Senior Full-Stack Software Engineer

Tillster, Inc. • Lisbon, Lisbon, Portugal • Posted June 03, 2026

Location Lisbon, Lisbon

Job Type Full-time

Category Computer Occupations

Posted June 03, 2026

Job Title: Senior Full-Stack Software Engineer Location: REMOTE BUT YOU MUST LIVE IN PORTUGAL Job Summary: Contribute to the design, development, and support of scalable, integrated business systems across web, cloud, and enterprise platforms.

You’ll work alongside the Principal Architect to build high-performance applications, and integrations using .NET (Framework/Core), SQL (MySql/MSSQL/PgSql) databases, AWS, and third-party systems.

Key Responsibilities Develop and maintain full-stack features using .NET (Framework/Core) and relational database with HTML/JavaScript Integrate third-party systems (Internal, Stripe, NetSuite, Simphony, QuickBooks) with internal platforms.

Write and optimize SQL queries (MySQL, PostgreSQL, MSSQL); familiarity with NoSQL (DynamoDB/Mongo) a plus.

Participate in code reviews, pull requests, and collaborative design discussions.

Deploy services using AWS infrastructure (EC2, RDS, Lambda, S3) and ma...

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