5 hours ago
Remote, SpainSenior
Responsibilities
- Design and build the company’s agent architecture from the ground up.
- Ship agentic features into Summary AI and Invoice Fly.
- Develop evaluations to measure quality, identify failures, and guide improvements.
- Iterate on AI systems using real-world usage data.
- Research new models, tools, and techniques and determine which are suitable for the products.
- Own projects from initial architecture decisions through production and ongoing improvement.
- Communicate technical tradeoffs and align with stakeholders across teams.
Requirements
- 5+ years of experience building production systems.
- Experience building reliable AI agents used by real people.
- Ability to own architecture and delivery from a blank page through production.
- Experience evaluating AI systems and using data to prioritize improvements.
- Ability to track and assess new AI models and tools.
- Fast, quality-focused execution and iteration.
- Excellent problem-solving, analytical, communication, and technical tradeoff-explanation skills.
- Product-first mindset, attention to detail, autonomy, and strong ownership.
- Experience with subscription apps or mobile products is a plus.
- Contributions to open-source AI tooling are a plus.
Benefits
- Remote work from anywhere in Spain.
- Barcelona-based employees are encouraged to work from the Barcelona Tech City office at least two days per week.
- Flexible working hours.
- High-end development equipment.
- Permanent contract with competitive compensation.
- Opportunity to lead, grow, and take on significant challenges in an entrepreneurial startup environment.
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