Senior Automation Engineer (Firmware/Embedded) — Freelance | Florence For a tech company in the payment systems sector, we're looking for a freelance Senior Automation Engineer specialized in firmware and embedded testing, to ensure the quality of products such as Outdoor Payment Terminals (OPT) and forecourt controllers.
What you'll do:
Define test strategy and test plans from business requirements
Design and execute automated tests on firmware, hardware-software integration and low-level embedded software
Develop test software to automate regression testing and performance benchmarks
Integrate tests into CI/CD pipelines for faster releases
Document test plans, results and releases, managing issue tracking and versioning
Requirements (essential):




5+ years of experience in hardware-software testing/development with structured methodologies
3+ years with Java or C++
Degree in engineering/electronics
Experience in firmware testing, hardware-software integration and validation of low-level embedded software
Test automation frameworks (e.g. TestNG)
Hands-on CI/CD (Jenkins, GitLab CI)
Proficiency in Linux (commands and scripting)
Agile methodology
Nice to have: retail petroleum/payments sector, EMV/PCI DSS and cryptography, API testing (Postman, REST Assured) on middleware.
Logistics: freelance collaboration via Shakers. Florence (Osmannoro), on-site. Occasional travel may be required.

📌 Senior Automation Engineer - Florence (Firenze)
🏢 Shakers
📍 Firenze