Junior Fullstack Engineer (m/f/d)

PAYBACK is unique worldwide in data-based marketing. With the ability to develop digital business models and implement technical trends, we are pioneers of the data economy. The technical solutions for our 31 million customers relating to the PAYBACK program are designed and operated in-house. To this end, we work with the latest technologies and in a cross-functional and agile way.

Would you like to take on responsibility, contribute your ideas around our products and further develop PAYBACK with us? Then you’ve come to the right place.

OF COURSE, we don’t just live diversity. We celebrate it! Will you join us? We look forward to getting to know you.

Your responsibilities:

• Develop, maintain, and enhance features across our web applications and services

• Contribute to all phases of the software development lifecycle, including implementation, testing, deployment, and monitoring

• Debug, troubleshoot, and optimize existing applications and services

• Write clean, maintainable, and testable code following engineering best practices

• Create and maintain automated tests to ensure software quality and reliability

• Participate in code reviews and pair programming sessions to improve code quality and share knowledge

• Collaborate with product managers, designers, and fellow engineers to deliver high-quality solutions

• Support CI/CD pipelines and integrations with APIs, databases, and third-party services

• Take ownership of the services and features you build following a "You Build It, You Run It" mindset

• Continuously learn and contribute ideas for improving our products, processes, and technology stack

Your Profile:

• Degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience

• First professional experience in software development through internships, working student positions, university projects, personal projects, or a junior engineering role

• Experience with C# and the .NET ecosystem

• Basic understanding of frontend technologies such as JavaScript/TypeScript and modern web frameworks

• Familiarity with ASP.NET Core, REST APIs, and modern web application architectures

• Knowledge of relational databases, preferably Microsoft SQL Server

• Understanding of software engineering fundamentals, including testing, debugging, and clean code principles

• Experience with Git and collaborative development workflows

• Exposure to cloud platforms such as Google Cloud Platform (GCP) and/or Microsoft Azure is a plus

• Basic knowledge of containerization and DevOps practices (e.g., Docker, CI/CD, Infrastructure as Code)

• Eagerness to learn across the full stack, including backend, frontend, databases, testing, monitoring, and operations

• Strong communication skills and a collaborative mindset

• Fluent English skills; German is a plus

NICE TO HAVE

• Experience with Microsoft Azure services and/or Google Cloud Platform (GCP)

• Experience with Docker and containerized applications

• Familiarity with Azure DevOps, GitHub Actions, or comparable CI/CD tools

• Knowledge of Entity Framework Core

• Exposure to infrastructure-as-code solutions such as Terraform

• Exposure to messaging, monitoring, and observability tools

• Experience with modern frontend frameworks such as React, Angular, or Vue.js

• Interest in cloud-native architectures and modern software engineering practices

How about?

• Employment contract?Of course. With us you do not have to worry about stable employment.

• Benefits?We have them! Among other: corporate incentive program, sport card, private medical care.

• Lunch card?With the cooperation extended and permanent contract, you will receive additional funds to use for meal purchases.

• Working in a hybrid model?Of course! ! You work with us 2 days a week from home.

• Fancy a workation?At PAYBACK, you can work remotely from European countries for up to 15 days a year.

• ‎Flexible working hours?Sounds great! We start working between 7 to 10.

• Trainings?Of course. We provide training to develop hard and soft skills.

• Convenient location?Sure! We invite you to our new office at Rondo Daszyńskiego, but we are currently also working remotely.

• Dress code?We definitely say no. There are no rigid dress code rules in our company, sneakers are more than welcome.

• Friendly atmosphere at work?Yes! In PAYBACK, people are the most important asset‎.

• ‎Something is missing?Open communication is our priority, so dare to ask!‎

Tech stack

• .Net
• C#
• Microsoft SQL Server
• REST APIs
• ASP.NET Core
• TypeScript
• JavaScript
• GCP
• Git