Senior Software Engineer (.Net)

Hastee; Barcelona; Presencial; EUR 45.000 - 80.000; Jornada completa

Descripción de la vacante

Join a fast-growing fintech startup that values innovation and quality. As a backend architect, you will develop scalable services using .NET 8 and C#, ensuring high availability and performance. Your expertise in microservices architecture and event-driven systems will be crucial as you design RESTful APIs and mentor fellow developers. This role offers a flexible work environment, allowing you to collaborate with a diverse team on impactful products that enhance financial wellbeing. Embrace the opportunity to work with cutting-edge technologies and contribute to a supportive engineering culture.

Servicios

Flexible work environment

Opportunity to work with cutting-edge technologies

Strong engineering culture

Supportive and diverse team

Focus on growth and learning

Formación

• 5 years of backend development experience using C# and .NET.
• Strong understanding of microservices and event-driven systems.

Responsabilidades

• Develop and maintain scalable backend services focusing on performance.
• Provide technical leadership and mentorship to other developers.

Conocimientos

C#

.NET 8

Microservices Architecture

Domain-Driven Design (DDD)

RESTful API Design

SQL

Event-Driven Systems

Asynchronous Messaging

Communication Skills

Agile Methodologies

Herramientas

AWS

Spring

React

C / C++

Java

Descripción del empleo

Architect develop and maintain scalable backend services using .NET 8 and C# with a focus on high availability and performance.

Design and implement domain-driven design (DDD) principles including aggregates, value objects, and domain events in complex business processes.

Implement event-driven architectures using patterns such as Outbox with CDC and SAGA for distributed transactions.

Develop and maintain RESTful APIs and microservices, ensuring best practices in API design and security.

Provide technical leadership and mentorship to other developers, supporting their growth and improving overall code quality.

Develop internal tools and libraries to improve development workflows and efficiency.

Ensure best practices in software engineering, including unit testing, integration testing, and performance optimization.

Work in an agile environment, actively participating in code reviews, standups, and retrospectives.

Qualifications:

• 5 years of experience in backend development using C# and .NET Core / .NET 8.
• Strong understanding of microservices architecture and event-driven systems.
• Experience with Domain-Driven Design (DDD) and event sourcing.
• Deep knowledge of RESTful API design, authentication, and security best practices.
• Hands-on experience with asynchronous messaging and event-driven processing.
• Strong knowledge of SQL.
• Strong communication skills and ability to collaborate in a remote-first environment.
• Good command of English.

Additional Information:

Why Join Us:

• Flexible work environment (hybrid or fully remote in the EU).
• Opportunity to work with cutting-edge technologies in a fast-growing fintech startup.
• Strong engineering culture focused on quality, scalability, and innovation.
• A supportive, diverse, and dynamic team that values growth and learning.
• Work on a product that makes a real social impact on financial wellbeing.

Remote Work: Employment Type:

Key Skills:

Spring, .NET, C / C++, Go, React, OOP, C#, AWS, Data Structures, Software Development, Java, Distributed Systems