C# Software Engineer - API & Systems Integration

Parfois

Porto

On-site

EUR 38,000 - 52,000

Full time

14 days+

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Job summary

Parfois is seeking an IT Developer in Porto to design and implement new features aligned with business needs. You will develop functionalities and maintain systems supporting e-commerce, finance, and HR operations, while collaborating with teams across internal departments.

The role emphasizes API development, system integration, and strong knowledge of C# and relational databases. If you thrive in a proactive, detail-oriented environment, this position offers opportunities to contribute to

Qualifications

Degree in Computer Engineering or a related field.
Minimum of 3-4 years’ experience in software development.
Strong knowledge of C# and Object-Oriented Programming.
Knowledge of architectures and web services (HTTP, SOAP, REST, JSON, etc.).
Experience in API development and integration.
Experience working with relational databases, preferably Oracle.
Strong knowledge of PL/SQL.
Familiarity with version control systems.
Knowledge of Agile development methodologies (nice to have).
Strong organizational skills and attention to detail.
Autonomy and sense of responsibility.
Team player with a proactive and initiative-driven mindset.

Responsibilities

Develop new functionalities and maintain applications to meet business requirements.
Support and maintain applications across business areas.
Work on integration with external partners.
Back-office support for the e-commerce, Finance and HR teams.