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Intermediate Software Engineer (Blockchain integration team) - OP02178

17 hours, 55 minutes ago
Spain, Bulgaria, Poland, Portugal
Full-time
Junior
Blockchain Developer
Software Development
Blockchain Docker Microservices Node.js Python TypeScript
Apply Now
Dev.Pro

Dev.Pro

Dev.Pro is a globally distributed software development partner, specializing in custom outsourced software development for innovative technology companies to scale their businesses efficiently.

Internet Software & Services
251-1K
Founded 2011
View All Jobs 50

Description

  • Develop and maintain smart contracts, on-chain logic, and services that connect platform components to blockchain capabilities.
  • Contribute to the blockchain developer tooling layer, including MCP servers and chain APIs, for AI Agent and platform teams.
  • Collaborate with the team lead and senior engineers on technical design.
  • Own feature implementation from design through testing and deployment.
  • Participate in code reviews and write automated tests.
  • Maintain quality across both on-chain and off-chain components.
  • Troubleshoot transaction failures, contract interaction issues, and integration bugs across distributed systems.
  • Document implementation details and contribute to technical diagrams when needed.

Requirements

  • 2-4 years of blockchain development experience with smart contracts, dApps, on-chain logic, or blockchain services.
  • Experience implementing and testing smart contracts in production or near-production environments.
  • Solid understanding of blockchain fundamentals, including transactions, wallets, gas models, on-chain state, and contract interactions.
  • Experience implementing direct blockchain interactions, including contract calls, event handling, transactions, and error recovery.
  • Experience with blockchain developer tooling or integration layers such as SDKs, MCP servers, or chain interaction APIs.
  • Strong engineering fundamentals, including clean code, testing, and debugging distributed systems.
  • Experience with at least one backend programming language and API development.
  • Experience with Docker and microservices-based applications.
  • Strong communication and collaboration skills, including the ability to explain technical trade-offs.
  • Motivation to build deep blockchain expertise.
  • Experience building backend services with Node.js/TypeScript or Python is desirable.
  • Hands-on experience using AI-assisted development tools such as Cursor or Claude Code is desirable.

Benefits

  • 30 paid days off per year.
  • 5 paid sick days, up to 60 days of medical leave, and 6 paid days off per year for major family events.
  • Partially covered health insurance after probation.
  • Wellness bonus for gym memberships, sports nutrition, and similar needs after 6 months.
  • English lessons, online training, and conferences.
  • Opportunity to explore new career paths.
  • Remote-first work with the freedom to work from anywhere.

Interested in this position?

Apply directly on the company website

Apply Now

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