Arbetsbeskrivning

Role Description

We are looking for a highly skilled and motivated Senior SDET (Software Development Engineer in Test), C9 Portal to take a lead role in ensuring the quality and reliability of our backend components supporting both mobile and desktop clients. In this role, you will design, develop, and maintain scalable test automation frameworks, collaborate closely with developers, and drive a shift-left testing mindset within the engineering teams.

As a technical quality leader, you will bring strong expertise in backend and frontend testing, white box testing, and development practices. You will play a key role in supporting the execution of the C9 Portal Test Strategy, coordinating across teams and products, and ensuring the delivery of robust, secure, and performant backend solutions.

If you are passionate about quality, automation, and engineering excellence, we would love to hear from you!

Key Responsibilities

• Take ownership of quality initiatives for C9 Portal admin UI supporting mobile and desktop clients.
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• Design, implement, and maintain test automation frameworks for C9 Portal.
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• Work closely with developers to enable shift-left testing practices and embed quality earlier in the development lifecycle.
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• Apply strong skills in frontend, backend and white box testing to validate APIs, services, and integrations.
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• Ensure reliable test execution across Cloud (GCP/AWS), Kubernetes, and Windows 10/11 environments.
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• Collaborate across teams and product lines to drive quality alignment and consistency.
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• Troubleshoot, debug, and resolve issues in complex backend systems.
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• Mentor other SDETs and contribute to continuous improvement of test strategies, processes, and tools.
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• Support the execution and evolution of the C9 Portal Test Strategy.

Required Qualifications

Technical Skills

• Strong programming skills in TypeScript and Python.
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• Proven experience with frontend, backend testing and automation frameworks.
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• Hands-on experience in white box testing of APIs, services, WebSocket connections, and backend systems.
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• Strong understanding of WebSocket protocols, WebRTC, and practical experience testing WebSocket-based services.
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• Knowledge of cloud environments (GCP/AWS) and containerized deployments using Kubernetes.
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• Familiarity with Windows 10/11 environments.
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• Experience with CI/CD pipelines, Git, and backend testing tools.
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• Strong understanding of backend development practices and modern testing methodologies.

Soft Skills

• Proven leadership in driving backend quality initiatives.
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• Excellent communication, collaboration, and coordination skills.
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• Strong analytical and problem-solving skills with attention to detail.
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• Ability to thrive in a fast-paced, cross-functional environment.
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• Proactive, self-motivated, and passionate about backend quality and automation.

Education & Experience

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field (or equivalent practical experience).
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• 5+ years of experience in software testing or SDET roles, with a strong focus on backend systems.
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• At least 2+ years in a senior or lead capacity, driving quality initiatives at scale.