Senior Data Engineer: AI Data Foundation & RAG

flatexDEGIRO AG; Amsterdam; Hybrid; EUR 90,000 - 120,000; Full time

Benefits offered by this job

30 days paid leave

Transport allowance

Pension plan

Company laptop

Gym membership

Office near Amstel Station

Fruit and snacks

Job summary

flatexDEGIRO is seeking a Senior Data Engineer to join a newly forming AI Hub. You will build secure data pipelines, APIs, and reusable data foundations that power enterprise AI, enabling scalable retrieval, vector search, and governance.

You’ll collaborate with AI and MLOps engineers, architects, and security teams, shaping data infrastructure for enterprise-grade AI tools and platforms while balancing speed, quality, and governance.

Qualifications

• 5 to 8 years of experience in software engineering, data engineering, platform engineering, or a similar technical role.
• Strong hands-on experience with Python and SQL.
• Experience building and delivering services in production environments.
• Strong understanding of APIs, integration patterns, and secure enterprise architecture.
• Familiarity with vector databases, search, retrieval patterns, and RAG-related architectures.
• Experience with CI/CD, containers, observability tooling, and modern engineering practices.
• Good understanding of data governance, access control, security, privacy, and compliance requirements.
• Ability to build reusable components, internal libraries, SDK patterns, or scalable technical foundations.
• Experience with RAG-based applications or similar AI architectures would be considered an advantage.
• Familiarity with infrastructure automation and API security would be a plus.
• Background in financial services, fintech, banking, or another regulated environment would be beneficial.

Responsibilities

• Build secure ingestion, transformation, and retrieval pipelines for enterprise data.
• Develop scalable APIs and application components that support AI services and RAG-based solutions.
• Design and maintain data access patterns that are secure, governed, and aligned with compliance requirements.
• Work with structured and unstructured data sources to support retrieval, vector search, and AI application needs.
• Create reusable data components, internal SDK patterns, and technical building blocks for future AI workloads.
• Enable governed access to enterprise data sources in line with security, privacy, and internal control standards.
• Integrate AI services with existing CI/CD, observability, monitoring, and IT control processes.
• Collaborate with AI Engineers, MLOps Engineers, architects, security, IT operations, and business stakeholders.
• Maintain high standards for code quality, automation, performance, and operational resilience.
• Proactively identify ways to improve data availability, retrieval quality, and reusability across AI use cases.
• Actively use AI in your own engineering work to improve productivity, automation, testing, documentation, and delivery speed.

Skills

Python

SQL

APIs

CI/CD

Containers

Observability

Security

Data governance

RAG

Vector databases

Retrieval patterns

SDK patterns

Infrastructure automation

API security

Job description

flatexDEGIRO is seeking a Senior Data Engineer to join a newly forming AI Hub. You will build secure data pipelines, APIs, and reusable data foundations that power enterprise AI, enabling scalable retrieval, vector search, and governance.

You’ll collaborate with AI and MLOps engineers, architects, and security teams, shaping data infrastructure for enterprise-grade AI tools and platforms while balancing speed, quality, and governance.