Senior Integration & API QA Engineer

Swediumglobal; Stockholms kommun; On-site; SEK 55,000 - 75,000; Full time

Job summary

Swediumglobal in Stockholm is seeking an experienced Integration Tester / QA Engineer to ensure quality across backend integrations and systems. You will test APIs, MuleSoft integrations, and file-based data formats while coordinating with developers, analysts, and business stakeholders.

The role focuses on API testing, end-to-end data flow validation, and ensuring robust QA processes in an agile environment with strong communication in English.

Qualifications

• Experience testing integration-heavy solutions and distributed systems.
• Hands-on API testing and backend integration testing.
• Strong analytical and troubleshooting skills.
• Excellent communication in English.

Responsibilities

• Test backend integrations and APIs.
• Perform API, functional, and integration testing.
• Validate JSON, XML, and CSV data formats.
• Verify data flows and end-to-end system integrations.
• Conduct frontend testing for functionality and UX.
• Identify, document, and track defects to resolution.
• Collaborate with developers, analysts, and stakeholders to ensure quality deliveries.

Skills

API testing

Backend integration testing

QA & testing

MuleSoft integrations

Distributed systems testing

Test planning

Defect management

Test reporting tools

English communication

Independent work

Tools

Jira

TestRail

GitHub

Gemini

Job description

Swediumglobal in Stockholm is seeking an experienced Integration Tester / QA Engineer to ensure quality across backend integrations and systems. You will test APIs, MuleSoft integrations, and file-based data formats while coordinating with developers, analysts, and business stakeholders.

The role focuses on API testing, end-to-end data flow validation, and ensuring robust QA processes in an agile environment with strong communication in English.