Senior Integration Architect: API & Event Design

NN Group; Madrid; Hybrid; EUR 80,000 - 110,000; Full time

Benefits offered by this job

Hybrid work model

Starting financial aid for home setup

Transport card and flexible telework

Flexible working hours

Life insurance and pension plan

Performance-based bonus

Free parking and charging stations

Wellness program and health insurance

Job summary

NN Digital Hub in Madrid, part of NN Group, seeks an Integration Solution Architect to turn business needs into end-to-end integration designs. You will connect consumers, providers and platform teams, maximise API reuse, and document artefacts for onboarding across countries while ensuring security and observability.

You will work in a multidisciplinary environment, collaborating with business and product owners, delivery teams and governance bodies to deliver practical, reuse-first integration

Qualifications

• Senior solution architect with a strong integration mindset and ability to convert business needs into architecture artefacts.
• Experience designing end-to-end integrations across multiple systems and countries.
• Ability to analyse API and event consumers and providers, including contracts and dependencies.
• Proven track record creating reusable capabilities and APIs with gap analysis.

Responsibilities

• Translate business needs into integration requirements with stakeholders.
• Identify reusable capabilities and APIs across the enterprise.
• Analyse consumers and providers by mapping ownership, contracts and data responsibilities.
• Define end-to-end integration designs covering orchestration, APIs, events, data flows, security and observability.
• Select appropriate integration patterns (REST, asynchronous messaging, event-driven, batch).
• Document architecture patterns and sequence diagrams with version-controlled artefacts.
• Specify API and event contracts including interfaces, schemas, auth, idempotency, retries and timeouts.
• Drive alignment between consumers, providers and platform teams.
• Support country onboarding and onboarding designs; lead refinement and delivery.
• Ensure secure and operable solutions via gateways, OAuth/OpenID Connect, encryption and monitoring.
• Follow solutions through to production with testing, cutover and continuous improvement.

Skills

Integration architecture

API design

Security concepts

Requirements discovery

Stakeholder collaboration

Tools

PlantUML

Mermaid

Visio

Azure DevOps

SwaggerHub

Postman

Service Bus

Event Grid

Job description

NN Digital Hub in Madrid, part of NN Group, seeks an Integration Solution Architect to turn business needs into end-to-end integration designs. You will connect consumers, providers and platform teams, maximise API reuse, and document artefacts for onboarding across countries while ensuring security and observability.

You will work in a multidisciplinary environment, collaborating with business and product owners, delivery teams and governance bodies to deliver practical, reuse-first integration