Freelance AI Platform Engineer (Go, LLM, Security)

Mediahuis NL B.V.; Antwerpen; Hybrid; EUR 70,000 - 110,000; Full time

Job summary

Mediahuis is seeking a medior to senior Freelance AI Native Engineer to design, build and operate the internal AI platform. You will develop secure, scalable services that connect AI models, tools and workflows across the organization, with emphasis on identity, governance and automation.

You will work in a hybrid setup with two days per week at our Antwerp office, collaborating with cross-functional teams to enable secure, reliable AI usage and scalable model infrastructure.

Qualifications

• Medior or senior backend engineer with strong Go experience.
• Experience with distributed systems and event-driven architectures.
• Familiar with authentication and security technologies (OAuth2, OIDC, token management, encryption).
• Proficient in Linux environments, containers and modern deployment practices.
• Experience with LLM APIs, tool calling, streaming or MCP integrations.

Responsibilities

• Develop and operate the internal AI platform, focusing on Go-based distributed services.
• Integrate language models and external tools through APIs and MCP.
• Implement identity, governance, secrets management, audit logging and access controls.
• Enable self-service capabilities for internal teams to connect tools and workflows.
• Manage deployments, platform operations including containers and release processes.
• Contribute to architecture decisions and document ADRs.
• Collaborate with stakeholders to integrate the platform with business applications.

Skills

Go backend

Distributed systems

OAuth2/OIDC

Linux

Containers

LLM APIs

MCP

Security

Event-driven

APIs

Job description

Mediahuis is seeking a medior to senior Freelance AI Native Engineer to design, build and operate the internal AI platform. You will develop secure, scalable services that connect AI models, tools and workflows across the organization, with emphasis on identity, governance and automation.

You will work in a hybrid setup with two days per week at our Antwerp office, collaborating with cross-functional teams to enable secure, reliable AI usage and scalable model infrastructure.