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System Integration And Test Engineer

System Integration And Test Engineer

principal33 Españavalència, España
Hace 7 días
Descripción del trabajo

About us

At Principal33 we strive to make happiness at work a reality. Because it's not just about the money, it's also about the work environment and appreciation. It's about creating the best team setup you can imagine and getting involved in the things you're passionate about. And you can be a part of it, because it's fun to get things done!

We want our employees to innovate and we allow them to do what they are truly passionate about. Based on this conviction, Principal33 aligns its strategy around its vision : to become a leading IT service company and a better working-life balance. With currently over 200 employees from different countries, we are actively shaping the future of work.

About the Job

We are seeking a skilled System Integration Tester to join our project team, focusing on validating REST API integrations between an ERP system and external courier services , as well as a Tablet app integrating to ERP system via Sharepoint .

The ideal candidate will ensure seamless data exchange, system interoperability, and reliability by designing, executing, and automating integration tests.

The Role will consist of 2 distinct Phases – and both will come within the remit of the successful candidate :

1. Automation System Integration Test Phase.

2. UAT Test Co-ordination Phase.

Key Responsibilities

  • Develop and maintain integration test plans covering API interactions between ERP and courier systems.
  • Collaborate with developers, business analysts, and third-party vendors to understand integration requirements.

2. API Testing & Validation

  • Perform REST API testing
  • Validate request / response payloads , headers, status codes, and error handling.
  • Verify authentication mechanisms (OAuth, API keys, JWT).
  • 3. Data Integrity & System Interoperability

  • Test data synchronization between ERP and courier systems (e.g., order creation, shipment tracking).
  • Identify and troubleshoot data mapping issues
  • 4. Automation & CI / CD Integration

  • Integrate tests into Azure DevOps .
  • Automation scripting (ie. C++)
  • Log, track, and retest defects using

    To fit this post, we look after :

    Required Skills & Experience :

  • 3+ years of experience in API or System Integration Testing
  • Solid understanding of REST APIs , HTTP, JSON, and integration patterns
  • Experience with manual testing tools (e.g. Postman, Swagger)
  • Familiarity with Azure DevOps , including pipelines and boards
  • Strong knowledge of ERP systems (any) and data flows
  • Good understanding of data mapping , ETL , or middleware logic
  • Familiarity with CI / CD environments
  • Excellent problem-solving and communication skills
  • Nice to Have :

  • Experience with SharePoint integration
  • Knowledge of logistics, courier, or supply chain systems
  • Familiarity with SQL for data validation
  • Background in UAT coordination or user testing environments
  • What we offer :

    Way of working : remote

    Remote position within the EU. Please only apply if you hold a valid EU-Workpermit.

    Ocasional travelling to our client's facilities in might be required.

  • Salary transparency, we tell you about our ranges in our first contact, to ensure that we are aligned with your level of experience and expectations.
  • Annual salary review
  • Possibility to work as contractor if you wish (B2B)
  • Flexible retribution (only for Spanish or Romanian labour contracts)
  • Private medical insurance (only for Spanish or Romanian labour contracts)
  • Day off on your birthday
  • Gifts for special occasions
  • International and multicultural environment
  • Events

    Summer party!

    Self)-Development

    Continuous training, we will help you improve your technical skills, evolve in the tech community and develop as a professional.

    We are an active part of the tech-community. You may have the opportunity to attend and participate in local and international tech-events.

    Seniority level

  • Seniority level Mid-Senior level
  • Employment type

  • Employment type Full-time
  • Job function

  • Job function Information Technology
  • Industries Software Development
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