Domain Architect - Operational Procurement (gn)

Want to shape the future of procurement?

At Unite, we’ve been working for over 25 years to make purchasing in the private and public sectors efficient, sustainable and compliant.

We offer organisations a trusted alternative to non-European procurement platforms – strengthening local value creation and keeping data where it belongs.

More than 700 employees around the world contribute to Unite’s development, bringing diverse perspectives and a strong sense of responsibility.

Does this sound like you?

Join us as we take procurement to the next level.

• We’re on the lookout for a talented
• Domain Architect

(gn) to help us transform our Operational Procurement architecture into a modern, scalable, and streamlined system.

In this role, you’ll guide multiple teams, making sure we’re all on the same page and working together to evolve legacy systems into clean, decoupled components using best practices.

You’ll serve as an important link between Platform Managers, Director of Engineering, Delivery Lead, development teams, and the Chief Software Architect, mentoring engineers and fostering cross-team collaboration.

The Challenge

As our Operational Procurement Domain has grown, so have its complexities - like defining clear boundaries for teams and domains, managing separation of concerns, building new components, and untangling legacy systems.

Your mission?

Help our organisation bring structure and clarity to these areas so we can build a future-ready architecture that sparks innovation and supports business growth.

This is a great opportunity to shape a smarter, cleaner Operational Procurement domain - where creativity thrives, and business success follows.

Your role

• Architectural ownership within the business domain: You'll guide the sustainable evolution of software architecture within a designated business domain.
• Cross-team alignment and architectural guidance: You'll provide technical leadership across multiple teams, ensuring architectural decisions align with business strategy and are compatible with adjacent domains.
• Driving modernization in practice: You’ll work hands‑on within our teams to modernise legacy systems, mentor engineers, and facilitate collaboration across teams.
• Enabling AI‑assisted engineering: You shape the domain architecture to best support AI‑powered development.
• Supporting delivery with technical direction: You'll support Delivery Leads with roadmaps, contribute to key projects, and participate in design, refinements, and code reviews.
• Contributing to long‑term architectural vision: You’ll work in a group of Domain Architects and the Chief Software Architect to drive architectural vision and overseeing long‑term objectives like system modernisation.
• Leading domain‑wide technical initiatives: You’ll drive technical projects around the Business Domain, supporting the Chief Software Architect.
• Advising on architectural matters: You’ll be the contact person for Platform Management for architectural and technical questions concerning your domain.
• Your qualifications
• Background in complex software environments: You bring solid experience in developing large‑scale software systems using relevant technologies.
• Strong architectural foundation: You have a deep understanding of design and architectural patterns (e. g., domain‑driven design).
• Confidence in cloud ecosystems: You have strong experience with AWS and cloud‑native architectures.
• Production‑oriented engineering mindset: You are proficient in Dev Ops principles for deploying and monitoring production applications.
• Structured approach to technical challenges: You have excellent problem‑solving skills, with the ability to debug complex issues and conduct root cause analysis.
• Ability to navigate trade‑offs: You are comfortable making collaborative decisions and clearly communicating architectural trade‑offs to stakeholders.
• Commitment to team growth: You have experience mentoring engineers and guiding cross‑functional teams.
• Relevant certifications as an advantage: Certifications such as i SAQB CPSA or AWS Solutions Architect are a plus.
• What you can expect from us
• An office you'll enjoy coming to: Our office facilities are modern and ergonomic, public transport connections are excellent, and the on‑site cafeteria serves freshly prepared meals every day – with a subsidy from us included.

Hybrid working is also possible.

• We think long‑term: That’s why we are great believers in offering creative freedom – you’ll also get access to our Academy training to grow your career
• We offer workations for new possibilities: You can work abroad for up to 2 months, which is a great way to extend your time away or visit your family and friends in other countries
• We think sustainably: We support your health and pension and offer comprehensive benefits – that includes a bike or public transport ticket to make your commute much easier
• We operate at eye level: Join our fair corporate culture and work with helpful colleagues and experienced management
• We care about work‑life balance: We offer flexible working hours and 30+ holidays so you can strike a good balance between your work and personal life
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