Senior AI Platform Architect - Scalable Agentic Systems

Source Group International; Lisboa; On-site; EUR 120,000 - 180,000; Full time

Job summary

Source Group International seeks a Principal Engineer – AI Platform Architecture to define and evolve the architecture of a next-generation, AI-native platform. This hands-on technical leadership role focuses on establishing foundations for intelligent applications, autonomous agents, workflows, and reusable platform services across multiple products.

You will direct agent runtimes, orchestration, APIs, and distributed services, plus observability, tooling, security, and standards while

Qualifications

• Experience designing large-scale software platforms and distributed systems.
• Deep understanding of cloud-native architecture and modern software practices.
• Proven ability to define technical standards across multiple teams.
• Hands-on with microservices, REST/API, asynchronous and event-driven systems.

Responsibilities

• Define and evolve the architecture of a scalable AI-native software platform.
• Establish reusable architectural patterns for AI runtimes, workflows, tool integration, memory/context management, and shared services.
• Set engineering standards for APIs, distributed systems, observability, testing, deployment, and documentation.
• Guide major architectural decisions across Product, Platform, Data, Security, and Engineering teams.
• Lead ASDLC evolution, promoting AI, automation, and autonomous agents in engineering processes.
• Identify reusable platform capabilities to accelerate product development.
• Review designs and provide architectural guidance for strategic initiatives.
• Balance long-term platform architecture with pragmatic delivery.
• Evaluate emerging AI technologies and introduce value-driven approaches.
• Mentor senior engineers through technical coaching and design reviews.
• Champion practices for developer experience, scalability, reliability, and operational efficiency.

Skills

Large-scale platforms

Distributed systems

Cloud-native

APIs/REST

Asynchronous

Event-driven

Microservices

AI platforms

Agentic architectures

Mentoring seniors

Technical leadership

Communication

Job description

Source Group International seeks a Principal Engineer – AI Platform Architecture to define and evolve the architecture of a next-generation, AI-native platform. This hands-on technical leadership role focuses on establishing foundations for intelligent applications, autonomous agents, workflows, and reusable platform services across multiple products.

You will direct agent runtimes, orchestration, APIs, and distributed services, plus observability, tooling, security, and standards while