Senior Software Engineer - Java & PHP (w/m/d)

Your Mission

Ratepay is a dynamic and innovative fintech company dedicated to revolutionizing payment solutions in the online retail sector. We empower e-commerce businesses with flexible and secure payment options, allowing them to optimize their revenue streams. As a Senior Software Engineer (PHP/Java) at Ratepay, you will play a crucial role in our mission to streamline and enhance our payment processing systems.

You will be part of the Buyer Experience (BUX) product development team, which is responsible for direct communication with buyers via email, post, and web portals. This team also provides critical tools for our customer service center and merchant partners. BUX is the only product area at Ratepay that interacts directly with buyers, defining our external image with millions of monthly contacts. As such, we are the competence center for customer service, customer-facing solutions, and front-end technology.

We are looking for an experienced software engineer with strong expertise in PHP and Java, deep knowledge of RESTful APIs, microservices, and event-driven architecture, and a passion for delivering high-quality, scalable solutions. In this role, you will take full ownership of the software development lifecycle, from concept to deployment.

Key Responsibilities:

• Develop, operate, and continuously improve our products, ensuring robust and scalable solutions.
• Take a leading role in the refactoring of our Customer Service (CS) platform, transitioning from PHP to Java-based architecture.
• Bring your expertise in PHP and Java to drive technical innovation and mentor fellow engineers.
• Champion best practices in software development, ensuring clean, maintainable, and efficient code.
• Foster a DevOps mindset and take ownership of solutions in an AWS environment ("you build it, you run it").
• Design and implement new features and services, optimizing system performance and user experience.
• Be a key knowledge carrier for PHP while actively supporting our shift to Java.
• Collaborate with cross-functional teams to increase the technical excellence of our engineering culture.

Your Profile:

• 7+ years of experience in software engineering, with strong proficiency in backend development.
• Professional experience in Java development, particularly with Spring/Spring Boot.
• Professional experience in PHP development, particularly with Laravel.
• Hands-on experience with Git, Docker, and PostgreSQL.
• Strong conceptual knowledge of RESTful APIs, microservices, and event-driven architecture.
• Experience with full software lifecycle development and a DevOps mindset.
• Excellent problem-solving skills and a proactive approach to technical challenges.
• Strong communication and collaboration skills, aligned with Ratepay’s values of ownership and teamwork.

Preferred Qualifications:

• First experience in Kotlin would be a plus.
• First experience with Kafka would be great.
• Experience on JS frameworks like Vue.js would be beneficial.

Equal Opportunities & Diversity:

We value our diversity and welcome everyone to our team. Regardless of ethnic and social background, religious beliefs, worldview, gender, sexual orientation, physical and mental limitations, age, marital status, educational background and nationality.
With over 200 employees and 40 different nationalities, we take our values seriously. These include ownership, growth, integrity, collaboration, customer centricity and inclusion.