Job Description:

As a Senior Backend Developer , you'll play a key role in the early development phase of a modern enterprise application. You'll work on designing, implementing, and testing backend services , translating and creating automated tests, and aligning with DevOps practices. This role also involves some front-end contributions (Angular) and Oracle DB handling , offering a full-stack perspective.

Main Responsibilities:

• Deliver backend components using .NET Core ≥8 and C# best practices.

• Design and develop REST APIs and integrate microservices architectures.

• Create and maintain automated unit and component tests using NUnit, Moq, or NSubstitute.

• Translate and implement BDD scenarios using Gherkin and C#.

• Modify and enhance Angular (v17+) UI components and Node.js (v18+) modules.

• Analyze and optimize Oracle SQL/PLSQL queries for performance.

• Align all work with DevOps directives and architecture guidelines.

Tech Stack & Requirements:

A. .NET Core (≥8) with:

• Entity Framework (Code-First)

• Mediator Pattern

• AutoMapper

• NuGet

• Async/Await programming

• NUnit & mocking frameworks (Moq/NSubstitute)

• Legacy migration experience (.NET 4.7.2+) is a bonus

B. WebAPI & ASP.NET MVC
C. REST API design , OAuth2 , SOLID principles
D. Angular ≥17 & Node.js ≥18 (modifications and new UI components)
E. Oracle SQL & PLSQL (read, edit, and assess performance)
F. Selenium & BDD (basic knowledge)

• Gherkin syntax

• Writing/editing BDD tests in C#

Soft Skills & Language:

• English level B2 minimum (able to communicate clearly with the team)

• Proactive attitude and ability to work independently

• Collaborative mindset to work across dev, test, and architecture

About the projects you will work on

You will work 100% remotely from wherever you decide. Sometimes you may have face-to-face meetings and for that reason you have to reside in Spain or in the European Union.

You will work on projects with a leading company in digital transformation with a passion for technology and innovation in sectors such as banking (35 of the main banks worldwide work with our client), insurance, industrial and automotive in Big Data projects, Blockchain, AI , Cloud, among others.

About the client

• Global presence in more than 15 markets
• 8,000+ employees
• more than 35 years of experience

About the process and your contractual relationship

If you are interested in this offer, we will enroll you in the process and submit your application, blindly, that is, without your contact details, to the technical and human resources department so that they can evaluate your profile and your financial expectations.

If the answer is positive, we organize the meetings so that the client knows you and explains the project in detail.

If after the meeting both parties agree on the conditions, you receive a firm offer to work with us or directly be hired by the client.