Senior Enterprise Architect — Cloud, Security & AI Leadership

VASS; Portugal; On-site; EUR 90,000 - 140,000; Full time

Job summary

VASS in Portugal is seeking a Principal Architect to lead the end-to-end architecture of secure, scalable enterprise platforms. You will act as the main technical contact for clients from discovery through architectural presentation and delivery.

You will design Camunda workflows, back-end services, and cloud platforms, define standards and security controls, ensure governance, and mentor multinational teams. Fluent English and senior client-facing experience are essential.

Qualifications

• Proven experience as a Principal Architect or equivalent at enterprise scale.
• Expert-level Java with at least 10 years in the Spring ecosystem, microservices, performance and testing practices.
• Solid full-stack understanding and ability to connect front-end to back-end services.
• Strong track record in back-end services integration across heterogeneous systems.
• Experience on large-scale, mission-critical projects with governance and delivery discipline.
• Fluent English, written and spoken (C2 level).
• Experience with government/public-sector or highly regulated clients and formal governance standards.

Responsibilities

• Lead the end-to-end architecture of secure, scalable enterprise platforms.
• Act as the main technical contact for clients from discovery through architectural delivery.
• Design Camunda workflows, back-end services, system integrations and cloud platforms.
• Define architectural standards, security controls and AI-assisted engineering workflows.
• Ensure compliance with quality, governance and regulatory requirements.
• Mentor engineers and coordinate international, multidisciplinary teams.

Skills

Senior Java

Spring

Microservices

Full-stack

Client-facing

Tools

Camunda

Confluence

Jira

Archimate

UML

BPMN

Job description

VASS in Portugal is seeking a Principal Architect to lead the end-to-end architecture of secure, scalable enterprise platforms. You will act as the main technical contact for clients from discovery through architectural presentation and delivery.

You will design Camunda workflows, back-end services, and cloud platforms, define standards and security controls, ensure governance, and mentor multinational teams. Fluent English and senior client-facing experience are essential.