Backend Development | Python | API Integrations | ERP & Internal Systems

The Company Where You Will Be Working

Join a growing engineering team responsible for the evolution of a large-scale Digital Experience Platform that integrates multiple internal systems and ERP solutions through modern, stable, and future ‑ proof APIs.You will be part of a cross-functional environment committed to long ‑ term architectural sustainability, knowledge consolidation, and high ‑ quality engineering standards.

Your work will directly support the modernization of internal integrations, ensuring reliability, consistency, and continuous evolution of core business applications.

Your New Mission

You will contribute to the design, development, and evolution of backend API services, help redefine legacy integrations currently based on SQL, support the transition away from middleware solutions, and play an active role in shaping the integration architecture of the entire platform.

Your Responsibilities

Develop and maintain Python-based APIs to integrate ERP and other internal systems.

Analyze, reinterpret, and modernize existing APIs, including those based on direct SQL queries, improving reliability, scalability, and maintainability.

Support the replacement of middleware platforms through new API-driven integrations.

Work collaboratively on integration architecture, best practices, and long-term design patterns.

Contribute to the adoption and evolution of GraphQL and associated frameworks.

Ensure the quality, security, and resilience of all integration layers.

Participate in the technical roadmap of the DXP, supporting numerous internal applications.

Collaborate daily with internal engineering teams and external partners in a co ‑ development model.

What You Need to Succeed

Must Have

3 to 5 years of experience working with Python, with strong focus on API development.

Solid experience with SQL (mandatory).

Experience with REST APIs and ideally GraphQL.

Background in system integration (ERP experience is a plus but not required).

Understanding of integration architecture and API design best practices.

English level B2.

Nice to Have

Experience working in multi-system or ERP-heavy environments.

Familiarity with middleware replacement or consolidation projects.

Interest in large-scale, constantly evolving integration ecosystems.

What the Company Offers You

Competitive Salary

Annual performance bonus

Meal allowance: 10,46€/day

Health insurance

Company mobile phone

Remote model

Integration into a growing, highly collaborative engineering environment.

Opportunity to shape a core platform that will serve dozens of internal systems.

Next Steps

If you’re passionate about building robust API ecosystems, modernizing internal integrations, and working within a highly collaborative engineering culture, we’d love to talk.

Send your CV to rita.matias@hays.pt and let’s start the conversation.