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About the job
🚀 We’re Hiring: Senior Quality/Test Engineer – POS & Retail Systems Company: Hykmann Global Business Solutions AB Role: Senior Quality/Test Engineer Specialization: POS Systems | Retail Technology | Payment Integration | Test Automation | Quality Engineering Experience: 7+ years of relevant experience Location: Stockholm, Sweden Start Date: 1 December 2026 End Date: 31 December 2028 About the Role Hykmann Global Business Solutions AB is looking for an experienced Senior Quality/Test Engineer to drive software quality and verification across Point of Sale (POS) systems and modern retail technology platforms. In this role, you will take ownership of end-to-end quality assurance, ensuring the reliability, performance and stability of complex retail checkout solutions involving payment systems, hardware, software integrations and backend services. You will work across the complete testing lifecycle, from test strategy and planning to automation, hands-on verification, troubleshooting and release readiness. The position requires strong technical expertise, practical testing experience and the ability to independently drive quality initiatives across multiple engineering teams and external vendors. Key Responsibilities 1. Test Strategy & Quality Engineering Define and implement comprehensive test strategies for POS and retail technology systems. Plan, design and execute end-to-end, integration and system-level testing. Establish effective testing methodologies and quality assurance processes. Ensure functional reliability and stability across interconnected software and hardware components. Take ownership of quality activities throughout the software development lifecycle. Continuously identify opportunities to improve test coverage and testing efficiency.
2. Test Automation & Verification Design, develop and maintain automated test cases and testing frameworks. Automate end-to-end testing across POS applications, payment systems, integrations and backend services. Perform API testing and integration verification. Integrate testing activities into CI/CD pipelines. Maintain automated test suites and ensure their effectiveness across software releases. Analyse test execution results and identify potential quality risks.
3. POS & Retail Systems Testing Perform hands-on testing within physical POS and retail test environments. Verify interactions between checkout applications, payment terminals, connected hardware and backend services. Validate system integrations and end-to-end transaction workflows. Test hardware and software interoperability. Investigate and troubleshoot issues across different components of retail technology platforms. Ensure the reliability and consistency of POS operations under different scenarios.
4. Troubleshooting & Defect Management Investigate complex technical issues involving software, hardware, APIs and distributed systems. Analyse application logs, system behaviour and integration failures. Identify root causes and coordinate corrective actions with development teams. Document, prioritise and track defects through to resolution. Collaborate with engineering teams and external vendors to resolve critical quality issues.