API Manager / Senior API Engineer

Inetum2

Lisbon, Lisbon, Portugal Hybrid permanent

Posted: February 27, 2026

Required Skills

Job Description

Inetum is a European leader in digital services. Inetum’s team of 28,000 consultants and specialists strive every day to make a digital impact for businesses, public sector entities and society. Inetum’s solutions aim at contributing to its clients’ performance and innovation as well as the common good.

Present in 19 countries with a dense network of sites, Inetum partners with major software publishers to meet the challenges of digital transformation with proximity and flexibility.

As an API Manager, you will be part of a team responsible for designing and implementing an API framework for multiple business areas across the CA Group.

You will support different teams in developing external‑facing APIs, providing:

• core building blocks
• documentation
• best practices
• training on API adoption

The team operates using Agile methodology (sprints) and collaborates closely with a remote Team Lead.

In the long term, this role will help establish a Design Authority extension in Portugal, supporting guidelines, best practices, and future recruitment.

• Strong understanding of APIs, API Composition, BFF, API Gateway
• Ability to design Java services and components in a microservices ecosystem
• API documentation expertise: Swagger, OpenAPI (JSON/YAML)
• Ability to write and structure technical best practices
• Strong proficiency with Java 8–11
• Excellent knowledge of Spring Boot (v2+), Spring Data, JPA, Hibernate
• Strong expertise with Spring Security
• Understanding of API authentication and authorization
• Ability to build POCs and simple Hello World examples
• Awareness of API monitoring
• Capability to assist in API architecture and reusable API design
• Experience with API performance optimization

Additional Skills (Nice to Have)

• Jenkins (v2+)
• Splunk (v8+)
• Docker
• API catalog tools (SwaggerHub, Backstage, etc.)

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