Full Description

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 / hour

Support: 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 applications.
• Perform end-to-end testing of IoT solutions, including device provisioning, connectivity, data ingestion, and cloud processing pipelines.
• Test hardware-software integrations, communication protocols (MQTT, AMQP, HTTP/REST, CoAP), and edge computing solutions.
• Develop and maintain automated test frameworks for APIs, web applications, and IoT device simulations.
• Conduct performance, load, and stress testing on cloud-based IoT platforms to ensure scalability and reliability.
• Validate data accuracy and integrity across the entire IoT data pipeline from device to cloud to application.
• Collaborate with cross-functional teams, including firmware engineers, backend developers, and DevOps, to identify and resolve quality issues.
• Create and maintain test documentation, bug reports, and quality metrics.
• Participate in design reviews and provide quality-focused feedback early in the development cycle.
• Troubleshoot 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 solutions. What 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 platforms.