AI Platform Engineer (Mosaic)

Posted 12 Days Ago
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Madrid, Comunidad de Madrid
In-Office
Senior level
Fintech • Payments • Financial Services
The Role
The AI Platform Engineer will build and productize AI capabilities, design multi-tenant platforms, enable governance, and integrate protocols for scalable services.
Summary Generated by Built In

 

NN Digital Hub is a subsidiary company of Nationale Nederlanden Group located in Madrid, Spain. We deliver IT services and solutions for the different international Business Units from Nationale Nederlanden Group.

Our objective is to create, deliver and maintain insurance product management solutions, as service propositions to enable any agent (linked or direct), machine or company to create and sell insurance products in Europe in an automated way and real time.

We are looking for an experienced AI Platform Engineer to join our team.

Your role is to build and productize AI capabilities — from RAG pipelines to model serving — and deliver them as scalable, governed, and developer-friendly services. 

Your impact at NN: What you´ll do:

- You will turn Mosaic into a consumable platform product: a governed, observable, and reliable experience for building and running multiple AI workload styles (agentic, batch scoring, streaming/micro-batch, real-time APIs, scheduled/directed workflows) through a single, consistent developer experience.

- You will encode governance boundaries (Unity Catalog + Collibra) into developer workflows, provide RAG-ready components (Vector Search + MLflow evaluation), and standardize connectivity via protocols (MCP, A2A) and mediation layers, so teams can deliver fast without compromising security or cost. 

What are the tasks that you’ll perform?
  • Design and operate multi-tenant Mosaic platform baselines (workspaces, policies, secrets, networking) with Azure/AWS parity and serverless vs K8s topologies. 

  • Golden paths & self-service: Ship repo/pipeline/environment automation, SDK/CLI/templates covering agentic apps, classical ML services, and directed workflows; enable citizen-builder flows with quotas, scoped access, and pre-approved components. 

  • Provide RAG & evaluation reference implementations: Vector Search indexing/retrieval, MLflow offline/online evaluation suites, dashboards for quality/latency/drift/cost. 

  • Embed governance-by-design: Unity Catalog policies/lineage, integration with Collibra workflows and marketplace metadata; ensure approval trails are automatic. 

  • Enable protocol & integration patterns: implement MCP/A2A connectors, NN Mediation Layer interfaces, and downstream integration runbooks with SLOs and incident playbooks. 

What do we offer?

As part of our Employee Experience, we offer you a range of competitive benefits that are available to you in order to improve the physical, mental, and professional wellbeing of our workers. Among the benefits are:

  • We work with a hybrid model

  • Starting financial aid so you can equip your work space at home

  • Allowance and telework subventions

  • Flexible working hours and 2 months of intensive working hours in summer so you can fully take advantage of your time

  • We hire a life insurance and a pension plan for all our employees

  • We establish objectives bonus as a performance reward

  • You can get to the office as you please. We have a free parking lot for cars, motorbikes, electric cars with chargers, and bikes.

  • Get to know our flexible retribution facilities such as transport card, nursery checks, health insurance with Sanitas, trainings…

  • We care about people. That is why we are involved in society by facilitating volunteer actions and time to all our employees.

  • We care about your wellbeing. We have a Wellness Program available.

  • We are digital and we love technology. Also, every team works under agile methodology.

Who you are?
  • 6-8+ years software/platform engineering (Python) with production ML/AI platforms; hands-on Databricks is preferred (MLflow, Unity Catalog) and familiarity with agentic and classical ML delivery patterns 

  • Designed and operated multi-tenant platforms; IaC; CI/CD; identity, secrets, network isolation, and policy-as-code. 

  • Experience across multiple workload types: real-time APIs, batch/directed workflows, and streaming/micro-batch. 

  • Hands-on with RAG systems (chunking/indexing/retrieval). 

  • Built evaluation/monitoring capabilities (hooks, metrics, alerting) and enforced gates in pipelines; comfortable with canary, rollback, shadow testing. 

  • Governance literacy: implement Unity Catalog policies/lineage and integrate with Collibra workflows and marketplaces. 

  • Nice to have: Kubernetes/Seldon migrations to Mosaic serving; protocol integration (MCP/A2A); cost/performance tuning at scale. 

If you think that your profile can fit with us and you like who we are, do not hesitate to sign in to our offers. We are waiting for you!

Please send your CVs in English language.

At NN, we believe our strength lies in embracing the full spectrum of humanity. We recognise each person’s uniqueness and contributions which empowers us to succeed as individuals, as teams, and as a company. Diversity, Equity, and Inclusion is embedded in our culture which is guided by our values — care, clear, commit — and supports us in fostering a workplace where everyone feels welcome, respected, and proud to work. 

Be you. You have our support. 

Top Skills

A2A
AWS
Azure
Ci/Cd
Databricks
Iac
Kubernetes
Mcp
Mlflow
Python
Rag Systems
Unity Catalog
Am I A Good Fit?
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The Company
Zuid-Holland
21,409 Employees

What We Do

NN Group is an international financial services company, active in 11 countries, with a strong presence in a number of European countries and Japan. Our roots lie in the Netherlands, with a rich history of more than 175 years.

With our 16,000 employees, NN Group provides retirement services, pensions, insurance, banking and investments to approximately 19 million customers. NN Group includes Nationale-Nederlanden, NN, ABN AMRO Insurance, Movir, AZL, BeFrank, OHRA and Woonnu.

NN Group opened for trading on 2 July 2014 on Euronext Amsterdam under the symbol ‘NN’ after its initial public offering (IPO).

For more than 175 years, our company has merged, grown and changed, but the core of who we are has remained the same. At NN Group, we put our resources, expertise, and networks to use for the well-being of our customers, the advancement of our communities, the preservation of our planet, and for the promotion of a stable, inclusive, and sustainable economy.

Our purpose is to help people care for what matters most to them. Because what matters to them matters to us.

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