Senior Software Engineer – POS & Cash Systems Compliance (Portugal)
Location: Remote (Portugal-based)
Contract Type: Full-time
Language Requirements: English (B2 minimum), Portuguese (native)
About the Role
Our client, a European leader in fiscal middleware and POS system compliance, is seeking a Senior Software Engineer to join their growing team in Portugal. This role is ideal for someone with strong technical expertise in C#/.NET, a passion for building scalable solutions, and experience working directly with clients in the retail or hospitality sectors, particularly around cash register systems and POS integration .
You will contribute to the development of software that ensures compliance with the Portuguese fiscal laws, including SAF-T and standards compliant to the Autoridade Tributaria.
Key Responsibilities
* Design, develop, and maintain .NET-based middleware and POS/cash system integration solutions.
* Collaborate with product and compliance teams to implement features aligned with French fiscal regulations.
* Interface with clients to understand technical requirements and provide integration support.
* Participate in certification processes to meet AT standards.
* Write clean, maintainable code and contribute to architectural decisions.