and operate backend services for high-volume on-chain transaction flows across EVM and non-EVM networks. Own end-to-end backend components and APIs, lead DeFi and blockchain node integrations, and evaluate emerging protocols and standards. Improve production performance, reliability, and security (including latency and throughput), working closely with product, protocol research, and platform engineering teams to ship features from inception to delivery at scale.

Loading

Loading job details...

Preparing the role view and application actions.

FursaFursa
Fireblocks
Fireblocks
2 days ago

Software Engineer - Stellar #3

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 17 hours agoStatus: Live

Job Summary

Build and operate backend services for high-volume on-chain transaction flows across EVM and non-EVM networks. Own end-to-end backend components and APIs, lead DeFi and blockchain node integrations, and evaluate emerging protocols and standards. Improve production performance, reliability, and security (including latency and throughput), working closely with product, protocol research, and platform engineering teams to ship features from inception to delivery at scale.
Location: Tel Aviv, Warsaw, Prague, Belgrade
Workplace: Onsite
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Design and build robust, scalable backend services for high-volume on-chain transaction flows across multiple blockchain networks (EVM and non-EVM).
  • •Own end-to-end development of backend components and APIs, from architecture decisions through production deployment.
  • •Lead integrations with DeFi protocols, on-chain data sources, and blockchain nodes across a wide range of chains.
  • •Research and evaluate emerging blockchain technologies, protocols, and standards to stay current.
  • •Optimize production systems for performance, reliability, and security, improving latency and throughput.

Pay and Benefits

Salary: PLN 300,000 - 3,800,000 annually
Equity and Bonus:Equity

Key Requirements

  • •7+ years of experience as a Backend or Full Stack Engineer.
  • •Bachelor’s degree (B.Sc.) or equivalent experience.
  • •Blockchain and Web3 experience, including transaction lifecycles, consensus mechanisms, smart contract interactions, and on-chain data.
  • •Experience across EVM and non-EVM blockchain ecosystems (e.g., Ethereum/Polygon/Arbitrum/Base and Solana/TON/Tron).
  • •Proficiency in Node.js and TypeScript, plus experience designing and operating microservices in CI/CD environments.
Experience:BlockchainWeb3DeFiEVMNon-EVM
Education:Bachelor's
Skills:Systems thinkingReliabilitySecurity mindsetCollaborationClear communication
Languages:English
Tech Stack:Node.jsTypeScriptMicroservicesCI/CDReactEthers.jsViemWeb3.jsSolana web3.js

Company Brief

Fireblocks
Provides institutional-grade digital asset custody, transfer, and settlement infrastructure enabling banks, exchanges, and enterprises to securely issue, store, and move cryptocurrencies and tokenized assets.
Industry: Fintech Infrastructure
Company Size: Large (251 to 1,000 employees)
Growth: Scaleup
Valuation: Unicorn (USD 1B+)
Funding: Series E+
Headquarters: New York, United States
Founded: 2018
WebsiteLinkedIn