Senior Full-Stack Software Engineer

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 manage IIS for legacy .NET apps.
• Contribute to CI / CD workflows using Jenkins and GitHub Actions.
• Support production issues related to system performance and integration failures / issues.
• Assist with creating reporting pipelines using tools like Snowflake, Redshift and SQL.
• Work cross-functionally with product, operations, and accounting teams to understand and implement requirements.
• Contribute to technical documentation and maintain system / process clarity.
• Build and document RESTful APIs for internal and external consumption (Swagger / OpenAPI).

Preferred Qualifications

The Interview Process

1 . Recruiter interview with a Talent Acquisition specialist

2.  interview with our Program Leader Full Stack

3 . Final interview with our Head of Software Development

Pay and Benefits (PORTUGAL)

Tillster is proudly an Equal Opportunity Employer

No Visa Sponsorship

Principals only – no Agencies or calls please