Backend Developer

Are you passionate about keeping systems running smoothly while modernizing for the future?

Join our team in Porto and help us evolve a suite of key applications — from legacy maintenance to next‑gen modernization! ?

What You’ll Do

You’ll be part of a dynamic team responsible for maintaining and upgrading several core business applications. Your mission: keep the engine running today, while building the architecture for tomorrow.

• Maintain and enhance existing applications built on. NET Framework 4. 0 / 4. 8
• Collaborate on a major tech refresh to. NET 8 using clean architecture principles
• Manage and optimize Oracle databases (migration from 12c → 19c already in motion)
• Design, model, and normalize complex data structures and tables
• Write efficient queries and stored procedures in SQL Server 16
• Interact directly with business stakeholders, translating functional needs into smart technical solutions
• Troubleshoot, debug, and continuously improve performance and reliability

What You Bring

• Strong background in. NET (C#) development
• Expertise in Oracle (PL/SQL, data modeling, migrations, optimization)
• Experience with SQL Server (v16 preferred)
• Proven knowledge of data modeling, normalization, and database design
• Great communication skills — comfortable engaging directly with business users
• Curious, proactive, and eager to contribute to both legacy stability and modern innovation
• Fluent in English (French is a plus!)

Why You’ll Love Working With Us

• ? A balanced mix of stability and innovation — maintain today, build tomorrow
• ? Real influence in a
  - scale modernization project (. NET 8 & Oracle 19c)

Ready to join a team that keeps systems alive — and evolving?

? Apply now and help us shape the next generation of our core applications.

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Information Technology | IT Services and IT Consulting