C#/.NET Developer Mobile App Team - eMobility (SaaS)

Deftpower; Arnhem; On-site; EUR 54,000 - 72,000; Full time

Benefits offered by this job

€2,000 training budget per year

Choose your own laptop, up to €1,750

Flexible hybrid working

25 vacation days

Pension plan

Job summary

Deftpower is looking for a Backend Developer to design and build services for their mobile app, enhancing how drivers experience charging across Europe. This role involves working with a variety of technologies, including C#/.NET, Azure Functions, and microservices architecture. The position offers a competitive salary between €4,500 and €6,000 a month, along with a flexible hybrid working environment, a €2,000 training budget, and additional benefits like 25 vacation days and a pension scheme.

Qualifications

• 3+ years of professional experience as a Backend Developer.
• Strong knowledge of C#/.NET, microservices architecture, and CI/CD practices.
• Experience with Azure PaaS components such as Service Bus, Function Apps, Container Services, Azure SQL, or CosmosDB.

Responsibilities

• Design and build backend services in C#/.NET using Azure Functions and microservice architecture.
• Build features such as EV routing, push notifications, user preferences, and communication.
• Collaborate closely with mobile developers, QA, and Product to deliver features end to end.

Skills

C#/.NET

Microservices architecture

CI/CD practices

Azure Function Apps

Azure SQL

CosmosDB

Tools

Azure Service Bus

Application Insights

Grafana

PowerBI

Angular

React Native

Job description

About the job

As Backend Developer at Deftpower you build the services behind the Mobile App and shape how drivers experience charging across Europe. You work in a team that moves fast, takes ownership and turns ideas into working features without unnecessary delays.

Responsibilities

• Design and build backend services in C#/.NET using Azure Functions and microservice architecture.
• Build features like EV routing, push notifications, user preferences, ratings and communication.
• Work with Azure Service Bus and Azure SQL to create scalable and reliable systems.
• Monitor and improve performance using tools like Application Insights and Grafana.
• Collaborate closely with mobile developers, QA and Product to deliver features end to end.
• Ship fast, learn quickly and continuously improve what you build.

Team

You join the Mobile App Team, led by Jelte. A mix of mobile developers, backend developers, QA and a Product Owner. The team works in short cycles, ships fast and keeps improving. The team values ownership and direct communication.

Tech Stack

The platform is built in C#/.NET using Azure Functions, Azure Service Bus, Azure SQL and CosmosDB. Monitoring and logging are done with Application Insights, Grafana and PowerBI. The portal uses Angular, the mobile apps React Native.

Benefits

• Salary range: Between €4,500 and €6,000 a month.
• €2,000 training budget per year.
• Choose your own laptop, up to €1,750.
• Flexible hybrid working, short decision lines and high level of trust.
• All conditions such as holiday allowance (25 vacation days), pension, etc.

About you

You are a Backend Developer who likes building things that actually get used. You take ownership, think for yourself and enjoy working in a team that moves fast and gets things done.

Qualifications

• 3+ years of professional experience as a Backend Developer.
• Strong knowledge of C#/.NET, microservices architecture and CI/CD practices.
• Familiarity with Expo or CodePush (nice to have).
• Familiarity with developing mobile apps (nice to have).
• Experience with Azure PaaS components such as Service Bus, Function Apps, Container Services, Azure SQL or CosmosDB.
• You are a match with our values!