C# Developer

Coolblue; Rotterdam; On-site; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Discount on all Coolblue products

Travel allowance

Retirement plan

25 leave days

Office near Rotterdam Central

Job summary

Coolblue is looking for a C# Developer to maintain and expand our software portfolio. You’ll work with your team to deliver maintainable, testable code and collaborate on UX and data topics with a Product Owner and Data Scientist.

You’ll contribute to cloud-native microservices in AWS, implement REST/MGraphQL APIs, and participate in sprint demos while mentoring peers and embracing feedback.

Qualifications

• Bachelor's or Master's in Computer Science or comparable field.
• 3+ years (medior) or 6+ years (senior) of C# development experience.
• Good experience with .NET 8.0, Web API or MVC (REST and GraphQL).
• Experience designing and maintaining cloud-native microservices, preferably in AWS.
• Familiarity with Scrum/Agile and object-oriented design.
• Nice-to-have: React frontend, JavaScript, HTML5, CSS, and CI/CD tooling.

Responsibilities

• Maintain and develop products that support the domain with your team.
• Write maintainable, testable, and future-proof code and run automated tests.
• Participate in brainstorm sessions on UX, data, and task flow with the team.
• Mentor colleagues through pair programming and code reviews.
• Present deliverables during sprint demos and monitor software quality with Datadog.
• Push for improvements through ownership of portfolio solutions.

Skills

C# .NET

Software architecture

Scrum/Agile

React

Unit testing / TDD

GitHub

Datadog

TeamCity

English communication

Education

Bachelor's or Master's in Computer Science

Tools

AWS

Datadog

TeamCity

GitHub

RESTful APIs / GraphQL

PostgreSQL/MySQL/Oracle/DynamoDB

Job description

Together with the developers from your team, you design, realize, and maintain the software that brings a smile to the faces of your colleagues and our customers.

What does a C# Developer at Coolblue do?

As a C# Developer, you're responsible for maintaining and developing products that support your domain together with your team. You do this by writing maintainable, testable and future-proof code. You also regularly participate in brainstorm sessions on user experience, data, and task flow with the UX Designer, Product Owner, and Data Scientist in your domain. Want to become a C# Developer at Coolblue? Read below if it suits you.

• Solving problems with the best practices and principles that we've embraced, such as Clean Architecture, TDD/BDD, SOLID, and design patterns.
• Writing automated tests so you know that the quality of your software is on point.
• Working with various types of data storage, such as Oracle, MySQL, and DynamoDB.
• Show ownership over the solutions in the portfolio of your domain by solving challenges in time by logging and monitoring Datadog.
• Sharing knowledge by mentoring, pair programming sessions, and adding constructive comments to pull requests from colleagues in Github.
• Getting space to keep developing and to delve into the latest technologies.
• Giving and receiving constructive feedback.
• Presenting deliverables during sprint demos.

Our Toolkit Is Packed With

• Programming language: C# .NET 8.0
• Data storage: Oracle, MySQL, PostgreSQL en DynamoDB.
• Cloud platform: AWS
• CI/CD: Github en TeamCity
• Logging/Monitoring: Datadog

You recognize yourself in the following

• At least 3+ years (medior) or 6+ years (senior) of experience as a C# developer.
• You have a Bachelor's or Master's degree in Computer Science or a comparable field.
• Good experience with software architecture and building application in .NET 8.0.
• You have experience with Web API or MVC (REST and GraphQL) in .NET.
• Knowledge of designing, setting up, and maintaining cloud-native microservices, preferably in AWS.
• You're very familiar working with Scrum/Agile.
• Experience with front-end development (React), JavaScript, HTML5, and CSS is a plus.
• Being able to automate and implement repetitive tasks in a CI/CD platform. Experience with Teamcity is even better.
• You speak English very well.

This is what you’re looking for in a job

• Money.
• Working together in an international environment with colleagues from the Netherlands, Belgium, Spain, Brazil, Mexico, Italy, and many more.
• An extraordinarily good work environment. Where we interact as friends and you can just be yourself.
• Monthly drinks, freshly prepared snacks, legendary Coolblue parties and the best team activities.
• A fine balance between working at the office and working from home. Of course, we’ll help you create the best home-office possible. Including desk chair, laptop, and blue garlands.
• Plenty of room for your own ideas, initiatives and choices. You do your work your way.
• Travel allowance, a retirement plan and an allowance when you work from home.
• 25 leave days. As long as you promise to come back.
• A picture-perfect office at a great location. You could crawl to work from Rotterdam Central Station. We recommend just walking for 2 minutes, though.
• With over 100 training courses in our own Coolblue University, you become a little better every day.
• A discount on all our products.