GenLayer Labs

AI-First Developer, Builder – Python, Full-Stack

GenLayer Labs

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Location Type: Hybrid

Location: Barcelona • Spain

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Tech Stack

CloudDockerNode.jsPythonReact

About the role

  • Build AI-driven tools, prototypes, and internal systems.
  • Develop Python backends and APIs for AI-powered features.
  • Work with LLMs, agents, and RAG pipelines.
  • Prototype AI-assisted developer workflows.
  • Experiment with new AI capabilities for intelligent contracts.
  • Design small full-stack applications (backend + simple frontend).
  • Use AI copilots and agents extensively in development.
  • Collaborate closely with a small team to rapidly test and iterate on ideas.

Requirements

  • Strong Python development.
  • Experience building APIs or backend systems.
  • Comfortable with modern full-stack development (React, Node, etc. is a plus).
  • Experience with LLMs, AI APIs, or AI tooling.
  • Familiarity with LangChain, vector databases, RAG, or agents is a plus.
  • Builder mentality -- you like shipping things.
  • Comfortable working with AI-assisted coding tools.
  • Curious and experimental.
  • Able to work autonomously in a fast-moving environment.
  • Comfortable working with uncertain or evolving specifications.
  • Experience with crypto, blockchain, or smart contracts
  • Experience with Docker, cloud infrastructure, or CI/CD
  • Familiarity with data pipelines or document processing
Benefits
  • Total rewards package including competitive salary,equity package, and benefits.
  • Flexible and remote work environment.
  • Opportunity to build the marketing function for a VC-backed start-up at the intersection of blockchain and AI
  • Professional development and growth opportunities.
  • Be a part of a dynamic and innovative team that is shaping the future of decentralized applications
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
PythonAPIsbackend developmentfull-stack developmentLLMsAI toolingLangChainRAGDockerCI/CD
Soft Skills
builder mentalitycuriousexperimentalautonomousadaptable