Quality Assurance Engineer (Microsoft Azure IoT) - (B2B Contract)

Overview About Mesh Systems Mesh Systems are the Connected Product People. As a trusted Microsoft Partner, we help clients build, scale, and unlock value from their digital products. We specialize in creating scalable, cloud-based systems to process massive data volumes for global clients. We are currently on an ambitious path to merge IoT with cutting-edge Artificial Intelligence, opening doors to future-proof projects. We're looking for an experienced Software Engineer to work with our engineering teams and help us shape the future of connected technology.Compensation And Contract Model Model: B2B Contract (100% Remote)Availability: Collaboration within the Central European Timezone (CET).Hourly Rate (USD): $30 - $40 USD / hourSupport: We provide support with formalities for Polish contractors working with a U.S. company.What You Will Do As a Quality Assurance Engineer, you will ensure the reliability and quality of our IoT solutions across the entire technology stack:Design, develop, and execute comprehensive test plans for IoT systems spanning embedded devices and web/mobile applicationsPerform end-to-end testing of IoT solutions, including device provisioning, connectivity, data ingestion, and cloud processing pipelinesTest hardware-software integrations, communication protocols (MQTT, AMQP, HTTP/REST, CoAP), and edge computing solutionsDevelop and maintain automated test frameworks for APIs, web applications, and IoT device simulationsConduct performance, load, and stress testing on cloud-based IoT platforms to ensure scalability and reliabilityValidate data accuracy and integrity across the entire IoT data pipeline from device to cloud to applicationCollaborate with cross-functional teams, including firmware engineers, backend developers, and DevOps, to identify and resolve quality issuesCreate and maintain test documentation, bug reports, and quality metricsParticipate in design reviews and provide quality-focused feedback early in the development cycleTroubleshoot complex issues across multiple layers of the technology stack (device, edge, cloud, application)Collaborate & Influence: Work in a small, autonomous engineering team, directly influencing the technical direction of our solutionsWhat You'll Bring We are seeking a versatile QA engineer with broad technical knowledge and experience testing complex, distributed systems:3+ Years of experience in quality assurance, with preference for IoT, embedded systems, or cloud-based platformsExperience with test automation frameworks and tools like:SeleniumPlaywrightCypressPostmanOr SimilarProficiency in at least one programming language for test automation like:PythonJavaScript/TypeScriptC#Hands-On Experience with API testing and familiarity with RESTful services and message queuing systemsKnowledge of cloud platforms (preferably Azure) and understanding of cloud-based testing strategiesExperience with CI/CD pipelines and integrating automated tests into DevOps workflowsStrong analytical and troubleshooting skills with the ability to diagnose issues across hardware, firmware, and softwareFamiliarity with version control systems (Git) and agile development methodologiesExcellent communication skills and ability to work collaboratively with distributed teams. Strong English proficiency for seamless collaboration with U.S. partners and clientsDetail-oriented mindset with a passion for quality and continuous improvementBonus Points Experience with Azure DevOps and Azure Pipelines for CI/CDExperience with Docker containerizationExperience with k6Background in industrial IoT, asset management, or monitoring systemsBenefits What Makes Working at Mesh Systems Unique?Autonomy & Impact: Work in small, agile teams where your engineering decisions have a real impact. We value pragmatic solutions and customer-focused thinkingCutting-Edge Technology: Get direct access to Microsoft Azure technologies in Private Preview thanks to our close partnershipCulture: Join a team of passionate professionals and share knowledge about the most innovative solutions on the marketFuture Focus (IoT + AI): Be part of our transformation, integrating IoT solutions with AI/Machine Learning at the intersection of the most advanced technologiesProfessional Growth: We offer a dedicated training budget and full support for Microsoft certifications#J-18808-Ljbffr