AI Product Builder
Orain
Software Engineering, Product, Data Science
Spain · Barcelona, Spain
Posted on Feb 26, 2026
Location: Barcelona | Type: Full-time
We're hiring — and we're doing it the Frekuent way. In a world where technology moves fast, we move with purpose. If you're ready to make your next big move and create something meaningful, you're in the right place.
Being part of our dream team isn't just about a job, it's about enjoying the frekuency. If you're ready to be part of this journey and grow together, join us and make a real impact.
About Us
Frekuent is a fast-growing startup redefining the world of payments, helping businesses turn one-time buyers into lifetime clients through unique and rewarding experiences. Operating in both B2B and B2B2C models, we create painless, cashless, and contactless payment solutions that transform the way businesses operate — keeping customers coming back time and again.
We are a global company, headquartered in Barcelona and expanding across Europe and Asia, backed by top VCs in Spain and recognized by Deloitte Technology Fast 50 Spain. Learn more at www.frekuent.com
What You’ll Do
As an AI Product Builder, you’ll play a key role in transforming how we work and how our products evolve. You’ll create AI automations and agent-based workflows, set foundations so other teams can safely build their own agents, and work cross-functionally to turn real business needs into working solutions.
This is a hands-on role for someone who likes to build, ship, and improve quickly. You will make a meaningful impact from day one.
🌍 A hybrid model that works – Enjoy the energy of our office 3 days a week and the flexibility of working remotely the other 2.
⏰ Flexible schedule – because we trust you to own your time and your outcomes.
🍽️ Meal vouchers – Enjoy a monthly support of meal vouchers to make your workdays tastier.
🩺 Health & wellness – private health insurance and discounted gym memberships to keep both body and mind in top shape.
📚 Learning & development – English classes and role-specific training, because your growth is part of our journey.
🌴 23 days of paid time off – plus local holidays, because great ideas need space to rest.
🚀 A dynamic, fast-growing environment – where each day is unique and every idea counts.
🤝 A collaborative mindset – surrounded by people who genuinely enjoy building together.
🎉 Regular afterwork & teambuilding events – activities to relax, connect, and strengthen team bonds.
Why you'll love it here
At Frekuent, we believe our success is built on our people. We’re a team of non-conformists, committed and solution-driven individuals, who know that infinity is the limit when it comes to innovation. With plenty of room for personal and professional development, we value creativity, ownership, and collaboration — all driven by a strong culture that fuels our growth.
Be authentic isn’t just a value, it’s our belief that embracing who we are and appreciating diverse backgrounds, experiences and opinions is what truly enriches us.
If you're ready to jump into an exciting environment and make a real difference, this is the place for you.
By applying for this job, the candidate acknowledges and agrees that any personal data contained in their application or supporting materials will be processed in accordance with Frekuent's Privacy Policy.
We're hiring — and we're doing it the Frekuent way. In a world where technology moves fast, we move with purpose. If you're ready to make your next big move and create something meaningful, you're in the right place.
Being part of our dream team isn't just about a job, it's about enjoying the frekuency. If you're ready to be part of this journey and grow together, join us and make a real impact.
About Us
Frekuent is a fast-growing startup redefining the world of payments, helping businesses turn one-time buyers into lifetime clients through unique and rewarding experiences. Operating in both B2B and B2B2C models, we create painless, cashless, and contactless payment solutions that transform the way businesses operate — keeping customers coming back time and again.
We are a global company, headquartered in Barcelona and expanding across Europe and Asia, backed by top VCs in Spain and recognized by Deloitte Technology Fast 50 Spain. Learn more at www.frekuent.com
What You’ll Do
As an AI Product Builder, you’ll play a key role in transforming how we work and how our products evolve. You’ll create AI automations and agent-based workflows, set foundations so other teams can safely build their own agents, and work cross-functionally to turn real business needs into working solutions.
This is a hands-on role for someone who likes to build, ship, and improve quickly. You will make a meaningful impact from day one.
- Build AI automations that deliver measurable impact: reduce manual work, speed up operations, improve quality and consistency.
- Analyze operational workflows to identify inefficiencies, manual effort, and automation opportunities.
- Design and develop AI agents for internal use and/or customer-facing product capabilities (e.g., triage, support, analysis, decision support, workflow orchestration).
- Create the “agent builder” foundations so other teams can build safely: reusable templates, tools/functions, prompt patterns, evaluation checks, logging/monitoring, and deployment practices.
- Integrate AI into existing systems (APIs, databases, CRMs, ticketing tools, internal dashboards) with secure and reliable execution.
- Develop process documentation (flow diagrams, automation specs, runbooks) to ensure solutions can scale and be maintained.
- Partner with Product, Ops, Support, Sales, Tech, and Data to translate messy needs into clear specs and shipped solutions.
- 5+ years of experience in a technical field (data, engineering, analytics, or similar).
- 1+ year of hands-on experience delivering AI-driven and automation projects in production environments.
- Hands-on experience delivering LLM-powered tools (agents, RAG, workflow automation, function calling/tool use)
- Strong builder mindset: you ship, iterate, and measure impact.
- Proficiency in Python and SQL.
- Strong strategic thinking and excellent communication skills
- Comfort working cross-functionally: translating messy needs into clear specs and solutions.
- English and Spanish
- Software engineering fundamentals (APIs, data models, testing, versioning, CI/CD) are a Plus
- You have a builder mindset: curious, resourceful, and focused on solving problems with practical solutions.
- You enjoy connecting technology, business needs, and people.
- You want to make an impact and grow with a company that is scaling fast.
- You are passionate about building from scratch and shaping new systems and processes.
- You are comfortable balancing speed and quality in a fast-moving environment.
- You are creative, proactive, and looking for professional growth.
- You can manage priorities independently and work autonomously.
🌍 A hybrid model that works – Enjoy the energy of our office 3 days a week and the flexibility of working remotely the other 2.
⏰ Flexible schedule – because we trust you to own your time and your outcomes.
🍽️ Meal vouchers – Enjoy a monthly support of meal vouchers to make your workdays tastier.
🩺 Health & wellness – private health insurance and discounted gym memberships to keep both body and mind in top shape.
📚 Learning & development – English classes and role-specific training, because your growth is part of our journey.
🌴 23 days of paid time off – plus local holidays, because great ideas need space to rest.
🚀 A dynamic, fast-growing environment – where each day is unique and every idea counts.
🤝 A collaborative mindset – surrounded by people who genuinely enjoy building together.
🎉 Regular afterwork & teambuilding events – activities to relax, connect, and strengthen team bonds.
Why you'll love it here
At Frekuent, we believe our success is built on our people. We’re a team of non-conformists, committed and solution-driven individuals, who know that infinity is the limit when it comes to innovation. With plenty of room for personal and professional development, we value creativity, ownership, and collaboration — all driven by a strong culture that fuels our growth.
Be authentic isn’t just a value, it’s our belief that embracing who we are and appreciating diverse backgrounds, experiences and opinions is what truly enriches us.
If you're ready to jump into an exciting environment and make a real difference, this is the place for you.
By applying for this job, the candidate acknowledges and agrees that any personal data contained in their application or supporting materials will be processed in accordance with Frekuent's Privacy Policy.