> Markdown version of [/jobs/ext/1307883-applied-ai-engineer-ai-neobank-app](https://www.wearedevelopers.com/jobs/ext/1307883-applied-ai-engineer-ai-neobank-app). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Applied AI Engineer - AI Neobank App

- **Company:** Bjak
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Business Systems, Python (Programming Language), Software Engineering, Systems Integration, Large Language Models, Backend
- **Published:** July 17, 2026
- **Apply:** https://www.adzuna.es/contact-us.html

## About the Role

+ Strong software engineering foundation, preferably with Python and backend systems.
 + Hands-on experience building with LLM APIs, agents, RAG, workflow automation or AI tools.
 + Able to connect AI systems with real product, data and operational workflows.
 + Good judgement on where AI helps and where rule-based systems or human review are better.
 + Understands evaluation, accuracy, latency, cost, privacy and failure modes.
 + Fast builder who can prototype, test and ship practical systems.
 + Experience in fintech, insurance, support automation, CRM or operations automation is a strong advantage.

The Kind of Builder We Want

 + Practical AI builder, not just a prompt experimenter.
 + Thinks in workflows, systems and measurable quality.
 + Can build quickly but still cares about guardrails and reliability.
 + Comfortable working with messy real-world data and processes.
 + Honest about what AI can and cannot do., English is our main working language across global teams. Strong English communication is required.

## Description

We are looking for applied AI engineers to build AI-native systems for BJAK's AI Neobank app.
This is not a research-only role. We need builders who can use AI to automate real workflows, improve products, reduce manual work and make financial services easier for users and teams.

What You'll Own

 + Build AI-powered workflows, assistants, agents and automation systems.
 + Apply AI across customer support, CRM, onboarding, claims, renewals, payments, operations and internal tools.
 + Work with product and engineering teams to turn manual processes into scalable AI-native systems.
 + Build integrations with LLMs, internal data, APIs, documents, knowledge bases and business systems.
 + Design evaluation, monitoring and fallback flows so AI outputs are useful, safe and reliable.
 + Prototype quickly, test with users or operators, then productionize what works.
 + Improve speed, quality and consistency across workflows using AI where it creates real business value., + People who only want research projects with no production ownership.
 + Candidates who treat AI as demos instead of working systems.
 + Engineers who do not care about evaluation, reliability or user impact.
 + People who overclaim AI impact without evidence.
 + Builders who cannot work with product, ops and business teams.


## Related Videos

- [Physical AI: The Era of Intelligent Machines](https://www.wearedevelopers.com/videos/100141-physical-ai-the-era-of-intelligent-machines)
- [APIs and Architecture for scaling omnichannel payments](https://www.wearedevelopers.com/videos/90-apis-and-architecture-for-scaling-omnichannel-payments)
- [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock)
- [Pioneering AI Assistants in Banking](https://www.wearedevelopers.com/videos/1627-pioneering-ai-assistants-in-banking)
- [Detecting Money Laundering with AI](https://www.wearedevelopers.com/videos/111-detecting-money-laundering-with-ai)
- [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean)

## Related Articles

- [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer)
- [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift)
- [How to start an AI project for a good cause and boost your career](https://www.wearedevelopers.com/magazine/15-how-to-start-an-ai-project-for-a-good-cause-and-boost-your-career)
- [What is Software Engineering in the Age of AI?](https://www.wearedevelopers.com/magazine/640-what-is-software-engineering-in-the-age-of-ai)
- [MLOps And AI Driven Development](https://www.wearedevelopers.com/magazine/82-mlops-and-ai-driven-development)
- [MLOps – What’s the deal behind it?](https://www.wearedevelopers.com/magazine/125-mlops-what-s-the-deal-behind-it)