Closer Consulting
Desenvolvedor de back end
Closer ConsultingPortugal16 hours ago
Full-timeRemote FriendlyInformation Technology

Mutual Respect, Empathy, Innovation, and Professional Pride. Do you see yourself within these values?


Founded in 2006 with the mission "To Challenge Complexity", Closer Consulting is a Data Science company specializing in Business Intelligence, Advanced Analytics, and Artificial Intelligence.

Developing projects in the most diverse industries – Banking, Telecommunications, Healthcare, Retail, Energy, Insurance, and Aviation, among others –, we have created an environment where the brightest enquiring minds feel at home, providing our people with the means, opportunities and support they need to thrive and innovate.


We are seeking a skilled Backend Developer to take on new challenges in a hybrid work model in Lisbon.


Are you the one?


We believe we are the ones to, by:


🚀 Key Responsibilities

  • Maintain and support legacy .NET applications (Framework 4.0 and 4.8).
  • Contribute to the technological refresh toward .NET 8 using Clean Architecture principles.
  • Work closely with business stakeholders to clarify requirements, resolve functional issues, and ensure smooth communication between technical and non-technical teams.
  • Support and contribute to the ongoing Oracle migration (12c → 19c).
  • Design, optimize, and maintain SQL queries and database structures (SQL Server 16).
  • Ensure stability, reliability, and continuous improvement of existing systems.

🛠️ Technical Requirements

  • Strong experience with .NET Framework (4.x) and solid understanding of modern .NET 8 concepts (or strong motivation to upgrade skills).
  • Strong database background, including:
  • Data modeling
  • Table design
  • Normalization principles
  • Solid experience with Oracle (especially relevant).
  • Experience with SQL Server (version 16).


If you believe in this match as much as we do, send us your CV to [email protected] and reach the closer side of life.


Closer is a company that values diversity and inclusion. We are committed to fostering an environment where everyone is treated with dignity and respect, regardless of race, gender, beliefs, sexual orientation, physical or mental disability, or other personal characteristics.


At Closer, we embrace the unique perspectives and experiences that everyone brings, and we believe that it is a fundamental driver for the success we've achieved.

Key Skills

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