Senior Digital Platform Architect

HumanInTech; Town of Belgium (WI); Remote; EUR 90,000 - 120,000; Full time

Job summary

HumanInTech is seeking a seasoned Solution Architect to define, evolve and govern the target architecture for a digital platform spanning mobile, web, and BFF layers. You will translate platform vision into actionable architecture and delivery plans in collaboration with product owners, engineering teams and enterprise architecture.

You will lead architectural decisions, ensure security-by-design, API-first patterns, and alignment with enterprise standards, while coaching engineers and

Qualifications

• Proven experience as Solution Architect, Software Architect, or Platform Architect.
• Experience designing digital platforms and integration ecosystems.
• Experience cross-channel architectures (mobile, web, APIs).
• Strong knowledge of modular/component-based architectures and cloud-native designs.
• Understanding of security-by-design principles and API security.

Responsibilities

• Define and govern target architecture across mobile, web, and BFF layers.
• Define architectural principles for scalability, extensibility, maintainability.
• Define integration patterns, platform boundaries, and contribution models.
• Ensure consistency across layers and alignment with enterprise standards.
• Provide technical leadership and facilitate architecture governance.
• Review designs, coach engineers, and support onboarding of contributors.

Skills

Platform architecture

API-first architectures

REST APIs

Cloud-based architectures

Security-by-design

Observability & reliability

Technical leadership

Architectural governance

Education

Bachelor's degree

Tools

OAuth2

OpenID Connect

Job description

What you will do

You will be responsible for defining, evolving, and governing the target architecture of a digital platform spanning mobile, web, and backend-for-frontend (BFF) layers. Working closely with product owners, engineering teams, enterprise architecture, and business stakeholders, you will translate platform vision into actionable architecture and delivery plans.

Your primary responsibilities include:

• Define and maintain the target architecture across mobile, web, and BFF layers
• Define architectural principles supporting platform scalability, extensibility, and maintainability
• Define integration patterns, platform boundaries, and contribution models
• Ensure consistency across mobile, web, and integration layers
• Align platform architecture with enterprise architecture standards and security requirements
• Provide technical leadership to engineering teams
• Facilitate technical decision-making and architecture governance
• Define API and integration principles
• Evaluate technologies, frameworks, and architectural approaches
• Identify technical risks and define mitigation strategies

You will also support architecture spikes, proof-of-concepts, and MVP initiatives, review and challenge technical designs, coach engineers, and support onboarding of platform contributors and partners.

What we are looking for

Technical profile:

• Proven experience as Solution Architect, Software Architect, or Platform Architect
• Experience designing digital platforms and integration ecosystems
• Experience defining architectures across multiple channels (mobile, web, APIs)
• Strong understanding of modern software architecture principles
• Strong knowledge of API-first architectures and integration patterns
• Strong experience with REST APIs, lifecycle management, and versioning
• Understanding of BFF (Backend-for-Frontend) architectures
• Knowledge of modular and component-based architectures
• Understanding of cloud-based and distributed architectures
• Knowledge of security-by-design principles (OAuth2, OpenID Connect, API security)
• Understanding of observability, monitoring, and reliability practices

Non-technical profile:

• Strategic thinking and strong analytical skills
• Strong communication and stakeholder management capabilities
• Ability to simplify complex technical concepts
• Ability to influence without direct authority
• Ability to work in ambiguous and evolving environments
• Pragmatic and hands-on mindset
• Ability to balance technical excellence with business needs

Methodology:

• Experience working in Agile environments

Languages:

• Dutch is mandatory, or French with a strong knowledge of Dutch
• English is mandatory

The setting

This is an assignment with a Belgian public-sector organisation. Further details regarding duration and on-site requirements will be discussed during the selection process.

You can join us for this assignment as a freelancer or as an employee of HumanInTech. Same role, same team. If you join as an employee, your employment continues beyond this assignment. When it ends, we’ll work together to find your next assignment.

Location: Belgium

Employer / contracting party: HumanInTech

Engagement: Freelance or employed by HumanInTech

Working hours: Full-time

Experience: 6–10 years or more

Education: Bachelor's or more

Published: September 2026