Ai-First Developer / Builder (Python & Full-Stack)

About GenLayer Labs
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GenLayer Labs – Barcelona (Hybrid)
GenLayer Labs is a decentralized AI research collective building the trust infrastructure for the AI Age. We are the developers of GenLayer—an open, AI-driven Court of the Internet—a synthetic jurisdiction where autonomous agents and protocols can reason, transact, and govern at machine speed with sovereignty, transparency, and trust. Our infrastructure enables autonomous agents and smart contracts to access live web data, interpret natural language, and resolve disputes using AI consensus.
Backed by Maelstrom (Arthur Hayes), Arrington Capital, and North Island Ventures, we’re defining a new category of decentralized infrastructure: trustless decision-making for the AI age.
Role overview
We are hiring an
AI-First Developer / Builder
to work on prototypes, tools, and internal systems that push the boundaries of what intelligent contracts and AI-enabled infrastructure can do.
You will collaborate closely with a small technical team and work in a highly
AI-assisted development environment, using tools like Claude Code, OpenClaw and other agent-based workflows to accelerate exploration and development.
This role is ideal for someone who:
enjoys
building quickly.
is comfortable with
ambiguity and experimentation.
uses
AI agents as part of their daily workflow.
wants to work on
cutting-edge AI + blockchain infrastructure.
What you’ll do
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.
What we’re looking for
We care much more about
how you build
than how many years of experience you have.
Strong candidates typically have:
Core skills
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.
Mindset
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.
Nice to have
Experience with
crypto, blockchain, or smart contracts
Experience with
Docker, cloud infrastructure, or CI/CD
Familiarity with
data pipelines or document processing
Location
Hybrid role based in
Barcelona .
We work mostly remotely but value regular in-person collaboration.
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. xhfqzwm
Join GenLayer Labs and be a part of a team that is pushing the boundaries of what is possible with AI and blockchain technology.
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