Senior .NET Backend

Next | Powered by Aceve; Lisboa; On-site; EUR 40,000 - 70,000; Full time

Benefits offered by this job

Dynamic, international work environment

Professional growth opportunities

Hybrid work model

Job summary

A tech-driven company seeks an experienced Senior .NET Backend Developer to join their Lisbon team, focusing on high-performance backend solutions. The ideal candidate has 5-10 years of .NET experience and expertise in building scalable applications. The role offers a hybrid work model within an international environment that values quality and innovation.

Qualifications

• 5-10 years of professional experience with .NET (6+), C#, WebAPI, Entity Framework, LINQ, and SQL.
• Strong expertise in Database Modeling and Design (PostgreSQL and Microsoft SQL Server).
• Experience with Message Bus frameworks (MassTransit, Saga/RabbitMQ).

Responsibilities

• Develop, maintain, and optimize scalable backend solutions using .NET 6+ and C#.
• Design and implement robust .NET WebAPIs, integrating Entity Framework/Dapper, LINQ, and Raw SQL.
• Collaborate with Product Owners and Developers to deliver end-to-end solutions.

Skills

.NET (6+)

C#

WebAPI

Entity Framework

LINQ

SQL

Agile methodologies

DevOps practices

Problem-solving ability

Fluent English

Education

Bachelor’s degree in Computer Science or related field

Tools

Jira

GitLab

GitHub

Job description

Overview

Join to apply for the Senior .NET Backend role at Next | Powered by Aceve.

Are you passionate about building high-performance backend solutions? Aceve is on a mission to deliver world-class ERP solutions tailored for craftsmen. We’re looking for an experienced .NET 6+ Backend Developer to join our Development Hub in Lisbon. You’ll collaborate closely with our Product and Engineering teams across Sweden, Denmark, Finland, and Norway, contributing to the growth and success of our Group Products.

Aceve is in business to back the builders of society. We are the SaaS powerhouse, built by engineers, developers, salespeople, administrators, marketers, controllers, and much more. With over 500 employees, more than 950 million SEK in revenue and extensive experience in the field, we combine tradition and tech to provide a pioneering platform that helps our customers to achieve more.

Join Aceve and take your expertise to the next level. We are redefining what’s possible in craft and construction solutions!

Aceve is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Our selection process is conducted continuously and without discrimination, ensuring an equal opportunity for all candidates.

What you’ll do

• Develop, maintain, and optimize scalable backend solutions using .NET 6+ and C#, leveraging DDD and Microservices Architecture.
• Design and implement robust and performant .NET WebAPIs, integrating Entity Framework/Dapper, LINQ, and Raw SQL for efficient data handling.
• Write clean, maintainable, and testable code with strong automated unit test coverage (xUnit).
• Produce high-quality technical documentation for reference and reporting.
• Collaborate with Product Owners, Developers, and UX/UI Designers to deliver end-to-end solutions.
• Work within cross-functional teams to integrate DevOps practices into the development lifecycle.
• Use Jira and GitLab for project tracking, version control, and team collaboration.
• Contribute to delivering iterative, high-quality solutions by applying Agile development practices.

Skills & Requirements

• Bachelor’s degree in Computer Science, Computer Engineering, or a related field.
• 5–10 years of professional experience with .NET (6+), C#, WebAPI, Entity Framework, LINQ, and SQL.
• Strong expertise in Database Modeling and Design (PostgreSQL and Microsoft SQL Server).
• Experience with Message Bus frameworks (MassTransit, Saga/RabbitMQ).
• Proven track record in developing and maintaining containerized microservices.
• Proficiency in automated unit testing (xUnit).
• Strong understanding of DevOps practices and CI/CD processes.
• Hands-on experience with Jira, GitLab, GitHub.
• Excellent collaboration skills and familiarity with Agile methodologies.
• Strong problem-solving ability and clear, effective communication skills.
• Fluent in spoken and written English.

Why join Aceve?

• Work in a dynamic, international environment
• Contribute to a product that is transforming the Craftsmen’s ERP industry
• Hybrid work model: balance flexibility and collaboration
• Be part of a team that values quality, innovation, and professional growth

Not ticking every box? No worries! We value potential and drive, so apply anyway or connect with us—you might be just what we’re looking for in our growing organisation!

Aceve is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Our selection process is conducted continuously and without discrimination, ensuring an equal opportunity for all candidates.

Seniority level

• Not Applicable

Employment type

• Other

Job function

• Information Technology

Industries

• IT Services and IT Consulting

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